Network Administrator
Tata Consultancy Services · Blue Bell, PA · 1 mo ago
Information Technology$85k–$95k/yrFull-time
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 – L2/L3); Wireless (WLC, Access Points, RF troubleshooting); Firewalls (Cisco Firepower / ASA or equivalent); Cisco DNA Center (DNAC) – monitoring, assurance, compliance; Cisco ISE – authentication, NAC, policy enforcement.
- Proactively identify and fix network health and performance issues.
- Work closely with onsite OT/network plant teams for: Plant network dependencies; Industrial connectivity issues; Change coordination impacting production.
- Provide IT-side inputs for IT/OT segmentation and security.
- Perform OT Network troubleshooting.
- Execute Network changes (configurations, upgrades, patching).
- Perform New deployments and site expansions.
- Ensure Proper risk assessment and rollback planning.
- Changes executed during approved windows.
- Manage EOL/EOS tracking and remediation.
- Implement and maintain Network segmentation.
- Firewall policies and secure access controls.
- Vulnerability remediation and patching.
- Security incident investigation.
- Coordinate with OEM TAC (Cisco, firewall vendors).
- Create, Update and Maintain Network diagrams and configurations.
- IP address management.
- Create, Update and Maintain SOPs/runbooks.
- Ensure accurate ITSM updates and audit compliance.
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 IT/OT segmentation, Industrial environments, OT security concepts
- 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
Qualifications
BACHELOR OF COMPUTER SCIENCE
Benefits
- 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.
Pay
Base Salary Range : $85,000 to $95,000 Per Annum