Technology Support Engineer

Overview

Supports, maintains and troubleshoots enterprise network infrastructure, including routing, switching and wireless environments, in medium to large-scale networks, providing L2 level support and ensuring network stability and performance.

What you'll do

• Resolve incidents and problems across multiple business system components and ensure operational stability.
• Perform day-to-day administration of LAN, WAN and WLAN infrastructure.
• Monitor network performance, availability and capacity using network tools.
• Provide L2/L3 troubleshooting for incidents across routing, switching and wireless domains.
• Configure and troubleshoot VLANs, STP and EtherChannel.
• Configure and troubleshoot Layer 3 routing (OSPF, BGP, static routing).
• Support Cisco and Juniper devices (routers, switches, SD-WAN if applicable).
• Manage and troubleshoot wireless networks across Aruba Controllers, Access Points and Aruba Central, and Cisco Wireless Controllers (WLC) and APs.
• Handle SSID configuration, RF optimization, authentication issues and roaming problems.
• Ensure wireless coverage and redundancy for enterprise environments.
• Handle incidents, service requests and problem tickets within SLA timelines.
• Perform root cause analysis (RCA) for recurring issues.
• Create and implement Requests for Change (RFC) and execute standard and emergency network changes as per the change management process.
• Support deployment and configuration of new network devices.
• Assist in network upgrades, migrations and transformations (e.g., Aruba to Juniper or Cisco upgrades).
• Validate network connectivity and performance post-implementation.
• Collaborate with vendors and help service management teams with issue analysis and resolution.
• Develop and maintain network documentation, SOPs and runbooks.
• Ensure compliance with enterprise security and operational policies.
• Update knowledge base articles and share best practices across teams.

What you'll need

• Must have: Enterprise Network Operations.
• Minimum 3 years of experience is required.
• 5–7 years of experience in an enterprise network operations/support role.
• Bachelor's Degree in Computer Science, IT, Electronics or equivalent.
• 15 years full time education.
• Strong understanding of OSI/TCP-IP model.
• Routing protocols: OSPF, BGP.
• Switching technologies: VLAN, STP, VTP, trunking.
• Cisco: Routing, Switching, Wireless.
• Juniper: JUNOS CLI, Routing, Switching.
• Aruba: WLAN Controllers, Aruba Central, Access Points.
• 802.11 protocols (a/b/g/n/ac/ax).
• RF fundamentals and troubleshooting.
• AAA (RADIUS, TACACS) and WLAN security.

Nice to have

• Good to have: SD-WAN Operations and Network Infrastructures.
• Cisco: DNAC (preferred).
• Certifications (preferred): Cisco CCNA; Juniper JNCIA / JNCIS.
• Aruba Certified Mobility Associate (ACMA) – optional.
• Monitoring tools such as SolarWinds, Splunk or similar (good to have).
• Network automation basics (Python/Ansible – optional).

Details

• Location: Bengaluru.