MST Principle Systems Engineer

Date Posted:

2026-05-21

Country:

United States of America

Location:

US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020

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:

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.

Systems Engineering & Test Capabilities (SE&TC) integrates, verifies, and validates our products. We put our systems together, exercise them in the lab or in the field, measure and analyze performance, and make sure our products work the first time and every time. To accomplish this, we develop plans and procedures, debug and evaluate system functions and interfaces, develop test environments, and work together with our customers.

Maritime Strike Tomahawk is a highly dynamic development program in which you will be contributing directly to the requirements development and decomposition of complex subsystems as well as developing the verification approach. As a Systems Engineer you will collaborate with other Engineering disciplines to help define requirements, interfaces, subsystem behavior, and subsystems integration into the overall system. You will be responsible for developing and maintaining SE Artifacts. This role will see a wide spectrum of the development lifecycle from requirement development, qualification/verification, and fleet deployment support. Additionally, this role will include Control Account Manager (CAM) duties. As the CAM, you will be directly accountable for the detailed planning, scheduling, and budgeting of the authorized scope of work for each assigned Control Account. This position is on site; no remote work is available.

What You Will Do

• Earned Value Management (EVM): Monitoring and reporting on earned value, cost performance, and schedule adherence to ensure project objectives are met. Plan and track tasks and milestones within an Integrated Master Schedule

• Develop, maintain, and improve system and subsystem requirements, interfaces, behaviors and architecture

• Perform requirements flow down / allocation and traceability along with development of the Requirements Verification Matrix

• Utilize a variety of enabling technologies such as Cameo Model Based Systems Engineering and DOORS for Requirement Management

• Facilitate technical discussions with Subject Matter Experts (SMEs) across multiple engineering disciplines to identify and formulate plans of action, trades or analysis

Qualifications You Must Have

• Typically requires a Bachelor’s Degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline, and a minimum of eight (8) years of prior relevant experience.

• Experience writing, decomposing and tracing requirements, and/or performing trade studies to optimize system performance

• Experience with military systems; tactics, techniques, and procedures along with DoD customer infrastructure experience

• Experience with Systems Engineering Product Development Cycle

• Experience with system safety, reliability, and configuration management

• 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

Qualifications We Prefer

• Experience collaboration and working effectively with other functional groups

• Experience in generation and presentation of documentation to internal & USG stakeholders.

• Software integration experience at the missile level

• Strong collaboration skills with a focus on working effectively with other functional groups

• Hardware integration experience at the missile level

• Test plan and procedure generation for missile level test events

• Missile level troubleshooting experience

• Experience preparing for and coordinating the shipment of significant test equipment

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 available for this position

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

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.

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Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.