Senior MMIC Design Engineer

Prattwhitney; McKinney (TX); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Flexible schedules

Paid holidays

Job summary

Raytheon’s Microelectronics Department is seeking a Senior MMIC Design Engineer to lead the complete MMIC development cycle. You will work on GaN/GaAs/CMOS MMICs, from technology node selection to layout, testing, and interfacing with internal customers.

The role requires 5+ years in MMIC design, experience with Keysight ADS, HFSS, Momentum, and a U.S. security clearance. You’ll collaborate across teams to ensure design integrity and performance across platforms.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM).
• A minimum of 5 years related experience in MMIC Design and/or Test.
• Experience with GaN, GaAs, and/or CMOS MMICs; experience in microwave/mm-wave tests in the lab.

Responsibilities

• Own all aspects of the MMIC development process including RF/DC topology selection, layout, test, and verification.
• Collaborate with MMIC engineers to share lessons learned and improve the development process.
• Participate in design reviews and document decisions to ensure high-quality outputs.

Skills

MMIC design

RF topology

GaN/GaAs/CMOS MMICs

Keysight ADS

HFSS

Momentum

Test & measurement

Security clearance

Education

Bachelor's in EE or related field

Master's/PhD preferred

Tools

Keysight ADS

HFSS

Momentum

Job description

Date Posted: 2026-08-17 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 Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.

Job Summary

An opportunity exists for a Senior MMIC Design Engineer to join the Microelectronics Department at Raytheon. Our team designs custom integrated circuits from DC-100GHz that enable world class system performance across all platforms. The successful candidate will have experience in MMIC design of functions such as HPAs, LNAs, PSAs, TDUs, or High power switches in GaN, GaAs, or CMOS. The candidate will be responsible for the complete development cycle of the MMIC, including selection of the technology node, RF and DC topology, layout, test, evaluation, and interfacing with the internal customer. The work is focused on Gallium Nitride and Gallium Arsenide integrated circuit development, however, experience in CMOS is a plus.

What You Will Do

• Assume responsibility for all aspects of the MMIC development process including RF and DC topology choices to optimize performance, analysis and documentation of performance, layout, submission to the foundry, and verification to specifications.
• Collaborate with other MMIC engineers to share lessons-learned, grow the team’s knowledge base, improve the MMIC development process and increase first-pass successes.
• Participate in rigorous and systematic design reviews and documentation of design decisions to ensure work outputs are of high quality and will function as simulated.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM)
• A minimum of 5 years related experience in MMIC Design and/or Test
• Experience with Keysight ADS and in EM tools such as HFSS, Momentum
• Experience designing GaN, GaAs, and/or CMOS MMICs
• Experience in performing microwave and mm-wave tests in the laboratory
• The ability to obtain and maintain a U.S. government issued security clearance post-start is required.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Master’s or PhD in Electrical Engineering or related engineering curriculum
• Excellent communication skills and desire to work in a team environment
• Experience with prioritizing and contributing to multiple tasks at the same time

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.
• 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 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.

Privacy Policy and Terms: Click on this link to read the Policy and Terms 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.