Computational Plasma Physicist

Denver, CO
Engineering – Systems Engineering /
Full-Time /
Xcimer Energy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking new laser architecture. Our mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. Xcimer has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by leading investors, Xcimer is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. Join us in powering a better world with inertial fusion!
As a Computational Plasma Physicist, you will apply your skills to participate in a simulation lab with participation in our experimental program. We are looking for a physicist, RF plasma scientist or CVD design expert to apply their technical expertise, problem solving skills, and dedication to quality to positively impact the future of energy!


    • Run simulations with current models.
    • Improve model implementation on computers/clusters.
    • Code and validate improvements on models.
    • Develop new models.
    • Compare models with data, evaluation criteria.
    • Analyzing model data and visual interpretation to improve design.


    • Ph.D. or comparable industry experience in the field of plasma chemistry
    • Familiarity with PIC and MHD methods of plasma simulation
    • Relevant thesis subject overlap, or 5 years lab experimental and theoretical modeling of discharge kinetics.
    • Basic knowledge of physical chemistry.
    • Experience in rate equation modeling.
    • Gas discharge phenomena (microwave/e-beam/discharge pumped).
    • Independent formation of physics-based models for computer analysis.
    • Understanding of fundamental physics & approximations made in models.
    • Basic understanding of quantum mechanics.
    • Knowledge of E&M.
    • Python, C/C++, Matlab, and/or other languages.
    • Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.


    • Expert in plasma physics, particularly modeling time-evolved state population in discharges.
    • Strong understanding/foundation of quantum mechanics.
    • Non-equilibrium plasma modeling.
    • Proficient in Python for scientific computing.
    • Experience running codes in HPC environments (Imod, MPI, SLURM, spack).
    • Data visualization (matplotlib, ParaView, Vislt, etc.).
$120,000 - $180,000 a year
Candidates may be considered for other positions at Xcimer Energy, and our actual base salary will be determined on an individual basis and may vary based on job-related knowledge and skills, education, and experience. The range is published in accordance with Colorado Equal Pay for Equal Work Act and California Equal Pay Act.
Equal Employment Opportunity
Xcimer Energy is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. Xcimer Energy hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork, in which all employees recognize and appreciate the diversity of individual team members. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, gender, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Xcimer Energy will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws. For more information on “EEO Is the Law,” please see here and here.
Benefits Employee Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave (must be employed at time of birth or adoption), short and long-term disability, 401(k) with a company match of up to 6%. Paid Time Off: 15 days per year based on weekly scheduled hours, 10 paid sick leave, and 13 company-paid holidays for all regular employees (including part-time), fixed-term, and interns. Equity will be granted to eligible employees. Equity is designed to allow employees to share in company results and success.