Xcimer Energy
xcimer.energy
Actively hiring
Air Defense
Lasers & Laser Systems
Nuclear Energy
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How Xcimer Energy hires
Truth index
A 93/100
Median time to fill
110 days
Ghost roles
0%
Stale roles
7%
Reposted roles
0%
Xcimer Energy scores A on the Alion truth index (A is best, E worst), measured over 15 open roles re-checked against its own hiring board: 0% look like ghost listings, 7% have gone stale and 0% are the same role posted again. Its roles close in a median of 110 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Xcimer Energy is a Denver-based company developing laser-driven inertial fusion power and high-energy laser systems for air defense, built around large electron-beam-pumped excimer lasers. In 2024 it began building Phoenix, its first high-energy laser system, in its Denver laser bay, it has had a fusion power plant preconceptual design milestone approved by the US Department of Energy, and RTX has invested in it to develop directed energy technology. It hires optical, laser, pulsed power and nuclear engineers, physicists and materials scientists, scientific software and data engineers, technicians, quality and supply chain leaders, and summer interns.
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Owner
Same company
Same group
Likely
News
Multi-kilojoule fusion lasers could power next-gen US air defense
RTX Ventures invests in Xcimer Energy to develop pulsed lasers for potential use in US directed-energy defense systems.
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RTX Partners With and Invests in Xcimer Energy to Develop Advanced Directed Energy Technology
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Xcimer Energy Starts Operations of Prototype for Laser Fusion Architecture
Colorado-headquartered Xcimer Energy has announced the start of operations for Phoenix, what the company calls the largest privately owned laser system in the world. Phoenix, named after the legendary bird from Greek and Egyptian mythology, is the company
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Xcimer Energy Announces the Start of Operations for Phoenix, a Prototype System for Industrial-Scale Laser Fusion Architecture
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Xcimer Energy Completes First Private-Sector Electron-Beam Excimer Laser
DENVER, June 11, 2025--Xcimer Energy Inc. announced today that the inertial fusion startup has completed the world's first electron-beam-pumped excimer laser funded by the private sector.
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Xcimer Energy
The Nature Index tracks the affiliations of scientific articles from high-quality publications. The research profile for Xcimer Energy reflects the research output of authors from Xcimer Energy who published articles in the 145 journals included in the Na
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Xcimer Energy: Inertial Fusion Company Raises $100 Million
Xcimer Energy announced that it had raised $100 million in Series A financing led by Hedosophia, with participation from investors including Breakthrough Energy Ventures, Lowercarbon Capital, Prelude Ventures, Emerson Collective, Gigascale Capital, and St
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Xcimer Energy Announces Participation in Three Fusion Energy Hubs Awarded Funding by the U.S. Department of Energy
Xcimer Energy announced that it is participating in three fusion energy
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Tech stack
Technologies named in job postings at Xcimer Energy over the last 12 months, by layer, with the share of postings for each.
Technologies in use
80
Postings analysed
40
Stack modernity
65/100
Languages
Python43%
MATLAB20%
C++15%
C5%
Frameworks & libraries
Ray5%
CUDA3%
MPI3%
Matplotlib3%
Databases
Delta Lake3%
Cloud & platforms
AWS5%
Kubernetes5%
Linux5%
Amazon S33%
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Full Xcimer Energy tech stack
80 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$165k
Typical range
$60k – $284k
Open positions
58
54
Jobs
Intern
13%
Junior
3.7%
Middle
14.8%
Senior
35.2%
Staff
14.8%
Principal
3.7%
Architect
14.8%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Intern | 7 | $70k | $70k |
| Junior | 2 | $149k | $138k – $160k |
| Middle | 8 | $150k | $60k – $190k |
| Senior | 19 | $165k | $104k – $220k |
| Staff | 8 | $178k | $138k – $250k |
| Principal | 2 | $215k | $210k – $220k |
| Architect | 8 | $272k | $225k – $284k |
Highest paying role
Program Director, Plant Control Systems
$284k
Normalized to USD per year
All salaries at Xcimer Energy
By role, level and city, against the market · 58 jobs with pay
People
Alexander Valys
Executive Officer, Director
Conner Galloway
Executive Officer, Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
66/100
Growing
Open positions
58
17 opened / 12 closed in 30 days
Median time-to-fill
118 days
faster than 10% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Industrial Engineering
35% ▲
Energy
11%
Field & Service
7% ▲
Early Careers
7% ▼
Semiconductors
7%
Hardware
5% ▲
Actively hiring for Industrial Engineering (+7 in 30 days)
Activity Timeline
+7 jobs in a week
Oct 2026
Added EVMS to stack
Oct 2026
Added Defense in Depth to stack
Oct 2026
Added Waterfall to stack
Oct 2026
Added PID Control to stack
Oct 2026
Added AutoCAD to stack
Oct 2026
Added RTOS to stack
Oct 2026
Added FreeRTOS to stack
Oct 2026
Added Embedded C to stack
Oct 2026
Added Altium Designer to stack
Oct 2026
Added MIL-STD-461 to stack
Oct 2026
Added SLI/SLO/SLA to stack
Oct 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
Denver
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Headquarters
Builds here
Office with open vacancies
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Denver
United States
HQ
57 open roles 54 posted in 90 days 23% engineering 200-500 est. staff $170k Avg Salary
hires for Industrial Engineering, Energy, Science & Research
10325 East 47th Ave., Denver, CO 80238, USA
Tucson
United States
Plant / site
3 open roles 4 posted in 90 days 10-50 est. staff $112k Avg Salary
hires for Industrial Engineering, Field & Service
Jobs
$140k – $165k per year · In office · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Denver
Jira
Agile
Defense
EVMS
Apply
$140k – $165k per year · In office · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Denver
Jira
Agile
Defense
EVMS
Apply
$100k – $120k per year · In office · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Denver
Confluence
Jira
Agile
Waterfall
Apply
$125k – $150k per year · In office · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Denver
Python
C
C++
Embedded C
DevOps
RTOS
Git
Linux
Robotics
EtherCAT
Chips/EDA
Altium Designer
IoT
FreeRTOS
Apply
$106k – $125k per year · In office · Nationals only · Full-Time · 2+ years exp · Bachelor's Degree · Denver
Python
Git
TCP/IP
Robotics
EtherCAT
PID Control
Management
Jira
MedTech
Verification & Validation
Apply
$127k – $150k per year · In office · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Denver
Python
Git
TCP/IP
Robotics
EtherCAT
Management
Jira
Agile
MedTech
Verification & Validation
Apply
$140k – $165k per year · In office · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Denver
Path Planning
Apply
$241k – $284k per year · In office · Nationals only · Full-Time · 15+ years exp · Denver
Agile
Apply
$140k – $165k per year · In office · Nationals only · Full-Time · 10+ years exp · Bachelor's Degree · Denver
Confluence
Jira
Apply
$50k – $60k per year · In office · Nationals only · Full-Time · 3+ years exp · High School Diploma · Tucson
Apply
$140k – $165k per year · In office · Nationals only · Full-Time · 7+ years exp · Bachelor's Degree · Tucson
Statistical Process Control
SpaceTech
AS9100
FMEA
Apply
$94k – $110k per year · In office · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Tucson
Statistical Process Control
Apply