RF Hardware Engineer

CircuitHire Ltd.; Torrance (CA); On-site; USD 225,000 - 275,000; Full time

Job summary

CircuitHire Ltd. in Los Angeles is seeking a Principal RF Hardware Engineer to own the RF electronics design and development for next‑generation communications technology used in space programs.

You will drive end‑to‑end lifecycle from concept through testing, collaborating with a compact, highly skilled team of software, hardware, and FPGA engineers to deliver production‑ready RF solutions for diverse space customers. U.S. citizenship or permanent residency is required for government contracts.

Qualifications

• Proven RF/microwave hardware design experience with end‑to‑end ownership.
• Experience owning multiple programs in a space/defense context is preferred.
• U.S. citizenship or permanent residency is required for government-contract work.

Responsibilities

• Own RF electronics designs from concept through deployment.
• Develop RF front-end architectures and transmit/receive circuits (amplifiers, filters, up/down conversion, signal generation).
• Analyze and optimize RF performance: sensitivity, noise, gain, linearity, and signal integrity.
• Oversee PCB design/layout ensuring RF performance, grounding, and thermal management.
• Perform hardware bring‑up, lab testing, validation, and fault diagnosis.
• Manage component selection and qualification.

Skills

RF hardware design

End-to-end ownership

Space industry exposure

PCB layout

Job description

Principal RF Hardware Engineer – Los Angeles

Salary: Up to $250K + Equity

We’re partnering with a rapidly growing space technology company in Los Angeles looking for an experienced to own the RF Electronics design and development for next-generation communications technology.

This is a hands‑on, high‑impact role where you’ll take ownership of the full product lifecycle, from RF electronics design and manufacturing through testing, integration, and deployment. Working closely with a small, highly technical team of software, hardware, and FPGA engineers, you’ll help turn complex engineering challenges into production‑ready solutions supporting a diverse range of space customers.

The company offers a compelling combination of early‑stage agility and proven market traction, with an established customer base, an excellent industry reputation, and technology already supporting dozens of space programs.

Responsibilities

• Own RF electronics designs, taking designs from initial concept through to deployable solution
• Develop RF front-end architectures and transmit/receive circuits, including amplifiers, filters, frequency conversion, and signal generation.
• Analyze and optimize end‑to‑end RF performance, covering sensitivity, noise, gain, linearity, and signal integrity.
• Oversee PCB design and layout, ensuring robust RF performance, signal integrity, grounding, and thermal management.
• Perform hardware bring‑up, lab testing, performance validation, and fault diagnosis.
• Manage component selection and qualification

Experience

• Extensive RF and microwave hardware design experience with demonstrated end‑to‑end ownership
• Previous experience owning multiple programs
• Previous Space industry experience is a plus!

Note: Successful candidates must have U.S. citizenship or permanent residency due to government contract requirements.