Network Security Engineer

"Radhika.Gupta1@teleperformance.com

Work Exp: 7+yrs

Work Location: Mumbai/Gurgaon

Role Summary:

We are looking for a highly skilled Senior Network Engineer with 7-12 years of experience working on large-scale, enterprise-grade IT infrastructure Networks. This engineering role involves high-level support, hands-on deployments, and escalated troubleshooting across core networking and security systems.

Candidate needs to have experience on devices such as Cisco 9000/8000 series switches and routers, Fortinet FortiManager/FortiAnalyzer, and Palo Alto Panorama/Strata. You will be part of the engineering team, contributing to network transformation, optimization, and infrastructure readiness for the future.

Key Responsibilities:

• Lead or support escalated L3 troubleshooting for complex enterprise network and security major incidents.
• Perform end-to-end design validation, device configuration, migration, and deployment for new network rollouts and upgrades.
• Work on high-performance large data centres and distributed environments
• Provide expert-level support during change implementations, post-deployment testing, and UAT.
• Ensure network designs comply with architectural standards, scalability, and future-readiness goals
• Manage and update high-quality network diagrams and configuration documentation.
• Participate in vendor coordination for hardware issues, RMAs, and software bugs scrubs.
• Collaborate with cross-functional teams (Security, Cloud, Ops, service delivery) for holistic incident handling and optimization
• Contribute to problem management reviews, long-tail incident analysis, and remediation planning
• Serve in a 16x7 rotational escalation schedule.
• Device lifecycle management and EOL / EOS management.

🛠 Key Technical Skills & Experience:

Core Networking & Routing:

• Hands-on experience with Cisco 9000 Series Switches (Catalyst & Nexus), Arista switches.
• Knowledge of Cisco 8000 Series Routers, ASR & ISR platforms
• Strong routing protocols: BGP, OSPF, EIGRP, MPLS, VXLAN, VRF/VRF lite
• SD-WAN knowledge preferred (Cisco, Viptela, Citrix, Versa, Fortinet).
• Cisco Data Centre technologies like ACI (Spine / Leaf) architecture.
• Knowledge of HPE devices would be an added advantage.

Network Security:

• Extensive experience on Fortinet Firewalls (FortiGate) including FortiManager / FortiAnalyzer.
• Deep understanding of Palo Alto Networks including Panorama, Prisma Access / Prisma Cloud, Strata & Next-Gen Firewalls. Familiarity with Cloud instances of PA would be an added advantage.
• Knowledge and administration experience Cisco ISE.
• Familiar with Cisco FMC / FTD (Firepower Threat Defence) and ASA platforms
• Firewall rule design, policy tuning, NAT, segmentation, and HA configurations
• Basic knowledge and understanding of various audit types like ISO / PCI-DSS, SOC, SOC2, VA/PT.

Wireless & LAN

• Experience with HPE Aruba / Fortigate Wireless / Cisco Wireless LAN Controllers (WLC 9800 Series) and Aps. Troubleshooting large campus/branch wireless deployments (Wireless Band 5/6/7)

Tools & Automation:

• Experience with Network Monitoring Tools (SolarWinds, PRTG, Cisco Catalyst manager)
• Knowledge of Ansible or Python for automation is a bonus

Preferred Certifications (not mandatory but advantageous):

• Cisco: CCNP Enterprise, CCIE (written or lab)
• Palo Alto: PCNSE
• Fortinet: NSE 4/5/6
• Cloud: Azure Network Engineer Associate, AWS Advanced Networking

Soft Skills & Collaboration:

• Strong written and verbal communication skills — ability to explain complex topics clearly
• Capability to handle pressure during escalations and major incidents
• Proven ability to work in matrixed environments and across geographies
• Attention to documentation, reporting, and escalation hygiene
• Experience in working with Visio / Ms Excel will be an advantage.