How many employees work at Mevion Medical Systems?
Mevion Medical Systems, Inc. has approximately 289 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Mevion Medical Systems’s total headcount has grown 4.0% from 278 employees in 2023 to 289 in 2026.
Is Mevion Medical Systems hiring right now?
Yes, Mevion Medical Systems is actively hiring. Mevion Medical Systems had 43 active job postings in 2026, a 68.8% increase from 2025 — see job openings & hiring trends.
About Mevion Medical Systems’s Workforce
Mevion Medical Systems, Inc. is a leading provider of proton therapy systems for use in radiation treatment for cancer patients. Mevion is privately held and based in Littleton, Massachusetts, with international offices in the United Kingdom and Japan and a joint venture in China. For more information, please visit www.mevion.com. About the MEVION S250 Series: The MEVION S250 Series is elegantly designed to deliver high-powered, efficient proton therapy treatments. Built upon the world’s only gantry-mounted proton accelerator and benefitting from Mevion’s patented direct beam technology, the MEVION S250 Series delivers on the therapeutic promise of proton therapy while enhancing beam quality, stability and uptime. The result is reduced system complexity, higher reliability and throughput, and lower capital and operating costs—making the MEVION S250 Series a compelling, financially viable solution for all cancer centers. The Series is comprised of: • MEVION S250, offering highly stable, next-generation volumetric delivery capabilities • MEVION S250i with HYPERSCAN technology, overcoming pencil beam scanning uncertainties by delivering robust Intensity Modulated Proton Therapy treatment at hyper-speed • MEVION S250mx, making proton therapy fully scalable, with two, three and four room designs that are inherently redundant and guarantee 100 percent facility uptime
Sourced from Revelio Labs workforce data.
- Headquarters
- Town of Littleton, Massachusetts
- Founded
- 2004
- Industry
- Healthcare and Wellness Services
- Employees
- 289
- YoY
- +4.3% (+24)
As of March 2026
Mevion Medical Systems workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Mevion Medical Systems. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsMevion Medical Systems Annual Employee Count (2023-2026)
- Mevion Medical Systems had 289 employees in 2026, a 4.3% increase (+24) from 2025.
- Mevion Medical Systems had 281 employees in 2025, a 3.5% increase (+16) from 2024.
- Mevion Medical Systems had 265 employees in 2024, a 1.0% decline (-2) from 2023.
- Mevion Medical Systems had 267 employees in 2023, a 2.9% decline (-10) from 2022.
Mevion Medical Systems, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 289 | +24 | +4.3% |
| 2025 | Q4 | 281 | +16 | +3.5% |
| 2025 | Q3 | 279 | +22 | +4.3% |
| 2025 | Q2 | 284 | +22 | +5.0% |
| 2025 | Q1 | 265 | +2 | +0.9% |
| 2024 | Q4 | 265 | -2 | -1.0% |
| 2024 | Q3 | 257 | -18 | -4.8% |
| 2024 | Q2 | 262 | -16 | -5.9% |
| 2024 | Q1 | 263 | -8 | -3.1% |
| 2023 | Q4 | 267 | -10 | -2.9% |
| 2023 | Q3 | 275 | +2 | -0.9% |
| 2023 | Q2 | 278 | -2 | -2.4% |
See Mevion Medical Systems's complete headcount history, including quarterly breakdowns.
Get the DataMevion Medical Systems Employee Count by Region (2026)
Mevion Medical Systems employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 219 | 76.0% |
| East Asia | 52 | 18.1% |
| Western Europe | 5 | 1.9% |
| Southeast Asia | 3 | 1.2% |
| South Asia | 2 | 0.8% |
| Northern Europe | 2 | 0.8% |
| Arab States | 2 | 0.7% |
| Central and Western Asia | 1 | 0.3% |
| Central America and the Caribbean | 0 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataMevion Medical Systems Employee Count by Department (2026)
Mevion Medical Systems employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 156 | 54.7% |
| Engineering | 77 | 27.1% |
| Sales and Marketing | 52 | 18.2% |
Compare Mevion Medical Systems's department mix to industry peers.
See Full DataMevion Medical Systems Employee Salary by Region (2026)
Mevion Medical Systems median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $109,000 |
| Western Europe | $64,000 |
| East Asia | $49,000 |
| Southeast Asia | $15,000 |
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Unlock Salary DataMevion Medical Systems Job Openings and Hiring Trends (2023-2026)
- Mevion Medical Systems had 43 active job postings in 2026, a 68.8% increase (+3) from 2025.
- Mevion Medical Systems had 40 active job postings in 2025, a 90.9% increase (+25) from 2024.
- Mevion Medical Systems had 15 active job postings in 2024, a 133.3% increase (+12) from 2023.
- Mevion Medical Systems had 3 active job postings in 2023, a 140.0% decline from 2022.
- Hiring velocity in 2026: 31 new roles/month, up from 15 in 2025 and 4 in 2024.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataMevion Medical Systems Employee Sentiment (2026)
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
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Frequently Asked Questions About Mevion Medical Systems
- How fast is Mevion Medical Systems growing?
- In 2026, Mevion Medical Systems's headcount grew 4.3% to 289 employees, up from 265 in 2025.
- See the full headcount history
- Where are Mevion Medical Systems employees located?
- Most Mevion Medical Systems employees are based in North America (76.0% of headcount), followed by East Asia and Western Europe.
- Explore where the workforce is based
- What is the average salary at Mevion Medical Systems?
- The average employee salary at Mevion Medical Systems is approximately $113.1k per year.
- Analyze the salary distribution
- How many new job postings does Mevion Medical Systems open per year?
- In Q1 2026, Mevion Medical Systems opened 94 new job postings. In 2025, Mevion Medical Systems opened 182 new job postings — about 15 per month.
- Track hiring trends by role
- When was Mevion Medical Systems founded and where is it headquartered?
- Mevion Medical Systems was founded in 2004 and is headquartered in Town of Littleton, Massachusetts.
- Compare Mevion Medical Systems to industry peers
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