Job Title: Network support engineer

Skills: Aruba switches & wireless

Experience: 10 to 18 years.

Location: Chennai, Kochi

:

We are looking for a skilled and self-driven L3 Network Engineer with deep expertise in Aruba switching (CX and legacy), mobility controllers, Aruba APs, the role involves end-to-end ownership of Layer 2/3 network infrastructure, wireless deployments, security enforcement, and advanced troubleshooting in large enterprise environments.

Key Responsibilities:

- Deploy, configure, and manage Aruba CX switches (e.g., 6300, 6400 series) using AOS-CX
- Maintain and support legacy Aruba switch models (e.g., 2530,2610,2620, 2920, 2930F,) using AOS-Switch (AOS-S).
- Design, configure, and maintain Aruba CX and legacy switches including VLANs, STP, MSTP, OSPF, BGP, static routing, ACLs, port profiles, VSF/stacking and other Layer 2/3 features.
- Configure and optimize VXLAN overlays for campus fabric and access segmentation.
- Utilize Aruba NetEdit and Aruba Central and HP iMC monitoring.
- Monitor switch performance and proactively address network bottlenecks and outages.
- Participate in network design and capacity planning.
- Assist in troubleshooting complex network issues in collaboration with other IT teams.
- Deploy, manage, and troubleshoot Aruba Mobility Controllers (MM/MC) and Access Points (AP-505, AP-305, AP-515).
- Implement and support 802.1X authentication,



MAC auth, Captive Portal using Aruba ClearPass Policy Manager.
- Analyze and resolve wireless connectivity issues, RF optimization, and roaming problems using tools like AirWave or Aruba Central.
- Ensure end-to-end network performance monitoring and issue resolution (wired and wireless).
- Conduct firmware upgrades, configuration audits, and ensure compliance with network standards.
- Participate in network design and transformation projects, collaborating with architects and security teams.
- Create and maintain detailed documentation for network design, configuration standards, and troubleshooting procedures.
- Work within change management processes (ITIL) and support incident/problem resolution.
- Provide on-call and after-hours support as required.
- Proficient in network diagnostics using CLI, Wireshark, SNMP tools, and AirWave/Aruba Central.

Certifications (Preferred):

- Aruba Certified Switching Associate (ACSA)
- Aruba Certified Switching Skilled (ACSP)
- Aruba Certified Mobility Associate/Professional (ACMA/ACMP)

Soft Skills:

- Strong analytical and problem-solving capabilities.
- Excellent communication and documentation skills.
- Ability to lead technical discussions with internal teams and vendors.
- Proactive and ownership-driven approach in managing the network.

📌 Network Support Engineer (Chennai)
🏢 Tata Consultancy Services
📍 Chennai