Medior Citrix Engineer - Energy Sector - Brussels - ASAP Start - Freelance / CDI

A major player in the European energy sector is looking for a Citrix System Engineer to strengthen its Group Server Team – Windows. The organisation operates critical infrastructure supporting a sustainable and reliable energy network across multiple countries.

The consultant will contribute to the stability and performance of key server environments and work alongside a team dedicated to secure, resilient IT operations.

The consultant will be responsible for the day‑to‑day operational management of Windows Server and Citrix environments.

This role is operational (L2), not architectural.

Key aspects of the role

• 80% Windows Server operations
• 20% Citrix operations
• Part of a team of 6 system engineers

The engineer will handle incidents escalated beyond the helpdesk, investigate environment and user issues, and help maintain a highly available and secure infrastructure.

Responsibilities

Operational Support (Level 2)

• Manage daily operations on Windows and Citrix environments.
• Troubleshoot and resolve incidents escalated from first‑line support.
• Investigate complex user or system issues and ensure resolution.
• Maintain availability, reliability, and performance of server infrastructures.

Citrix Environment Management

• Operate and maintain:

Virtual Apps & Desktops, Delivery Controllers, StoreFront, Workspace App, Director, Studio, Profile Management, NetScaler (on‑prem).
• Ensure stability and performance in a highly available Citrix landscape.

Windows Server Management

• Operate and support Windows Server 2016–2025 infrastructure.
• Provide in‑depth troubleshooting in collaboration with team members.

General Activities

• Collaborate closely with the server operations team.
• Write process documents and operational procedures.
• Work proactively to prevent issues and ensure environment health.
• Adapt quickly to new tools and environments.

Mandatory Technical Skills

• Operational experience (medior level) in:• Citrix environments: Virtual Apps & Desktops, StoreFront, NetScaler, Director, Studio, Profile Management.
• Windows Server 2016–2025

• Ability to understand and operate highly available infrastructures.
• Strong understanding of networking and security concepts.
• Languages:• Native level in either French or Dutch
• Ability to understand/speak French, Dutch, and English

Valuable Additional Skills (Plus)

• Citrix certifications (CCA‑V, CCA‑AppDS)
• Active Directory
• MS Exchange
• MS SCOM / SCCM
• VMware vSphere ESX
• PowerShell (advanced is a strong plus)
• NetApp storage (L1–L2)
• PRTG monitoring
• Anti‑malware solutions (Trend Micro, ScanMail, MailMarshal, TMCM)
• Knowledge of German

Soft Skills

• Strong team spirit and communication skills
• Able to work independently and remain accountable
• Stress‑resistant, organised, and comfortable with strict deadlines
• Customer‑oriented mindset
• Strong troubleshooting and analytical skills
• Able to quickly learn and adapt to new environments
• Capable of producing clear documentation
• Possession of a driver’s licence, car, and mobile phone

Additional Information

• The client values diversity and inclusion, offering a positive work culture focused on well-being
• Opportunity to contribute to innovative, ground-breaking technologies in the energy sector