Firmware Engineer I-II
About Us
At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we’re building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space.
Formed in 2023, the Antares team hails from SpaceX, The White House, MIT, Rigetti Computing, The Air Force, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Los Alamos, Idaho, and Oak Ridge. Antares has raised over $130M in venture capital from top-tier investors and has over $13M in government funding.
About the Role
Antares is seeking a Firmware Engineer to build the embedded software that enables our first-of-a-kind microreactor hardware to operate reliably in real time. This firmware sits at the interface between custom electronics and reactor control infrastructure, translating sensor signals, device commands, timing requirements, diagnostics, and fault responses into dependable behavior at the hardware level.
In this role, you will develop firmware for embedded controllers, instrumentation electronics, data acquisition systems, and test hardware. You will help define how reactor hardware is initialized, monitored, commanded, diagnosed, and protected across development, integration, and qualification environments.
You will work closely with electrical, controls, reactor software, safety, and test teams to design, implement, bring up, and validate firmware that interacts directly with sensors, actuators, custom electronics, communication buses, control algorithms, and hardware-in-the-loop systems. Your work will be central to ensuring Antares’ reactor hardware can be safely operated, tested, diagnosed, qualified, and eventually deployed.
Key Responsibilities
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