New

Network Administrator

Tata Consultancy Services
$120,000 - $130,000
sick time, 401(k)
United States, Pennsylvania, Blue Bell
Nov 04, 2026
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 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. 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