Senior Embedded Software Engineer — Real-Time Controls

Commonwealth Fusion Systems LLC; Massachusetts; On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Equity compensation

Company holidays

Flexible vacation

Sick days

Parental leave

Health insurance

Dental insurance

Vision insurance

401(k) matching

Professional growth

Team building

Job summary

Commonwealth Fusion Systems is seeking a Senior Embedded Software Engineer to design, implement, and verify software for advanced R&D equipment and complex machinery. You will write production‑quality real‑time code and collaborate with a cross‑functional team to deliver robust software solutions.

You will contribute to integration with testbeds, tooling, and production systems, while leveraging real‑time Linux, microcontrollers, and FPGAs.

Qualifications

• 7+ years of relevant experience in embedded, real‑time control systems.
• Production‑quality control software development experience.
• Experience with CI/CD and Git workflows.
• Proficiency in Python and at least one real‑time control language (C++, Rust).

Responsibilities

• Develop control software across multiple platforms, including real‑time Linux, microcontrollers, and FPGAs.
• Verify embedded software with Hardware‑in‑the‑loop testbeds and field commissioning activities.
• Improve software tooling to increase developer velocity and enable new capabilities.

Skills

Python

C++

Rust

CI/CD

Git version control

Unit testing

Integration testing

Education

Bachelor's degree in relevant engineering field

Tools

Real-time Linux

Microcontrollers

FPGAs

Job description

Commonwealth Fusion Systems is seeking a Senior Embedded Software Engineer to design, implement, and verify software for advanced R&D equipment and complex machinery. You will write production‑quality real‑time code and collaborate with a cross‑functional team to deliver robust software solutions.

You will contribute to integration with testbeds, tooling, and production systems, while leveraging real‑time Linux, microcontrollers, and FPGAs.