Senior Systems Engineer (Onsite)

Date Posted: 2026-02-27

Country: United States of America

Location: US-TX-MCKINNEY-513WZ ~ 2501 W University Dr ~ WING Z BLDG

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​

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: Active and existing security clearance required after 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.

The Advanced Airborne RF Sensors department within the Space and Airborne Systems Engineering and Test Capability (SE&TC) Center is seeking a Systems Engineer to join our team in North Texas. As a Systems Engineer, you will play a critical role in the integration, testing, and verification of advanced hardware and software systems. You will ensure our products meet customer requirements and perform to expectations, from initial development through deployment and post-deployment support. This dynamic role offers the opportunity to collaborate across disciplines, solve complex challenges, and contribute to cutting-edge aerospace and defense technologies.

This is an Onsite role in McKinney, TX.

What You Will Do: Collaborate with hardware and software teams to develop test procedures and troubleshoot system level issues for RF and EW systems. Perform calibration and operation of phased array antennas within a laboratory test‑range environment. Support testing, validation, and integration activities for phased array antenna systems, RF sensor, and EW systems. Conduct modeling, simulation, and analysis to evaluate ES/EA system performance and inform design decisions. Create and execute test plans and procedures, evaluate system functions and interfaces, and verify system requirements in preparation for final system sell-off to the customer. Support production, system deployment, and post-deployment activities, ensuring product performance and reliability. Collaborate across hardware and software disciplines to identify and implement solutions to complex system challenges. Engage in Digital Transformation (DTx) efforts, leveraging methods and enabling technologies such as Model-Based Systems Engineering (MBSE) and Agile product development practices. Work alongside teams of engineers to support integration and testing efforts, ensuring seamless functionality of system components. Utilize laboratory equipment, including power supplies, oscilloscopes, and digital voltmeters. Test event support activity may require travel which is not expected to exceed 20%.

Qualifications You Must Have: Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics

(STEM preferred) and a minimum of 5 years of EW/Radar systems design and

requirements engineering experience. Diagnose and resolve electromagnetic interference (EMI) issues. Modeling and simulation for Electronic Warfare (EW) or radar systems. Experience with calibrating, operating, and supporting the integration of phased‑array or RF sensor systems.

Qualifications We Prefer Active DoD clearance with investigation within five years. Advanced degree in Science, Technology, Engineering or Mathematics (STEM preferred). Model Based Systems Engineering (Cameo Enterprise Architecture (SysML specifically), digital thread concepts, digital engineering, MBSE with DevSecOps). Antenna design and calibration experience Skilled in diagnosing and resolving electromagnetic interference (EMI) issues. Experience with modeling and simulation of EW or radar systems. Matlab/Simulink, DOORS, DNG, Cameo, Jira, and Confluence.

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

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. McKinney, Texas:

Raytheon North Texas Location

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.

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