Network Administrator

Tata Consultancy Services Ltd
  • Blue Bell, PA
  • $120,000–$130,000 Per Year
10 days ago

Job Description

Role: Engineer

Required Skills: Cisco Network

Qualification: BACHELOR OF COMPUTER SCIENCE

Experience: 8 - 15 Years

Function: TECHNOLOGY

Apply By: 2027-01-01

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

Publication-ready Job Description Page 2

  • 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.

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.

Numbers & Facts

LocationBlue Bell, PA
Salary$120,000–$130,000 Per Year

Skills

  • Access Controlunmatched
  • Address Managementunmatched
  • Analysis Skillsunmatched
  • Authenticationunmatched
  • BGPunmatched
  • Cisco ASA (Adaptive Security Appliance)unmatched
  • Cisco Catalyst Switchesunmatched
  • Cisco Network Systemsunmatched
  • Cisco Switchesunmatched
  • Communication Skillsunmatched
  • Computer Scienceunmatched
  • Computer Securityunmatched
  • Corrective Actionunmatched
  • DNAunmatched
  • Document Change Managementunmatched
  • Firewallsunmatched
  • IT Service Management (ITSM)unmatched
  • Identify Issuesunmatched
  • Intellectual Property (IP)unmatched
  • Layer 2 Switchingunmatched
  • Layer 3 Switchingunmatched
  • Legalunmatched
  • Loan Fundingunmatched
  • Local Area Network (LAN)unmatched
  • Maintain Complianceunmatched
  • NAT (Network Address Translation)unmatched
  • Network Access Control (NAC)unmatched
  • Network Administration/Managementunmatched
  • Network Configuration Managementunmatched
  • Network Performance/Analysisunmatched
  • Open Shortest Path First Protocol (OSPF)unmatched
  • Problem Solving Skillsunmatched
  • Production Managementunmatched
  • Radio Frequencyunmatched
  • Records Managementunmatched
  • Risk Analysisunmatched
  • Root Cause Analysisunmatched
  • Routing Protocolsunmatched
  • Security Patchesunmatched
  • Software Patchesunmatched
  • Standard Operating Procedures (SOP)unmatched
  • Student Loansunmatched
  • TCP/IP (Transmission Control Protocol/Internet Protocol)unmatched
  • Technical Leadershipunmatched
  • Technical Supportunmatched
  • VLAN (Virtual Local Area Network)unmatched
  • Wireless Communicationsunmatched
  • Wireless LANunmatched

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