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Title:  Sr. Engineer - RF

About Advanced Energy


Advanced Energy Industries, Inc. (NASDAQ: AEIS), enables design breakthroughs and drives growth for leading semiconductor and industrial customers. Our precision power and control technologies, along with our applications know-how, inspire close partnerships and innovation in thin-film and industrial manufacturing. We are proud of our rich heritage, award-winning technologies, and we value the talents and contributions of all Advanced Energy's employees worldwide.


Position Summary


Advanced Energy is currently seeking talented and experienced RF Engineers to join our world class RF Engineering team at our headquarters in Ft. Collins, CO. These key engineering roles lead projects in applied research, design, development, testing, and documentation of RF power products and systems, and work directly with customers to clearly define and understand equipment/system requirements to assure customer success.

Applicants have the rare opportunity to become an integral part of an experienced development team with a diverse technical background including expertise in Power Electronics Design, RF Design, Metrology, Control, and Physics. Candidates must work well in a team environment; both able to learn from, and give direction and mentorship to other engineers and engineering technicians. Ideal candidates are leaders with a passion to innovate enabling precision power products for our customer’s most critical processes.




RF Design Engineering Role

  • Class E and Class D Amplifier Design
    • Freq: 400 kHz,13.56 MHz, 27.12 – 100 MHz+
    • Power level: 500 W – 3 kW, 5 kW – 12 kW, 15 kW to 30 kW+
  • RF Design expertise including; Driver/Exciter, Combiner/Splitter, Measurement (V/I Sensor, Coupler), RF Layout, Filter Design and Impedance Matching
  • Proper selection of RF power devices and materials; RF FETs, Diodes, PCB, Magnetics


Overall Skills Required

  • Specialist in high power RF Design
  • Ability to solve complex technical problems independently
  • Circuit design and simulation with experience with finite element analysis, linear and non-linear network analysis: experience with key SW tools a plus: LTSpice®, Cadence®, Ansys EM Tools (HFSS, Q3D), Sonnet®, Agilent ADS and Momentum
  • General programing skills; Matlab® and or Python™
  • Schematic capture and PCBA layout (experience with Altium® Designer a plus)
  • Thermal management
  • Design for Reliability
  • Control loop design and theory
  • Power device design and selection: Si MOSFETs, SiC MOSFETS, GaN, LDMOS
  • Strong lab skills
    • RF instruments, power equipment, common electrical equipment
    • Hands-on lab skills in assembly and test
  • Team player and leader with a strong sense of urgency to meet product requirements schedule
  • Excellent Oral and written communication skills
  • Ability to clearly assess and manage risk




  • Minimum of 5 years experience designing RF power conversion products with increasing responsibility.
  • Successful design of products brought to market on time, on budget, and generating substantial revenue.





  • Bachelor’s degree in Electrical Engineering



  • Master’s degree in Electrical Engineering


Working Conditions


  • This position is located our Ft. Collins, Co office.
  • Travel required, approximately 5% (both domestic and international).

Nearest Major Market: Fort Collins
Nearest Secondary Market: Loveland