Job Description

Spacecraft Thermal Engineer n

Sydney | Space & Defence Technology | Start-Up

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Location: Sydney

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Salary: $120,000 - $130,000 + Meaningful equity (ESOP) - Real ownership stake.

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Want to work on spacecraft that are actually being built and flown?

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We're partnering with a fast-growing Australian space and defence technology start-up developing next-generation spacecraft and autonomous systems designed to protect critical infrastructure in orbit.

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They're building spacecraft capable of rendezvous, proximity operations and rapid response in space, alongside software that uses AI and space-domain data to help operators monitor, coordinate and protect assets in orbit.

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They're now looking for a Spacecraft Thermal Engineer to own thermal analysis and design across the vehicle, working closely with electronics,



avionics and wider spacecraft engineering teams.

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What we're looking for:

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- 2+ years' thermal engineering experience
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- Space / spacecraft experience
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- Hands-on experience building and running thermal models
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- Experience with Thermal Desktop, ESATAN, Systema/Thermica, NX Space Systems Thermal or equivalent
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- Robust understanding of spacecraft thermal environments
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- Experience working with electronics / avionics from a thermal perspective
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If you're a Thermal Engineer looking to work on real spacecraft and genuinely cutting-edge space technology, I'd love to hear from you!

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📌 Thermal Engineer (Sydney)
🏢 Synchro
📍 Sydney