Principal Systems Engineer

Position Overview

Date Posted: 2026-02-11

Country: United States of America

Location: US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75

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: TS/SCI without Polygraph
• Security Clearance Status: Active and existing security clearance required on day 1

About the Role

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.

We have an exciting opportunity for a Principal Systems Engineer supporting one of our premier programs in the Space Intelligence, Surveillance, and Reconnaissance (SISR) business unit, where your knowledge with regards to requirements, architecture and design elaboration, system engineering analyses, script development, interface definition and control, will be put to good use. The work is on-site in Aurora, CO.

What You Will Do

• Analyze and define how the system works creating use cases
• Decompose requirements, define system interfaces and help determine how requirements will be validated and verified by the test team
• Provide engineering support for the execution of a portion of the programs test program including test processes and baseline definition and test architecture design
• Support regression testing across deliverable releases to the program baseline
• Support and attend technical reviews and technical interchanges in support of the program

Required Qualifications

• Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) in a related field and minimum 8 years of prior relevant experience
• Experience with systems engineering lifecycle, roles and functions, with specific experience in one or more of the following areas:
• Concept of Operations (Con Ops) development
  • Requirements definition and management
  • Functional analysis
  • Interface definition and control
• Experience on a government contract
• Experience with Agile principles, to include Agile systems engineering practices and/or Agile roles
• Active and transferable U.S. government issued TS/SCI is required prior to start date
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred Qualifications

• Experience in project domain (e.g., mission management ground systems, space-based ISR platforms)
• Experience working in an Agile development environment and with Agile development tools (e.g., Jira, Confluence, Bitbucket, etc.)
• Experience with MBSE tools (e.g., Cameo Systems Modeler)
• Experience with requirements management in DOORS or other requirements databases

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
• 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
• Annual short-term and/or long-term incentive compensation programs (depending on level and collective-bargaining agreement status; not guaranteed and dependent upon individual performance, business unit performance, and/or company performance)

Salary Range: $107,500 USD - $204,500 USD

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Additional Information

This position requires 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 US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

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 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.

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.

Equal Opportunity Statement

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, Virginia.