Senior Mechanical Engineer - Onsite | McKinney, TX

Date Posted:

2026-03-12

Country:

United States of America

Location:

US-TX-MCKINNEY-513PW ~ 2501 W University Dr ~ PW BLDG

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: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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 Test Equipment Engineering (TEE) Directorate is a multi-discipline organization responsible for developing test solutions for all Raytheon Missile Defense products. We are hands-on, designing with the latest technology and tools, and integrate state of the art test solutions with the most advanced engineering systems in the world. TEE products are located in engineering labs, in the field, and in production environments utilized for weapon system product verification, qualification, test data analysis, and production test solution development. TEE has job opportunities across all phases of the engineering lifecycle, including demonstrations, early engineering tests, design verification tests, production, and sustainment.

Test Equipment Engineering (TEE) is looking for Senior Mechanical Engineers to be responsible for designing, developing, documenting, and maintaining complex test environment systems for all Raytheon effector products. 

What You Will Do

• Research, plan, design and develop mechanical test systems in areas including vibration, thermal, hydraulic, radio frequency, and electro-optical

• Integrate and validate test systems against stringent accuracy and reliability requirements 

• Evaluate production installations and recommend design modifications to eliminate malfunctions 

Qualifications You Must Have

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM).

• Minimum of five (5) years of technical / engineering experience in mechanical design and/or production support .

• Minimum of three (3) years experience with CAD solid modeling tools and/or analysis tools with an emphasis on ProE / CREO Parametric.

• Experience with geometric dimensioning and tolerance (GD & T) analysis .

• US Citizen - 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.

• Ability to obtain Interim Secret U.S. government issued security clearance is required prior to start date. 

Qualifications We Prefer

• Design experience with mechanical and electronic packaging.

• Experience with Configuration Management processes, application, and tools (e.g., Windchill / cPDM).

• Experience in mechanical sub-systems packaging, materials, thermal analysis, structural analysis, control systems, electrical hardware design, or large assembly development.

• Experience with environmental stress screening of hardware (e.g., vibration, shock, thermal, etc.).

• Systems engineering experience.

• Experience with basic management approaches such as work scheduling, prioritizing, coaching less experienced professionals, and process execution.

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.

• This position offers relocation

Learn More & Apply Now

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

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