Infrastructure Specialist

About ENTSO-E

ENTSO-E is the European Network of Transmission System Operators for Electricity. We coordinate the cross-border system operations, system development and electricity market activities of the 40 electricity transmission system operators (TSOs) which cover 36 countries. The ENTSO-E Secretariat in Brussels provides support on technical, market and policy developments for all European TSOs in their cooperation with each other, in their joint fulfilment of their legal mandates, and in the intensive interactions with EU decision-makers, regulatory agencies, associations representing network users and other stakeholders.

If you are interested in having an active role in the energy transition, you should consider joining ENTSO-E. We are a dynamic European association working on important and exciting projects of the electricity sector with the commitment to support the efforts towards a carbon-neutral power system. At ENTSO-E, you will contribute to building the world's largest integrated electricity market – impacting not only those in the energy sector but also Europe's overall economy, today and in the future

Job description

We are looking for a highly professional and skilled Infrastructure Specialist, passionate about delivering stable, secure, and efficient IT infrastructure services. Do you have strong technical expertise in Microsoft-centric environments and virtualization, combined with excellent problem-solving and coordination skills? Are you ready to work in a dynamic international organisation supporting both day-to-day IT operations and strategic infrastructure projects? If yes, ENTSO-E is the right place for you.

As a Infrastructure Specialist at ENTSO-E, you will maintain, optimize, and support the internal core IT systems, including servers, networks, cloud platforms, and endpoint devices, primarily within a Microsoft environment. You will contribute to the resilience and performance of IT services by ensuring infrastructure stability, security, and continuous improvement.

In this role, you will work in the ENTSO-E Secretariat in Brussels in the ICT section, reporting directly to the IT Internal Services Manager.

You will have the opportunity to work in a hybrid model, allowing for a blend of remote and in-office work to support a good work-life balance.

Your responsibilities

• Maintain, configure, and support physical and virtual servers and networks
• Manage Microsoft environments including Windows Server, Active Directory, Azure AD, Intune, and Microsoft 365
• Monitor and optimize VMware virtualization platforms (vSphere/ESXi)
• Administer endpoint lifecycle and compliance through Intune
• Implement IT security measures including identity management, patching, backup, and disaster recovery
• Troubleshoot and resolve infrastructure-related incidents and requests
• Lead or contribute significantly to infrastructure upgrades, migrations, and audits
• Coordinate independently with teams and vendors to deliver solutions and resolve complex issues
• Stay current with emerging technologies and industry best practices
• Create and maintain clear system documentation and operational procedures
• Support knowledge sharing and mentor junior IT colleagues
• Participate in shaping infrastructure standards, policies, and long-term IT strategies

Your profile

We are looking for someone with the following skills and abilities:

• Bachelor's degree in Computer Science, Information Technology, Systems Engineering, or equivalent experience
• Minimum of 4 years of relevant experience in IT infrastructure management
• Strong knowledge of Microsoft technologies: Windows Server, Active Directory, Azure, Entra ID, Intune
• Experience with VMware virtualization platforms (vSphere, ESXi)
• Familiarity with scripting and automation tools (e.g., PowerShell)
• Solid understanding of Group Policy, DNS, DHCP, patch management, and IT security best practices
• Willingness to learn and continuously develop new skills.
• Excellent writing and oral communication skills in English.
• Motivation to work within a multinational and multicultural professional environment.
• Positive mindset aligned with the values of ENTSO-E: Team, Trust, Integrity, Future-thinking, Excellence.

Additional assets (not mandatory):

• Knowledge of network protocols and IP addressing
• Experience with Lansweeper, Fortinet security appliances, Cisco Umbrella, Citrix ShareFile
• Experience with Microsoft Authenticator, VEEAM Backup & Replication, Linux servers
• Certifications such as Microsoft (MCSA, Azure Administrator), VMware, Fortinet NSE, Cisco, ITIL Foundation

Our offer

Our people are truly at the heart of our association. You will be part of a multinational and multi-cultural environment, with colleagues from over 30 different nationalities. We believe in a diverse and inclusive workforce which allows us to create an environment where we learn from each other and develop together. We strongly believe in continuous learning and offer a broad range of training and development opportunities to our employees. We are a hybrid workplace and offer a maximum of flexibility enabling to have a good balance between remote working (from Belgium) and engaging physically with colleagues.

We offer market competitive compensation and an extensive benefit package, with excellent insurance coverage for you and direct family members (such as hospitalization, supplemental medical plan). You will benefit from group insurance and travel insurance. You will have the opportunity to participate in a Flexible Benefits Plan to choose for those benefits that create the best value for you.

Interested?

Please submit your application
no later than 21 October 2025,
consisting of a curriculum vitae and a motivational letter on the ENTSO-E career site. Replies will be handled in strictest confidence.

ENTSO-E is an equal opportunities employer.