Sr. RF Design Engineer

Mini-Circuits designs, manufactures and distributes integrated circuits, modules, and sub-systems for high-performance radio frequency (RF) and microwave applications. With design, sales and manufacturing locations in over 30 countries, Mini-Circuits’ products are used in a range of wired and wireless communications applications. Our products are also used in detection, measurement and imaging applications, including military communication, guidance and electronic countermeasure systems, commercial, scientific, military land, sea and aircraft;

automotive systems, medical systems, and industrial test equipment.

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.

Position Summary:

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.

Salary Range: $165,000 - $185,000 per year

Job Function:

• 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.

Qualifications:

• 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.
• Str…