Role: Sr. Network Administrator

Location: Delhi Bangalore & Hyderabad

Contract

Key Responsibilities

- Design, configure, manage, and troubleshoot enterprise network infrastructure.
- Administer and monitor Aruba Central environments, including wired and wireless networks.
- Configure and manage Aruba ClearPass for network access control, authentication, authorization, and policy enforcement.
- Manage FortiGate firewalls, including security policies, NAT, VPN, routing, HA, and troubleshooting.
- Monitor network performance, availability, and security using appropriate management and monitoring tools.
- Troubleshoot complex LAN, WAN, WLAN, firewall, authentication, and connectivity issues.
- Implement network security best practices and access-control policies.
- Perform configuration changes, upgrades, patching, and network optimization.
- Maintain network documentation, diagrams, configurations, and operational procedures.
- Coordinate with vendors and internal teams for incident resolution and infrastructure projects.
- Participate in network implementation, migration,



and upgrade projects.
- Provide L2/L3 technical support and resolve escalated network issues.

Required Experience & Skills
- 10+ years of overall experience in network administration/network engineering.
- Robust hands-on experience with Aruba Central.
- Strong hands-on experience with Aruba ClearPass.
- Strong hands-on experience with FortiGate/Fortinet firewalls.
- Good understanding of TCP/IP, VLANs, routing, switching, DHCP, DNS, NAT, VPN, and network security.
- Experience with authentication protocols such as 802.1X, RADIUS, and TACACS+.
- Strong troubleshooting and analytical skills.
- Ability to work independently and manage critical network incidents.
- Excellent communication and stakeholder-management skills.

Preferred Certifications

- Aruba ACMA / ACMP / ACSA or equivalent
- Fortinet NSE / FCP / FCSS or equivalent
- CCNA / CCNP or equivalent networking certification

📌 Sr. Network Administrator (Aruba) :: Delhi, Bangalore & Hyderabad
🏢 AceStack
📍 Hyderabad