Data Center Network Engineer

2 weeks ago

Gurgaon, Haryana, India Comvision Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Job Title: L3 Data Center Network Engineer

Responsibilities

  • Design, implement, and manage enterprise-grade data center network infrastructure, including core/distribution/access switches, routers, firewalls, load balancers, and VPN gateways.
  • Plan and maintain redundant, high-availability (HA) configurations for firewalls (Fortinet, pf Sense, Cisco ASA, Palo Alto, etc.), switches (vPC, MLAG, stacking), and routers.
  • Oversee network segmentation (VLANs, VRFs, ACLs, and routing domains) and enforce zero-trust network principles.
  • Manage routing protocols (BGP, OSPF, EIGRP), static routing, NAT, and IPsec/GRE/SSL VPNs across multiple data centers and cloud edge environments.
  • Implement firewall policies, NAT rules, WAF configurations, and IDS/IPS systems while ensuring compliance with organizational security frameworks (ISO 27001 / RBI / NPCI / PCI DSS).
  • Monitor, analyze, and optimize network performance using SNMP, NetFlow, Zabbix, or equivalent tools; perform deep packet inspection and traffic analysis using Wireshark/tcpdump.
  • Coordinate with systems and virtualization teams to ensure seamless integration of VMware / Proxmox / Hyper-V / Ceph infrastructure with the data center network.
  • Manage multi-site connectivity, inter-VLAN routing, and redundancy (HA pairs, VRRP, CARP, HSRP).
  • Define and maintain network topology documentation, IP addressing schemes, and change control records.
  • Participate in disaster recovery and business continuity planning, including DR site replication and network failover testing.
  • Automate routine configuration and monitoring tasks using Ansible, Python, or REST APIs where possible.
  • Lead root-cause analysis (RCA) for major incidents and propose long-term corrective actions.
  • Evaluate and recommend new technologies, hardware platforms, and architecture improvements for scalability and security.

Qualifications & Skills

  • 6 to 10 years of experience in enterprise or data center networking.
  • Strong knowledge of L2/L3 protocols, VLANs, link aggregation, spanning-tree, routing policies, and firewall rulebases.
  • Hands-on experience with Fortinet, Cisco, pfSense, Palo Alto, Mikrotik, or TP-Link Omada platforms.
  • Familiar with Linux networking (netplan, bonding, nftables, iproute2) and virtualized environments (VMware / Proxmox).
  • Experience with load balancing, NAT, VPNs, and multi-WAN/BGP failover setups.
  • Knowledge of network automation tools (Ansible, NAPALM, Python scripts) is a strong plus.
  • Strong analytical and troubleshooting skills using CLI and packet-level analysis tools.
  • Good documentation and communication skills for coordination with security, DevOps, and server teams.

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