106 Networking Professionals jobs in Chennai
SONiC Networking Manager
Posted 1 day ago
Job Viewed
Job Description
Remote Position: No
Region: Asia
Country: India
State/Province: Chennai
City: Guindy, Chennai
**General Overview**
**Job Title:** Manager, Software Engineering 2
**Functional Area:** Engineering (ENG)
**Career Stream:** Design - Software Engineering
**Role:** Manager (MG2)
**Job Code:** MG2-ENG-DSE
**Direct/Indirect Indicator:** Indirect
**Summary**
We are looking for a highly experienced Engineering Manager to lead our SDK and NOS development team in Chennai. This role requires a strong technical background in networking and a proven ability to lead and mentor a team. You will be responsible for managing the entire software development lifecycle, from platform bring-up to the sustenance of our Network Operating System. The ideal candidate will have expertise in network protocols, ASIC integration, and software management practices. With 10 to 15 years of experience.
**Detailed Description**
+ **Team Leadership & Management:** Lead, mentor, and manage a team of engineers working on the Network Operating Software (NOS) and SDK. This includes managing both full-time and contract employees.
+ **Platform & System Development:** Oversee the bring-up of our NOS on new hardware platforms, including the development of Linux device drivers.
+ **Networking Stack Expertise:** Provide technical guidance and leadership in the development and maintenance of the networking stack. This includes **Layer 2 (L2), Layer 3 (L3) protocols** (such as **OSPF** and **BGP** ), **MPLS** , **VXLAN** , **QoS** , and **ACLs** .
+ **Management & Control Plane:** Drive the development of management interfaces using protocols such as **SNMP** , **NETCONF/YANG** , **REST** , **CLI** , **gNMI** , and **gRPC** .
+ **ASIC/NPU Integration:** Guide the team in developing software for **Broadcom's XGS/DNX** and **Marvell's Innovium/Prestera** family of devices.
+ **Release Management:** Oversee the entire release process, from planning to deployment, ensuring high-quality and timely delivery of software.
+ **Cross-Functional Collaboration:** Act as a key liaison between your team, other functional teams, vendors, and customer-facing organizations.
**Knowledge/Skills/Competencies**
+ **Experience:** Proven experience in a managerial role within a networking software or NOS development environment is an added advantage. However Engineers keen to move from Tech lead to Manager can also be considered.
+ **Technical Acumen:**
+ Deep understanding of networking protocols (L2/L3, MPLS, VXLAN).
+ Hands-on experience with platform bring-up and Linux device drivers.
+ Familiarity with network management protocols (NETCONF/YANG, gNMI).
+ **ASIC/NPU Knowledge:** Strong working experience with **Broadcom** and **Marvell** ASICs.
+ **Programming Languages:** Solid experience with **C** , **C++** , **Python** , and **GoLang** .
+ **NOS Experience:** Prior experience in NOS development or sustenance is essential. Experience with **SONiC NOS** is a significant advantage.
+ **Leadership Skills:**
+ Strong team-building and management abilities.
+ Excellent interpersonal and communication skills.
+ Ability to manage external contractors and inter-work effectively with diverse teams.
**Physical Demands**
+ Duties of this position are performed in a normal office environment.
+ Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data.
+ Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.
+ Occasional travel may be required.
**Typical Experience**
+ 10 to 15 years
**Typical Education**
Bachelor degree or consideration of an equivalent combination of education and experience.
Educational Requirements may vary by Geography
**Notes**
This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.
Celestica is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on any protected status (including race, religion, national origin, gender, sexual orientation, age, marital status, veteran or disability status or other characteristics protected by law).
At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Special arrangements can be made for candidates who need it throughout the hiring process. Please indicate your needs and we will work with you to meet them.
**COMPANY OVERVIEW:**
Celestica (NYSE, TSX: CLS) enables the world's best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development - from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers.
Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.
SONiC Networking SW Developer
Posted 1 day ago
Job Viewed
Job Description
Remote Position: No
Region: Asia
Country: India
State/Province: Chennai
City: Guindy, Chennai
**General Overview**
**Functional Area:** Engineering
**Career Stream:** Design - Software Engineering
**SAP Short Name:** LEN-ENG-DSE
**Job Level:** Level 08
**IC/MGR:** Individual Contributor
**Direct/Indirect Indicator:** Indirect
**Summary**
The Lead Engineer, Software develops, debugs, tests, deploys and supports software deployed in Network switch and Storage products used in Data Center, Enterprise and Campus environments. They write, debug, maintain, and test software in C, C++, Python at various levels in the hierarchy (from Firmware to Application). Software creation follows a standard development process (such as Agile, Scrum, etc.) and complies with the product life cycle development (phase/gate deliverables).
The Lead Engineer, Software works in cross functional teams with other designers, customers, manufacturing engineering and project leadership to ensure robust and high quality product development. Enhance designs with feedback from reviews in areas such as manufacturing, test, supply chain, reliability, industrial design and simulations.
**Knowledge/Skills/Competencies**
+ Strong knowledge of C, C++, Python programming languages
+ Strong knowledge of Linux (especially device drivers), SONiC network operating systems
+ Strong knowledge of SONiC platform drivers, SAI is highly desirable
+ Strong knowledge of optical modules, DAC/AOC cables, CMIS specification is highly desirable
+ Previous experience working on network switch products based on Broadcom switch SoCs (Tomahawk, Trident, Jericho) and Marvell switch (AlleyCat) SoCs
+ Good knowledge of networking protocols used in Data Center and Campus topologies
+ Good understanding of networking hardware architecture and concepts
+ In-depth knowledge and understanding of the software design/development process
+ Ability to gather, analyze, evaluate, diagnose and troubleshoot problems
+ Ability to simultaneously manage several projects and coordinate multiple, changing deadlines
+ Ability to effectively communicate with a wide variety of internal and external stakeholders
+ Ability to work with minimal supervision is highly desired
**Physical Demands**
+ Duties of this position are performed in a normal office environment.
+ Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data.
+ Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.
+ Occasional travel may be required.
**Typical Experience**
+ More than 8 years of relevant industry experience
**Typical Education**
+ Bachelor degree in Computer Science is required, Masters in Computer Science is preferred
+ CCNP/CCNA R&S (or equivalent certification) is highly desirable
**Notes**
This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.
Celestica is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on any protected status (including race, religion, national origin, gender, sexual orientation, age, marital status, veteran or disability status or other characteristics protected by law).
At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Special arrangements can be made for candidates who need it throughout the hiring process. Please indicate your needs and we will work with you to meet them.
**COMPANY OVERVIEW:**
Celestica (NYSE, TSX: CLS) enables the world's best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development - from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers.
Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.
Networking & Telecommunications Software Engineer
Posted 1 day ago
Job Viewed
Job Description
Location: Chennai, India (In-office)
Department: Engineering – Telecommunications
About Lynk
InCommon is hiring on behalf of Lynk , the pioneer of satellite direct-to-device (D2D) technology and the first company licensed by the FCC to operate a space-based cellular network.
Lynk enables standard, unmodified phones to connect directly to satellites — tested across all seven continents and approved in 30+ countries. With 40+ operator partnerships, Lynk is scaling globally to connect every person, everywhere.
Role Overview
As a Networking & Telecommunications Software Engineer at Lynk, you’ll design and build the software backbone for the world’s first space-based mobile network. You’ll work across GSM, LTE, and 5G technologies, developing network protocols, implementing core telecom functions, and integrating software-defined radios within a distributed system.
Key Responsibilities
- Design and implement network protocols and software for signaling, O&M, and testing.
- Develop and integrate telecom systems using C/C++, Python, and Linux IPC mechanisms.
- Build and optimize protocol stacks and network applications across GSM/LTE/5G.
- Conduct unit, integration, and system testing (e.g., Google Test).
- Profile, benchmark, and tune system performance.
Required Qualifications
- Bachelor’s degree in Computer Science, Telecommunications, or related field.
- Strong grasp of networking and telecom protocols (TCP/IP, GSM, LTE, 5G).
- Proficiency in C/C++ or Python with solid OOP skills.
- Experience developing or testing protocol stacks, signaling, or core network applications.
- Familiarity with Linux, socket programming, and multithreading.
- Understanding of 3GPP systems (MME, HLR, HSS, eNodeB, gNB).
Preferred Qualifications
- Experience with GSM/LTE/5G system integration and deployment.
- Knowledge of SIGTRAN, Diameter, SIP, or related signaling protocols.
- Exposure to NFV, Docker/Kubernetes, or cloud platforms (AWS, GCP, Azure).
- Hands-on with SDRs, RF testing, or Wireshark/tcpdump.
- Strong debugging and performance tuning skills.
Soft Skills
- Problem-solving mindset with attention to detail.
- Collaborative and adaptable in fast-paced environments.
- Clear, concise communicator.
Senior Lead- Networking & Datacebtre
Posted 3 days ago
Job Viewed
Job Description
- Responsible for all aspects of engineering activities and personnel within the Global IP & MPLS Engineering Centre related to WIFI, LAN & NAC service development activities with the objective of providing efficient, cost effective and differentiated network services and solution offered to customers and ensuring all engineering projects, initiatives, and processes under purview are in conformance with organization's policies, procedures, budgets, and objectives. Also responsible for product evaluation, solution designing and testing and roll out plan for existing and new services, including design of tools needed for operation of these new services and systems for performance and capacity management.
- Evaluate vendors for outsourcing requirements. May lead important projects as a team leader or individual contributor that require providing experienced project team members with instruction, guidance and advice in all aspects of the project to ensure delivery of quality outcomes. Responsible to lead/manage small teams for small projects.
- Capable of identifying key issues and priorities and focusing on these to deliver required results with minimal direction and supervision.
- Support the delivery & operation teams in new product implementations and troubleshooting the unique problems and ensure to train the teams with necessary knowledge to handle independently.
- Discuss requirements with Product groups, in conjunction with Sales teams, for complex requirements and provide inputs around feasibility of solution and solution alternatives. Mandatory Technical Skills Experience in Network Designing, Solutioning, Transformation, Engineering functions.
- Hands on experience in handling multi-vendor products and network gears like routers, switches, firewall, wireless controllers, access points, etc.
- Good knowledge on various OEMs SDN/SD-LAN/SD-Branch platforms & solutions. Good knowledge & Experience working in On-premise & Cloud managed WIFI platforms like Cisco Classic, Cisco Meraki, Juniper Mist, HPE Aruba, Fortinet etc.
- Good knowledge & Experience working in Cisco SD-Access solutions including DNAC, ISE, Fabric. Hands on experience and architecting experience in Network Access Control (NAC) products like Cisco ISE, Aruba ClearPass, Forescout, FortiNAC etc. (Worked as an SME for atleast one product)
- Knowledge on Data center technologies like ACI will be preferred Experience in Cisco Nexus switching and technologies around that is needed. Preferred Technical Skills Cloud architecture knowledge such as Azure, AWS, GCP will be added advantage. Routing protocols knowledge expected - BGP, OSPF Switching - Enterprise and Data Center switching technologies. Knowledge on QOS, Multicast in Enterprise and ISP networks. MPLS and VPN technologies (L3/L2 VPN) understanding is good to have.
- Experience in handling/integration of network monitoring tools such as Solarwinds, Manage Engine, Zabbix, etc with ITSM services (Incident, Change, Problem Management, etc) for auto ticketing. Knowledge on automation tools/technologies such as Python, API, etc.
Networking Managed Services Engineer (L2)
Posted 1 day ago
Job Viewed
Job Description
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it's a place where you can grow, belong and thrive.
**Your day at NTT DATA**
The Networking Managed Services Engineer (L2) is a developing engineering role, responsible for providing a managed service to clients to ensure that their IT infrastructure and systems remain operational through proactively monitoring, identifying, investigating, and resolving technical incidents and problems and restoring service to clients.
The primary objective of this role is to proactively review client requests or tickets and apply technical/process knowledge to resolve them without breaching service level agreement (SLA) and focuses on second-line support for incidents and requests with a medium level of complexity.
The Networking Managed Services Engineer (L2) may also contribute to / support on project work as and when required.
**What you'll be doing**
**Key Responsibilities:**
+ Proactively monitors the work queues.
+ Performs operational tasks to resolve all incidents/requests in a timely manner and within the agreed SLA.
+ Updates tickets with resolution tasks performed.
+ Identifies, investigates, analyzes issues and errors prior to or when they occur, and log all such incidents in a timely manner.
+ Captures all required and relevant information for immediate resolution.
+ Provides second level support to all incidents, requests and identifies the root cause of incidents and problems.
+ Communicates with other teams and clients for extending support.
+ Executes changes with clear identification of risks and mitigation plans to be captured into the change record.
+ Follows the shift handover process highlighting any key tickets to be focused on along with a handover of upcoming critical tasks to be carried out in the next shift.
+ Escalates all tickets to seek the right focus from CoE and other teams, if needed continue the escalations to management.
+ Works with automation teams for effort optimization and automating routine tasks.
+ Coaches Service Desk and L1 teams for technical and behavioural skills.
+ Establishes monitoring for client infrastructure.
+ Identifies problems and errors before they impact a client's service.
+ Leads and manages all initial client escalation for operational issues.
+ Contributes to the change management process by logging all change requests with complete details for standard and non-standard including patching and any other changes to Configuration Items.
+ Ensures all changes are carried out with proper change approvals.
+ Plans and executes approved maintenance activities.
+ Audits and analyses incident and request tickets for quality and recommends improvements with updates to knowledge articles.
+ Produces trend analysis reports for identifying tasks for automation, leading to a reduction in tickets and optimization of effort.
+ May also contribute to / support on project work as and when required.
+ May work on implementing and delivering Disaster Recovery functions and tests.
+ Performs any other related task as required.
**Knowledge and Attributes:**
+ Ability to communicate and work across different cultures and social groups.
+ Ability to plan activities and projects well in advance, and takes into account possible changing circumstances.
+ Ability to maintain a positive outlook at work.
+ Ability to work well in a pressurized environment.
+ Ability to work hard and put in longer hours when it is necessary.
+ Ability to apply active listening techniques such as paraphrasing the message to confirm understanding, probing for further relevant information, and refraining from interrupting.
+ Ability to adapt to changing circumstances.
+ Ability to place clients at the forefront of all interactions, understanding their requirements, and creating a positive client experience throughout the total client journey.
+ Additional skills proficiency such as (but not limited to) -
+ Pulse Secure SSL VPN / Virtual Juniper, Palo Alto, Fortinet Firewalls / Cisco Nexus switches, ASR and ISR routers / Cisco ACS, ISE / Meraki switches and access points / Enterprise network architecture / Common routing protocols: BGP,OSPF, EIGRP / Network address translation / Configuring, monitoring and troubleshooting uplinks to ISPs for DIA, MPLS and P2P circuits / Familiarity with common network management and monitoring tools such as SecureCRT, Logic Monitor
**Academic Qualifications and Certifications:**
+ Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience).
+ CCNP or equivalent certification.
+ Certifications relevant to the services provided (certifications carry additional weightage on a candidate's qualification for the role).
**Required Experience:**
+ Moderate level of relevant managed services experience.
+ Moderate level knowledge in ticketing tools preferably Service Now.
**Workplace type** **:**
On-site Working
**About NTT DATA**
NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo.
**Equal Opportunity Employer**
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.
Network Engineer
Posted 1 day ago
Job Viewed
Job Description
Remote Position: No
Region: Asia
Country: India
State/Province: Chennai
City: Guindy, Chennai
**General Overview**
Functional Area: Information Technology (ITM)
Career Stream: IT Infrastructure (INFR)
Role: Specialist (SPE)
Job Title: Specialist, IT Infrastructure
Job Code: SPE-ITM-INFR
Job Level: Level 08
Direct/Indirect Indicator: Indirect
**Summary**
The Specialist IT Infrastructure will install, maintain, upgrade, and continuously improve the site's network operating environment, ensuring the ongoing reliability, performance and security of the infrastructure. This includes monitoring and up keeping the network operating environments; responding to incidents & problems, planning for growth, deployment of new technologies as well as design, install, configure, maintain and perform testing of Network Operating systems (IOS, Firmware, and Software), networks, and related utilities and hardware. The successful candidate will manage and maintain network devices on the customer premises and will be expected to work to several key performance indicators: SLA targets, capacity management and customer visits/communications.
**Detailed Description**
+ Provide technical support and perform maintenance
+ Install, maintain and configure network hardware and equipment, routers, switches, wireless access point (ARUBA Access points), and SDWAN devices(Aruba Silverpeak or Viptela or any other SDWAN).
+ Manage, monitor, and support various network devices (Cisco, Open source Network device, Aruba SDWAN, Wireless, firewalls and NAC)
+ Documenting processes and monitoring network performance metrics.
+ Explore new solutions, enhancements and opportunities for continuous improvement, projects and more
+ Perform the acquisition, provisioning and decommissioning of related equipment, software and services
+ Formally document change requests and manage the changes
+ Manage external service providers
+ Foster and develop a trusting relationship with the customer as well as internal resources, and be the customer advocate
**Knowledge/Skills/Competencies**
+ Strong customer service orientation
+ Strong analytical, troubleshooting and problem solving skills.
+ Ability to communicate confidently and directly with executive stakeholders as well as end-client technical teams.
+ Good leadership and teamwork skills.
+ Negotiation and conflict resolution skills.
+ Good ability to plan projects and tasks.
+ Good understanding of IT requirements for an end to end solution, including security, business continuity, disaster recovery, risk analysis and prepare business case
+ Strong knowledge of networking concepts (OSI Layers, TCP/IP, VLAN, VxLAN, VPN, IPSec, GRE, LAN, WAN, 802.1x, VTP, Spanning-Tree, IP routing, BGP, OSPF, EIGRP, QoS, Trunking, and SDWAN)
+ Advanced knowledge of infrastructure service management & diagnostic tools and processes
+ Hands-on-experience on Monitoring tools such as Solarwinds, Netscout, Dorada Cruz
+ Understanding of IT Infrastructure asset lifecycle management
+ Extensive experience in the design of local area and wide area networks. Complexity of projects ranges from simple projects with minimal risks/ uncertainty to medium level projects with some high impact risks and multiple project variables with uncertainty.
+ Excellent understanding of IP, MPLS, WAN, Ethernet, Wireless networking technologies.
+ Experience with data Centre design, security principles, computing infrastructure.
+ Engaged by the unknowns of implementing emergent technologies and industry standards.
+ Experience with Cisco 6500, 2960x, 9300, 9500 and Nexus 5000, 7K, 9K is highly desired.
+ Excellent understanding of IP addressing, and subnetting
+ Excellent understanding of Software Defined WAN (SDWAN)
+ Excellent understanding of VLAN, Trunking, 802.1q, Spanning-Tree, VTP, and Prevention of Network Looping
+ Excellent understanding of Network routing protocols, such as OSPF, EIGRP, BGP and IS-IS
+ Excellent understanding of Network Access Control (NAC) that includes 802.1x and MAB utilizing an external Radius server (Aruba ClearPass, Cisco ISE)
+ Managing IP address, IP subnet blocks, and resolving IP conflicts issues.
+ Must have experience working in an enterprise Datacenter environment.
+ Cloud migration experience is preferred.
+ Technical competencies include: Cisco network devices, Cisco Works, Cisco Switching expertise, network security, routing protocols and configurations, understanding of the VPN infrastructure, identify and close network security issues, understanding of MPLS infrastructure, managed solutions, in-depth knowledge of key vendor solutions
+ Exposure to OPEN Source Networking, Monitoring, and Automation
+ Experience with Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) Zero Touch Network Access.
**Physical Demands**
+ Duties of this position are performed in a normal office environment.
+ Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data. Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.
**Typical Experience**
+ 4 to 6 years of related experience. Experience in similar job roles such as the design of local area and wide area networks.
+ 2 to 4 years experience in a similar technical analyst/ network specialist role supporting Cisco equipment and software
+ Experience on IP networks and Cisco Networking Products
+ Extensive experience with Inter-Network Operating Systems such as Cisco, Aruba, CheckPoint, and Open Source Network Operating System.
**Typical Education**
+ Bachelor's Degree in Computer Science or related field
+ Cisco Certified Network Associate (CCNA)
+ Microsoft Certified System Engineer (MCSE)
+ Cisco Certified Network Professional (CCNP)
**Notes**
This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.
Celestica is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on any protected status (including race, religion, national origin, gender, sexual orientation, age, marital status, veteran or disability status or other characteristics protected by law).
At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Special arrangements can be made for candidates who need it throughout the hiring process. Please indicate your needs and we will work with you to meet them.
**COMPANY OVERVIEW:**
Celestica (NYSE, TSX: CLS) enables the world's best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development - from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers.
Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.
Network Engineer
Posted 3 days ago
Job Viewed
Job Description
Tata Consultancy Services is Hiring for Network - Cisco/Aurba WIFI
Experience: 8- 12 Yrs
Location: Gurgaon/Chennai
Must-Have
- Co-ordinating with ISP’s Vendors for the link down/related issues
- Detect and respond to incidents proactively, with clear escalation procedures and communication channels.
- Deliver regular reports on network performance, including bandwidth utilization, latency, uptime, and availability metrics, with actionable insights for network optimization.
SD WAN
- Manage private links ensuring high-performance WAN links that connects remote sites with redundancy and failover solutions.
- Manage SD-WAN solutions, enabling dynamic routing and bandwidth optimization across regions.
- Provide mechanisms to minimize jitter, latency and packet loss, ensuring an optimal user experience for global collaboration tools.
Branch Network WAN
- Manage WAN links connecting all branches ensuring redundancy and high availability for office locations and retail outlets across the country.
- Ensure stable and secure network connections for all branch offices and locations, with real-time monitoring and troubleshooting.
- L2 Network Troubleshooting, capacity trend/problem identification, patching, configuration management
LAN/Wi-Fi
- Full lifecycle management of LAN, including switch configuration, monitoring, and troubleshooting.
- Manage the Wi-Fi network, ensuring coverage, security, and performance for both office and remote locations.
- Provide secure, segregated guest Wi-Fi access with appropriate bandwidth controls.
Audit Participation and Documentation
- Participate in all audits requested by the customer, including filling in required forms and collecting relevant data.
- Ensure timely and accurate submission of all requested audit materials.
- Complete all audit questionnaires and related documents as required by the customer, ensuring thoroughness and compliance with the scope of the service provided.
Provide supporting evidence, as needed.
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Network Engineer
Posted 3 days ago
Job Viewed
Job Description
Summary
The Specialist IT Infrastructure will install, maintain, upgrade, and continuously improve the site's networkoperating environment, ensuring the ongoing reliability, performance and security of the infrastructure. Thisincludes monitoring and up keeping the network operating environments; responding to incidents & problems,planning for growth, deployment of new technologies as well as design, install, configure, maintain andperform testing of Network Operating systems (IOS, Firmware, and Software), networks, and related utilitiesand hardware. The successful candidate will manage and maintain network devices on the customer premisesand will be expected to work to several key performance indicators: SLA targets, capacity management andcustomer visits/communications.
Detailed Description
Provide technical support and perform maintenance
Install, maintain and configure network hardware and equipment, routers, switches, wireless access point(ARUBA Access points), and SDWAN devices(Aruba Silverpeak or Viptela or any other SDWAN).
Manage, monitor, and support various network devices (Cisco, Open source Network device, Aruba SDWAN,Wireless, firewalls and NAC)
Documenting processes and monitoring network performance metrics.
Explore new solutions, enhancements and opportunities for continuous improvement, projects and more
Perform the acquisition, provisioning and decommissioning of related equipment, software and services
Formally document change requests and manage the changes
Manage external service providers
Foster and develop a trusting relationship with the customer as well as internal resources, and be thecustomer advocate
Knowledge/Skills/Competencies
Strong customer service orientation
Strong analytical, troubleshooting and problem solving skills.
Ability to communicate confidently and directly with executive stakeholders as well as end-client technicalteams.
Good leadership and teamwork skills.
Negotiation and conflict resolution skills.
Good ability to plan projects and tasks.
Good understanding of IT requirements for an end to end solution, including security, business continuity,disaster recovery, risk analysis and prepare business case
Job Description:
Strong knowledge of networking concepts (OSI Layers, TCP/IP, VLAN, VxLAN, VPN, IPSec, GRE, LAN, WAN,802.1x, VTP, Spanning-Tree, IP routing, BGP, OSPF, EIGRP, QoS, Trunking, and SDWAN)
Advanced knowledge of infrastructure service management & diagnostic tools and processes
Hands-on-experience on Monitoring tools such as Solarwinds, Netscout, Dorada Cruz
Understanding of IT Infrastructure asset lifecycle management
Extensive experience in the design of local area and wide area networks. Complexity of projects ranges fromsimple projects with minimal risks/ uncertainty to medium level projects with some high impact risks andmultiple project variables with uncertainty.
Excellent understanding of IP, MPLS, WAN, Ethernet, Wireless networking technologies.
Experience with data Centre design, security principles, computing infrastructure.
Engaged by the unknowns of implementing emergent technologies and industry standards.
Experience with Cisco 6500, 2960x, 9300, 9500 and Nexus 5000, 7K, 9K is highly desired.
Excellent understanding of IP addressing, and subnetting
Excellent understanding of Software Defined WAN (SDWAN)
Excellent understanding of VLAN, Trunking, 802.1q, Spanning-Tree, VTP, and Prevention of NetworkLooping
Excellent understanding of Network routing protocols, such as OSPF, EIGRP, BGP and IS-IS
Excellent understanding of Network Access Control (NAC) that includes 802.1x and MAB utilizing anexternal Radius server (Aruba ClearPass, Cisco ISE)
Managing IP address, IP subnet blocks, and resolving IP conflicts issues.
Must have experience working in an enterprise Datacenter environment.
Cloud migration experience is preferred.
Technical competencies include: Cisco network devices, Cisco Works, Cisco Switching expertise, networksecurity, routing protocols and configurations, understanding of the VPN infrastructure, identify and closenetwork security issues, understanding of MPLS infrastructure, managed solutions, in-depth knowledge ofkey vendor solutions
Exposure to OPEN Source Networking, Monitoring, and Automation
Experience with Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) Zero Touch Network Access.
Physical Demands
Duties of this position are performed in a normal office environment.
Duties may require extended periods of sitting and sustained visual concentration on a computer monitor oron numbers and other detailed data. Repetitive manual movements (e.g., data entry, using a computermouse, using a calculator, etc.) are frequently required.
Typical Experience
6 to 10 years of related experience. Experience in similar job roles such as the design of local area and widearea networks.
2 to 4 years experience in a similar technical analyst/ network specialist role supporting Cisco equipmentand software
Experience on IP networks and Cisco Networking Products
Extensive experience with Inter-Network Operating Systems such as Cisco, Aruba, CheckPoint, and OpenSource Network Operating System.
Typical Education
Bachelor's Degree in Computer Science or related field
Cisco Certified Network Associate (CCNA)
Microsoft Certified System Engineer (MCSE)
Cisco Certified Network Professional (CCNP)
Network Engineer
Posted 3 days ago
Job Viewed
Job Description
Greetings from TCS!
**TCS is Hiring for Network Engineer(WAN technology)**
Role: Network Engineer
Desired Experience: 3- 6 Years
Job Location: Chennai
Job Description:
- Strong exposure in Cisco SDWAN design and deployments
- Expertise on Cisco DNA
- Deploying Unified communications capabilities in Cisco SD-WAN
- Exposure on Cisco SD-WAN Cloud OnRamp for IaaS, PaaS, and SaaS applications
- Sec. skill : Cisco Routing /Switching, Firewalls administration etc.
Network Engineer
Posted 3 days ago
Job Viewed
Job Description
Tcs is hiring for Network - Cisco/Aurba WIFI
EXP - 8 to12 yrs
Location - Chennai
Role
Network Engineer
Required Technical Skill Set
LAN, WI-FI, Cisco SDWAN, Routing, Switching, Cisco WLC, Cisco ISE, Cisco DNAC, Aruba Controller & Clear pass
Certification Recommended
Cisco Certified Network Professional (CCNP)
Cisco Certified Specialist - Enterprise Core
Cisco Certified Specialist - Enterprise SD-WAN
- Co-ordinating with ISP’s Vendors for the link down/related issues
- Detect and respond to incidents proactively, with clear escalation procedures and communication channels.
- Deliver regular reports on network performance, including bandwidth utilization, latency, uptime, and availability metrics, with actionable insights for network optimization.
SD WAN
- Manage private links ensuring high-performance WAN links that connects remote sites with redundancy and failover solutions.
- Manage SD-WAN solutions, enabling dynamic routing and bandwidth optimization across regions.
- Provide mechanisms to minimize jitter, latency and packet loss, ensuring an optimal user experience for global collaboration tools.
Branch Network WAN
- Manage WAN links connecting all branches ensuring redundancy and high availability for office locations and retail outlets across the country.
- Ensure stable and secure network connections for all branch offices and locations, with real-time monitoring and troubleshooting.
- L2 Network Troubleshooting, capacity trend/problem identification, patching, configuration management
LAN/Wi-Fi
- Full lifecycle management of LAN, including switch configuration, monitoring, and troubleshooting.
- Manage the Wi-Fi network, ensuring coverage, security, and performance for both office and remote locations.
- Provide secure, segregated guest Wi-Fi access with appropriate bandwidth controls.
Audit Participation and Documentation
- Participate in all audits requested by the customer, including filling in required forms and collecting relevant data.
- Ensure timely and accurate submission of all requested audit materials.
- Complete all audit questionnaires and related documents as required by the customer, ensuring thoroughness and compliance with the scope of the service provided.