Careers

Build engines that change what flies.

We're a founding-stage propulsion company looking for engineers, researchers and builders who want real ownership over hard problems — and a front-row seat as detonation propulsion goes from test stand to flight.

Why SleipnirX

Early enough to shape everything

Real ownership

Founding-team scope. Your work goes straight onto the test stand — no layers, no busywork.

Frontier engineering

Work on detonation combustion — one of the most exciting, under-built areas in propulsion.

Mission that matters

Help build toward propulsion that reaches further — from launch to advanced systems.

Small, sharp team

High trust, low ego, fast decisions. Surrounded by people who love the craft.

Equity & upside

Meaningful ownership for early team members who help build the company.

Grow fast

Wear many hats, learn across disciplines, and grow as quickly as the company does.

Open Roles

Where we're hiring

Don't see a perfect fit? We always want to meet exceptional people — apply via the general application below.

Propulsion Engineer — Detonation

● Engineering● Full-time● On-site
Apply →

Combustion / CFD Research Engineer

● R&D● Full-time● On-site / Hybrid
Apply →

Mechanical Design Engineer (Test Hardware)

● Engineering● Full-time● On-site
Apply →

Avionics & Instrumentation Engineer

● Engineering● Full-time● On-site
Apply →

Business Development & Market Research Lead

● Growth● Full-time● Hybrid
Apply →

Founding Operations & Talent Associate

● Operations● Full-time● Hybrid
Apply →

Internships — Propulsion & Aerospace

● Internship● 3–6 months● On-site
Apply →
General Application

Don't see your role? Reach out anyway.

If you're excited about detonation propulsion and think you can help us build it, send us your details. We review every application and will get back to strong fits.

You can also email your CV directly to connect@sleipnirx.com.

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