Enterprise Network Administrator | Cisco & Security

Tata Consultancy Services; Center Square (PA); On-site; USD 85,000 - 95,000; Full time

Benefits offered by this job

Discretionary Annual Incentive

Medical Coverage

Family Leave

401K Plan

Training Reimbursement

Vacation & Holidays

Job summary

Tata Consultancy Services in Center Square, PA is seeking an IT Network Subject Matter Expert to lead end-to-end troubleshooting across enterprise LAN, wireless, and security infrastructure. You will own incidents, perform RCA, and implement permanent fixes while coordinating with OT teams.

The role focuses on Cisco Catalyst, WLC, Firepower/ASA, DNAC, and ISE, with emphasis on networking health, security, and site deployments. Base salary ranges apply and the position is on-site.

Qualifications

• Act as SME for IT network incidents and drive rapid resolutions.
• Perform end-to-end troubleshooting and resolution with full ownership.
• Support Enterprise IT Network including LAN, Wireless, Firewalls, DNAC and ISE.
• Understand IT/OT segmentation and security concepts and apply them.

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), Wireless (WLC, APs), Firewalls (Cisco Firepower/ASA), DNAC, ISE.
• Proactively identify and fix network health and performance issues.
• Coordinate with OT teams for plant network dependencies and changes.
• Execute network changes, deployments and site expansions, with proper risk assessment.

Skills

TCP/IP

VLANs

VXLAN

Routing (OSPF/BGP)

NAT/ACLs

Education

Bachelor of Computer Science

Tools

Cisco Catalyst switches

Cisco WLC (Wireless LAN Controller)

Cisco Firepower/ASA

Cisco DNAC

Cisco ISE

Job description

Tata Consultancy Services in Center Square, PA is seeking an IT Network Subject Matter Expert to lead end-to-end troubleshooting across enterprise LAN, wireless, and security infrastructure. You will own incidents, perform RCA, and implement permanent fixes while coordinating with OT teams.

The role focuses on Cisco Catalyst, WLC, Firepower/ASA, DNAC, and ISE, with emphasis on networking health, security, and site deployments. Base salary ranges apply and the position is on-site.