Senior Principal Systems Engineer - C3MS (Onsite)

Senior Principal Systems Engineer – C3MS (Onsite) Raytheon Company, Managed by Collins Aerospace. Location: US-DC-WASHINGTON-BOLLING AFB-CUST ~ 2859 Defense Blvd ~ BOLLING AFB, Bay 14 (External Site) Date Posted: 2026-06-11 Country: United States of America 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. Security Clearance Type: DoD Clearance: TS/SCI Security Clearance Status: Active and existing security clearance required on day 1 Overview The Integrated Platforms (IP) team is hiring a 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 full-spectrum engineering support across secure voice systems, including planning, design, implementation, testing, documentation, and lifecycle management for both circuit switched (TDM) and IP-based platforms. Responsibilities Provide engineering support for WHSVN projects, procurements, and system enhancements. Review existing system designs and develop updated technical solutions for both TDM and IP secure voice architectures. Develop and maintain system drawings, test procedures, and other engineering documentation. Support system integration activities, including site surveys, installation validation, and interoperability assessments. Provide configuration guidance and assist with required architecture or infrastructure modifications. Analyze technical requirements, create engineering plans, and manage work through WHCA’s ticketing and collaboration tools. Participate in program reviews, audits, and technical meetings, offering recommendations to improve system performance and support modernization efforts. Produce design guidance, network depictions, and migration plans for full WHSVN implementation. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience. Active and transferable US Government Department of Defense (DoD) Top Secret/SCI with a current SSBI Security Clearance required prior to start date. Ability to obtain and maintain higher access and Special Access Program eligibility. U.S. Citizen. 3–5 years of experience supporting circuit switched and IP-based systems. Experience with Command and Control Switching Systems on mission critical networks. Knowledge of the Defense Red Switch Network (DRSN) through operational, testing, or engineering roles. Experience contributing to system accreditation efforts, including XACTA updates and RMF execution. Experience configuring, installing, and validating encryption devices for secure deployment. Compliance with DoD 8140 Cyber Workforce Qualification requirements. Qualifications We Prefer Experience supporting secure voice or Command and Control systems in mission critical environments. Experience modernizing legacy TDM systems and deploying secure IP-based voice solutions. Experience with system interoperability testing, lab validation, and technical risk assessment. Ability to produce comprehensive engineering documentation such as system diagrams, test plans, and lifecycle planning materials. Familiarity with WHCA environments, DRSN architectures, or DoD enterprise communications systems. Experience supporting RMF compliance in collaboration with ISSO/ISSM personnel. Experience coordinating with facility teams on power, cooling, and physical infrastructure requirements. Strong skills in managing complex technical tasks, maintaining accurate records, and communicating with government stakeholders. Benefits Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan with employer matching Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Additional optional coverages Birth, adoption, parental leave benefits Employee Assistance Plan with counseling sessions And more. Compensation The salary range for this role is 145,600 USD - 276,800 USD. Relocation Relocation assistance may be provided. Equal Opportunity Employer RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr Collins Aerospace