




Job Summary: We are seeking senior Software and Systems Solution Architects to lead technical decisions in defense and critical systems projects. Key Highlights: 1. Participation in high-impact technological strategic projects. 2. Working with advanced engineering methodologies and tools. 3. A highly specialized technical environment. Location Madrid Salary 40,000 € \- 50,000 € Gross/year Category Information Technology and Telecommunications Subcategory Systems Sector Information Technology and Services Work Schedule Full-time Work Modality Hybrid Professional Level Employee Department Engineering ### **Description** At **NS Group**, we seek to hire **4 Software and Systems Solution Architects** to participate in strategically important, highly complex projects in the defense and critical systems domain. We are looking for **senior profiles** with experience in **systems architecture, Model-Based Systems Engineering (MBSE), and frameworks such as NAF v4 and UAF**, capable of leading technical decisions and ensuring full traceability across requirements, architecture, design, and verification. The position offers a work model with **60% remote work**, and onboarding options in Alcobendas (Madrid), León, or Barcelona. ***Main Responsibilities*** * Define complex systems and software solution architectures. * Ensure traceability among capabilities, requirements, architecture, design, and verification. * Maintain reference architectures aligned with NAF v4 and UAF. * Develop operational, systems, services, logical, and physical views. * Implement MBSE as a cross-cutting practice. * Manage baselines, versioning, and model consistency. * Serve as the technical authority for architectural decisions. * Validate compliance with regulations such as ENS, NATO standards, and data sovereignty requirements. * Coordinate with engineering, development, cybersecurity, and project management teams. * Participate in proposals, technical documentation, and key system lifecycle milestones. ***Position Conditions*** * Vacancies: 4\. * Work Modality: 60% remote work. * Preferred Location: Alcobendas (Madrid). * Other Possible Locations: León or Barcelona. * Sector: Defense and Critical Systems. ***What We Offer*** * Participation in high-impact technological strategic projects. * Work with advanced engineering methodologies and tools. * A highly specialized technical environment. * Opportunity to join NS Group, a leading IT services company. * Contract Type: Permanent ### **Minimum Requirements** **Essential Requirements** Minimum of **5 years’ experience as a Software or Systems Solution Architect.** University degree in: * Computer Engineering * Telecommunications Engineering * Or equivalent English proficiency level: **B2\-C1**. Solid knowledge of: * NAF v4 * UAF * MBSE * SysML * UML Experience with: * REST APIs * Microservices * Cameo Systems Modeler * DOORS or ReqIF Eligibility to obtain the **HPS (Personal Security Clearance)**. **Desirable Requirements** * Experience leading modular, scalable, and highly available architectures. * Use of collaborative repositories. * Technical leadership and mentoring capabilities. ### **Competencies** * microservices * DOORS * DEFENSE * CRITICAL SYSTEMS * Model-Based Systems Engineering (MBSE) * NAF v4 * UAF * MBSE * SysML * REST APIs * Cameo Systems Modeler * ReqIF


