Network Administrator
Tata Consultancy Services· enterprise· Oct 19, 2026 · 9d ago
Blue Bell, PA
In office
Full-time
$85K–$95K
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
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
• 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
</div
Application prep
Use the role’s language and application details while tailoring your materials.
- Platform
- careers-page
- Effort
- medium
Benefits
Benefits detected in the listing.
Dental
Vision
401k
Parental Leave