Senior RF Engineer

Molex; Concord (NH); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

Paid vacation/time off

Educational assistance

Job summary

Molex is seeking a Senior RF Engineer to join our Engineering team in Concord, NH. In this role, you will lead the design and development of advanced RF circuits for various applications, ensuring top performance through rigorous testing and validation processes.

The ideal candidate will have over 10 years of hands-on experience in RF design and a proven track record of delivering high-performance products. You will also mentor junior engineers and collaborate with cross-functional teams.

We offer a competitive salary between $120,000 and $180,000 per year, plus a robust benefits package that includes medical, dental, and paid time off.

Qualifications

• 10+ years of hands-on experience in RF design, simulation, and testing.
• Expert-level proficiency with simulation tools including Keysight ADS and Ansys HFSS.
• Proven track record from concept to production.

Responsibilities

• Lead the design and development of advanced RF circuits and modules.
• Perform detailed simulations to optimize performance.
• Translate designs into manufacturable layouts and collaborate with PCB engineers.
• Conduct rigorous bench testing and validation of prototypes.
• Work cross-functionally to ensure seamless integration of RF designs.
• Mentor junior engineers and share best practices.

Skills

RF design expertise

Simulation tool proficiency (ADS, HFSS, SPICE)

Problem-solving skills

Mentoring abilities

Tools

Altium Designer

RF test equipment

Job description

Your Job

We are currently looking for a Senior RF Engineer to join our Engineering team, ideally based either in Camarillo, CA or Concord, NH. As a Senior RF Design Engineer, you'll be the technical cornerstone of our RF product development. Your designs will not only meet exacting performance standards but also push the boundaries of what's possible in high‑frequency systems. You will guide projects from concept to production, ensuring that every circuit, simulation, and test delivers excellence.

What You Will Do

• Lead the design and development of advanced RF circuits, subsystems, and modules for applications ranging from wireless communications to radar.
• Perform detailed simulations using ADS, HFSS, and SPICE to optimize performance, minimize losses, and ensure compliance with specifications.
• Translate designs into manufacturable layouts using Altium Designer, collaborating closely with PCB layout engineers to meet RF performance goals.
• Conduct rigorous bench testing, validation, and troubleshooting of prototypes, using state‑of‑the‑art RF test equipment.
• Work cross‑functionally with mechanical, digital, and manufacturing teams to ensure seamless integration of RF designs into complete systems.
• Mentor junior engineers, sharing best practices.

Who You Are (Basic Qualifications)

• 10+ years of hands‑on experience in RF design, simulation, and testing.
• Expert‑level proficiency with Keysight ADS, Ansys HFSS, and SIwave simulation tools.
• Proven track record of delivering high‑performance RF designs from concept through production.
• Deep understanding of RF principles, including impedance matching, filter design, and electromagnetic compatibility.
• Strong problem‑solving skills and the ability to work independently on complex technical challenges.

What Will Put You Ahead

• Strong working knowledge of Altium Designer for PCB layout and RF board design.
• Experience with AMD RFSoC or Altera FPGA devices and tools.
• Mil‑Spec design practices and compliance (VPX, VNX+ etc).
• Detailed understanding of latest ADC, DAC and clock circuitry from leading suppliers such as TI and ADI.
• For this role, we anticipate paying $120,000 – $180,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.

Benefits

• Medical, dental, vision, flexible spending and health savings accounts, life insurance, AD&D, disability, retirement.
• Paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance.
• Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region.

Equal Opportunities

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E‑Verify. Please click here for additional information. (For Illinois E‑Verify information click here, aqui, or tu).