How many employees work at i/o Data Centers?
i/o Data Centers LLC has 1,478 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -0.2%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About i/o Data Centers
IO is now Iron Mountain. Together, we offer customers a global data center portfolio that includes 11 domestic and international colocation facilities, 900 customers, and more than two million gross square feet. Iron Mountain Data Centers, a division of Iron Mountain Incorporated, is a leading provider of wholesale data center and colocation services. The company’s national portfolio of underground and purpose-built data centers addresses the exacting requirements of highly regulated organizations such as Federal Government agencies, Fortune 1000 enterprises, healthcare and life sciences organizations, financial services companies and cloud services providers. Iron Mountain data center services include dedicated data centers, private data center suites, secure cages, individual cabinets, helping hands remote support, and carrier-neutral network services. For more than 30 years, discerning colocation customers continue to choose Iron Mountain data center services for the company’s proven track record, successful relationships, maximum efficiency, predictable results and established a reputation as the safe choice. Visit www.ironmountain.com/data-centers for more information.
As of September 2025
i/o Data Centers
workforce metrics
Headcount
1.5k
Avg. Salary
$51.6k
Tenure
5.3yr
Growth Rate
-0.2%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of i/o Data Centers annual worldwide employee count from 2023 to 2025.
- i/o Data Centers total number of employees in 2025 was 1,475.702, a 0.2% decline from 2024.
- i/o Data Centers total number of employees in 2024 was 1,476.969, a 0.2% decline from 2023.
- i/o Data Centers total number of employees in 2023 was 1,480.618, a 0.2% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of i/o Data Centers annual active job postings from 2023 to 2025.
- i/o Data Centers active job postings in 2025 was 443, a 118.7% increase from 2024.
- i/o Data Centers active job postings in 2024 was 83, a 28.0% decline from 2023.
- i/o Data Centers active job postings in 2023 was 110, a 80.1% decline from 2022.
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Employee Sentiment
Sentiment Topics
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