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Focused Energy is building the future of clean energy through laser-driven inertial fusion, backed by a $240M Series A—the largest fully secured Series A in the global fusion industry. The company operates across Germany and the US, bringing together top scientific and engineering talent to unlock fusion power at commercial scale.
As a Prototype Engineer, you will play a hands-on role in system integration, testing, and validation for the hardware and software supporting laser-driven fusion technology. Based onsite in Austin, you will work alongside scientists and senior engineers in the Target Tracking and Engagement lab and Laser lab, helping turn test plans into successful experiments. You will gain practical experience with sensitive optics, laser systems, test rigs, and advanced hardware while contributing directly to fast-moving development and test campaigns in a highly collaborative environment.
Key responsibilities include:
- Execute integration and qualification tests according to approved test plans and operating procedures
- Maintain and prepare test rigs, lab hardware, software, and configurations for upcoming campaigns
- Perform precision alignment and safe operation of optics and laser systems
- Support the build, teardown, troubleshooting, and upgrades of test rigs alongside senior engineers
- Work with scientists to translate test procedures into executable sequences during test campaigns
- Document test results, issues, and observations clearly for senior engineers and scientists to diagnose and address problems
- Provide hands-on technical support across the engineering team as needed
- Follow established safety practices and proactively flag potential hazards or gaps
The company offers competitive salary with stock options, medical/dental/vision coverage, unlimited PTO, 401(k) matching up to 4%, state-of-the-art equipment, and regular team events.
Requirements:
- Bachelor's degree and/or hands-on technical background in engineering, physics, optics, or a related field
- Strong interest in experimental hardware, test and integration, and hands-on engineering
- Familiarity with basic optics and laser alignment, test equipment, or hardware/software diagnostics
- Methodical approach to executing technical procedures while remaining adaptable when experiments don't proceed as planned
- Strong attention to detail, particularly when working with sensitive equipment and precision systems
- Clear communication skills and ability to work closely with scientists and engineers
- Safety-first mindset and willingness to work hands-on in a laboratory environment
- Curiosity, initiative, and desire to grow toward greater ownership of troubleshooting and system integration
