# RF Design Engineer at Specter

- Company: Specter
- What the company does: Search 55M companies, 550M people and every funding or M&A event in real time—surface hidden startups, size markets and act first. Backed by Entrepreneur First.
- Company website: https://tryspecter.com
- Type: Startups
- Level: Mid level
- Location: San Francisco
- Work setup: On-site
- Posted: 2026-07-13
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/specter/9ed686f2-1948-4ca8-bc89-8ac11085e5a8
- Page: https://www.1752.vc/careers/jobs/specter-rf-design-engineer/

## About the role

Antenna design: Model patch, array, and air-gap antennas in HFSS or CST. Take designs from simulation through fabrication, measurement, and qualification. RF front-end design: Design matching networks, harmonic filtering, and PA/LNA chains for sub-GHz and Wi-Fi radios.

## What they're looking for

- 3–5 years of RF hardware design experience on production wireless hardware
- Strong RF fundamentals: transmission lines, impedance matching, S-parameters, signal integrity
- EM simulation: HFSS, CST, or equivalent
- Hands-on RF measurement: VNA, S-parameter, and pattern or gain measurement
- PCB-level RF design experience: stack-up, controlled impedance, RF routing, isolation
- Sub-GHz or ISM band experience (902-928 MHz preferred)

Tags: Engineering