Network Engineer-Walkin Drive

Role: Network Engineer LAN, WLAN & Security-Walkin Drive Role Summary We are seeking an experienced Network Engineer with strong expertise in Enterprise LAN, WLAN, Firewall Security, and Network Access Control (NAC) technologies. The role involves design, implementation, operations, and troubleshooting of campus and data center network environments , with a strong focus on Aruba switching, Aruba Wireless, Palo Alto firewalls, and Aruba ClearPass . Location: TCS Kumaran Nagar, 415/21-24, TNHB Main Rd, Chennai, Tamil Nadu 60011 9 Key Responsibiliti esDesign, implement, and suppor t Enterprise LAN and WLAN environmen t s.Configure, manage, and troubleshoo t Aruba LAN and switching infrastructu r e.Suppor t Data Center networki ng including modern architectures such a s SpineLeaf and VXL A N.Implement and manag e Layer2 and Layer3 technologi es includin g STP and VLA N s.Operate and suppor t Aruba Wireless solutio ns, ensuring optimal performance and availabilit y.Manag e Firewall securi ty usin g Palo Al to, including zoning and segmentatio n.Administe r Aruba ClearPa ss for Network Access Control (NAC), authentication, authorization, and policy enforcemen t.Perform incident, problem, and change management activities in line with ITIL processe s.Conduct root cause analysis (RCA) and support continuous service improvemen t.Maintain accurate network documentation, diagrams, and configuration record s.Collaborate with crossfunctional teams, vendors, and stakeholders during transitions and BAU operation s. Technical Ski llsLAN & Data Center Network ingAruba LAN / Aruba Switch ingSTP, VLAN, VX LANSpineLeaf architect ureArista switch ing (preferr ed)Data Center networking conce ptsW LANAruba Wirel essAruba Cent ralInstant Access Points (I AP)Firewall & Secur ityPalo Alto Firewa llsNetwo rk zoning and segmentat ionNetwork Access Cont rolAruba ClearP assAuthentication and authorizat ionPolicy enforcem entProfiling and access cont rolExperience & Qualificati ons10–12 years of experience in Enterprise LAN/WLAN and Network Secur ity environments (flexible based on role leve l).Handson experience wi th Aruba LAN, Aruba Wireless, Palo Alto Firewalls, and ClearP a ss.Strong troubleshooting and analytical skil ls.Experience supporti ng global enterprise netwo rks is preferr ed.