Senior Principal Software Engineer – Responsible Software Engineer

Date Posted: 2026-09-09 Country: United States of America Location: US-MA-WOBURN-WB1 ~ 235 Presidential Way ~ SPENCER BLDG 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference by solving the world’s most complex problems. With our three market-leading businesses, world-class operations, and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. The Missile Defense Sensors (MDS) software department within Raytheon is looking for a Senior Principal Software Engineer, Responsible Software Engineer for the Ground-Based Radar Digitization (GBRD) program. The department’s mission is to provide world-class Missile Defense and Surveillance Radar Software to be used in radar systems deployed on land and sea. Our software teams employ Agile Scrum and DevSecOps processes to rapidly design, code, and integrate capabilities on a continuous basis into a mature solution for our customers. We strive for technical excellence by drawing upon a workforce whose knowledge base covers the complete spectrum of modern computing languages and platforms. The candidate will be responsible for a team of software engineers. This position requires an understanding of Earned Value Management and the ability to coordinate activities across multiple, competing priorities. What You Will Do Manage subcontractors contributing to the software baseline, including agile planning, EV, cost, and schedule oversight. Manage the cost, schedule, and technical performance of the software team(s). Work closely with stakeholders to ensure team priorities are aligned with program execution and the software build plan. Manage SW CAM activities such as EV reporting, LRE preparations and analysis, BCR preparations, and Jira updates associated with processed BCRs. Support SW Risk and Opportunity identification, creation, management and execution. Software financial status reporting to PMO, USG, department, RTN Engineering and IPTs. EAC development and presentation to appropriate discipline levels. Coordination and execution of all new business development activities and new program baselining. Development, maintenance and communication of software staffing plans. Qualifications You Must Have Typically requires a bachelor’s in Science, Technology, Engineering or Mathematics (STEM) and 10 years or prior relevant experience unless prohibited by local laws/regulations. Experience with development frameworks such as Agile Scrum and SAFe. Experience with understanding of the integration of Agile and Earned Value (EV) Management. Experience with a DevOps framework for development using tools such as Jira, Confluence, Microsoft Azure, Jenkins, Coverity and/or other tools. The ability to obtain and maintain an interim Secret U.S. security clearance prior to the start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer RTX Earned Value Certification. Experience leading and mentoring agile software team(s). Experience with integration of Agile and Earned Value (EV) Management. Experience interfacing with customers and lead technical solutions with complex user requirements. Experience with development of monthly Latest Revised Estimates (LREs) and quarterly Estimates at Complete (EACs). Experience with oversight of cost, schedule and technical performance of one or more software team(s). Experience with Software Leadership and/or Software Architecture on complex, large scale systems or a related industry certification. Experience on XBR, AN/TPY-2, COBRA DANE, QEWR, UEWR, SRP or radar data processing domain knowledge. Experience with Software Development in a DoD environment. Experience with cost estimation and developing government technical proposals. Experience with Integrated Product Development System (IPDS) and/or Raytheon Lifecycle Program Management (RLPM). Experience working in a fast-paced, dynamic environment with time-critical requirements and competing priorities. Experience with communication, technical writing, oral presentation, and interpersonal skills. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligibility. Learn More & Apply Now Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA , an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 132,400 USD - 251,600 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. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms