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Oesia Tech Stack

Defense and technology consulting with embedded systems and managed IT services

IT Services and IT Consulting Rivas, MADRID 1,001–5,000 employees Privately Held

Oesia operates a dual-division model: Oesia TIC handles commercial technology consulting across Spain and Latin America, while Tecnobit focuses on defense and security contracts. The stack—C++, C#, .NET, Oracle, and specialized tools like Enterprise Architect, ArcGIS, and DO-178 certification frameworks—reflects deep embedded systems and aerospace expertise. Active projects span optronics, UAS flight testing, sensor fusion, and cryptographic hardware, paired with pain points around legacy Oracle Forms migration and obsolescence management, indicating sustained work in safety-critical domains where modernization runs against operational continuity.

Tech Stack 156 technologies

Core StackC++ C# .NET ArcGIS Jenkins Java Spring JavaScript Oracle PL/SQL JUnit Jira SAP Qt WPF Enterprise Architect Git LTspice Microsoft Project DB2 SQL Oracle Primavera C DO-178 GNSS Microsoft Office Altium Designer OrCAD Mentor Graphics IBM Rational DOORS+118 more

What Oesia Is Building

◆Challenges

Identifying cost savings opportunities
Project cost tracking
Managing multiple projects simultaneously
Risk analysis
Cross-department compliance
Meeting production kpis
Migrating legacy oracle forms to newer versions
Optimizing pl/sql performance
Gestión de la obsolescencia
Control de la configuración

▲Active Projects

Optrónica portfolio development
Solution delivery for clients
New software features for client
Industrialization of new products
Gestión de proyectos de ils
Proyecto estable en rivas-vaciamadrid
Uas flight testing
Sensor fusion algorithm development
Secure microelectronic systems development
Cryptographic hardware roadmap

Hiring Activity

Steady100 roles · 45 in 30d

Department

Engineering

64

Support

7

Finance

5

Ops

4

Sales

4

Security

3

HR

2

Legal

2

Seniority

Senior

45

Mid

27

Junior

16

Intern

12

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About Oesia

Oesia is a multinational technology consulting firm headquartered in Rivas, Madrid, with operations across Spain, Latin America, and Europe. The company serves public administration, healthcare, banking, insurance, industrial, energy, utilities, telecommunications, and defense sectors. Oesia TIC focuses on commercial technology solutions and managed IT services; Tecnobit specializes in defense, security, and aerospace applications. Active hiring (103 open roles, 43 posted in the last 30 days) is concentrated in engineering, with a senior-skewed workforce, reflecting project-delivery and system-integration work across both divisions.

HeadquartersRivas, MADRID

Company Size1,001–5,000 employees

Hiring MarketsSpain, Belgium

Frequently Asked Questions

What is Oesia's tech stack?

C++, C#, .NET, Java, Spring, Oracle, DB2, Git, Jenkins, SAP, and specialized tools: Enterprise Architect, DO-178, ArcGIS, Qt, Altium Designer. Mix indicates embedded systems, aerospace, and enterprise IT integration work.

What is Oesia working on?

Active projects include optronics portfolio development, UAS flight testing, sensor fusion algorithms, cryptographic hardware, and industrialization of new products. Also managing solution delivery for clients and enterprise software feature work.