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CEL S.A. Tech Stack

IT infrastructure, security, and energy solutions for Luxembourg enterprise

IT Services and IT Consulting Luxembourg 51–200 employees Founded 1945 Privately Held

CEL is a 79-year-old enterprise IT and security integrator operating exclusively in Luxembourg, with a stack anchored in SAP, VMware, and Microsoft technologies. Current hiring is concentrated in engineering (4 roles) and security (3 roles) alongside a notable push to strengthen after-sales service and support functions—a pattern suggesting the company is scaling operational maturity and service delivery depth rather than chasing new product development.

Tech Stack 12 technologies

Core StackSAP VMware C# Java .NET SQL Server Oracle Windows Modbus Microsoft Office Excel PowerPoint

What CEL S.A. Is Building

◆Challenges

Growth in technical domain
Strengthening the sav department
Supporting growth in after-sales service
Improving reporting processes
Strengthening sales team
Optimiser les coûts
Améliorer la performance globale
Strengthening after-sales service
Expanding maintenance contract portfolio
Guaranteeing contract financial results

▲Active Projects

Modern building and security technology projects
Small projects related to contracts

Hiring Activity

Accelerating15 roles · 7 in 30d

Department

Engineering

4

Security

3

Support

3

Finance

2

Ops

2

Sales

1

Seniority

Mid

10

Junior

2

Senior

2

Manager

1

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About CEL S.A.

CEL operates three integrated business lines: IT & Unified Communications, Security & Building Technologies, and Secure & Efficient Electrical Energy. The company serves Luxembourg enterprises with infrastructure integration, security deployment, and energy management solutions, leveraging partnerships with vendors including Avaya, Fortinet, Dell, HP, and Microsoft. At 51–200 employees and founded in 1945, CEL maintains a regional focus with stable technical depth but is actively recruiting to address growth in technical domains and expand its after-sales service and maintenance contract portfolios.

HeadquartersLuxembourg

Company Size51–200 employees

Founded1945

Hiring MarketsLuxembourg

Frequently Asked Questions

What tech stack does CEL use?

SAP, VMware, Windows, SQL Server, and Oracle form the core. Development uses C# and Java on .NET. Day-to-day tools include Microsoft Office and Excel for reporting and operations.

Where is CEL headquartered and hiring?

CEL is based in Luxembourg and hires exclusively within Luxembourg. Current open roles span engineering, security, support, finance, operations, and sales functions.

What is CEL currently working on?

Active projects center on modern building and security technology deployments and smaller contract-based engagements. The company is also focused on strengthening after-sales service capacity and expanding its maintenance contract portfolio.