ashby
RF Engineer
Specter
San Francisco, USA
Full-time
Senior
Onsite
Discovered 1 weeks ago
ADSHFSSMATLABVNASpectrum AnalyzerOpenWRT
Free
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Key Skills for This Role
ADSHFSSMATLABVNASpectrum AnalyzerOpenWRT
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The Role
Specter is hiring a Lead RF Engineer to lead the design and development of our modular software-defined radio (SDR) architecture - the communications backbone for our distributed sensing network.
You’ll own end-to-end RF system design, from concept and architecture through prototyping, validation, and deployment. This includes architecting a scalable, high-bandwidth, long-range mesh communications layer connecting thousands of edge devices into a cohesive sensing fabric.
As the RF lead, you’ll define the company’s radio strategy, establish our RF lab and test infrastructure, and grow a small, elite team capable of taking designs from benchtop prototypes to production hardware.
Responsibilities
- Architect and develop Specter’s modular SDR platform, integrating multi-node mesh networking with real-time software control.
- Define RF system and software requirements across transceiver, front-end, and antenna subsystems.
- Lead system-level trades to determine optimal network topology, frequency bands, and modulation schemes within software-defined constraints.
- Design and prototype analog front-end components (LNAs, PAs, filters, matching networks) with tight integration to digital baseband and firmware.
- Develop automated RF test infrastructure and validation workflows (VNA, spectrum analyzer, OTA testing) with software-driven test harnesses.
- Collaborate with firmware, networking, and cloud teams to integrate PHY-layer and OpenWRT-based mesh protocols into the broader control plane.
- Drive DFM, certification, and production-scale RF test automation.
Preferred Background
Led RF or communications system development from concept to production, including firmware and software integration.
Deep experience with software-defined radios, analog/RF front-end design, and embedded networking systems (<3 GHz).
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