2,443 Wlan Engineer jobs in India

Job Description:

• Work on software architecture and design for WLAN features in firmware
• Involved in development, release and maintenance of WLAN firmware
• Working with peer teams to define SW interfaces

Minimum Qualification:

• 8 to 13 years of experience in design and implementation of embedded software/firmware for networking/wireless products
• Expertise in C programming
• Experience with 802.11 protocol preferred
• Strong analytical and problem-solving skills
• Strong architectural skills - design/implement for performance, modularity, and portability
• Excellent team communication, and interpersonal skills.

Our client, a rapidly growing telecommunications company, is seeking a highly skilled Senior Wireless Network Engineer to join their expanding team in Delhi, Delhi . This role offers a hybrid work arrangement, blending remote flexibility with in-office collaboration. You will be instrumental in designing, implementing, and optimizing our wireless network infrastructure, ensuring high performance, reliability, and scalability. The ideal candidate possesses deep expertise in wireless technologies, including 5G, LTE, Wi-Fi, and network security protocols. You will lead complex projects, mentor junior engineers, and contribute to the strategic direction of our wireless network evolution.
Responsibilities:

• Design, deploy, and maintain robust and scalable wireless networks (e.g., 5G NR, LTE-A, Wi-Fi 6/6E).
• Develop network architecture documentation, including diagrams, configurations, and operational procedures.
• Conduct site surveys, network planning, and capacity management to ensure optimal performance and coverage.
• Troubleshoot and resolve complex network issues, performing root cause analysis and implementing long-term solutions.
• Collaborate with cross-functional teams, including RF engineering, IT, and operations, to integrate wireless solutions with existing infrastructure.
• Evaluate and recommend new wireless technologies and solutions to meet evolving business needs.
• Develop and enforce network security policies and best practices to protect against threats.
• Mentor and provide technical guidance to junior network engineers.
• Participate in on-call rotations for network support and incident response.
• Stay up-to-date with the latest advancements in wireless technology and industry trends.

Qualifications:

• Bachelor's degree in Electrical Engineering, Computer Science, Telecommunications, or a related field.
• Minimum of 6-8 years of experience in wireless network engineering, with a strong focus on mobile core and RAN technologies.
• In-depth knowledge of 5G NR, LTE, UMTS, and Wi-Fi standards and protocols.
• Hands-on experience with network planning tools, spectrum analysis, and performance monitoring software.
• Proficiency in network security principles and best practices for wireless environments.
• Experience with cloud-native network functions (CNFs) and virtualization technologies (NFV/SDN) is a plus.
• Strong analytical, problem-solving, and troubleshooting skills.
• Excellent communication, collaboration, and interpersonal skills.
• Ability to work effectively in both remote and in-office environments.
• Relevant industry certifications (e.g., CWNP, CCNA/CCNP Wireless) are highly desirable.

This is an exciting opportunity to contribute to the growth and innovation of a leading telecommunications provider. If you are a passionate wireless expert looking to make a significant impact in a hybrid role, we encourage you to apply.

**Responsibilities**
**Design & Implementation:**
+ Support design, configuration, and deployment of global network solutions across datacenters, offices, and cloud platforms (Azure).
+ Configure routers, switches, firewalls, SD-WAN devices, and wireless networks across Cisco, Palo Alto, and Meraki platforms.
+ Contribute to Parexel's SD-WAN and network segmentation strategies, ensuring scalability, resiliency, and performance.
+ Participate in office buildouts and relocations, ensuring end-to-end network readiness and alignment with global standards.
**Operations & Troubleshooting:**
+ Maintain uptime and performance across Parexel's global WAN, LAN, and VPN environments.
+ Provide escalation support for complex incidents, coordinating with Network Operations and regional site support teams.
+ Monitor infrastructure using tools such as SolarWinds, Panorama, and Meraki Dashboard to proactively identify and remediate issues.
+ Review and validate network changes through established CAB and change management processes.
**Security & Compliance:**
+ Work with the CISO organization to enforce network security posture across all segments, including firewall policies, VPN configurations, and zero-trust principles.
+ Support continuous improvement of network access control, segmentation, and monitoring in partnership with Security Operations.
+ Ensure network configurations align with compliance and audit requirements (e.g., GxP, ISO 27001).
**Collaboration & Projects:**
+ Partner with Cloud, Infrastructure, and Security towers to enable seamless integration between datacenter, cloud, and application environments.
+ Support projects tied to datacenter footprint reduction, cloud repatriation, and disaster recovery connectivity.
+ Provide technical input during vendor assessments, RFPs, and cost-optimization initiatives.
+ Participate in on-call rotation and global escalation coverage as required.
**Qualifications**
**Required:**
+ Bachelor's degree in Computer Science, Information Technology, or related field.
+ 3+ years of experience supporting enterprise networks in a global environment.
+ Hands-on experience with Cisco routing/switching, Palo Alto firewalls, and Meraki wireless infrastructure.
+ Strong knowledge of routing and switching protocols.
+ Experience supporting SD-WAN (preferably AT&T) and VPN platforms.
+ Familiarity with DNS, DHCP, NAT, ACLs, QoS, and IP addressing standards.
EEO Disclaimer
Parexel is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to legally protected status, which in the US includes race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

Do you want to be part of an inclusive team that works to develop innovative therapies for patients? Every day, we are driven to develop and deliver innovative and effective new medicines to patients and physicians.  If you want to be part of this exciting work, you belong at Astellas!
Astellas Pharma Inc. is a pharmaceutical company conducting business in more than 70 countries around the world. We are committed to turning innovative science into medical solutions that bring value and hope to patients and their families. Keeping our focus on addressing unmet medical needs and conducting our business with ethics and integrity enables us to improve the health of people throughout the world. For more information on Astellas, please visit our website at  .
Astellas' Global Capability Centres (GCCs) are strategically located sites that give Astellas the ability to access talent across various functions in the value chain and to co-locate core capabilities that are currently dispersed. Our three GCCs are located in India, Poland and Mexico.
The GCCs will enhance our operational efficiency, resilience and innovation potential, enabling a timely response to changing business demands.
Our GCCs are an integral part of Astellas, guided by our shared values and behaviors, and are critical enablers of the company's strategic priorities, sustainable growth, and commitment to turn innovative science into VALUE for patients
**Purpose and Scope:**
We are seeking a Cloud and Network Security Engineer to strengthen our cybersecurity posture across cloud and hybrid infrastructures supporting regulated pharmaceutical workloads. This role is responsible for implementing and managing cloud and network security controls, ensuring compliance with industry standards, and supporting secure connectivity and monitoring across the enterprise. The ideal candidate will have experience with cloud-native security tools, firewall technologies, and secure access platforms in highly regulated environments.
**Responsibilities and Accountabilities:**
+ Architect and implement secure cloud environments (AWS, Azure) and hybrid networks.
+ Design and maintain network security controls, including segmentation, VPNs, firewalls, and zero-trust architectures.
+ Manage and monitor cloud security posture using tools such as CNAPP platforms to detect misconfigurations, vulnerabilities, and compliance risks.
+ Administer firewalls, enforce security policies, and optimize rule sets to protect on-prem and cloud workloads.
+ Support secure remote access and cloud application access using technologies such as Zscaler Internet Access (ZIA) and Private Access (ZPA).
+ Conduct vulnerability management activities and remediation coordination in alignment with compliance and risk management frameworks.
+ Develop and maintain security policies, standard operating procedures, runbooks, and network security diagrams.
+ Experience with AWS SCP policies and Azure Organization policies.
+ Participate in incident response efforts, risk assessments, and internal/external audits.
+ Collaborate with compliance, QA, DevOps, and infrastructure teams to ensure the security of regulated systems and data.
**Required Qualifications:**
+ Strong proficiency in written and verbal English.
+ 5+ years of experience in network or cloud security engineering
+ Proven experience with securing cloud platforms (AWS, Azure), identity and access management, encryption, and secure configurations.
+ Strong knowledge of networking solutions (Cloud and Traditional), standards, and best practices.
+ Demonstrated experience in designing, implementing, and maintaining complex network infrastructure.
+ Strong working knowledge of network technologies, including firewalls, VPNs, and intrusion detection/prevention systems.
**Preferred Qualifications:**
+ Experience with Wiz CNAPP for cloud security posture management, vulnerability detection, and compliance monitoring.
+ Hands-on experience with Palo Alto firewalls and Panorama for rule-based and threat prevention management.
+ Experience with Zscaler (ZIA/ZPA) for secure remote and SaaS access.
+ Security certifications such as CISSP, CCSP, AWS Security Specialty, Azure Security Engineer, or equivalent.
+ Proficiency with scripting languages (Python, PowerShell) and infrastructure-as-code tools (Terraform, Ansible).
+ Experience integrating security controls with SIEM, SOAR, and ticketing platforms (e.g., ServiceNow, Sentinel).
Category TechX
Astellas is committed to equality of opportunity in all aspects of employment.
EOE including Disability/Protected Veterans

Network Engineer - ( H )
**Description**
**SCOPE OF POSITION** **:**
Construction Specialties is looking for a highly motivated Network Engineer to join the team. The Network Engineer will be part of the Network team that is responsible for managing Construction Specialties rapidly growing global network. The candidate will have hands-on access to all network devices across the enterprise and will work closely with engineering groups within the IT organization to provide advanced network engineering and consultation in the design, development and implementation of network services.
**ESSENTIAL DUTIES AND RESPONSIBILITIES** **:**
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions, including but not necessarily limited to the following:
**Key Responsible Areas:**
+ Being a member of the Network Operations Team, the candidate will be responsible for managing and maintaining the network providing these services.
+ It's more important that the person should have the aptitude and demonstrable skills needed to fulfill this role whilst experienced members of the team will provide assistance, guidance, and developing required skills and confidence.
+ The ideal candidate must interact frequently with multiple technical teams to provide service and address any incidents to resolve connectivity issues.
+ Within this role is to work to be proactive by reviewing KPIs, monitoring utilities, and bench marking expected performance.
+ The suitable candidate should be able to communicate ideas and information to people from a non-technical background.
+ Work closely with the Design and Engineering teams and as such need to have a good well-rounded understanding of networks and systems.
+ Importantly, Network Operations Engineers must develop a solid understanding of our internal operational standards and processes.
+ Must be keen to learn, able to use their experience and initiative to tackle a broad range of problems and contribute to the growing success of the IT organization.
+ Once settled into the role, the position may be asked to join our on-call rotation providing 24x7 support for our key services as well as covering both planned and unplanned out of hours work as required.
**Qualifications**
**Desired Candidate Profile**
**Required Experience** **:**
* 3-5 years relevant working experience as a network engineer in an Enterprise environment.
* CCNA/CCNP or similar advanced networking certifications.
* Strong knowledge and configuration experience of Cisco/Meraki routing, switching, and wireless technologies including BGP, MPLS, EIGRP, OSPF, Qos, 802.1x and Radius
* Experience with firewalls, preferably Fortinet and Meraki (policy- based routing, site-to-site VPN) highly preferred.
* Experience with designing, implementing, and managing network solutions within Azure cloud platforms is desired.
* Knowledge of VoIP SaaS platforms (Ring Central).
* Knowledge in implementing, maintaining, and securing operational technology (OT) systems, ensuring reliable communication between industrial control systems (ICS), IoT devices, and enterprise networks
* Knowledge of basic network security including access-list, port-security, and basic firewalls.
* Able to analyze problems and conduct effective fault diagnosis and system recovery. - Clear communicator (written and verbal).
* Capable of prioritizing and managing own workload.
* Self-motivated and Proactive/ should be a go-getter.
* Capable of working/using own initiative with minimal supervision.
* Keen to contribute ideas, share knowledge and help others develop.
* Able to perform ongoing network maintenance, upgrades and enhancements to optimize network performance, availability, stability and security
**Mandatory Technical Skills** :
* Experience with Fortinet, Cisco, and Meraki.
* Experience in managing all Routers, Switches, Firewalls, IP Telephony, WAPs, and Network Management Solutions across the enterprise (LAN/WAN)
**Soft Skills** :
* Motivated and Self-Driven.
* Strong technical Skills.
* Strong organizational skills.
* Strong verbal and written communication skills.
* Strong technical knowledge of personal computers and network systems
**Certifications :** Not mandatory
**Ind Industry background :** 5 years hands on technical experience Networking Operations
**Req Required Education :** B-Tech or Master's Degree, preferably in Information Systems
**Primary Location** : IN-TG-Hyderabad
: IT
**Travel** : No
**Employee Type:** : Full-Time Regular
**Req ID:** H

Req ID:
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.

**Make an impact with NTT DATA**
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.
**Additional Career Level Description:**
**Knowledge and application:**
+ Work is reviewed periodically based on a set of defined procedures or precedence.
+ Normally receives general instruction on work and new assignments.
+ Learns to use professional concepts.
**Problem solving:**
+ Applies knowledge and basic problem-solving techniques to define and resolve problems.
+ Works on problems of limited scope.
**Interaction:**
+ Exchanges standard/basic information with colleagues and immediate line manager/team leader.
+ Develops stable working relationships internally.
**Accountability:**
+ Determines a course of action based on guidelines and standard practices and procedures.
**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.
**Third parties fraudulently posing as NTT DATA recruiters**
NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters-whether in writing or by phone-in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an **@nttdata.com** email address. If you suspect any fraudulent activity, please contact us ( ) .

**Make an impact with NTT DATA**
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.
**Additional Career Level Description:**
**Knowledge and application:**
+ Work is reviewed periodically based on a set of defined procedures or precedence.
+ Normally receives general instruction on work and new assignments.
+ Learns to use professional concepts.
**Problem solving:**
+ Applies knowledge and basic problem-solving techniques to define and resolve problems.
+ Works on problems of limited scope.
**Interaction:**
+ Exchanges standard/basic information with colleagues and immediate line manager/team leader.
+ Develops stable working relationships internally.
**Accountability:**
+ Determines a course of action based on guidelines and standard practices and procedures.
**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.
**Third parties fraudulently posing as NTT DATA recruiters**
NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters-whether in writing or by phone-in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an **@nttdata.com** email address. If you suspect any fraudulent activity, please contact us ( ) .