Senior MMIC Design Engineer

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

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Short-term disability

Long-term disability

401(k) match

Flexible spending accounts

Paid time off

Holidays

Job summary

RTX in McKinney, TX is seeking a Senior MMIC Design Engineer in our Microelectronics Department. You will lead end-to-end MMIC development for GaN/GaAs/CMOS devices, from technology selection to layout and testing, on-site.

The role requires 5+ years in MMIC design and testing, proficiency with Keysight ADS and EM tools HFSS/Momentum, and the ability to obtain a DoD security clearance. RTX offers competitive benefits and an innovative, collaborative environment.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM).
• Minimum 5 years of MMIC design and/or test experience.
• Experience with Keysight ADS and EM tools HFSS, Momentum.
• Experience designing GaN, GaAs, and/or CMOS MMICs.
• Ability to obtain and maintain a U.S. government security clearance (citizenship required).

Responsibilities

• Own all aspects of MMIC development from topology to layout and test.
• Collaborate with MMIC engineers to improve processes and first-pass success.
• Participate in design reviews and document decisions to ensure high-quality outputs.

Skills

MMIC design

ADS

HFSS

Momentum

GaN/GaAs/CMOS MMICs

Microwave/mm-wave testing

Security clearance

US citizenship

Education

STEM degree

Tools

Keysight ADS

HFSS

Momentum

Job description

Date Posted: 2026-10-23

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 andmaintaina U.S. government issued security clearance post-start isrequired. U.S. citizenship isrequired, 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.

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