LEADER IN ENGINEERING & IT SERVICES

ALTEN supports its customers’ development strategies in the areas of innovation, R&D and technological information systems.

Created more than 30 years ago and based in 30 countries, the Group has established itself as a world leader in Engineering and IT Services.
We work with key actors in the Aeronautics & Space, Defence & Naval, Security, Automotive, Rail, Energy, Life Sciences, Finance, Retail, Telecommunications, and Services sectors.

With a financial turnover of more than 4.10 billion euros, we currently have more than 57,400 professionals all over the world.

KEY FIGURES

15,8 m€

2025 revenue

344+

colleagues

2

offices

join us!

ALTEN offers you the chance to grow and develop your professional career in a leading company.

In which direction do you want to develop? We may have the perfect position for you! Discover our different profiles:

Find your perfect job

8 Job offers

COMPETENCE AREAS
Process Engineer
Aveiro Portugal
25/05/2026
Procurement Specialist
Portugal Sines Municipality
25/05/2026
Data Analyst
Aveiro
15/05/2026
Financial Controller
Lisbon
15/05/2026
Java Engineer
Paço de Arcos Portugal
14/05/2026
PAS/PIS Engineer
Lisbon
06/05/2026
Test Automation Engineer
Lisbon
06/04/2026
Integration Engineer
Lisbon Portugal
06/04/2026

our offices

Lisbon

Rua Mar da China, 3
3rd floor
1990-203 Lisbon

View on Google Maps +351 210 996 143

Porto

Avenida Sidónio Pais, 153
Torre A, 6º Andar
4100-467 Porto

View on Google Maps +351 22 205 8272

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