Principal Hardware Design Engineer

Date Posted: 2026-09-17 Country: United States of America Location: US-TX-MCKINNEY-513WA ~ 2501 W University Dr ~ WING A 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.

As a Principal Hardware Design Engineer, you will play a key role in designing and developing advanced digital electronic systems that power next-generation aerospace and defense technologies. You will be involved in the complete hardware development lifecycle, from requirements definition and schematic design to testing, validation, and product deployment. This position is onsite in McKinney, TX.

What You Will Do

• Lead and contribute to all phases of the hardware development lifecycle, from concept through qualification and production.
• Design and develop digital electronic circuits and Circuit Card Assemblies (CCA) using schematic capture tools.
• Perform hardware verification, testing, and troubleshooting using engineering laboratory equipment.
• Partner with ECAD drafters through stack up definition, pre/post-route simulation (SI/PI), layout, and routing activities.
• Plan and execute integration and verification activities in engineering laboratories.
• Define schedules for circuit card and sub-system level tasking.
• Engage in personal technical growth and facilitate technical growth in peers and junior engineers.

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.
• Experience in Digital Electronics Design.
• Experience in Schematic Capture.
• Experience in Circuit Card Assembly (CCA) Design.
• Experience in Requirements Capture and Traceability.
• Experience across hardware development phases from requirements and design through integration, test, qualification, and production.

We Prefer

• Knowledge of aerospace or defense product development standards and processes.
• Experience with Design to Cost (DTC+), Design for Manufacturing (DFM), and Design for Test (DFT).
• Experience working on complex aerospace, defense, or safety-critical systems.
• Experience with Siemens EDA Xpedition Designer (Schematic Capture).
• Advanced knowledge of high-speed protocols, such as PCIe, Ethernet, and high-speed memory interfaces.
• Experience with performing circuit card assembly-level architecture trades, and/or with system-level power architecture trades.
• Experience with project management tools such as Earned Value and/or Agile Execution.
• Proposal development experience.
• Experience with intellectual property generation (patents & publications).

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.

• Parental (including paternal) leave
• Flexible work schedules
• Achievement awards
• Educational assistance
• Child/adult backup care

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.

• 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
• 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 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.

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:

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: #LI-TR1

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.

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.