958 Network Administration jobs in Bangalore

Job Description Summary

Nasdaq Technology is looking for a passionate
Systems and Network Administrator – Sr Specialist
with focus on Cisco network products and preferably an automation skillset to join the Bangalore technology center in India. If Innovation and effectiveness drive you forward this is the place for you

With this position we offer :

Join the NASDAQ Network Operations Team. The team provides excellent, first-level network support for European clients. They proactively monitor and respond to alerts and requests to ensure maximum uptime for Nasdaq's mission-critical exchange systems. The team is driven, passionate, high-energy, and highly motivated with diverse skill sets. The fast-paced work environment requires to take on tasks independently. It is crucial that you have the potential and drive to grow their craft. The team ensures the network complies with best practices, meets internal design criteria, and adheres to Information Security and Internal Audit guidelines. New ideas and improvements to processes and procedures to maximize efficiency and productivity are encouraged.

Your role and responsibilities :

• As a Systems and Network Administrator – Sr Specialist, your focus will be on supporting building and maintaining Nasdaq's networks.
• Initial Response and troubleshooting of HP Open View and other monitoring tool alarms.
• Work on various first level projects and tasks as required.
• Work closely with all Operations and Engineering teams to make sure that all network systems are available and working properly.
• Apply standardized LAN device configurations.
• Establish knowledge base, document standard config templates and standard operating procedures.
• Capturing and analyzing network sniffer data.
• Certifying new network gear is properly monitored through failure testing.
• Interfacing and providing feedback to network monitoring tools group.
• Maintain required spare hardware inventory at proper code revision levels in burn-in.
• Open hardware and software cases with network vendors (Cisco).

We expect you to have :

• At least
  8-11 years of experience in Network Administration along with automation and system administration skills.
• Good understanding of automation background.
• Must have any of the
  Cisco certification, preferred is CCNA.
• Should be very organized and detail oriented, with high degree of accuracy and follow-up.
• Excellent written and verbal communication skills.
• Must possess desire to learn new technologies.
• Strong understanding of network concepts, TCP/IP stack and common Internet protocols.
• Ability to work in collaborative high pressure environment.
• Development and audit network system policies and procedures.
• Knowledge of financial trading systems and trade reporting methodologies including their general design, architecture, protocols, and the customer's access requirements is a plus.
• Bachelor's Degree in IT related field or equivalent qualification.

Additional Job Description

It would be great if you are:

• Proficient in Python is a plus
• Proficient with Ansible is a plus
• Basic AI skills
• Work exeriance in NOC enveronment
• Obtained at least one CCNP certification is a plus
• Basic F5 (BIG IP) and Citrix netscalarknowledge

Does it sound like you?

As the selection process is ongoing, please submit your application in English as soon as possible. We will get back to you in 2-3 weeks.

Job Description

Role: Tier T1.5 Support for AT&T GCSC Teams

Responsibilities:

Technical Skills:

Professional Skills:

Years of Experience

1-3+ Years

Education

BE/B.TECH + CCNA/CCNP certified.

Weekly Hours:

Time Type:

Location:

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.

Your role

As a Systems and Network Administrator – Sr Specialist, your focus will be on supporting building and maintaining Nasdaq’s networks.

We expect you to have :

It would be great if you are:

Does it sound like you?

As the selection process is ongoing, please submit your application in English as soon as possible. We will get back to you in 2-3 weeks.

Crossing Hurdles is a global recruitment consultancy firm that assists our clients to hire the best talent.

About the Client:

A company is transforming internet infrastructure by integrating hardware, software, and operations to streamline processes, reduce costs, and solve inefficiencies in a fragmented industry. Backed by top investors, it is building a high-impact team to drive long-term industry transformation.

• Role -
  Network Support Engineer
• Location -
  Bengaluru, India
• Required Tech Stack -
  Routing, Switching, Wireless, Network Design & Deployment, Layer 1–4 Troubleshooting, Infrastructure as Code, API Automation, Customer-Facing Networking
• YOE -
  3+ years of experience in a network engineering role, not general IT support

Roles & Responsibilities:

• Troubleshoot and resolve network issues across all layers (Layer 1–4)
• Manage and support remote customer networks
• Configure and maintain Routing, Switching, and Wireless Networks
• Identify, document, and escalate product bugs
• Create feature requests based on customer feedback
• Use Infrastructure as Code and API automation for network tasks
• Share expertise and mentor team members to build technical depth

Requirements for the role :

• 3+ years of hands-on network engineering experience in fast-paced, customer-facing environments
• Strong expertise in Routing, Switching, and Wireless Networks across diverse environments
• Experience trouble shooting and managing networks across all layers (Layer 1–4)
• Background in Network Design, Deployment, and supporting complex customer networks
• Knowledge of Infrastructure as Code, API automation, and light programming for network tasks
• Degree in Electrical Engineering, Computer Networking, or related field
• Exceptional communication skills, with the ability to mentor, document processes, and collaborate with teams.

Why Candidates Should Join:

• Shape Enterprise Networking:
  Build next-gen networks and influence large-scale enterprise networking.
• Solve Complex Challenges:
  Troubleshoot all layers across diverse environments, driving product innovation.
• Grow & Make an Impact:
  Use infrastructure-as-code, automation, and APIs while shaping customer success.

Onsite Support Engineer (Bengaluru)

Location: Bengaluru

Experience: Minimum 3 years in IT Infrastructure & Security Support

Certification Required: Valid CompTIA CySA+ (or equivalent in security domain subject to client approval)

Job Title: Network Support Engineer On-Site & Global IT Support

Location: Bengaluru

Work Type: Full-time | On-site

Travel: Yes, occasional travel within India

Shift Flexibility: Must be comfortable with off-hours support as per business needs

Key Responsibilities:

• Provide hands-on support for Cisco Meraki switches and FortiGate firewall configurations and troubleshooting.
• Offer on-site IT support for office network infrastructure across India, including hardware setup, configuration, and issue resolution.
• Collaborate effectively with the global IT team, providing support for global users as and when required.
• Ensure timely and professional communication with remote teams and stakeholders across different time zones.
• Assist in new site build-outs, network upgrades, and system rollouts.
• Travel to company offices in Hyderabad, Delhi, and Noida as per business requirements.

Required Skills & Qualifications:

• Hands-on experience with Cisco Meraki switches and FortiGate firewall administration.
• Prior experience in on-site IT/network support, preferably in a global IT environment.
• Strong understanding of LAN/WLAN setup, IP configurations, and firewall policies.
• Excellent communication skills, with the ability to coordinate with international teams.
• Must be open to work in off-hours or weekends as per operational needs.
• Willingness to travel within India as required

Company Description

Altimetrik is a leading AI-First, Data, and Digital business services company focused on delivering business outcomes through an incremental, product-oriented approach. With a team of over 6,000 practitioners skilled in software, data, and cloud, Altimetrik fosters an agile engineering culture that drives collaboration and innovation. Recognized for its digital transformation expertise, Altimetrik enables businesses to develop and launch new products to market faster. As a strategic partner, the company delivers results without disruption, evidenced by accolades such as Major Contender in Everest Group's BFSI IT Services Specialists PEAK Matrix Assessment 2025 and Product Challenger in ISG Provider Lens 2024 for Advanced Analytics and AI Services.

Role Description

This is a full-time, on-site role for a Network Support Engineer based in Bangalore. The Network Support Engineer will be responsible for providing technical support, troubleshooting network issues, performing network administration tasks, and ensuring network security. Day-to-day tasks include monitoring network performance, configuring network devices, and collaborating with other technical teams to maintain network stability and security.

Responsibilities:

• Design, configure, and maintain LAN/WAN networks.
• Manage routers, switches, wireless, firewalls, and load balancers.
• Perform network performance monitoring and troubleshooting.
• Implement network security measures and best practices.
• Coordinate with vendors for upgrades and incident resolution.
• Monitor network and security infrastructure 24x7.

Skills Required:

• Strong knowledge of TCP/IP, DNS, DHCP, VPN, VLANs, radius and routing protocols (BGP, OSPF).
• Hands-on experience with Cisco, Palo Alto, Fortinet, or similar devices.
• Familiarity with network monitoring tools (SolarWinds, PRTG, ManageEngine OPManager).
• Certifications preferred: CCNA, CCNP, or equivalent.

Network Engineer (24/7 Rotational Shifts)

Work Mode: Hybrid – Work from Office mandatory on Wednesdays and Thursdays

Job Summary:

We are seeking experienced Network Engineers to join our dynamic team supporting 24/7 operations. The ideal candidates will have strong expertise in Spanning Tree Protocol (STP) and Wi-Fi network setups (Cisco WLC) along with working knowledge of key routing protocols (BGP, OSPF, ISIS). Candidates must be proactive, detail-oriented, and capable of working in a fast-paced, enterprise-level environment.

Key Responsibilities:

• Configure, troubleshoot, and support enterprise network infrastructures with a strong focus on:
• Spanning Tree Protocol (STP) – mandatory expertise required.
• Wireless LAN controllers (Cisco WLC) and Wi-Fi setup – mandatory.
• Routing protocols: BGP , OSPF , and ISIS .
• Monitor network performance and ensure system availability and reliability.
• Handle incident, problem, and change management using tools like Remedy and ServiceNow (SNOW) .
• Experience or understanding of e-bonding for integration between ticketing systems.
• Perform basic analysis and troubleshooting on Firewall systems (Palo Alto) – occasional use (~2% of daily workload).
• Collaborate with cross-functional teams for escalations and service improvements.
• Participate in on-call support as per rotational shift schedules.

Job Requirements:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Relevant certifications (e.G., CCNA, CCNP, CWNA, Palo Alto PCNSA ) are a plus.
• Minimum 5 years solid hands-on experience and understanding of STP (Spanning Tree Protocol) .
• Strong working knowledge of Wi-Fi setups , including Wireless Controllers (Cisco WLC) .
• Routing Protocols: BGP, OSPF, ISIS – good understanding and troubleshooting experience.
• Ticketing Tools: Experience with Remedy , ServiceNow (SNOW) , and e-bonding integration knowledge.
• Basic knowledge of Palo Alto Firewalls – not required to be an expert.
• Excellent problem-solving and communication skills.
• Willingness to work in a 24/7 rotational shift environment including night shifts and weekends.
• Candidates must be flexible to work from the office every Wednesday and Thursday .
• Looking for proactive individuals who can take ownership of issues and follow through to resolution.
• Prior experience in a NOC (Network Operations Center) or enterprise network support environment is highly desirable.

Exp range -8-12 yrs

Location - Chennai / Bangalore

Must-Have

1. Excellent working knowledge on Nexus Switches (9k/3k/2k) & VPC/VDC/HSRP (DC Network) and F5 Load Balancer.

2. Excellent working knowledge on Enterprise Network (BGP, HSRP, RSTP etc.)

3. Excellent working knowledge on Aruba ClearPass NAC solution.

4. Excellent working knowledge on VeloCloud SDWAN

5. Excellent working knowledge on PaloAlto, Panorama, Global Protect.

6. Excellent written and oral English communication skills.

7. Strong interpersonal skills to collaborate effectively with cross functional teams

8. Customer Oriented and Problem-Solving attitude

9. Ability to organize and prioritize diverse workload under pressure.

Good-to-Have

1. Knowledge in Solarwinds

2. Knowledge of Python/Network Automation tool.

Role descriptions / Expectations from the Role

Need to work in Dedicatedly US hours – No rotation (Night shift)

Design and implement complex network architecture to meet business requirements

Able to configure, manage and troubleshoot CISCO/PaloAlto/Aruba/VeloCloud/F5 networking devices, including routers, switches, firewalls to maintain a robust network infra

Implement and manage dynamic routing using the right technology to enable efficient routing and network convergence

Able to configure QoS policies to prioritize network traffic and ensure optimal performance for critical application and services

Implement monitoring tools and protocols to proactively identify and resolve network issuer

Collaborate with security team to implement network security measures and ensure compliance with industry standards and regulations

Maintain documentation of network configuration, topology, changes and provide update on network performance and status

Monitor network traffic and security logs to identify and respond to potential security threats.

Troubleshoot any LAN/WAN/Wifi related issues & participate in P1/P2 Major incidents.

Work experience on Solarwinds/DataDog Monitoring tool.