L3 Support Engineer for COTS Applications2 positions

Victrix Legion; Brussel Hoofdstad; Sur place; EUR 90 000 - 120 000; Plein temps

Résumé du poste

Victrix Legion is seeking a seasoned IT professional to join its security and infrastructure team. The role requires deep knowledge of end-user devices, server ecosystems, and modern application platforms across Windows, Linux, and cloud environments.

The ideal candidate will bring hands-on expertise with AI/LLM integration, MLOps, and secure deployment practices in CIS and NATO contexts. Excellent collaboration with cross-functional teams is required.

Qualifications

• Deep understanding of end-user devices across Windows, Android, and iOS platforms.
• Expert knowledge of Linux server infrastructure and Windows server infrastructure with Active Directory.
• Expert knowledge of Microsoft SQL Server 2019-2025 and IIS based web applications.
• Very good understanding and experience with AI/LLM: cloud and on premises, MLOps and lifecycle management.
• Deep understanding of networking infrastructure and cloud deployment (AWS/Azure).
• Deep understanding of PKI and CIS security constraints.
• NCIA and NATO security directives knowledge and industry standards.

Connaissances

Windows OS

Android OS

iOS/iPadOS

Linux server infrastructure

Windows server infrastructure

Active Directory

Microsoft SQL Server

IIS Web Applications

AI/LLM integration

MLOps

Cloud technologies

AWS

Azure

Networking

PKI

Security CIS

NCIA/NATO directives

Outlook/Teams/SharePoint

HTML5

REST & Web Services

XML

HTTP

SQL

.NET/C#

JAVA

JavaScript

Scripting (Windows/Linux)

Outils

IIS

JBOSS

Apache Tomcat

.NET based applications

Description du poste

• 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.
• 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;

UNTIL 02 September, 2026

Job Details

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;