[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Tata Consultancy Services jobs](https://jobs.opennash.com/companies/tata-consultancy-services/) · [Search jobs](/search/) Tata Consultancy Services · Blue Bell, PA # Network Administrator Blue Bell, PA $85,000 to $95,000 Administrative Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since. [Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/416294J) [OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Network Administrator ## Job description 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: o IT/OT segmentation - Industrial environments o OT 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 - Cisco LAN (Catalyst switches – L2/L3) - Wireless (WLC, Access Points, RF troubleshooting) - Firewalls (Cisco Firepower / ASA or equivalent) - Cisco DNA Center (DNAC) – monitoring, assurance, compliance - Cisco ISE – authentication, NAC, policy enforcement - Proactively identify and fix network health and performance issues. - Work closely with onsite OT/network plant teams for: - Plant network dependencies - Industrial connectivity issues - Change coordination impacting production - Provide IT-side inputs for IT/OT segmentation and security. - Perform OT Network troubleshooting - Execute Network changes (configurations, upgrades, patching) - Perform New deployments and site expansions - Ensure Proper risk assessment and rollback planning - Changes executed during approved windows - Manage EOL/EOS tracking and remediation. - Implement and maintain Network segmentation - Firewall policies and secure access controls - Vulnerability remediation and patching - Security incident investigation - Coordinate with OEM TAC (Cisco, firewall vendors) - Create, Update and Maintain Network diagrams and configurations o IP address management - Create, Update and Maintain SOPs/runbooks - Ensure 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 TCS Employee Benefits Summary: Discretionary Annual Incentive. ### Comprehensive Medical Coverage Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. ### Family Support Maternal & Parental Leaves. ### Insurance Options Auto & Home Insurance, Identity Theft Protection. ### Convenience & Professional Growth Commuter Benefits & Certification & Training Reimbursement. ### Time Off Vacation, Time Off, Sick Leave & Holidays. ### Legal & Financial Assistance Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing. #LI-SV2 #LI-KUMARAN