Test Systems Engineer I

globalhr; Tucson (AZ); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

Relocation Eligibility

Job summary

RTX Test Solutions seeks a Systems Engineer to coordinate across engineering teams, define, design and document Test Environments, and derive requirements. You will apply MBSE methods to model subsystems, manage interfaces, and ensure robust test capabilities from component to system level.

Onsite in Tucson, you must be able to obtain a DoD Secret clearance. You will collaborate with SMEs, trace requirements, and refine test models to improve efficiency and reliability while supporting related

Qualifications

• Knowledge of MBSE views and modeling techniques.
• Experience deriving system requirements from stakeholders.
• Ability to coordinate across engineering disciplines.

Responsibilities

• Define and document test environment capabilities and requirements.
• Coordinate across engineering teams to ensure subsystem robustness.
• Manage requirements and traceability for test environments.

Skills

MBSE

System engineering

Requirements management

Education

Bachelor’s in STEM

Tools

Rational Rhapsody

Job description

Date Posted: 2026-10-06

Country: United States of America

Location: US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10

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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co‑ops and full‑time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

The Test Solutions organization includes all of the engineering disciplines responsible for systems design & test of all Raytheon products. Our engineers are responsible for all elements of the development lifecycle for test including: test requirements, test system design, advanced engineering prototyping technology, flight operations, environmental testing, and environmental characterization. We are hands‑on, designing with the latest technology and tools, and integrate state of the art test solutions with the most advanced engineering systems in the world.

What You Will Do

As a Systems Engineer, you are accountable to coordinate across all engineering teams to define, design, and document Test Environment capabilities and requirements.You must be a systems thinker, able to see the “big picture”, and have the in‑depth knowledge of development, production, User Operations, and embedded test process and practices.As a Test Systems Engineer, you will define and influence how prime hardware will be tested at every level (from component to All-Up-Round) to ensure robustness and efficiency.

• You will apply your knowledge of the subsystem andcollaboratewith other Engineering disciplines to developand implement the subsystem model using Model Based System Engineering tools and methods.

• Detail capabilities and derive requirements.

• Communicate test equipment needs and requirements to Test Equipment designers.

• Manage requirements and traceability.

• Leverage and apply reuse of Test Environment requirements and models to promote efficiency in test design and development.

• You will develop subsystem requirements, interfaces, behaviors, and architecture.

• You will interact with Technical SMEs as necessary to fully understand the subsystem including identifying and resolving issues and supporting related subsystem trades or analysis.

Qualifications You Must Have

• Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) with a minimum of one (1) year of experience directly related engineering experience

• The ability to obtain and maintain a US security clearance prior to the start date. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

• Knowledge of Systems Engineering standard views such as Block Definition Diagrams, Context Diagrams, Use Case Diagrams, Sequence Diagrams, and Activity Diagrams.

• Model Based Systems Engineering (MBSE) demonstrated experience with Model Based Engineering (MBE) tools, such as IBM Rational Manager/Rhapsody.

• Experience problem solving and debugging

• Experience with working with requirements and deriving needs from stakeholders

What We Offer

• Our values drive our actions, behaviours, performances with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

• Relocation Eligibility

Please ensure the role type defined below is appropriate for your needs before applying to 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 attendselect 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 57,200 USD - 108,800 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.