L3 Support Engineer for COTS Applications

Victrix Legion; Eigenbrakel; Sur place; EUR 70 000 - 90 000; Plein temps

Résumé du poste

Victrix Legion in Belgium seeks an experienced IT professional to manage end-user devices, server infrastructure, and AI/LLM integration. The role emphasizes Windows/Linux environments, AD, SQL Server, IIS, and cloud deployment, with strong security alignment to NATO/CIS standards.

The ideal candidate has 3+ years in software/IT engineering, cross-functional collaboration, and excellent problem-solving skills, in an on-premises setting. French is advantageous and English fluency is required.

Qualifications

• Deep knowledge of Windows, Android and iOS devices.
• Extensive Linux/Windows server and AD experience.
• Advanced SQL Server and IIS experience.
• Strong AI/LLM, cloud, and deployment knowledge.
• Security frameworks and NATO/CIS directives awareness.
• Proficiency with REST, HTML5, XML; JVM/JavaScript knowledge.

Connaissances

End-user devices

Linux server infrastructure

Windows server infrastructure

Active Directory

SQL Server

IIS web apps

AI/LLM knowledge

Cloud (AWS/Azure)

Networking

Security (CIS/NATO)

Web tech (REST, HTML5, XML)

Programming (.NET/C#, Java)

Scripting (Windows/Linux)

Identity management (OAuth/OIDC/SAML)

Troubleshooting

Communication

Description du poste

UNTIL 07 September, 2026

Job Details

On-Prem/Remote: On-Premisses

Minimum Profile Required

Skill, Knowledge & Experience

• Technical Proficiency:
• 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
• iAI/LLM integration
• MLOps and AI Lifecycle Management

• Deep understanding of networking infrastructure.f) 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
• Problem-Solving Skills:

• Strong troubleshooting skills to diagnose and resolve hardware, software, and network issues.
• Ability to guide users through problem-solving steps effectively

• Communication and Interpersonal Skills:

• Excellent verbal and written communication skills
• Full proficiency in English. French language proficiency is of advantage
• Ability to communicate technical information to non-technical users in a clear and concise manner
• Ability to work in cross-functional application management/deployment teams

• Customer Service Orientation:

• Strong customer service focus with a commitment to user satisfaction
• Patience and empathy when dealing with user issues and concerns

• Organizational Skills:

• Ability to manage multiple support tickets and prioritize tasks effectively
• Attention to detail in documenting support activities and maintaining accurate records

• Work Experience:
• 3+ years of relevant experience in the field of computer science or electronic engineering
• Very good knowledge and in various areas of Software Engineering including some of the following:

• Requirements elicitation and management (including non-functional requirements for Operations & Maintenance)
• SW change management and testing;iii. Software design, implementation and testing
• Software Engineering techniques and methodologies
• Application release and deployment management
• Configuration management practices and tools
• Application Lifecycle Management concept and tools

• Team Collaboration:
• Ability to work effectively as part of a team and share knowledge and resources
• Willingness to collaborate with colleagues to solve complex issues
• Candidate has strong customer relationship skills, including negotiating complex and sensitive situations under pressure
• Candidate must have the nationality of one of the NATO nations
• Prior experience in an international environment comprising both military and civilian elements