Scientific Software Architect

Company: Xcimer Energy
Location: Denver
Posted on: January 14, 2026

Job Description:

Job Description Job Description 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 Scientific Software Architect , you will apply your skills to bring inexhaustible, carbon-free, and commercially viable inertial fusion energy through rigorous scientific investigation and innovative engineer. You will work with Xcimer on cutting-edge computational modeling tools to support our path towards the commercial fusion. You will be an integral part of our team working on creation of the state-of-the-art scientific software framework. We are looking for our team to apply their technical expertise, problem solving skills, dedication, passion, and vision to positively impact the future of energy! Responsibilities Design & Blueprinting: Define high-level multi-physics system architecture and component interfaces with focus on system modularity and performance Quality Assurance: Ensure scalability, reproducibility, performance, and maintainability of scientific software in the spirit of continuous scientific software development Guidance & Oversight: Provide technical direction, mentor teams, and troubleshoot complex issues. Qualifactions M.S. (Ph.D. preferred) in Computer Science, Software Engineering, or related fields. Experience with software design using generic programming addressing modular flexibility via type independent interfaces, compile time polymorphism, and computational efficiency. Proficiency with modern C++, such as C++20, and python required. Experience with finite element method an advantage such as MFEM or deal.II opensource libraries. 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. 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 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Keywords: Xcimer Energy, Denver , Scientific Software Architect, Science, Research & Development , Denver, Colorado