Manager - Network Operations & Support

Job Description Manager (L3 SME Nokia Networks)

Position: Manager L3 SME (Nokia)

Experience: 812 Years

Education: Bachelors Degree in Computer Science, Information Technology, or a related field

Location: Pune (Work From Office 5 Days, Supporting 247 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 247 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