Senior Mechanical Engineer

Date Posted:

2026-09-25

 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 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

What You Will Do

Perform mechanical design and documentation of antennas, RF Sensors, and supporting Electronics and Sub-systems.

Support existing production program(s) in maintaining high quality and on time delivery to our war fighters. This could involve engaging with suppliers for quality issues and obsolescence, design and development of test equipment, root cause investigation, etc.

Follow established procedures and instructions while working closely with program and functional leadership to ensure that overall design objectives are met.

Responsible for developing technical solutions to a wide range of complex problems.

Responsible for supervising the definitions of mechanical outline and construction details, connector selection and specification, mechanical and assembly drawings, and overseeing electrical layout and the technical data package.

Work with minimal direction or supervision, while exercising considerable latitude in determining the technical objectives of assignments

Frequent interaction with the IPTL, PM, and a multi-functional team.

Travel periodically to suppliers and other sites to support programs

Qualifications You Must Have

Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) degree or a minimum of 5 years’ prior relevant experience, to include any combination of the following:

Experience with the design and manufacturing of electronics packaging and/or test equipment for military and aerospace applications

Experience with GD&T, ANSI drawing standards and first order analysis techniques

Experience with PTC Creo MCAD software and drawing standards

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

An existing Secret or Top Secret security clearance

Six (6) or more years of industry experience in the design and test of electronics packaging for military and aerospace applications

Circuit Card Assembly (CCA) design and layout collaboration experience

Raytheon’s Airborne Sensor RF Design Department is seeking a Senior Principal Mechanical Engineer to work onsite at the McKinney, Texas location. The candidate will perform mechanical design, test, integration and documentation tasks for RF systems and sub-systems. The qualified candidate will have extensive engineering experience related to development, procurement and manufacture of critical assemblies, subassemblies and parts. The role requires a high level of execution expertise across multiple functions including engineering, operations, and supply chain coupled with the ability to lead a team of engineers who engage with the supply base. This role leads a team of engineers across multiple disciplines who work to ensure that our factories receive compliant material on schedule.

What You Will Do *

• •The candidate will follow established procedures and instructions while working closely with program and functional leadership to ensure that technical goals are met.
• •The candidate will be responsible for developing and implementing technical solutions to a wide range of complex problems.
• •The candidate will be also responsible for meeting cost, schedule, quality, and performance requirements for their work products.
• •Experience working with and directing suppliers is required.
• •Key expertise includes bid solicitation, contract negotiations, production support, and issue resolution.
• •Experience supporting international suppliers is a plus, as a key aspect of this role requires leading an international supplier of a critical mechanical assembly.
• •Experience working closely with Raytheon factories and coordinating internal and supplier production schedules such that suppliers deliver their material on time to meet production is also a plus.

Qualifications You Must Have *

• •Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience, or an Advanced Degree in a related field and minimum 7 years’ experience.
• •Experience with mechanical design and integration of RF systems or subsystems.
• •Experience with bid solicitation and contract negotiations
• •Experience leading or managing a team
• •Experience managing Suppliers

Qualifications We Prefer

• •Expert or mastery level knowledge of work area, typically obtained through advanced education combined with experience.
• •May have deep knowledge of project management. Advanced knowledge of related disciplines within work area and ability to identify links and potential impact on projects, programs or systems.

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.

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

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 o