Sr. RF Design Engineer

Mini-Circuits’ sells its products to over 20,000 customers globally through our direct sales force, applications engineering staff, sales representatives, as well as through our extensive website. 

We are seeking a highly skilled and motivated Senior RF Design Engineer to design and develop advanced RF and microwave systems, with a focus on high-power amplifier (HPA) and high-frequency (HF/mmWave) technologies. This role requires a strong theoretical background, hands-on design experience, and the ability to mentor junior engineers while driving innovation in products up to 67 GHz and beyond. 

• Lead the design, simulation, testing, and release of RF Power Amplifiers and high-frequency components (active and passive) for both catalog and custom applications.
• Develop and optimize RF circuits and systems, including power combiners/dividers, couplers, filters, protection and monitoring circuitry, and DC biasing networks.
• Utilize advanced simulation tools (ADS, AWR, HFSS, CST, Momentum) and CAD tools (OrCAD, AutoCAD) for schematic capture, layout, and modeling.
• Perform hands-on tuning, testing, and troubleshooting of RF hardware using spectrum/network analyzers, power meters, and other lab equipment.
• Collaborate with mechanical, manufacturing, and quality teams to ensure design for manufacturability and cost-effective production.
• Collaborate with program management team on project planning and execution, including milestone tracking, reporting, and cross-functional coordination.
• Author technical documentation, application notes, and contribute to technical publications and webinars.
• Support ISO audits, internal reviews, and continuous improvement of engineering processes. Support evaluation of components, materials & suppliers.
• Provide technical support directly to customers. Periodically travel to customer meetings.
• Demonstrates strong initiative and independent problem-solving skills.
• Ensure high-quality execution of RF design and development projects.

• Mentor junior technical staff.
• Actively participate in design review meetings.
• Provide technical vision and direction to ensure the development team is aligned with the strategy of the company.

• MSEE with minimum of 5 years’ related experience
• BSEE with minimum 10 years’ related experience.

• Minimum of 5 years’ relevant experience in RF and/or mmWave amplifier design including RF bench experience.
• Ability to “Lead from the Bench” junior designers with demonstrated hands-on bench skills in RF disciplines, including fine soldering of SMT components, RF measurements, calibration techniques, and rapid prototyping. Ability to create designs and solutions across a multitude of daily challenges and ability to encourage and lead others in the same creative spirit.
• Strong knowledge of circuit simulation concepts. Ability to merge theory with practice on the bench.
• Professional and positive approach, self-motivated, strong in building relationships, team player, dynamic, creative with the ability to work on own initiative.
• Demonstrated strong oral and written communication skills.
• Experience working for an ISO company that practices LEAN manufacturing.
• “Out of the box thinker” must be key driver willing to take innovative product risk while balancing the road map for on time deliverables.