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# Network Administrator

- **Company:** Tata Consultancy Services Limited
- **Location:** Blue Bell, PA, United States
- **Salary:** $85,000.0 - $95,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, User Authentication, Border Gateway Protocol, Catalyst (Software), IT Management, IP Address Management, Network Troubleshooting, Network Diagrams, Routing, Network Segmentation, Open Shortest Path First (OSPF), Overlay Transport Virtualization, TCP/IP, Virtual Local Area Networks, Software Vulnerability Management, Wireless Access Point, Wireless Networks, Identity Services Engine, Computer Network Technologies, Firewalls (Computer Science), Information Technology, Firepower, Firewall Services Module, Cisco
- **Published:** June 7, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=d47511dc298bce40

## About the Role

Do you have experience in Wireless Access Point implementation?, Do you have a Bachelor's degree?, * 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, * 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, Qualifications : BACHELOR OF COMPUTER SCIENCE

## Description

o IT/OT segmentation
o 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:

o Cisco LAN (Catalyst switches - L2/L3)
o Wireless (WLC, Access Points, RF troubleshooting)
o Firewalls (Cisco Firepower / ASA or equivalent)
o Cisco DNA Center (DNAC) - monitoring, assurance, compliance
o Cisco ISE - authentication, NAC, policy enforcement
o Proactively identify and fix network health and performance issues.
o Work closely with onsite OT/network plant teams for:

 * Plant network dependencies

 * Industrial connectivity issues

 * Change coordination impacting production

o Provide IT-side inputs for IT/OT segmentation and security.
o Perform OT Network troubleshooting
o Execute Network changes (configurations, upgrades, patching)
o Perform New deployments and site expansions
o Ensure Proper risk assessment and rollback planning
o Changes executed during approved windows
o Manage EOL/EOS tracking and remediation.
o Implement and maintain Network segmentation
o Firewall policies and secure access controls
o Vulnerability remediation and patching
o Security incident investigation
o Coordinate with OEM TAC (Cisco, firewall vendors)
o Create, Update and Maintain Network diagrams and configurations
o IP address management
o Create, Update and Maintain SOPs/runbooks
o Ensure accurate ITSM updates and audit compliance.
Generic Managerial Skills, If any


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