Senior RF Design Engineer - Defense Tech (Equity Included)

Mosaic.tech; Costa Mesa (CA); On-site; USD 166,000 - 220,000; Full time

Job summary

Anduril Industries in Costa Mesa, CA is seeking an experienced Senior RF Engineer to design complete RF receiver/transmitter chains and drive full lifecycle from requirements through production. You will optimize clocking, LO architectures, and perform system-level spur analyses, while collaborating with hardware and software teams to deliver scalable, field-ready electronics for modern defense platforms.

Candidates must have 7+ years of RF experience, be able to obtain a U.S.

Qualifications

• Experience designing complete RF receiver/transmitter signal chains (direct conversion, zero-IF, single-IF, dual-IF).
• Strong background in RF components (LNAs, filters, mixers, PLLs, oscillators, amplifiers).
• Experience with schematic capture, board bring up, and test.
• Proficient with RF simulation and modeling tools (Ansys, Cadence AWR).

Responsibilities

• Design RF architectures from requirements through production.
• Modeling, simulation, analysis, and optimization of RF circuits.
• Own radio PCBA design, from schematic to manufacturing transfer.
• Assist with feasibility studies and system integration.

Skills

RF system design

Circuit modeling

Schematic capture

PCB bring-up

Signal integrity

Education

B.S. Electrical Engineering or equivalent

Tools

Ansys Electronics Desktop

Cadence AWR Microwave Office

VNAs / Spectrum analyzers / Oscilloscopes

Python

Job description

Anduril Industries in Costa Mesa, CA is seeking an experienced Senior RF Engineer to design complete RF receiver/transmitter chains and drive full lifecycle from requirements through production. You will optimize clocking, LO architectures, and perform system-level spur analyses, while collaborating with hardware and software teams to deliver scalable, field-ready electronics for modern defense platforms.

Candidates must have 7+ years of RF experience, be able to obtain a U.S.