Network Infrastructure

3 weeks ago

Gurugram, India Hazelnut Cyborg Infra Solutions Full time

Role & responsibilities

  • Design, configure, and manage Cisco Firepower firewalls, including:
  • Intrusion Prevention/Detection Systems (IPS/IDS)
  • Site-to-site and remote-access VPNs
  • NAT, ACLs, and security policy enforcement
  • Manage and support Ubiquiti firewall deployments (preferred for EU client environments).
  • Implement Layer 3 networking: VLAN setup, inter-VLAN routing, ACLs.
  • Architect and secure DMZ and layered network security models.
  • Handle ISP handoff & routing including static routes, OSPF/BGP basics, and WAN failover.
  • Collaborate with cross-functional teams to integrate network security into overall IT infrastructure.
  • Monitor, troubleshoot, and optimize firewall and network performance.
  • Maintain strong documentation for network designs, configurations, and change management.

Preferred candidate profile

  • Must-Have: Cisco Firepower (IPS/IDS, VPNs, policies)
  • Preferred: Ubiquiti firewalls (for EU environments)
  • Strong Layer 3 networking expertise: VLANs, routing, ACLs
  • DMZ design & implementation with layered security approach
  • ISP handoff knowledge and routing (Static, BGP/OSPF basics)
  • Familiarity with Cisco Meraki is a plus
  • Ability to work across multiple vendors (Cisco, Ubiquiti, Fortinet, Palo Alto preferred but not mandatory)
  • Excellent troubleshooting and problem-solving skills

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