Senior RF Engineer

Senior RF Engineer
Location: Boulder, CO (Full-Time, FTE)
Salary: $150,000 - $190,000 base + stock incentives, bonus, medical, dental, vision, unlimited PTO

About the Role

Join a forward-thinking tech company revolutionizing the chip-scale device space. We're on the hunt for an RF & Analog Electronics Engineer to design and develop precision, low-noise, mixed-signal electronics for next-gen quantum devices. This is a hands-on, technical role where you'll contribute to the cutting edge of quantum systems.

Responsibilities

• Design and optimize low-noise, low-tempo analog circuits, including amplifiers, filters, voltage regulators, and PID controllers.
• Develop RF and microwave systems, including synthesizers, PLLs, and impedance-matched front-ends (3-4 GHz).
• Perform PCB layout for high-frequency, low-noise, and mixed-signal circuits.
• Work closely with cross-disciplinary teams to integrate electronics with optics, vacuum, and quantum systems.
• Prototype, test, and iterate using tools like oscilloscopes, VNAs, spectrum analyzers, and Allan deviation analyzers.
• Support EMI/EMC qualification for defense/aerospace standards.

Key Requirements

• Analog & Mixed-Signal Electronics: Expertise in low-noise analog design, signal conditioning, and PID loop design.
• RF & Microwave Systems: Experience designing oscillators, synthesizers (3-5 GHz), and impedance-matched RF circuits.
• PCB Design: Proficiency in high-frequency PCB layout (Altium, KiCad) for mixed-signal and low-noise circuits.
• Testing & Debugging: Hands-on experience with tools like oscilloscopes, spectrum analyzers, VNAs, and Allan deviation analyzers.
• System Integration: Ability to co-design electronics with photonics/optical systems and integrate with quantum systems.
• Simulation & Automation: Familiarity with SPICE and RF simulation tools (LTspice, ADS, HFSS), and automation with Python.
• Power Regulation: Experience with precision power regulation and current drivers, especially for laser diodes.
• Standards Compliance: Experience with EMI/EMC mitigation and qualification for defense or aerospace applications (MIL-STD).
• Version Control: Proficiency in using Git/Gitlab for version control in a collaborative environment.

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