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.

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 Infrastructure Specialist at ENTSO-E, you will maintain, optimize, and support the Secretariat's core internal 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 Internal IT Services Manager.

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 request.
• 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
• 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
• 3-5years of relevant experience in IT infrastructure management
• 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

At ENTSO-E, we put people at the centre of our mission. Joining us means:

• Multicultural environment: Work with colleagues from over 30 nationalities in a diverse, inclusive and supportive team.
• Work–life balance: Benefit from our hybrid working model (2 days/week in the Brussels office and remote work).
• Continuous learning & development: Access training, workshops and professional growth opportunities tailored to your career path.
• Competitive compensation & benefits: Market-aligned salary, comprehensive health insurance for you and your family (including hospitalization), travel insurance, pension scheme, meal and eco vouchers, annual bonus schemes, and a flexible benefits plan.

Interested?

Apply no later than 1 March 2026, by submitting your CV and motivational letter in English via the ENTSO-E career site. All applications will be treated in the strictest confidence.

ENTSO-E is an equal opportunities employer. We welcome applications from candidates of all backgrounds and are committed to fostering a workplace where diversity and inclusion are valued.