---
title: 'Systems Engineer IV at Xcimer Energy'
canonical: 'https://feeny.ai/job/systems-engineer-iv-xcimer-energy-denver-rejxf725qsy7'
type: 'job'
last_seen: '2026-10-25'
---

# Systems Engineer IV at Xcimer Energy

- **Company:** Xcimer Energy
- **Location:** Denver, CO
- **Compensation:** $140k–$165k
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-10-15
- **Last confirmed live:** 2026-10-25
- **Apply:** https://jobs.lever.co/xcimer/bdf22146-a412-431d-a0f6-787805f1a894

## 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!

This is a full-time, onsite role based at our headquarters in Denver, CO.

As a Systems Engineer IV, you will be a thought leader in Xcimer influencing and educating technical leads to capture, organize, and track the integrated technical baseline for our IFE Program. The successful candidate will perform leading and supporting roles in establishing and maintaining bidirectional traceability across our requirements, architecture, documentation, and analysis products. The candidate will define and maintain infrastructure, define relationships between internal and external interfaces, and communicate system-level use cases and relationships to a diverse group of stakeholders. The candidate will work with team leads across the organization to craft the key framework and documents needed to define, design, build, test, and activate our facilities and systems. We are looking for engineers to apply their technical expertise, problem solving skills, and dedication to quality to positively impact the future of energy!

## Responsibilities

- Provide technical guidance and oversight to ensure the successful development and implementation of system functionality
- Implement the processes, traceability, and documentation necessary to support IFE program
- Collaborate with program teams, including new development and legacy systems, to identify opportunities for integration and support the development of updated releases
- Carry out systems engineering activities in accordance with tailored system engineering standards and practices
- Drive and coordinate technical decision making
- Conduct risk assessments to ensure risk mitigation plans are developed and implemented
- Act as the negotiator between multiple teams to make sure the holistic system is optimized
- Develop strategies, approaches for specialty engineering (operability, reliability, maintainability, supportability) integration, analysis and verification

## Qualifications

- Education: Minimum of a B.S. degree in engineering or other technical field (e.g. mechanical, electrical, chemical, etc.)
- Experience: 10+ years of Systems Engineering/Software Engineering experience
- Proven experience leading cross-functional teams and collaborating with stakeholders to drive technical innovation and growth
- Proven experience owning the integrated technical baseline for complex systems through the full Systems Engineering Lifecycle
- Experience working on development programs for large, complex, integrated systems or facilities – preferably from the fusion/energy, nuclear, aerospace, or space and defense industry
- Strong technical experience in simulation, software, and data analysis, with an understanding of industry trends and emerging technologies
- Fluent with Atlassian suite tools (Confluence, Jira)
- Experience with rapid technology development, integration, and testing
- Great communication skills, ability to work effectively in teams, demonstrated execution and coordination skills
- Project management skills including labor estimating and schedule management
- Demonstrated configuration management experience
- 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.

Desired

- Experience with defining, designing, and activating large facilities for assembly, integration, and testing for large complex systems
- Experience with high energy laser systems, optics, or nuclear energy systems

## 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](https://www.dol.gov/sites/dolgov/files/ofccp/regs/compliance/posters/pdf/eeopost.pdf) and [here](https://www.dol.gov/sites/dolgov/files/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_Final_JRF_QA_508c.pdf).

## 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.

## About Xcimer Energy

## Company Overview
- **One-liner**: Xcimer Energy is building the world’s most powerful excimer lasers to commercialize inertial fusion energy, delivering safe, affordable, and effectively limitless power while also strengthening national security.
- **Entity Type**: Private (Series A; total funding ~$200M)
- **Headquarters**: Denver, Colorado, United States (with manufacturing operations in Tucson, Arizona)
- **Founded**: 2022
- **Founders**: Conner Galloway (CEO, CSO) and Alexander Valys (President, CTO)

## Core Business
- **Primary industry/industries**: Fusion energy (inertial confinement fusion), laser systems, national security/defense
- **Target customers**: B2B / B2G (utilities, government, defense contractors, national laboratories)
- **Mission or purpose statement**: “Transform decades of scientific progress into commercial fusion plants to deliver safe, affordable, and effectively limitless energy—while improving air defense and national security.”

## Products & Services
- **Phoenix (2026)**: Prototype system demonstrating core laser technology and laser architecture in Denver.
- **Anvil (2028)**: 200 kJ, two-sided inertial fusion energy (IFE) excimer beamline demonstrator using Argos laser modules – the largest laser amplifiers in the world.
- **Vulcan (2031)**: Engineering (wall-plug) breakeven demonstration – world’s largest laser, combining many Argos modules to achieve 4 MJ of laser energy on target, upgradeable to 12 MJ.
- **Athena (2035)**: First commercial laser fusion power plant, delivering 400 MW of electricity to the grid.
- **National Security Applications**: Nuclear Weapons Effects Testing (NWET), stockpile stewardship, and directed energy systems.

## Market Standing
- **Valuation/Market Cap**: Not publicly available
- **Key Metric**: Total funding – “nearly $200 million” per FAQ page; “more than $150M raised” per media page (conflicting reports, both cited)
- **Notable Investors/Partners**: Hedosophia, Breakthrough Energy Ventures, Lowercarbon Capital, Prelude Ventures, Emerson Collective, Starlight Ventures, Wireframe Ventures, Leitmotif Ventures, Gigascale Capital. Also partners with Los Alamos National Laboratory, Lawrence Livermore National Laboratory, Oak Ridge National Laboratory, Naval Research Laboratory, MIT, University of Rochester, General Atomics, Westinghouse.
- **Growth Signals**: Headcount of 109 employees (+45.6% YoY), plans to double the team over the next year, 32 open positions across 5 departments, largest laser fusion award from U.S. Department of Energy’s Milestone-Based Fusion Development Program.

## Competitive Advantages
- **Excimer laser architecture (KrF)**: 30x lower cost per joule than the solid-state lasers used at NIF; technology is commercially proven in semiconductor lithography.
- **Scientifically validated approach**: Only fusion method that has achieved scientific breakeven in the laboratory (NIF ignition).
- **Aggressive but grounded roadmap**: Wall-plug breakeven by 2031, grid power by 2035 – one of the fastest timelines in the industry.
- **Dual-use technology**: Fusion energy platform also serves critical national security applications, opening additional funding and partnership avenues.

## Strategic Focus
- Complete Phoenix and Anvil milestones to de-risk laser architecture.
- Hire and scale the team (targeting double the current headcount).
- Secure site for Vulcan and prepare for engineering breakeven demonstration.
- Advance commercial fusion power plant (Athena) design and regulatory pathways.
- Expand defense and government partnerships.

## Why Work Here
- **Culture highlights**: Values precision, creativity, collaboration, and questioning assumptions. Team includes top talent from fusion, energy, defense, aerospace, semiconductor lithography, and academia.
- **Work environment**: Primarily onsite in Denver, CO (engineering roles); flexible work environment, dog-friendly office, free lunch Tuesdays and Thursdays.
- **Notable perks**: Competitive wages, equity compensation plan, comprehensive health/dental/vision insurance, 401k with employer match, up to 12 weeks paid parental leave, 13 paid holidays, generous sick leave and vacation, relocation package, professional growth opportunities.
- **Internship program**: Highly competitive, hands-on experience in fusion science and engineering; strong track record of converting interns to full-time hires.

## Sources
1. [xcimer.energy/company](https://xcimer.energy/company/)
2. [xcimer.energy/careers](https://xcimer.energy/careers/)
3. [xcimer.energy/faq](https://xcimer.energy/faq/)
4. [xcimer.energy/media](https://xcimer.energy/media/)
5. [linkedin.com/company/xcimer-energy-corporation](https://linkedin.com/company/xcimer-energy-corporation)

## Other roles at Xcimer Energy

- [Control Systems Project Lead – Applied Science](https://feeny.ai/job/control-systems-project-lead-applied-science-xcimer-energy-denver-027smxrj7v18) — Denver, CO
- [Technical Project Manager, DOE Partnerships](https://feeny.ai/job/technical-project-manager-doe-partnerships-xcimer-energy-denver-xwgkazejj5zx) — Denver, CO
- [Head of PMO](https://feeny.ai/job/head-of-pmo-xcimer-energy-denver-hk1pnnn08vzv) — Denver, CO
- [IFE Program Director](https://feeny.ai/job/ife-program-director-xcimer-energy-denver-qfbnt01bb2aq) — Denver, CO
- [Maintenance Technician, Capacitor Manufacturing](https://feeny.ai/job/maintenance-technician-capacitor-manufacturing-xcimer-energy-tucson-v8a6s0106q2x) — Tucson, AZ
- [Senior Manufacturing Engineer, Capacitor Production](https://feeny.ai/job/senior-manufacturing-engineer-capacitor-production-xcimer-energy-tucson-1m1ryp5bvnw9) — Tucson, AZ
- [Production Supervisor, Wound Film Capacitors](https://feeny.ai/job/production-supervisor-wound-film-capacitors-xcimer-energy-tucson-ebe6mc5wwdyz) — Tucson, AZ
- [Director, Licensing & Regulatory Affairs](https://feeny.ai/job/director-licensing-regulatory-affairs-xcimer-energy-denver-bn6r205wgzd2) — Denver, CO
- [Optical Engineer](https://feeny.ai/job/optical-engineer-xcimer-energy-denver-pky52b8a8v0a) — Denver, CO
- [Director, Integrated Target Design](https://feeny.ai/job/director-integrated-target-design-xcimer-energy-denver-ef36f4nf75mb) — Denver, CO