Software Architect - Global Opportunity

Oesía Group; Rivas-Vaciamadrid; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Oesía Group in Spain is seeking a Software Architect for a major project in Rivas Vaciamadrid or Seville, in hybrid mode. The candidate should have 8+ years in defense, aerospace, security, or similar sectors, and at least 3 years in software architecture roles.

You will lead multi-domain software architectures, ensure interoperability across platforms and mission systems, define reference architectures, and provide technical governance for complex solutions. English at B2 level is required.

Qualifications

• 8+ years in defense, aerospace, security, critical software, or similar sectors.
• At least 3 years in software architecture roles.

Responsibilities

• Lead the definition and evolution of software architectures for multi-domain integration solutions.
• Ensure interoperability among platforms, sensors, mission systems, command and control systems, edge computing, and AI.
• Define reference architectures.
• Provide technical governance for complex solutions.

Skills

Software architecture

Leadership

MBSE

NATO interoperability

Systems-of-systems

C2/ISR integration

AI for operations

Distributed/cloud/edge

Job description

¡At Oesia Group, we are growing! We would like to count on you for our next job offer:
We are looking fora Software Architect to join an important Project located in Rivas Vaciamadrid or Sevillein hybridjob modality.

This opportunity is open to international talent across the European Union. If you are currently based in another EU country and interested in relocating to Spain, we would be happy to hear from you.

What are we looking for?

• An/a Software Architect, with at least 8 years of experience.
• Availability to join a stable project in Rivas Vaciamadrid or Seville.
• Work Model:hybrid

Requirements:

• At least 8 years of experience in projects in the defense, aerospace, security, critical software, or similar sectors.
• At least 3 years in software architecture roles.
• Experience with distributed, cloud, edge, and federated architectures.
• Knowledge of defining systems-of-systems architectures.
• Experience integrating C2, ISR, communications, and/or mission systems.
• Knowledge of NATO interoperability standards and/or open architectures.
• Experience with MBSE activities and model-based design.
• Knowledge of artificial intelligence technologies applied to operational systems.
• Ability to provide technical leadership and coordinate multidisciplinary teams.
• Minimum B2 level of English.

What will your responsibilities be?

• Lead the definition and evolution of software architectures for multi-domain integration solutions.
• Ensure interoperability among platforms, sensors, mission systems, command and control systems, edge
• computing, and artificial intelligence.
• Define reference architectures.
• Provide technical governance for complex solutions.

What we offer you?

• Work in a multinational company recognized as one of the best companies to work for in 2025, according to Actualidad Económica and Forbes.
• Stable and innovative technological projects for leading national and international clients.
• Career plan: we offer an attractive professional career based on experience and personal potential within a continuously evolving company with solid growth.
• Free access to various training platforms, providing you with a wide multidisciplinary catalog.
• Flexible compensation.
• A positive, healthy, and cooperative work environment. Teamwork is the cornerstone of the company's project successes.

An equal, diverse company with great Corporate Social Responsibility.

Have you heard of us?

With over 3.800 professionals in 20 corporate offices across Spain, Brussels, Latin America, and Asia, it generates quality employment and helps people grow in technical careers.