Senior Principal Systems Engineer

Senior Principal Systems Engineer – C3MS (Onsite)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 expertise 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, Hardware and Software Engineers. We are a growing business developing new products in an aggressive and competitive market. The new designs are exciting and technically challenging.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.You will work directly with WHCA project managers and technical teams to acquire and deploy new capabilities, evaluate system performance, and support WHCA's transition from legacy infrastructure to advanced secure IP voice solutions. This is a hands-on, mission focused role integral to national level Command and Control communications.This position requires: US Government Department of Defense (DoD) Top Secret/SCI with a current SSBI Security Clearance Day 1.Onsite: This is an onsite role supporting our Washington, DC (Anacostia) location.Sign-on Bonus EligibleWhat YOU will do: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 experienceActive and transferable US Government Department of Defense (DoD) Top Secret/SCI with a current SSBI Security Clearance required prior to start dateAbility to obtain and maintain higher access and Special Access Program eligibilityU.S. Citizen - U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract3–5 years of experience supporting circuit switched and IP based systemsExperience with Command and Control Switching Systems on mission critical networksKnowledge of the Defense Red Switch Network (DRSN) through operational, testing, or engineering rolesExperience contributing to system accreditation efforts, including XACTA updates and RMF executionExperience configuring, installing, and validating encryption devices for secure deploymentCompliance with DoD 8140 Cyber Workforce Qualification requirementsQualifications 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.Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.What We Offer:Medical, dental, and vision insuranceThree weeks of vacation for newly hired employeesGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy optionTuition reimbursement programStudent Loan Repayment ProgramLife insurance and disability coverageOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protectionBirth, adoption, parental leave benefitsOvia Health, fertility, and family planningAdoption AssistanceAutism BenefitEmployee Assistance Plan, including up to 10 free counseling sessionsHealthy You Incentives, wellness rewards programDoctor on Demand, virtual doctor visitsBright Horizons, child and elder care servicesTeladoc Medical Experts, second opinion programEligible for relocation assistanceAnd more!The salary range for this role is 145,600 USD - 276,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.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.