1. SLA & KPI Ownership
• Own and ensure achievement of contractual SLAs:
• Network Availability (% uptime)
• MTTR / MTTI targets
• Incident response & resolution timelines
• Track and publish:
• Weekly / Monthly SLA dashboards
• RCA reports for P1/P2 incidents
• Drive service improvement plans (SIP).
• Participate in customer governance meetings.
⸻
🔹 2. Network Monitoring & Proactive Operations
• Define monitoring strategy using tools such as:
• SolarWinds / PRTG / Nagios / equivalent
• Configure:
• Threshold-based alerting
• SNMP monitoring
• Syslog integration
• NetFlow analysis
• Ensure proactive fault detection before SLA breach.
• Reduce repeat incidents via automation and tuning.
⸻
🔹 3. Enterprise Network Architecture & L3 Support
• Act as final escalation point for:
• Routing (BGP, OSPF, EIGRP)
• Core switching & STP
• MPLS & SD-WAN
• Design review & validation of:
• HLD / LLD
• Redundancy models (HSRP/VRRP)
• High availability core architecture
• Capacity planning & performance optimization.
⸻
🔹 4. Legacy Network Refresh & Modernization
• Assess and document legacy infrastructure.
• Prepare refresh roadmap for:
• End-of-Life / End-of-Support devices
• Obsolete firewall platforms
• Aging fiber backbone
• Lead hardware refresh & migration projects.
• Perform risk impact analysis and migration strategy.
• Minimize downtime during refresh activities.
⸻
🔹 5. Structured Cabling, Fiber & Backbone Oversight
• Oversee structured cabling standards (Cat6/6A).
• Manage fiber backbone (SM/MM) connectivity.
• Review OTDR test reports and fiber health.
• Maintain rack, patching & labeling governance.
• Ensure redundancy in backbone topology.
⸻
🔹 6. CCTV & Surveillance Network Ownership
• Architect VLAN segmentation for surveillance.
• Manage PoE switching infrastructure.
• Ensure bandwidth planning for NVR systems.
• Troubleshoot video drops, latency, multicast issues.
• Coordinate with surveillance OEMs.
⸻
🔹 7. Security & Firewall Governance
• Manage enterprise firewall policies.
• Conduct rule review & cleanup.
• Oversee VPN connectivity.
• Ensure compliance with security audit requirements.
⸻
🔹 8. On-Call & Major Incident Management
• Participate in 24x7 on-call rotation.
• Support:
• After-hours outages
• Weekend change windows
• Holiday emergency incidents
• Lead bridge calls during critical incidents.
• Provide executive-level incident communication.
⸻
🔹 9. Documentation & Governance
• Maintain:
• As-built network diagrams
• Fiber route maps
• Rack elevation diagrams
• IP address schema
• Maintain configuration backup governance.
• Ensure ITIL compliance (Incident / Change / Problem).
⸻
Required Experience
• 6-12 years enterprise network experience.
• Strong hands-on expertise in BGP & OSPF (Mandatory).
• Experience managing remote datacenter environments.
• Experience in SLA-driven managed services model.
• Experience leading network modernization projects.
• Exposure to enterprise firewall platforms.
• Strong understanding of fiber & structured cabling.
⸻
Preferred Certifications
• CCNP Enterprise / Security (Mandatory Preferred)
• CCIE (Advantage)
• ITIL Foundation
• Vendor firewall certification (Palo Alto / Fortinet)
⸻
Key Performance Indicators (KPIs)
• ≥ 99.9% Network Availability
• MTTR compliance as per contract
• Zero repeat P1 due to configuration error
• Timely execution of refresh roadmap
• Audit compliance adherence
ResponsibilitiesSLA & KPI Ownership
• Own and ensure achievement of contractual SLAs:
• Network Availability (% uptime)
• MTTR / MTTI targets
• Incident response & resolution timelines
• Track and publish:
• Weekly / Monthly SLA dashboards
• RCA reports for P1/P2 incidents
• Drive service improvement plans (SIP).
• Participate in customer governance meetings.
⸻
🔹 2. Network Monitoring & Proactive Operations
• Define monitoring strategy using tools such as:
• SolarWinds / PRTG / Nagios / equivalent
• Configure:
• Threshold-based alerting
• SNMP monitoring
• Syslog integration
• NetFlow analysis
• Ensure proactive fault detection before SLA breach.
• Reduce repeat incidents via automation and tuning.
⸻
🔹 3. Enterprise Network Architecture & L3 Support
• Act as final escalation point for:
• Routing (BGP, OSPF, EIGRP)
• Core switching & STP
• MPLS & SD-WAN
• Design review & validation of:
• HLD / LLD
• Redundancy models (HSRP/VRRP)
• High availability core architecture
• Capacity planning & performance optimization.
⸻
🔹 4. Legacy Network Refresh & Modernization
• Assess and document legacy infrastructure.
• Prepare refresh roadmap for:
• End-of-Life / End-of-Support devices
• Obsolete firewall platforms
• Aging fiber backbone
• Lead hardware refresh & migration projects.
• Perform risk impact analysis and migration strategy.
• Minimize downtime during refresh activities.
QualificationsPreferred Certifications
• CCNP Enterprise / Security (Mandatory Preferred)
• CCIE (Advantage)
• ITIL Foundation
• Vendor firewall certification (Palo Alto / Fortinet)
About UsAt Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.
We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

