Principal Systems Engineer – Section Responsible Systems Engineer

Date Posted: 2026-01-27

Country: United States of America

Location: US-AZ-TUCSON-808 ~ 1151 E Hermans Rd ~ BLDG 808

Position Role Type: Onsite

Security Clearance 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

About Raytheon

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.

About the Role

The Systems Engineering and Test Center (SETC) organization is currently hiring a Principal Systems Engineer – Section Responsible Systems Engineer to join our Tucson, AZ team in the Advanced Technology Effectors System Engineering Department. The SETC organization 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. Join our organization and experience the Systems V engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, chief engineers, chief technologists, the customer, and so many more to ensure we design, integrate, and strengthen our systems to work the first time and every time for our warfighters!

As a Principal Systems Engineer – Section Responsible Systems Engineer you will lead the effort to update and maintain all system and subsystem level requirements specifications and be the Systems technical lead ensuring all requirements are being assessed during Verification and Qualification testing. You will engage with the Systems and Hardware teams and Chief Engineer on a variety of program technical tasks. This role is fully Onsite in Tucson, AZ.

Responsibilities

• Lead effort to update and maintain all system and subsystem level requirements specifications
• SE technical lead for verification and validation efforts, ensuring all requirements are being assessed during Verification and Qualification Testing
• SE technical lead, working closely with the Systems and Hardware IPTLs and Chief Engineer on a variety of program technical tasks
• Lead Systems Verification Reviews with the Chief Engineer, Lead Systems Engineer, and Integrated Product Team Leadership
• Become the knowledgeable and 'go-to' Systems Engineer for the program
• Help to onboard new team members, mentor, and guide them using core Systems Engineering skills

Required Qualifications

• Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of eight (8) years of prior relevant experience
• Experience with at least one of the following: systems software, systems firmware, systems hardware, systems requirements, systems integration, and/or systems test
• Experience in test planning, verification of system requirements and/or system qualification
• Active and transferrable final U.S. government issued Secret security clearance is required prior to start date with the ability to obtain program access after start
• US citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred Qualifications

• Masters or PhD in Engineering, Computer Science, Math or Physics
• Top Secret Clearance
• Experience in the Defense Industry and specifically with military systems; tactics, techniques, and procedures, as well as Department of Defense customer infrastructure experience
• Experience using Agile framework development methods / processes
• Customer focus and collaboration skills
• Experience with performance analysis
• Experience with DOORS, Cameo and/or cPDM
• Understanding of the Systems Engineering Product Development Cycle
• Experience with Earned Value Management System (EVMS) or Cost Account Management (CAM)

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

Salary Range: 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.

Benefits:

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
• 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.

Additional Information

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.

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.

Equal Opportunity

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.

About RTX

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington.