Network Administrator

Senior Engineer

Must Have Technical/Functional Skills Enterprise IT Network •Cisco Switching: Catalyst (L2/L3) •Cisco Wireless: WLC, Access Points •Firewalls: Cisco Firepower / ASA (or equivalent) •Cisco DNA Center (DNAC) •Cisco ISE (NAC, authentication) Core Networking •TCP/IP, VLANs, VXLAN, •Routing (OSPF/BGP) •NAT, ACLs, segmentation OT Awareness (Good to Have) •Basic understanding of: oIT/OT segmentation oIndustrial environments oOT security concepts Roles & Responsibilities •Act as the primary SME for all IT network related incidents. •Perform end-to-end troubleshooting and resolution independently •Handle high-severity and production-impacting incidents with full ownership. •Perform deep root cause analysis (RCA) and implement permanent fixes. •Manage and support Enterprise IT Network: oCisco LAN (Catalyst switches – L2/L3) oWireless (WLC, Access Points, RF troubleshooting) oFirewalls (Cisco Firepower / ASA or equivalent) oCisco DNA Center (DNAC) – monitoring, assurance, compliance oCisco ISE – authentication, NAC, policy enforcement oProactively identify and fix network health and performance issues. oWork closely with onsite OT/network plant teams for: •Plant network dependencies •Industrial connectivity issues •Change coordination impacting production oProvide IT-side inputs for IT/OT segmentation and security. oPerform OT Network troubleshooting oExecute Network changes (configurations, upgrades, patching) oPerform New deployments and site expansions oEnsure Proper risk assessment and rollback planning oChanges executed during approved windows oManage EOL/EOS tracking and remediation. oImplement and maintain Network segmentation oFirewall policies and secure access controls oVulnerability remediation and patching oSecurity incident investigation oCoordinate with OEM TAC (Cisco, firewall vendors) oCreate, Update and Maintain Network diagrams and configurations oIP address management oCreate, Update and Maintain SOPs/runbooks oEnsure accurate ITSM updates and audit compliance. Generic Managerial Skills, If any •Strong ownership mindset and ability to work independently is critical •Excellent troubleshooting and analytical skills •Ability to handle production-critical situations under pressure •Clear communication with IT, OT, and business stakeholders •High discipline in documentation and change processes Base Salary Range : $85,000 to $95,000 Per Annum