Principal Systems Engineer - Agile Solution Train Engineer (Onsite)

Date Posted: 2026-05-19 Country: United States of America Location: US-AZ-TUCSON-810 ~ 1151 E Hermans Rd ~ BLDG 810 (External Site) 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 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 Systems Engineering and Test Capabilities (SETC) organization is looking to hire a Principal Systems Engineer, for the Effectors team, to serve as the ESSM Agile Solution Train Engineer to join our Tucson, AZ location. SETC is an exciting and challenging environment where you will have the opportunity to design, develop and partner with multi-disciplines to shape innovative solutions for our customers. As part of the ESSM program, you will be an integral part of helping Raytheon further our vision to be the global leader in core and next-generation weapon and security solutions. The Agile Solution Train Engineer (STE) is a leadership position that reports to program leadership. This person is responsible for steering the large-scale solution alignment and value delivery of large, complex solutions across multiple Agile Release Trains (ARTs) and shared services under the ESSM program. They are responsible for program execution, dependency management, risk management, and driving continuous improvement across the entire value stream in Scaled Agile practices. The STE is the facilitator and agile coach of program-level solution train events, execution, metrics and tools as they pertain to Agile Product Development, production and sustainment, recommending and implementing best practices. The STE works in close collaboration with ARTs, Release Train Engineers (RTE), Chief Product Owners, and shared services to ensure the coordination and facilitation of an established program cadence, ensure continuous value delivery, and drive continuous improvement. The STE must have lean-agile expertise and a strong understanding of scaling Lean-Agile in order to continuously maintain alignment of a large development, production and sustainment program. Together with the Office of the Chief Engineer, the STE manages and ensures that program technical execution delivers value iteratively and incrementally. The STE coaches all layers of the program organization in a long-term sustainable Lean-Agile culture. What You Will Do

• Manage and optimize the flow of value through the program using various tools, such as the Program and Value Stream Kanban and information radiators
• Maintain positive employee and team experiences by creating an environment that supports positive team health as well as providing guidance and management to ensure goals are met
• Assess and drive continuous improvement to the agility level of the program
• Utilize agile software development methods, automation, and continuous integration.
• Encourage team level and program level continuous integration and communities of practice around scaling Agile and Lean, and around Engineering and Quality Practices
• Coach and educate Leaders, Agile roles and teams in Lean-Agile culture, practices and mindsets
• Drive consistent collaboration across ARTs and value steams
• Work across leadership, engineering and shared services to help ensure strategy and execution alignment
• Responsible for effective incremental Program Planning execution including ensuring planning readiness by fostering the preparation of Vision and work item backlogs
• Aggregate the Team Program Increment objectives into Program Objectives and publish them for visibility and transparency
• Establish and communicate the annual calendars for the program cadence
• Ensure periodic synchronization meetings, at various levels of the Program
• Assist with the economic decision-making by facilitating capability estimation by teams
• Create program level retrospective improvement roadmaps by analyzing all activities and actions that have previously been performed and finding ways to improve each process.
• Measure and track program performance execution and Capability completion tracking
• Escalate and track program impediments
• Facilitate dependency resolution and help manage early risk identification and remediation
• Report status to Program management and release management
• Help structure program teams for effective program execution which may include providing input on resourcing to address critical bottlenecks
• Attend system demonstrations

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 working with multi-disciplinary technical and/or engineering teams
• Experience working in an Agile organization

Qualifications We Prefer

• Proven abilities as a technical leader developing work plans and driving program/team execution
• An advanced degree in Engineering, Science, Mathematics, or related discipline
• Prior experience as a Release Train Engineer, Value Stream Engineer, Scrum Master, Product Owner, Project or Program Manager
• Scaled Agile certification (eg. SAFe SPC) or other equivalent certifications
• Experience with Earned Value, Agile EV preferred
• Experience working in a multi-disciplined product development environment.
• Demonstrated mastery of Agile ALM tools such as Jira or Azure DevOps Server
• Able to network/influence both internal and externally to Engineering
• Understand and articulate the difference between "being Agile" and "doing Agile"
• Demonstrated ability to independently complete complex assignments and develop creative cross team area solutions

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 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 Raytheon