Job title: Network/Security Engineer - Cisco SSE/GPU Cluster/InfiniBand | AI Datacenter

Location: Chennai

Employment type: Contract, 1 year (PF provided)

Experience: 4–12+ years (we are hiring at junior, mid and senior levels)

Joining: Within 30 days (immediate joiners preferred)

About the role

We are hiring Network/Security Engineer - Cisco SSE/GPU Cluster/InfiniBand to support an AI Datacenter program for a global technology client. You will work on the secure, high-performance network behind large GPU clusters, covering secure internet access, Data Centre switching and day-to-day network operations.

What you’ll do

- Deploy, configure and manage Cisco Umbrella / Cisco Secure Access (SSE): DNS-layer security, web and URL filtering, secure internet gateway, policies and troubleshooting
- Design, run and troubleshoot L2/L3/L4 networks: VLANs, STP, OSPF, BGP, routing, switching and load balancing
- Support AI datacenter networking: connectivity for GPU clusters, high-speed Ethernet, and InfiniBand / RoCE fabrics
- Work with firewalls, VPNs and Zero Trust access across branch, remote-user and cloud environments




- Handle incidents, changes and problems within agreed SLAs (ITIL), and keep documentation and compliance standards up to date
- Work with client, vendor and internal teams on rollouts and escalations

Must have

- Hands-on experience with Cisco Umbrella and/or Cisco Secure Access (SSE)
- Strong networking fundamentals: routing, switching, TCP/IP, DNS, VPN
- Experience with ticketing, SLAs and change management
- InfiniBand, RoCE, NVIDIA networking or GPU cluster networking
- Data centre switching (Cisco Nexus, Arista, Juniper)
- Cisco ISE, Meraki, Palo Alto, Fortinet or Netskope / Zscaler
- CCNA, CCNP or CCIE (Security / Enterprise / Data Center)

Why join

- Work on cutting-edge AI datacenter infrastructure
- 1-year contract with PF advantages
- Open to candidates from junior to architect level

To apply: Apply here, or send your resume with current CTC, expected CTC and notice period to [email protected] | WhatsApp +91 (phone hidden)

📌 Network/Security Engineer - Cisco SSE/GPU Cluster/Infiniband (Chennai)
🏢 Cinergy Technology
📍 Chennai