Principal Systems Engineer Int & Test – Automated Testing
RTX · aurora, Colorado ·
- Work mode
- Onsite
- Seniority
- Principal
- Category
- Software engineering
- Experience
- 8+ years
- Visa sponsorship
- No
- Company size
- 1000+
- Salary
- USD 107,500 – 204,500 / year
Principal Systems Engineer who designs, automates, and executes integration and test procedures for mission-critical ground systems, primarily using Python and DoD-cleared tooling in Aurora, CO.
Date Posted:
2026-07-17Country:
United States of AmericaLocation:
US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75Position Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
TS/SCI without PolygraphSecurity Clearance Status:
Active and existing security clearance required on day 1At 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.
We have an exciting opportunity for a Principal Systems Engineer Integration and Test - Automated Testing to support one of our premier programs. In this role, you will work with a cross-disciplinary team of engineers delivering advanced ground system solutions. As part of the Systems Integration and Test (SI&T) team, you will integrate, verify, and validate complex systems to ensure they meet performance, quality, and mission requirements. You will develop test plans and procedures, evaluate system functionality and interfaces, build and maintain test environments, analyze system performance, and collaborate closely with customers and cross-functional engineering teams to deliver reliable, mission-critical capabilities.
What You Will Do
Execute the program's test strategy, including test process development, baseline definition, test architecture, verification, and validation activities
Support full lifecycle integration and testing of real-time ground software systems, including software installation, test execution, regression testing, and root cause analysis
Collaborate with multidisciplinary and multi-vendor teams to integrate, validate, and verify software releases from upstream development teams
Support customer-led mission test events and system-level integration activities
Partner with Raytheon senior leadership, government customers, and technical subject matter experts to support system development, integration, and test execution
Contribute to Agile software development activities as part of a collaborative, cross-functional program team
Qualifications You Must Have
Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8+ years of prior relevant experience
Experience supporting software integration and/or test activities within a government software development program
Experience developing, executing, and integrating automated tests using automated test frameworks and tools
Experience developing scripts using Python and/or Perl
Active and transferrable U.S. government-issued DoD TS/SCI clearance is required prior to start date with the ability to obtain special program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Qualifications We Prefer
Experience working in an Agile development environment using tools such as Jira, Confluence, and Bitbucket
Experience with automated testing tools, including Cucumber
Experience developing and deploying software in cloud-based environments
Experience using Model-Based Systems Engineering (MBSE) tools, such as Cameo Systems Modeler
Experience with the systems engineering lifecycle, including one or more of the following: Concept of Operations (CONOPS) development, requirements management, functional analysis, interface definition and control, or verification and validation
Proficiency with Microsoft Office applications, including Word, Excel, and PowerPoint
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
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 U.S. Department of State website here: Security Clearance Information
Location: Aurora, CO: Raytheon Aurora Location Information
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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