Focused

Fusion Island Power Cycle Lead (m/f/d)

Darmstadt full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

About Focused Energy
Focused Energy is an international deep-tech company based in Germany and the US, working to commercialize laser-driven nuclear fusion. Our mission is to provide clean, safe, and virtually unlimited energy to the world. We are rapidly scaling and looking for talented individuals who thrive in building clarity and structure within fast-growing environments.

Role Overview:
As the Fusion Island Power Cycle Lead – Reactor, you will lead the design and development of the Fusion Island power cycle, including the cooling system, thermodynamic cycle, and primary heat exchanger. You will oversee the system from concept through detailed design, licensing, construction, and commissioning, while ensuring safe, efficient, and integrated solutions across the reactor plant. This is a key technical leadership role requiring deep engineering expertise and the ability to lead multidisciplinary teams and complex design decisions.

Key Responsibilities:
End-to-end accountability for the fuel cycle power cycle design.

Technical Leadership.

Define and govern the overall power cycle design architecture, including configuration, major design parameters, and fundamental safety approach.

Resolve complex, cross-cutting technical issues that cannot be resolved at the engineer or discipline level.

Write key engineering deliverables including system design descriptions, design basis documents, interface control documents, and safety analysis inputs.

Lead a multidisciplinary team.

Report design status, risks, and issues clearly and regularly to the Fusion Island Group Leader.

Manage design change control processes to maintain schedule and cost discipline while preserving design integrity.

Required Skills & Experience

M. Sc. in nuclear engineering or in aerospace engineering.

Experience in thermal-hydraulics.

Advanced Experience specifically in CFD.

Minimum of 5 years of experience.

Minimum 2 years of experience leading multidisciplinary technical teams.

Deep knowledge of fluid dynamics, safety analyses principles, and design basis development.

Knowledge of nuclear reactor physics.

Advanced Fusion Reactor knowledge is an advantage.

Fusion is an advantage.

Mastery of CFD.

Understanding thermodynamic cycles, thermal-hydraulics, mechanical analyses and I&C.

Manage requirements.

RAMI, licensing, documentation and control, project scheduling.

Focused Energy is an equal opportunity employer committed to creating an inclusive environment. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status.
Pursuant to the San Francisco Fair Chance Ordinance, Focused Energy will consider for employment qualified applicants with arrest and conviction records.
Compensation offered will be determined by factors such as location, level, job-related knowledge, skills, and experience. Certain roles may be eligible for incentive compensation, equity, benefits. 
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Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Writing Fusion Island Power Cycle Mid level

Likely questions

  1. Tell us about work you have done that is close to the Fusion Island Power Cycle Lead (m/f/d) role.
  2. How would you approach your first 30 days at Focused?
  3. Which of Writing, Fusion and Island have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Writing, Fusion and Island.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Fusion Island Power Cycle Lead (m/f/d) role because I can bring practical experience in Writing, Fusion and Island, learn the team quickly, and contribute to the outcomes Focused needs from this hire.

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