Network Administrator

Tata Consultancy Services; Center Square (PA); On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Discretionary Annual Incentive

Comprehensive Medical Coverage

401K Plan

Certification & Training Reimbursement

Vacation & Holidays

Job summary

Tata Consultancy Services, Blue Bell, PA, seeks an Engineer in Technology to serve as the primary IT network SME. You will troubleshoot and resolve production network issues, manage Cisco LAN/WLAN infrastructure, and coordinate with OT teams for plant connectivity and change management.

The role demands ownership, strong analytical skills, and clear communication with IT, OT, and business stakeholders. Onsite work in Blue Bell supports production networks and site expansions.

Qualifications

• SME for IT network incidents and end‑to‑end troubleshooting.
• Own production‑impacting incidents and drive permanent corrective actions.
• Maintain Cisco LAN infrastructure including Catalyst Layer 2/3 switches and wireless.

Responsibilities

• Act as primary SME for IT network incidents.
• Perform end‑to‑end troubleshooting and resolve network issues.
• Own high‑severity and production‑impacting incidents.
• Root cause analysis and implement permanent fixes.
• Maintain Cisco LAN and wireless infrastructure, including DNAC/ISE.
• Coordinate with OT/plant teams on dependencies and change coordination.
• Execute network changes, upgrades, and patching in approved windows.
• Support new deployments and site expansions.
• Track end‑of‑life and end‑of‑support for hardware/software.

Skills

Cisco Network

Strong ownership mindset

Troubleshooting

Analytical skills

Clear communication

Education

Bachelor of Computer Science

Tools

Cisco DNAC

Cisco ISE

Cisco Firepower

Cisco ASA

Catalyst switches

Job description

Must-Have Technical and Functional Skills

Enterprise IT Network

• Cisco switching: Catalyst (Layer 2/Layer 3)
• Cisco wireless: Wireless LAN Controllers (WLCs) and access points
• Firewalls: Cisco Firepower, Cisco ASA, or equivalent
• Cisco DNA Center (DNAC)
• Cisco Identity Services Engine (ISE): network access control and authentication

Core Networking

• TCP/IP, VLANs, and VXLAN
• Routing protocols, including OSPF and BGP
• NAT, access control lists (ACLs), and network segmentation

OT Awareness - Good to Have

Basic understanding of:

• IT/OT segmentation
• Industrial environments
• OT security concepts

Roles and Responsibilities

• Act as the primary subject‑matter expert for IT network‑related incidents.
• Perform end‑to‑end troubleshooting and independently resolve network issues.
• Take full ownership of high‑severity and production‑impacting incidents.
• Perform detailed root cause analysis and implement permanent corrective actions.
• Manage and support Cisco LAN infrastructure, including Catalyst Layer 2 and Layer 3 switches.
• Support wireless infrastructure, including WLCs, access points, and radio‑frequency troubleshooting.
• Support Cisco Firepower, Cisco ASA, or equivalent firewall platforms.
• Use Cisco DNA Center for monitoring, assurance, and compliance activities.
• Administer Cisco ISE authentication, network access control, and policy enforcement.
• Proactively identify and remediate network health and performance issues.
• Work with onsite OT and plant network teams on plant network dependencies, industrial connectivity issues, and production‑impacting change coordination.
• Provide IT‑side input for IT/OT segmentation and security.
• Collaborate with onsite OT and plant network teams to troubleshoot network issues affecting industrial connectivity.
• Execute network configuration changes, upgrades, and patching during approved change windows.
• Support new deployments and site expansions.
• Perform risk assessments and prepare rollback plans for network changes.
• Track hardware and software end‑of‑life and end‑of‑support status and coordinate remediation.
• Implement and maintain network segmentation, firewall policies, and secure access controls.
• Perform vulnerability remediation, patching, and security incident investigation.
• Coordinate technical support cases with Cisco TAC and other firewall vendors.
• Create, update, and maintain network diagrams, configuration records, IP address management data, SOPs, and runbooks.
• Maintain accurate IT service management records and support audit compliance.

Managerial Skills

• Strong ownership mindset and ability to work independently
• Excellent troubleshooting and analytical skills
• Ability to manage production‑critical situations under pressure
• Clear communication with IT, OT, and business stakeholders
• High discipline in documentation and change‑management processes.

Publication‑ready Job Description Page 2

Salary Range: $120,000 - $130,000 per year

TCS Employee Benefit and S ummary:

• 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.

Location

Blue Bell, PA

Function

TECHNOLOGY

Role

Engineer

ID

438210

Skills

Cisco Network

Salary Range

$120,000 - $130,000

Desired Candidate Profile

Qualifications

BACHELOR OF COMPUTER SCIENCE