Network Engineer-Cisco s HPE Switches

Job Description:- L3 Network Engineer Cisco s HPE Switching

Position Title: L3 Network Engineer Cisco s HPE Switching

Department: Network Engineering / Infrastructure

Experience: 37 Years

Location: Gurgaon

Role Overview

The L3 Network Engineer Cisco s HPE is responsible for advanced troubleshooting,

design support, escalation handling, and performance optimization of enterprise switching infrastructure. This role focuses on Cisco Catalyst/Nexus and HPE Aruba/ProCurve switching platforms, ensuring high availability, security, and optimal network performance.

Key Responsibilities

1.L3 Escalation s Advanced Troubleshooting

Handle L3 incidents escalated by L1/L2 teams for Cisco C HPE switches.

Diagnose complex switching issues including:

oSTP loops

oVLAN routing

oTrunking issues

oPort security violations

oMulticast traffic behavior

oInterface flaps, packet drops, CRC errors

Perform deep-dive troubleshooting using logs, packet captures, syslogs, NMS data.

2.Network Configuration s Optimization

Configure and optimize:

oVLANs, SVIs

oEtherChannel / LACP

oHSRP/VRRP/GLBP

oQoS policies

oDHCP snooping, DAI, IP Source Guard

oPort security, MAC filtering

Optimize Layer-2/Layer-3 paths for performance and redundancy.

3.Cisco Expertise

Hands-on with:

Cisco Catalyst (2G60/3650/3850/GK series)

Cisco Nexus (5K/7K/GK)

Routing C Switching protocols: OSPF, EIGRP, BGP (basic), STP (RSTP, MSTP)

IOS C NX-OS upgrades, patches, golden image management.

4.HPE / Aruba Switching Expertise

Experience with HPE ArubaOS, ProCurve, Aruba CX switches.

Configuration of:

oVSF/IRF stacking

o802.1X NAC integration

oRSPAN/ERSPAN

oVLAN C L3 routing

Apply security and performance best practices across HPE platforms.

5.Network Monitoring s Automation

Monitor performance using SolarWinds, PRTG, Aruba AirWave, Cisco DNA Center (if available).

Automate configuration tasks using Python, Ansible, or templates (optional but preferred).

6.Documentation s RCA

Create incident reports, RCA documentation, topology diagrams, and implementation plans.

Maintain updated SOPs, configuration baselines, and switch inventory.

7.Change Management

Plan and execute scheduled changes including:

oImage upgrades

oVLAN redesign

oTraffic migration

oNetwork expansion and switch replacement

Validate post-change health and rollback plans.

8.Security s Compliance

Implement network hardening on switches:

oAAA, TACACS+, RADIUS

oACLs, port-level security

oDHCP snooping C DAI

Ensure compliance with enterprise security policies.

Required Skills Technical Skills

Strong expertise in Cisco IOS/NX-OS C HPE ArubaOS switching.

Strong hands-on troubleshooting across L2/L3.

Understanding of routing protocols (OSPF/EIGRP/BGP).

Experience with STP, VLANs, LACP, VTP, HSRP, VRRP.

Familiarity with Wireshark/tcpdump packet analysis.

Solid Linux basics (optional but useful).

Tools

SolarWinds, PRTG, Cisco Prime/DNA, Aruba AirWave

Wireshark, Putty/SecureCRT

SNMP, Syslog servers

Soft Skills

Strong analytical skills

Clear verbal C written communication

Ability to handle high-severity network outages

Team collaboration across L1/L2 and architecture teams

Preferred Qualifications

B.Tech/B.E. in Electronics, Computer Science, or IT

Certifications (any of these):

oCCNP (Switching/RsS/Enterprise)

oCisco DevNet (plus)

oHPE Aruba Certified Switching Professional (ACSP/ACMP)

Experience in campus LAN, data center networks, or enterprise WAN environments.