Control Software Engineer — Real-Time Systems + Equity

Commonwealth Fusion Systems; Harvard (MA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Equity

Holidays

Vacation days

Sick days

Parental leave

Health insurance

401(k)

Growth opportunities

Team events

Job summary

Commonwealth Fusion Systems is seeking a Control Software Engineer in Massachusetts to design, implement, and verify software for advanced R&D equipment and complex machinery. You will be a hands-on contributor, writing production-grade code for mission-critical real-time systems and integrating software with testbeds and production tools.

The role emphasizes modern software practices, cross-team collaboration, and delivering robust control solutions for a rapidly growing fusion company.

Qualifications

• Experience with industrial control and embedded control systems.
• Production-quality software development experience.
• Proficiency in Python and at least one real-time language.
• Familiarity with modern SDLC practices (CI/CD, Git, testing).

Responsibilities

• Develop control software across PLCs and real-time Linux.
• Create operator interfaces and workflows.
• Improve tooling to accelerate developer velocity.

Skills

Industrial control systems

Embedded control systems

Production-quality software

Python

Real-time languages

Education

Bachelor's degree in engineering

Tools

Beckhoff TwinCAT

Git

CI/CD tooling

Job description

Commonwealth Fusion Systems is seeking a Control Software Engineer in Massachusetts to design, implement, and verify software for advanced R&D equipment and complex machinery. You will be a hands-on contributor, writing production-grade code for mission-critical real-time systems and integrating software with testbeds and production tools.

The role emphasizes modern software practices, cross-team collaboration, and delivering robust control solutions for a rapidly growing fusion company.