Principal Kill Chain Analysis Lead Engineer/ Principal Systems Engineer (Onsite)

Company: RTX
Location: Tucson
Posted on: April 2, 2026

Job Description:

Date Posted: 2026-03-24 Country: United States of America Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 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: Top Secret Security Clearance Status: Active and existing security clearance required on day 1 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 Integrated Solutions, Modeling, and Architecture (ISMA) directorate assesses, develops, and evaluates solution architectures for our customers’ largest, most complex challenges across all the operational domains. In the Operations and Mission Analysis Department you’ll be part of a special team that analyzes the world’s most challenging threats and helps define new capabilities to counter them, pushing the boundaries of innovation, and leading the industry in operational modeling and simulation using our purpose-built software. As a team member in the Air Dominance Modeling and Analysis section, you will join a high-performing team of engineers working with high-fidelity sensors, platform, and weapon simulations to provide actionable analysis to the Department of Defense and the Warfighter. Raytheon is currently seeking a Principal Kill Chain Analysis Lead. This is an onsite role in Tucson, AZ, with the potential for occasional travel a few times a year. What You Will Do Lead a team of 2-4 Kill Chain analysts in designing and executing high-priority, time-critical kill chain analysis projects, including pre-flight analysis, post-flight reconstruction, and Verification and Validation of the Air Dominance Testbed (ADTB). Develop and maintain a project roadmap with Customers, Associate Contractors, and Technical Leads, outlining schedules and milestones for multi-vendor modeling, simulation, and analysis environment. Collaborate with Associate Contractors and Customers to align community capabilities and scope analysis projects appropriately. Coordinate with ADTB Software Leads to synchronize development schedules and work with vendors and Raytheon programs to define requirements and capabilities for distributed modeling and simulation support. Facilitate cross-domain engagement by working with various stakeholders to integrate capabilities and ensure smooth operations across domains. Support warfighters by creating actionable and timely analysis products through direct coordination. Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience. Experience analyzing data using modeling and simulation systems. Experience with any of the following of the following: Linux/UNIX, High Performance Computing, Git, SIMDIS, Air Dominance Testbed, Air Combat Evaluation Model, C++, Python Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer Specific majors: Computer Science, Computer/Electrical Engineering, Software Engineering, Mechanical Engineering, Aerospace Engineering, Mathematics, Applied Statistics, Statistics and Probability. Experience performing verification and validation of air combat flight simulations. Experience evaluating systems performance in complex environments Experience leading Operations Research activities Experience working in a team environment to develop creative and achievable solutions to complex technical, schedule, and cost problems. Active and transferable U.S. government issued TOP SECRET security clearance 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. Learn More & Apply Now! 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. Clearance Information: 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: https://www.state.gov/m/ds/clearances/c10978.htm This position is an onsite role - Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location 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 107,500 USD - 204,500 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

Keywords: RTX, Tucson , Principal Kill Chain Analysis Lead Engineer/ Principal Systems Engineer (Onsite), IT / Software / Systems , Tucson, Arizona