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Antares · 12 hours ago

Software Engineer - Backend / Embedded

Los Angeles, CA

Full-time

Onsite

Mid Level

3+ years exp

Antares is a company focused on making clean energy abundant through advanced nuclear technology. The Embedded Software Engineer will develop real-time control and monitoring software for nuclear reactors, ensuring safe and reliable operation while collaborating with various engineering teams.

EnergyIndustrialMachinery ManufacturingManufacturing

No H1B

U.S. Citizen Only

Responsibilities

Owner of middleware between application and embedded code to operate the reactor

Develop and maintain real-time reactor software applications executing on Linux-based computers, responsible for C&DH (command handling), and state management

Design and implement test and control that exercise subsystem modes, fault management/injection, and autonomous behaviors

Build and maintain the network and communications stack for inter-process and inter-computer communication (e.g., TCP/UDP, CAN over Ethernet, DDS, ZeroMQ, or custom protocols)

Develop software to receive and process uplinked commands, validate them, trigger state transitions, and produce structured telemetry

Interface with and develop hardware abstraction layers (HALs) and system services to exchange data with off-the-shelf components (DAQs, power supplies, etc.), sensors, controllers, and control algorithms

Collaborate closely with software, electrical, and controls teams to ensure software correctly integrates with underlying hardware and real-time networks

Write and maintain system-level test frameworks, simulations, and HIL environments to validate command/telemetry and state machine behavior

Participate in software and design reviews, code reviews, and contribute to the definition of interface control documents (ICDs) and communication schemas

Contribute to system performance optimization, and fault tolerance

Qualification

C/C++ developmentLinux programmingReal-time systemsMulti-threadingNetworked systemsEmbedded systemsPython scriptingAnalytical skillsDebugging skillsCommunication skillsDocumentation skills

Required

Bachelor's degree in Computer Engineering, Computer Science, Electrical Engineering, or related field

3+ years of experience developing C/C++ applications for Linux or similar POSIX environments

Strong understanding of multi-threaded, multi-process applications and inter-process communication (IPC) mechanisms

Experience developing and debugging networked systems using TCP/UDP sockets, message queues, or publish-subscribe middleware

Familiarity with deterministic or real-time execution on Linux (RT patching, scheduling priorities, timing analysis, etc.)

Proficiency with Linux development tools (gcc/clang, gdb, valgrind, CMake, etc.) and source control (Git)