Principal Opto-Mechanical Design Engineer

RTX; McKinney (TX); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Relocation assistance

Comprehensive benefits package

Job summary

RTX Corporation in McKinney, TX is hiring a Mechanical Engineer for the Airborne & Ground Optics team. You will shepherd mechanical design from concept through model/drawings, collaborating with chief and product engineers in a fast-paced, onsite setting.

You will use CREO, PDM, and be involved in engineering change and drawing release processes. A STEM degree with 8+ years experience (or an advanced degree with 5+ years) plus 3D modeling skills is required; security clearance is essential for

Qualifications

• Typically requires STEM degree and 8+ years experience or an advanced degree with 5+ years experience.
• Experience in design and prototyping of electromechanical systems.
• Experience with 3D modeling software (CREO, SolidWorks, or equivalent).
• Experience planning, directing and coordinating tasks or small projects with multiple contributors.

Responsibilities

• Utilize RTX tools including CREO modeling and PDM for design and documentation.
• Provide design and documentation support using engineering tools, Adobe, and MS Office.
• Execute engineering change and drawing release processes.
• Perform analytical/technical engineering work within a program environment; present designs as needed.
• May participate in building hardware in a lab environment.
• Train on Raytheon processes and procedures.

Skills

Electromechanical design

Project coordination

Communication skills

Leadership experience

Adapting in fast-paced environments

Education

STEM degree (bachelor or higher)

Advanced degree (preferred)

Tools

CREO

SolidWorks

Adobe

MS Office

PDM

Job description

Date Posted: 2026-10-20 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

Company Overview

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.

Position Summary

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.
• Train on 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, SolidWorks, or equivalent).
• Experience planning, directing, and coordinating tasks or small projects involving multiple individual contributors.

Qualifications We Prefer

• Team leadership experience.
• Ability to interpret engineering drawings, including knowledge, and understanding of tolerancing.
• Experience developing and delivering presentations (verbal and/or written).
• Organization, coordination, planning, teaming skills, as well as written and oral communication skills.

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.

At RTX we value: Trust, Respect, Accountability, Collaboration, Innovation, and Safety.

• Relocation assistance available.
• 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.

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 onsite work in McKinney, TX: North Texas: https://careers.rtx.com/global/en/raytheon-north-texas-location

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: https://www.state.gov/m/ds/clearances/c10978.htm #LI-TR1 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 107,500 USD - 204,500 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 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.

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.