Sr./Principal Engineer - Microwave Engineer RF

Bay Area, California
R&D Headquarters – Reactor & Development /
Full-time /
Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.

Diamond Foundry is seeking an individual with expertise in RF and microwave engineering to advance its state-of-the-art equipment used for diamond growth. This individual will be designing new high-power microwave systems and diagnostics to improve the efficiency and control of our reactors. The position requires a successful candidate to be onsite.


    • Architect new high power microwave components and systems, including high-power amplifiers as well as passive waveguide components.
    • Guide internal vs. external design decisions.
    • Develop microwave diagnostics for reactor health monitoring.


    • MSEE preferred, BSEE required with 5+ years of industry experience. 
    • A track record of creative problem-solving and successful delivery of new products and system designs.
    • Ability to architect a complete power amplifier design including analysis, component selection, circuit design, and board and system-level testing.
    • Hands-on experience with RF/microwave equipment used in the test of microwave components and amplifiers (VNAs, signal generators, diodes, load-pull measurements, etc.)
    • Proficiency in a full-wave electromagnetic design tool (HFSS, CST MWS, or COMSOL) and proficiency with other circuit design/layout tools.
$70,000 - $300,000 a year
Position is eligible for company shares. Actual compensation may be higher or lower in the range based on various factors, including, but not limited to a candidate’s job duties, experience, and expertise. We will also consider higher level candidates and salary will be adjusted accordingly.
Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. We provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Perks include employee discounts to VRAI. All benefits offered are available starting your first day.  

Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.

Diamond Foundry Inc. is committed to operating in full compliance with all applicable state and federal laws. Our commitment extends to ensuring that our manufacturing and engineering departments adhere to the highest standards of legal and regulatory compliance. Additionally, these departments may have specific physical requirements to ensure the safety and efficiency of our operations. We prioritize the well-being of our employees and strive to create a work environment that promotes both legal compliance and the optimal functioning of our manufacturing and engineering processes.

Manufacturing and Engineering Departments Physical Requirements:
-Use appropriate PPE and follow all safety policies, practices, and procedures.
-This position will often: Sit, stand for long periods, walk, grasp, reach with hands and arms, lift below and above shoulders, bend, twist at the waist,  climb, balance, stoop, squat,  kneel, crawl, talk, hear, see, use fine finger manipulation, and complete repetitive motions. 
-Some tasks may require the use of ladders or stairs
-Some tasks may require driving or the use of foot controls
-Lift/carry and push/pull up to 50 pound

This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment.
Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9.