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Salary
$50k – $100k per year
Location
In office (San Francisco)
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 26, 2026. First seen by Alion on Sep 25, 2026.

Overview
Company
Impact
Profile match
Streamline Systems is a defense technology company that develops satellite-independent precision navigation solutions for uncrewed aerial vehicles and military platforms operating without GPS. Headquartered with dual operations in San Francisco, California, and London, United Kingdom, the firm creates drop-in hardware modules designed to maintain autonomous flight and mitigate signal jamming risks. Backed by Y Combinator, the enterprise collaborates with defense and technology partners across North America and Europe to build resilient alternative positioning systems.

Streamline Systems (F26)

We're building the replacement for GPS, a low-cost navigation module that positions platforms and guides drones without satellites. It's flying today. Now we need it hardened, productised and manufacturable.

I'm looking for a founding mechanical engineer with extremely high agency. It already flies; you'll own how the system comes together and integrates onto real drones, end-to-end. You will be out in the field testing with customers, not sitting behind a laptop.

I don't care about degrees. I care that you've actually built drones - hobby projects, personal builds and garage tinkering count for more than any fancy piece of paper.

You should have:

  • Built drones before: designed, assembled and flown real UAVs (hobby and personal projects absolutely count)
  • CAD experience for enclosures, mounts and airframe integration
  • Hands-on with autonomous drones running ArduPilot, INAV or PX4

Nice to have:

  • Systems integration across mechanical, electrical and software
  • Prototyping, 3D printing and rapid iteration
  • FPV and/or fixed wing piloting experience
  • Thermal, vibration and environmental testing for real-world conditions
  • Manufacturing and design-for-assembly experience

Why join:

  • Solve a genuine national-security gap for the US, UK and allies
  • Extreme ownership. You make the calls, no bureaucracy.
  • $50-100k + 0.5-2% equity (more for the right person)
  • $10k/year for a side project of your choosing passion project or something we build into the product

SF for the batch, US/UK be flexible on location. US/UK citizens only. If this is you, apply now.

Early-career? If you've built and flown your own drones and want to prove yourself, I'll trial you as an intern with a path to full-time, tell me what you've built and flown.

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