Service Assurance L3 Engineer - Cisco

Role : Service Assurance L3 Engineer

Band : B3

Experience : 8-12 Years

Locations : Pune / Hyderabad

Industry : Network Operations, Service Assurance, Telecom / ISP Managed Services

Role Overview :

We are seeking an experienced Service Assurance L3 Engineer to lead L3 NOC operations across large-scale enterprise networks. The ideal candidate will possess strong expertise in routing, switching, WLAN technologies, load balancers, and network performance management. This role requires hands-on technical capability, incident leadership, stakeholder communication, vendor coordination, and operational governance.

Key Responsibilities :

L3 Network Operations :

• Lead and manage L3 service assurance activities for Managed Routers, Switches, Access Points, WLCs and related network components.

Provide advanced troubleshooting and root cause analysis across :

1. Cisco XE / XR & Junos MX Routers

2. Cisco, Juniper & HPE Switches

3. Cisco & Aruba Wireless (APs, WLC 9800 series)

4. Cisco DNAC & F5 Load Balancers

Service Assurance & Operations Management :

Architecture, Migration & Project Support :

Operational Governance :

Vendor & Ecosystem Management :

Technical Expertise Required :

Network Technologies :

i. Deep knowledge of Routing & Switching (Cisco, Juniper, HPE)

ii. Strong experience with Wireless LAN (Cisco & Aruba)

iii. Working knowledge of IP / MPLS WAN & LAN

iv. Expertise in traffic flow analysis, packet tracing and inter-domain routing

Protocols :

i. Routing : OSPF, EIGRP, BGP

ii. LAN / WLAN : STP, VTP

iii. Infra Services : QoS, DHCP, NTP, SNMP, SSH, IPSec

iv. Good understanding of network security principles

Tools :

i. Ticketing / ITSM : ServiceNow, Unified Desktop

ii. Reporting Tools : Excel, Power BI, & Certifications :

i. Bachelors degree in Telecom / Computer Science / Engineering

ii. Certifications preferred :

a. CCNA / CCNP (or equivalent)

b. ITIL Foundation

Must-Have Skills :

(ref : hirist.tech)