Principal Network Engineer

Date Posted

2026-07-06Country:

United States of America Location:

US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type:

Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type:

DoD Clearance: Secret Security Clearance Status:

Active and existing security clearance required on day 1 RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.

The following position is to join our RTX Enterprise Services team:

Principal Network Engineer

supporting RTX's Classified Network Services team, responsible for designing, administering, and securing enterprise LAN/WAN, data center, and firewall infrastructure across classified environments. The role supports critical collaboration and connectivity needs for Raytheon, Collins Aerospace, Pratt & Whitney, and U.S. government customers, with a primary work location in Tewksbury, MA.

What You Will Do

• Maintain, and upgrade (software/firmware/hardware) LAN/WAN components including routers, switches, firewalls.
• Monitor, analyze, troubleshoot, and optimize network system performance, proactive...