Principal Electrical Engineer Firmware and Controls

Date Posted:

2026-09-21



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:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.



Security Clearance Type:

None/Not Required



Security Clearance Status:

Not Required

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.

This position is onsite in our McKinney, TX location.

What You Will Do

• Collaborate with a multi-disciplinary electrical engineering and hardware design team, with the primary objective of creating firmware solutions for new design hardware and new design controls architectures.

• Architect and implement controls solutions with requirements and algorithms defined by subject matter experts (SMEs) in a laboratory environment.

• Simulate, implement, test, and troubleshoot firmware updates, support design reviews, and perform as an integrator of the firmware on controls systems.

• Work in the product development team environment with systems, mechanical, and software engineers.

• Architect solutions for new business pursuits or new design systems is required.

• This position may require occasional business-related travel.

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 with hardware development and/or integration and a minimum of 6 yrs of experience in FPGA Logic design and verification.
• Experience in testing products using FPGA debugging tools (such as Xilinx/AMD Vivado).
• Experience with interfaces and bus standards such as:  PCIe &10/100 Gb Ethernet/Multi-gigabit serial standards (e.g. Aurora, RoCE, RIO).
• Experience designing with Xilinx and/or Altera FPGA/SoCs.
  • Zynq, Kintex/Virtex Ultrascale and newer.
• Experience with architect control systems including:
  • Translation of system level requirements into a hardware baseline.
  • Collaborate with technical subject matter experts to establish new architectures.
  • Implement algorithm description documents (ADDs) within the hardware.
  • Generate block diagrams and state machines of control systems.
• Experience hardware integration
  • Early design phases with development FPGA boards.
  • Transition from development hardware to tactical hardware.
  • Collaborating with hardware and software teams in a lab and/or scrum environment.

Qualifications We Prefer

• MATLAB and Simulink w/ HDL Coder.
• Experience in low volume, high complexity development environments.
• Experience designing FPGAs, SoC’s and real-time microcontrollers.
• Multi-Gigabit transceivers, DDR and flash memories.
• Experience with GigE Vision/ HD-SDI, CoaXpress, Aurora, and/or CameraLink.
• Background in Sensor and Read Out IC.
• Experience working on Agile Teams using JIRA.
• Knowledge of control systems such as:
  • PID controllers.
  • PWM drive loops.
  • Applied non-linear controls.

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 connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, Innovation, and Safety.
• Relocation assistance available.

Learn More & Apply Now!

• 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 

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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 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 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.

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