Sr Systems Engineer - Onsite

Date Posted: 2026-07-16 Country: United States of America Location: US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 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: TS/SCI Security Clearance Status: Active and existing security clearance required on day 1 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 Sr Systems Engineer supporting one of our premier programs where your knowledge with regards to requirements, architecture and design elaboration, system engineering analyses, script development, interface definition and control, and verification and validation will be put to good use. The work is on-site in Aurora, CO. What You Will Do Provide technical analyses and define how the system works using Model-Based Systems Engineering Decompose requirements, define system interfaces and help determine how requirements will be validated and verified by the test team Provide capability and feature designs to the software engineering team in support of agile development Provide engineering support for the execution of a portion of the program’s test program including test processes and baseline definition, test architecture design, verification, and validation Support regression testing across deliverable releases to the program baseline Support and attend technical reviews and technical interchanges in support of the program Active DOD TS to Start with Ability to Obtain Special Access Qualifications You Must Have Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience Experience of systems engineering lifecycle, roles and functions, with specific experience in one or more of the following areas: Concept of Operations (ConOps) development, requirements definition and management, functional analysis, interface definition and control, and/or verification and validation Experience on a government contract with experience in systems engineering or integration and test Active and transferable U.S. government issued DOD TS/SCI is required prior to start date. 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 and with Agile development tools (e.g., Jira, Confluence, Bitbucket, etc.) Experience in mission management ground systems Experience with MBSE tools (e.g., Cameo Systems Modeler) Experience with requirements management in DOORS or other requirements databases Experience developing and deploying SW in a cloud environment. Experience writing, running, and integrating automating tests with automated test tools as well as developing scripts in Python or Perl 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 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: Aurora, CO: 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 86,800 USD - 165,200 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms 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.