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.
Solid 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+.
Robust 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