Senior Mechanical Design Engineer

RTX (Raytheon); McKinney (TX); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

RTX (Raytheon) in McKinney, TX is seeking an established Mechanical Engineer to perform electro-mechanical assembly design and documentation on-site. You will coordinate with cross-functional teams and support manufacturing in McKinney, TX.

The role requires a BS in Mechanical/Aerospace or ABET-accredited equivalent, 5+ years of experience or 3+ years with an advanced degree, plus clearances. Strong CAD/GD&T skills and ability to travel up to 10% are essential.

Qualifications

• Bachelor's degree in Mechanical, Aerospace, or Equivalent Engineering from an ABET accredited university.
• Experience with PTC Creo Parametric or other mechanical CAD design tools for 3D modeling and 2D/3D drawing creation.
• Knowledge of Geometric Dimensioning and Tolerancing (GD&T) principles and their application.

Responsibilities

• Follow established procedures with program and functional leadership to meet design and production goals.
• Proficient experience with PTC Creo Parametric or other Solid Modeling tools.
• Apply GD&T principles to design documentation and fabrication.
• Work within a multi-disciplined team covering mechanical design, housing design, electronics packaging, and thermal management.
• Travel related to suppliers and other Raytheon facilities typically not exceeding 10%.

Skills

PTC Creo Parametric

GD&T

3D modeling

2D drawings

CAD design

Education

ABET-accredited degree in Mechanical/Aerospace or equivalent

Bachelor's degree in Mechanical or Aerospace Engineering

Tools

PTC Creo Parametric

Solid modeling tools

Job description

Date Posted: 2026-09-21

Country: United States of America

Location: US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C 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 Airborne Sensor RF Design Department is seeking an established Mechanical Engineer to fill an On-Site position in our McKinney, TX location. We are looking for self-starting candidates to perform mechanical design and documentation of electro-mechanical assemblies, coordinate with multi-functional design groups, and support our manufacturing facility in McKinney, TX.

What You Will Do:

• Follow established procedures and instructions while working closely with program and functional leadership to ensure the overall design and production goals are met.
• Have proficient experience with PTC Creo Parametric software or other Solid Modeling tools.
• Have a strong knowledge of Geometric Dimensioning and Tolerancing (GD&T) principles and their application for design documentation and fabrication.
• Work within a multi-disciplined team of engineers with responsibilities ranging aperture hardware design, housing design, electronics equipment packaging, circuit card assemblies, interconnects, and thermal management.
• Frequent interaction with the Integrated Program Team Lead (IPTL), Supply Chain, and other external personnel.
• Travel related to external suppliers and other Raytheon facilities typically does not exceed 10%.

Qualifications You Must Have:

Bachelor's degree in Mechanical, Aerospace, or Equivalent Engineering from an ABET accredited university and a minimum of 5 years of prior relevant experience, or an Advanced Degree in a related field and minimum 3 years' experience to include the following:

• Experience with PTC CREO Parametric or other mechanical CAD design tools both for 3D modeling and 2D/3D drawing creation.
• Experience with utilizing Geometric Dimensioning and Tolerancing principles.
• 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.

Qualifications We Prefer:

• Knowledge of electromechanical assemblies and the interrelationship of the components therein.
• Knowledge of aerostructure and fastener design.
• Knowledge of materials and fabrication methods.
• Knowledge of statistical concepts and how to apply them to development and production processes.
• Knowledge of engineering and scientific methods and tools to characterize behavior of products and processes.
• Knowledge of reading and creating mechanical fabrication and assembly drawings.
• Production support including the use of basic measurement tools.
• Ability to draft communications, create and deliver presentations.
• Able to work independently and as a team member.
• Experience in the support of design and integration of mechanical products and assemblies.
• Strong interpersonal and communication skills.
• Knowledge of coordinating Mechanical design with Electronic design.
• Ability to travel between North Texas sites and nationwide suppliers.
• Analytical and problem-solving skills.
• Ability to work in a multi-disciplined integrated product team.
• Familiarity with active electronically scanned antenna (AESA) design, test, and integration.

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

This position offers relocation based on candidate eligibility.

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

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 provide