Principal Systems Engineer

Date Posted:

2026-01-16

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:

Secret - Current

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 (SETC) 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. The Systems Engineering and Test Capabilities (SETC) organization is hiring a Principal Systems Engineer to join our Tucson, AZ location.

The position is located onsite in Tucson, AZ.

What You Will Do

• 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

• Support system performance analysis, test equipment, and Integration and Test

• 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

Responsibilities to Anticipate

• Perform integration, verification, and testing to ensure the system under test performs according to design, specs and/or requirements

• Perform data collection activities, including review and assessment of data elements, and provide detailed reports of results

• Trace and/or correct faults in mechanical or electronic systems. Familiarity with failure reporting, analysis, corrective action and/or fault tree analysis

• Create/modify documentation in support of reviews associated with formal testing, which include Test Readiness Review (TRR), Consent to Ship (CTS), and Test Data Review (TDR) packages

• Support field testing

• Communicate weekly with customer counterparts to status and coordinate missile builds and test events

• Coordinate across engineering functions to support missile builds, test support and data analysis.

Qualifications You Must Have

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

• Experience in Systems Engineering

• Experience on Air to ground Missile Systems

• Experience with Model-Based Systems Engineering and associated tools

• Experience working directly with customers

• Active and transferrable US 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

• Ability for program access

Qualifications We Prefer

• Experience managing and presenting technical data to Stakeholders and Customer community, in design reviews and technical interchange meetings.

• Technical leadership with capture/pursuit experience, including contribution or authoring of white papers, RFI responses, proposal of technical volumes, or related experience

• Test Systems design experience and collaborating across multiple engineering disciplines, such as electrical, electronics, mechanical, software, and computer engineering.

• Active Top Secret Clearance

• Good communication skills

• Self-starter and can work alone if needed

• Experience working Engineering and Manufacturing Development, Transition to Production and/or Production programs

• Prior experience being the Technical Point of Contact with the customer

• Prior Lead Engineer/LSE/IPT/PM or equivalent experience

• Prior test experience

• Previous CDRL delivery experience

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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