Manager - Network Operations & Support

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Job Description – Manager (L3 SME – Nokia Networks)

Position: Manager – L3 SME (Nokia)

Experience: 8–12 Years

Education: Bachelor’s Degree in Computer Science, Information Technology, or a related field

Location: Pune (Work From Office – 5 Days, Supporting 24×7 Operations)

Employment Type: Full-Time

Job Overview

We are seeking a highly skilled L3 Subject Matter Expert (SME) with deep expertise in Nokia network technologies to support and manage enterprise-scale LAN, WAN, and Data Centre environments . The candidate will be responsible and accountable for all incidents, problem management, and critical escalations involving Nokia devices across the infrastructure.

The ideal candidate will have strong hands-on experience with Nokia 7750, 7250, and 7220 Spine-Leaf architecture , along with Nokia Service Platform (NSP) , and possess a deep understanding of enterprise networking concepts. The role requires proactive learning, ownership, and the ability to drive complex troubleshooting and network stability initiatives.

Key Responsibilities

L3 SME Ownership & Accountability

Act as the primary L3 SME for all Nokia-related infrastructure across LAN, WAN, and Data Centre networks .

Take end-to-end ownership and accountability for major incidents (P1/P2) involving Nokia devices.

Lead critical incident resolution, root cause analysis (RCA), and problem management .

Ensure SLA adherence with minimal downtime and efficient service restoration.

Nokia Platform Expertise

Design, configure, troubleshoot, and optimize:

Nokia 7750 SR Series

Nokia 7250 IXR Series

Nokia 7220 (Spine-Leaf Architecture)

Provide expert-level support for complex network issues and escalations .

Service Configuration & Technologies

Configure and manage Nokia technologies:

Epipe – Point-to-point Layer 2 services

IPIPE – Layer 2 IP interconnection services

VPRN – Layer 3 VPN services

VPLS – Multipoint Layer 2 VPN services

Manage MPLS, VPNs, and QoS policies for enterprise-grade services.

Routing & Switching

Implement and troubleshoot advanced protocols:

Routing: BGP, OSPF, IS-IS, EIGRP

Switching: STP, RSTP, MSTP, HSRP, VRRP

Handle traffic engineering, failover, and redundancy mechanisms.

Policy & Access Management

Create and manage:

Prefix lists

Route policies

Network access control policies

Ensure optimal route control, filtering, and security compliance.

Nokia Service Platform (NSP)

Perform advanced configuration, monitoring, and troubleshooting using NSP.

Ensure network visibility, automation, and operational efficiency .

Enterprise Data Centre & Network Architecture

Work on large-scale enterprise network designs including:

High availability and redundancy

Spine-leaf architectures

Data Centre interconnects

Perform deep-dive analysis and capacity planning.

Incident & Problem Management

Drive major incident bridges and stakeholder communication .

Conduct RCA and preventive actions to eliminate recurring issues.

Mentor L1/L2 teams for faster resolution and knowledge uplift.

Technology Evolution & Learning

Actively learn and adopt new networking technologies and automation tools .

Continuously enhance deep understanding of enterprise networking ecosystems .

Evaluate and recommend improvements in network design and operations.

Cross-Technology Collaboration

Collaborate with teams managing Arista and other vendor devices (added advantage).

Support integration across multi-vendor environments.

Automation & Innovation

Leverage Python, Ansible, or scripting tools to automate network configurations and monitoring tasks.

Documentation & Governance

Maintain detailed documentation for:

Network designs

Configurations

SOPs and runbooks

Ensure compliance with operational and security standards.

Qualifications & Skills

Technical Expertise

Strong hands-on experience in:

Nokia 7750, 7250, 7220 platforms

Epipe, IPIPE, VPRN, VPLS

BGP, OSPF, IS-IS, MPLS

Deep understanding of enterprise LAN/WAN/Data Centre networks .

Tools & Platforms

Proficiency in Nokia NSP

Experience with network monitoring and troubleshooting tools

Automation

Knowledge of Python / Ansible / scripting for network automation

Additional Skills

Strong analytical and troubleshooting skills

Ability to work in 24×7 support model

Leadership mindset with ownership and accountability

Excellent communication and stakeholder management

Certifications (Preferred)

Nokia NRS Certification

CCNP / CCIE or equivalent networking certifications

Key Expectations

Full ownership of Nokia-related incidents and escalations

Strong SME-level troubleshooting and design capability

Continuous learning and deep technical exploration

Ability to handle enterprise-scale, high-availability environments