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Principal Mechanical Design Engineer

Job in McKinney, Collin County, Texas, 75069, USA
Listing for: Raytheon
Full Time position
Listed on 2026-10-08
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Systems Engineer
Job Description & How to Apply Below
Job d:
Posted Yesterday

Start Date:

Location:

US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDG Country:
United States of America Time Type:
Full time

Date Posted:

Country:

United States of America

Location:

US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D 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 RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

We have an exciting opportunity for a Mechanical Engineer to join our Airborne & Ground Optics Department in McKinney, Texas.  The responsibilities will include all aspects of the mechanical design process from concept to model/drawing completion for mechanical components required to support product builds working under the general supervision of a team lead.  Some assembly of your designs may be required.  

You will work closely with Chief Engineers, Lead Engineers and product engineers.  We are specifically seeking candidates who are hands-on, adaptable in a fast-paced environment, proactive, take ownership of work, communicate well with others, and enjoy solving unique problems every day.

This position is an onsite role working in our facility in McKinney, Texas.

What You Will Do Utilization of RTX tools including CREO modeling software and Product Data Management (PDM).Design and documentation support utilizing engineering tools, Adobe, and MS office suite.

Execution of engineering change and drawing release process.

Analytical and technical engineering work within a program environment with possible presentations on designs as needed.

Training with Raytheon processes and procedures.

Work may include participation in building hardware in a lab environment.

Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience or an advanced degree in a related field and minimum 5 years’ experience.

Experience in the design and prototyping of electromechanical systems.

Experience with 3D modeling software (CREO, Solid Works, or equivalent).Qualifications We Prefer Interpret engineering drawings, including knowledge, and understanding of tolerancing.

Experience developing and delivering presentations (verbal and/or written).

What We Offer A total rewards package that goes above and beyond with compensation; healthcare, wellness, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

Our values drive our actions, behaviors, and performance with a vision for a safer, more…
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