Senior Principal Systems Engineer – C3MS (Onsite)

<p><b>Date Posted:</b></p><span>2026-08-05 </span><p><b>Country:</b></p>United States of <span>America </span><p><b>Location:</b></p><span>US-DC-WASHINGTON-BOLLING</span> AFB-CUST ~ 2859 Defense Blvd ~ BOLLING AFB, Bay 14 (External <span>Site) </span><p><b>Position Role Type:</b></p><span>Onsite </span><p><b><span>U.S. Citizen, U.S. Person, or Immigration Status Requirements:</span> </b></p>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 <span>clearance​ </span><p><b>Security Clearance Type: </b></p>TS/SCI - <span>Current </span><p><b>Security Clearance Status: </b></p>Active and existing security clearance required on day 1<p></p><p></p><div><div><p></p><p><u><b>Senior Principal Systems Engineer</b></u> – C3MS (Onsite)</p><p></p><p><span>Raytheon Company, Managed by Collins <span>Aerospace    </span></span></p><p><span>  </span></p><p><span><span>Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and<span> </span></span><span>expertise</span><span><span> </span>to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market. You will be a member of a multi-disciplinary group of System,<span> </span></span><span>Hardware</span><span><span> </span>and Software Engineers. We are a growing business developing new products in an aggressive and competitive market. The<span> </span></span><span>new designs</span><span><span> </span>are exciting and technically challenging. </span></span><span> </span></p><p></p><p></p></div><div><p><span><span>The Integrated Platforms (IP) team is hiring a<span> </span></span><span>Systems Engineering position in Washington, DC (Anacostia) supporting the White House Communications Agency (WHCA). In this role, you will ensure the reliability, modernization, and mission readiness of the White House Secure Voice Network (WHSVN). You will provide<span> </span></span><span>full-</span><span>spectrum</span><span><span> </span>engineering support across secure voice systems, including planning, design, implementation, testing, documentation, and lifecycle management for both<span> </span></span><span>circuit </span><span>switched</span><span><span> </span>(TDM) and<span> </span></span><span>IP</span><span>based</span><span><span> </span>platforms.</span></span><span> </span></p></div><div><p></p><p></p><p><span><span>You will work directly with WHCA project managers and technical teams to<span> </span></span><span>acquire</span><span><span> </span>and deploy new capabilities, evaluate system performance, and support WHCA’s transition from legacy infrastructure to advanced secure IP voice solutions. This is a<span> </span></span><span>hands-</span><span>on</span><span>,<span> </span></span><span>mission </span><span>focused</span><span><span> </span>role integral to<span> </span></span><span>national </span><span>level</span><span><span> </span>Command and Control communications.</span></span><span> </span></p><p></p><p></p><p><span>This position requires: </span><b>US Government Department of Defense (DoD) Top Secret/SCI </b><b><span><span>with a current SSBI </span></span></b><b>Security Clearance Day 1</b><span>.  </span></p><p></p><p><b>Onsite: </b><span>This is an onsite role supporting our </span><b><span><span>Washington, DC (Anacostia)</span></span><span> </span></b> <span> location.</span></p></div><div><p><span> </span></p></div><div><p><b>Sign-on Bonus Eligible </b></p><p></p><p></p><p><b>What YOU will do:  </b></p><p><span> </span></p></div><div><ul><li><p><span><span>Provide engineering support for WHSVN projects, procurements, and system enhancements.</span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>Review existing system designs and develop updated technical solutions for both TDM and IP secure voice architectures.</span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>Develop and<span> </span></span><span>maintain</span><span><span> </span>system drawings, test procedures, and other engineering documentation.</span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>Support system integration activities, including site surveys, installation validation, and interoperability assessments.</span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>Provide</span><span><span> </span>configuration guidance and<span> </span></span><span>assist</span><span><span> </span>with required architecture or infrastructure modifications.</span></span><span> </span></p></li></ul></div><div><ul><li><p><span><span>Analyze technical requirements, create engineering plans, and manage work through WHCA’s ticketing and collaboration tools.</span></span><span> </span></p></li></ul></div><d