Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Overview

John Cockerill is a Belgian industrial engineering group active in energy, defense, industry and mobility.

Tech stack

Technologies named in job postings at John Cockerill over the last 12 months, by layer, with the share of postings for each.
Technologies in use
8
Postings analysed
7
Stack modernity
69/100
Languages
Python
JavaScript
Node JS
Frameworks & libraries
Commander.js
Cloud & platforms
RTOS
Power BI
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Full John Cockerill tech stack 8 technologies · by team · pay by technology · changes · similar stacks

Growth

Hiring Momentum
30/100
Slowing
Open positions
44
1 opened / 1 closed in 30 days
Median time-to-fill
14 days
faster than 60% of the market
ATS activity
Every ~3 hours
Today
Hiring Dynamics 0%
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.
Management
17% ▲
Early Careers
17% ▲
Field & Service
11% ▲
Industrial Engineering
11% ▲
Sales
9% ▲
Hospitality
9% ▲
Actively hiring for Management (+8 in 30 days)

Offices

Where the company hires and what each office is for
Cities
12
Hiring now
12
Countries
2
Busiest office
Versailles
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Headquarters Builds here Office with open vacancies Tap a pin for the office
Versailles France
Regional office
10 open roles 10 posted in 90 days 40% engineering
hires for Early Careers, Backend, QA
seen since Sep 2026 job postings
Guyancourt France
Regional office
8 open roles 8 posted in 90 days 25% engineering
hires for Product, Management, Backend
seen since Sep 2026 job postings
Seraing Belgium
Plant / site
6 open roles 7 posted in 90 days
hires for Industrial Engineering, Early Careers, Sales
seen since Sep 2026 job postings
Clermont-Ferrand France
Sales office
3 open roles 3 posted in 90 days
hires for Sales, Management
seen since Sep 2026 job postings
Saint-Nazaire France
Regional office
3 open roles 3 posted in 90 days
hires for Early Careers, Industrial Engineering
seen since Sep 2026 job postings
Lille France
2 open roles 2 posted in 90 days
hires for Management, Field & Service
seen since Sep 2026 job postings
Fos-sur-Mer France
2 open roles 2 posted in 90 days
hires for Sales, Hospitality
seen since Sep 2026 job postings
Saint-Denis France
1 open roles 1 posted in 90 days
hires for Management
seen since Sep 2026 job postings
Namur Belgium
1 open roles 1 posted in 90 days
hires for Management
seen since Oct 2026 job postings
L'Isle-Jourdain France
1 open roles 1 posted in 90 days
hires for Field & Service
seen since Sep 2026 job postings
Thionville France
1 open roles 1 posted in 90 days
hires for Hospitality
seen since Sep 2026 job postings
Cattenom France
1 open roles 1 posted in 90 days
hires for Hospitality
seen since Sep 2026 job postings

Jobs

≈ $66k – $126k per year (Estimated) • In office • Full-Time • Guyancourt
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≈ $55k – $144k per year (Estimated) • In office • Full-Time • Guyancourt
PKI
Apply
≈ $67k – $128k per year (Estimated) • In office • Full-Time • Guyancourt
RTOS
Apply
≈ $55k – $112k per year (Estimated) • In office • Full-Time • Guyancourt
RTOS
Apply
≈ $46k – $82k per year (Estimated) • In office • Internship • Versailles
Python
Apply
≈ $43k – $123k per year (Estimated) • In office • Internship • Versailles
Apply
≈ $37k – $66k per year (Estimated) • In office • Full-Time • Versailles
Apply
≈ $63k – $115k per year (Estimated) • In office • Full-Time • Guyancourt
CI/CD
Cybersecurity
SBOM
Apply

Financials

Total raised
$2.6M
Latest round
Grant
Funding rounds
6
Funding rounds
Round Announced Amount
Grant 2020 $108k Details
Grant 2019 $474k Details
Grant 2019 $523k Details
Grant 2017 $1.1M Details
Grant 2016 $33k Details
Grant 2016 $396k Details