Principal Network Engineer

Principal Network Engineer

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, proactively identifying and quickly resolving service impacting issues.
• Drive and/or participate in large projects in support of installation and/or improvement to voice, video, and network infrastructure.
• Produce, update and generally improve technical documentation to support security requirements and operational support of systems.
• Review systems vulnerability assessments to ensure compliance with recognized industry standards and best practices.

Qualifications You Must Have:

• Typically requires a University Degree or equivalent experience and a minimum of 5 years of experience, or an Advanced Degree and a minimum of 3 years of experience.
• Security Clearance: Candidate must possess an active DoD Secret clearance on Day 1 and maintain throughout employment and be potentially clearable through Top Secret.
• Have a DoD 8570 – IAT.Level III security certification (e.g CASP+ CE, CCNP Security, CISA, CISSP, GCED, GCIH, CCSP) or able to obtain one within 6 months of employment

Qualifications We Prefer:

• Experience as a Network Administrator in classified environments, supporting enterprise Cisco networking infrastructure.
• Hands-on experience with Cisco NGFW, Cisco ASA, Nexus/NX-OS, Palo Alto firewalls, and LAN/WAN routing and switching technologies.
• Experience with VPNs, HAIPE encryptors, ISE, CUCM/CMS, authentication services, network monitoring, vulnerability scanning, and network automation using Ansible or Python.