L3 Support Engineer for COTS Applications 2 positions

UNTIL 02 September, 2026

Job Details

Location: Brussels, Belgium

Minimum Profile Required

Skill, Knowledge & Experience:

• Deep understanding of end-user devices (desktops, laptops, tablets, smartphones) running Windows OS, Android OS and Apple iPhones/iPads.
• Expert knowledge of Linux server infrastructure, Windows server infrastructure and Active Directory.
• Expert knowledge of Microsoft SQL Server 2019-2025 and IIS based web applications.
• Very good understanding and experience with AI/LLM:. LLMs knowledge (cloud and on premises based); Agentic systems development; AI/LLM integration; MLOps and AI Lifecycle Management
• Deep understanding of networking infrastructure.
• Very good knowledge of cloud technologies and cloud deployment for both AWS and Azure.
• Deep understanding of PKI.
• Expert knowledge relevant to software engineering: Technologies and standards (at least 4 of them): HTML5, REST & Web Services, XML, HTTP, SQL, Visual Basic for Applications; Identity Management (OAuth, OIDC, SAML2) application integration; Application server technologies and Relational Database Management Systems; Programming languages and platforms - .NET/C#, JAVA, JavaScript; Task automation through scripting in both Windows and Linux.
• Deep understanding of security constraints and requirements in CIS.
• Deep understanding of NCIA and NATO security directives and regulations, along with understanding of industry best practices and standards.
• Familiarity with Microsoft services and tools, including Outlook, Teams, SharePoint.
• Experience and good knowledge of at least the following COTS technologies: IIS, JBOSS, Apache Tomcat; .NET based applications
• Extensive experience in deployment and management of client-server applications, application integration and data transformation for application integration;

How to Apply

Please contact us with your resume and a brief introduction before 02 September, 2026