Network L2 Administrator
- Source: LinkedIn
- Tata Consultancy Services
- On-site
- Hyderabad
- Full-Time
- Mid level
Job Description
Role: Network L2 Administrator
Required Technical Skill Set Strong Knowledge of Network Routing, Switching & Security
Desired Competencies (Technical/Behavioral Competency
-
Strong network administration and troubleshooting skills.
-
Good Understanding and troubleshooting skills of TCP/IP, Switching &Routing protocols, MPLS, Load balancing
-
Knowledge and experience in STP, VTP, HSRP, VLAN, QoS and other switching technologies
-
Good Knowledge and experience on Cisco Wireless Controllers.
-
Basic exposure to firewalls (Cisco ASA / Palo Alto / Checkpoint).
-
Excellent analytical and organizational skills and the ability to work with multiple geographically dispersed teams
-
Excellent listening skills & ability to communicate clearly and fluently in English
-
Flexibility to work in shifts for 24x7 support
-
Strong team player with a constructive perspective and commitment to the success of the business 10. Ability to work on multiple concurrent tasks with conflicting priorities 11. Product knowledge: o Routing Protocols, especially MPLS, BGP, EIGRP o Cisco Routers – 7200, 3800, 3600, 2800, 2900, 881 o Firewalls – Cisco ASA5550, Checkpoint, Palo Alto o Load Balancers F5 o Switches – Nexus 9K/7K/5K/2K, Cisco 9300/6500/4500/3750/2960, Juniper switches o WLAN Wireless LAN Controllers, WCS, Cisco WLAN Controllers o Zscaler (ZIA) o SD-WAN o Cisco ACI using Spine-Leaf
Good-To-Have
-
Experience on Network and Security architecture designing
-
ITIL Certification
-
CCNP / CCNA Certification
Role descriptions / Expectations from the Role
1 Handle L2 incidents and service requests related to routing, switching, wireless, and firewall issues.
2 Troubleshoot network problems involving TCP/IP, VLANs, STP, routing protocols (BGP/EIGRP), and LAN/WAN connectivity.
3 Perform basic configuration tasks on Cisco routers, switches, and wireless controllers under L3 guidance.
4 Monitor health and performance of network devices, links, and circuits using NMS tools.
5 Analyze logs and events to resolve issues with switches, routers, firewalls, and WLAN access points.
6 Support L1 engineers through guided troubleshooting and knowledge sharing.
7 Escalate complex or recurring issues to L3 and follow through till closure.
8 Maintain documentation, SOPs, and update knowledge base articles.
9 Provide support in a 24x7 shift-based environment
Skills
- cisco-asa
- cisco-routers
- cisco-asa-5550
- f5
- juniper
- zscaler
- cisco-aci
- provide-support
