Senior Principal Lead Systems Engineer (Onsite)

Date Posted: 2026-10-06 Country: United States of America Location: US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928 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: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference 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. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Systems Engineering and Test Capabilities (SETC) organization is looking to hire a Senior Principal Systems Engineer to serve as the LRSO Production program Lead Systems Engineer (LSE). This role requires a technical leader who will ensure system compliance to contractual requirements, facilitate cross-disciplinary integration, and drive system-level production success. The successful candidate will act as a key technical resource across production, collaborating with internal teams, leadership, and external customers to deliver innovative production solutions aligned with program objectives. The Lead Systems Engineer (LSE) will work directly with the portfolio LSE as well as other LSEs within the Strike Initiatives portfolio as an apprentice. The LSE will be a member of the Office of the Chief Engineer. What You Will Do Communicate to Raytheon leadership to provide technical program status, accomplishments, issues, and help needed, while influencing the IPTs/CPTs to ensure appropriate and effective program alignment and teamwork. Provide guidance to multiple teams of multi-disciplined engineers in support of product development and production. Interact and coordinate with program stakeholders, including program customers, government organizations, industry partners, contractors, suppliers, and other stakeholders to influence and guide program development & production efforts. Rapidly assimilate and apply knowledge in varied and disparate technical fields to achieve balanced system performance. Accurately interpret internal and external customer requirements and objectives, effectively decomposing such into actionable direction to the Raytheon program team and stakeholders. Identify and mitigate both immediate and strategic risks by making decisions that balance required and desired technical capabilities against execution goals. Support the capture of new business and influence technical and product line roadmaps, ensuring they are reflected in program planning and execution Plan out and lead the incremental break-in of upgrades and system improvements Help drive positive change within the production environment as a key stakeholder in Failure Review Boards, FRACAS activities and other continuous improvement efforts Serve as the key source of system and product knowledge, including design, performance capabilities, and operational considerations. Support regular customer engagements, including weekly meetings with customer counterparts, as well as briefings with program leadership and Strategic Business Unit (SBU) leadership. Provide mentorship and technical guidance to early-career engineers, fostering their professional growth and development. Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience. Raytheon Level 4 (or higher) Certified Lead Systems Engineer Experience leading transition to production or production of complex system architectures Qualifications We Prefer An advanced degree in Engineering, Science, Mathematics, or related discipline Raytheon Level 3 (or higher) Certified Lead Systems Engineer 12 or more years of relevant work experience including prior experience in a technical leadership role and including experience across the development and production lifecycle Excellent communication, technical writing, oral presentation, and interpersonal skills Experience across the product lifecycle, including concept development, architecture, design, integration, verification, production; as well as with test/support equipment Ability to develop effective internal and external customer/stakeholder relationships to ensure customer/stakeholder satisfaction and continued business 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 Eligible – Relocation assistance is available Learn More & Apply Now! Please consider the following role type definition as you apply for this role. 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. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS) , 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: This position is an onsite role – Tucson, AZ: We Are RTX 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