Overview
DEME Group is a Belgian marine engineering contractor headquartered in Zwijndrecht near Antwerp, working in dredging, marine infrastructure, offshore energy and environmental remediation. Tracing its roots to 1876, it operates a large fleet of dredgers and offshore installation vessels, installs wind farms and subsea cables worldwide, and holds concessions in offshore wind, green hydrogen and port infrastructure. It hires tender engineers and managers, cable installation and vessel technical engineers, project managers, crew cadets, finance, payroll and compliance staff and software developers.
Key facts
As of Nov 13, 2026, Alion lists 94 open roles at DEME Group. DEME Group is headquartered in Zwijndrecht, Belgium. It was founded in 1991.
- Headquarters
- Zwijndrecht, BelgiumAlion company profile, updated Nov 13, 2026
- Founded
- 1991Alion company profile, updated Nov 13, 2026
- Employees
- 5000+Alion company profile, an estimated range
How DEME Group hires
Median time to fill
76 days
DEME Group scores A on the Alion truth index (A is best, E worst), measured over 88 open roles re-checked against its own hiring board: 0% look like ghost listings, 17% have gone stale and 0% are the same role posted again. Its roles close in a median of 76 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
Tech stack
Technologies named in job postings at DEME Group over the last 12 months, by layer, with the share of postings for each.
Stack modernity
75/100AI adopter
Languages
C#37%
SQL26%
Python21%
JavaScript11%
Frameworks & libraries
ASP.NET Core11%
Entity Framework Core5%
React.js5%
Cloud & platforms
OpenShift26%
Azure21%
.NET16%
Power BI16%
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Full DEME Group tech stack
45 technologies · by team · pay by technology · changes · similar stacks
Offices
Where the company hires and what each office is for
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
Breda
Netherlands
Support & operations
Netherlands Breda office
10 open roles 9 posted in 90 days 1000-5000 est. staff
hires for Operations, Industrial Engineering, Finance
seen since Jan 2026 job postings
Amsterdam
Netherlands
Regional office
Netherlands Amsterdam office
7 open roles 2 posted in 90 days 14% engineering 1000-5000 est. staff
hires for Management, Industrial Engineering, DevOps
seen since Dec 2022 job postings
Netherlands Dordrecht office
2 open roles 2 posted in 90 days 500-1000 est. staff
hires for Administrative, Field & Service
seen since Oct 2026 job postings
India office
1 open roles 1 posted in 90 days 200-500 est. staff
hires for Administrative
seen since Nov 2026 job postings
Earlier presence
Luxembourg City, Luxembourg
1 open roles · last posting May 2026