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Network Administrator

Job

Tata Consultancy Services Limited

Blue Bell, PA (In Person)

$90,000 Salary, Full-Time

Posted 2 weeks ago (Updated 2 days ago) • Actively hiring

Expires 7/23/2026

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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