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# Sr Network Engineer

- **Company:** Cognizant Technology Solutions Corporation
- **Location:** Cambridge, MA, United States
- **Experience:** Expert
- **Salary:** $90,000.0 - $105,000.0
- **Contract:** Permanent contract
- **Skills:** Data Centers, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Network Security, Network Monitoring, Wide Area Networks, Network Routers, Load Balancing, System Availability, Firewalls (Computer Science), Juniper, Data Center Networking, Information Technology, Low Latency, Palo Alto Networks, Cisco
- **Published:** July 2, 2026
- **Apply:** https://dejobs.org/x/x/F9F57893773D4477A1826AA41027C915/job/

## About the Role

Applicants must be authorized to work in the US without sponsorship.

## Description

· Design, implement, and maintain enterprise LAN/WAN, wireless, and data center network infrastructure, ensuring high availability and performance.

· Configure and troubleshoot routers, switches, firewalls, and load balancers (Cisco, Juniper, Palo Alto, or similar) across multiple sites.

· Monitor network performance and capacity, proactively identifying and resolving issues to minimize downtime and latency.

· Manage network security controls including firewalls, VPNs, ACLs, and intrusion detection/prevention systems in line with company security policies.

· Lead network upgrade, migration, and expansion projects, including planning, testing, and documentation.

· Collaborate with cross-functional IT teams (systems, security, and application teams) to support infrastructure and business initiatives.

· Provide onsite hands-on support for hardware installations, cabling, data center operations, and incident response.

· Mentor junior network engineers and maintain up-to-date network documentation, diagrams, and standard operating procedures.


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