Job title: Network Administrator / Network SME

Location: Pan India, hybrid

Experience: 8-10 yrs

Job description:

- 10+ years of experience in enterprise network administration, wireless infrastructure, network security and datacenter/campus networking support.
- Extensive hands-on experience managing Aruba Central for Aruba wireless access points, Aruba switches, device onboarding, monitoring, firmware upgrades, alerting and troubleshooting.
- Strong experience with Aruba ClearPass, including Policy Manager, 802.1X authentication, RADIUS, TACACS+, guest access, endpoint profiling, role-based access and NAC policy enforcement.
- Good working knowledge of enterprise wireless concepts including SSID design, RF basics, roaming, authentication flows, certificate-based access, captive portal, client troubleshooting and wireless performance optimization.
- Strong hands-on experience managing FortiGate firewall policies, address/service objects, NAT, VPN, IPS, web filtering, application control, SSL inspection, SD-WAN, routing integration and HA operations.
- Robust understanding of routing and switching technologies including VLANs, trunks, STP/RSTP/MSTP, LACP, OSPF, BGP, static routing, VRRP/HSRP, QoS, multicast basics and network segmentation.
- Experience with small and enterprise network tools including IPAM such as Efficient IP, or equivalent, with working knowledge of DNS, DHCP, IP allocation, subnet management and IP lifecycle governance.
- Ability to monitor and troubleshoot LAN, WAN, wireless, firewall, VPN, internet, branch and datacenter network issues using structured diagnostic methods.
- Ability to understand business and technical requirements and translate them into secure, scalable and supportable network solutions using Aruba, Fortinet, routing/switching and IPAM capabilities.
- Experience preparing HLD/LLD inputs, network diagrams, SOPs, configuration standards, implementation plans, change plans, migration runbooks, RCA reports and knowledge documents.





Key Responsibilities

- Administer and support enterprise network services across Aruba Central, Aruba wireless, Aruba switching, Aruba ClearPass, FortiGate firewalls, routing/switching, DNS, DHCP and IPAM platforms.
- Manage Aruba Central device onboarding, configuration templates, monitoring, alerting, firmware lifecycle, performance checks and troubleshooting for access points and switches.
- Configure, support and troubleshoot Aruba ClearPass authentication policies, enforcement profiles, guest access workflows, endpoint profiling, RADIUS/TACACS+ integrations and NAC use cases.
- Support wireless operations including SSID configuration, authentication issues, RF/performance analysis, client connectivity problems and coordination with site teams for access point or switch issues.
- Manage FortiGate firewall administration including firewall rules, NAT policies, VPN tunnels, SD-WAN rules, security profiles, address objects, routing, HA checks and policy cleanup activities.
- Support routing and switching operations such as VLAN provisioning, port configuration, trunking, routing updates, segmentation changes, QoS checks and network availability troubleshooting.
- Operate and maintain IPAM tools such as EfficientIP/Infoblox, including IP allocation, subnet management, DNS/DHCP record updates, utilization review and cleanup of stale assets.
- Perform incident, problem and change management activities in alignment with ITSM processes, including impact analysis, risk assessment, implementation and post-change validation.
- Monitor network health, capacity, availability and security posture; proactively identify recurring issues and recommend corrective or preventive actions.
- Collaborate with security, infrastructure, cloud, application, service desk and customer teams to ensure stable network operations and effective service delivery.
- Maintain technical documentation, configuration backups, standard operating procedures, operational handover notes and knowledge transfer materials for BAU teams.

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