Senior Real-Time Embedded Software Engineer - Microreactors

Hardware FYI; Torrance (CA); On-site; USD 160,000 - 235,000; Full time

Job summary

Antares seeks a Senior or Staff Embedded Software Engineer to own end‑to‑end embedded software for our microreactor hardware. You will collaborate with firmware, electrical, controls, and safety teams to translate sensor data and timing requirements into reliable real‑time software.

This hands-on role involves production C/C++ development, board bring-up, debugging, and contributing to verification and qualification testing across the full software lifecycle.

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or related field.
• Experience with microcontrollers, bare‑metal systems, an RTOS, or similar constrained real‑time platforms.
• Experience designing embedded software components, interfaces, state machines, and task structures; understanding interrupts, scheduling, concurrency, data ownership, timing constraints, and resources.
• Experience with SPI, I2C, UART, CAN, Ethernet, or RS‑485 for hardware interfaces.
• Strong debugging skills across component and system boundaries using logs, traces, debuggers, or similar tools.
• Experience developing testable embedded software and supporting unit, integration, simulation, or hardware‑in‑the‑loop testing.
• Ability to translate ambiguous requirements into clear technical designs and communicate across teams.

Responsibilities

• Own the full lifecycle of real-time embedded software projects for reactor and test hardware, defining the technical approach and verification strategy.
• Collaborate across electrical, controls, reactor software, systems, safety, and test teams to define and document software requirements.
• Define software boundaries and partition functionality among hardware-facing components, communication services, interrupts, real-time tasks, state machines, control functions, and application logic.
• Integrate embedded software with custom electronics, hardware interfaces, and control algorithms.
• Analyze failure modes and implement fault handling and recovery behavior.
• Support hardware integration, qualification, and reactor test campaigns with cross-disciplinary debugging.
• Develop and review software designs, interface definitions, test plans, verification procedures, and release documentation.
• Lead design and code reviews, establish embedded software best practices, and mentor junior engineers.

Skills

Embedded systems

C/C++

RTOS

Debugging

System design

Cross-functional

Real-time

Education

Bachelor's degree in CS/CE/EE

Tools

Oscilloscopes

Logic analyzers

Bootloaders

Remote firmware updates

CI/CD pipelines

Job description

Antares seeks a Senior or Staff Embedded Software Engineer to own end‑to‑end embedded software for our microreactor hardware. You will collaborate with firmware, electrical, controls, and safety teams to translate sensor data and timing requirements into reliable real‑time software.

This hands-on role involves production C/C++ development, board bring-up, debugging, and contributing to verification and qualification testing across the full software lifecycle.