IT Systems & Cloud Administrator

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31-March-2026

Department: Information Technology Department

Location: Athens

Job Type: hybrid, full-time

Requisition ID: ITCA_0326

About the Role:

We are seeking an IT Systems & Cloud Administrator to join our IT Department (part of the Operations & Information Systems Security Division), to support the design, implementation, and operation of our hybrid IT infrastructure (on-premise & cloud).
We are building a modern, secure, and scalable IT environment and we are looking for professionals who want to actively contribute to that journey. The ideal candidate will have 3–5 years of hands-on experience, strong technical expertise across Microsoft 365 and infrastructure systems, and a security-first mindset aligned with modern IT governance frameworks.

During your day, you will:

  • Administer and support Microsoft 365 ecosystem (Entra ID, Exchange Online, Teams, SharePoint, OneDrive, Intune)
  • Manage identity & access management (IAM), including MFA, Conditional Access, and RBAC policies
  • Maintain, optimize, and troubleshoot Windows and Linux server environments
  • Support virtualization platforms (Hyper-V / VMware ESXi)
  • Monitor and maintain endpoint management & security posture (Microsoft Intune, Defender)
  • Implement and maintain backup & disaster recovery solutions
  • Collaborate with vendors and internal teams on IT projects and deployments
  • Maintain technical documentation, SOPs, and asset inventories

To be a fit, you will need:

  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field
  • 3–5 years of experience in IT Systems Administration / Cloud Administration
  • Strong experience with Microsoft 365 and hybrid environments
  • Experience with Windows Server and Active Directory environments
  • Hands-on experience with endpoint management (Intune or similar)
  • Familiarity with backup, DR, and business continuity practices
  • Microsoft Certifications (or equivalent knowledge) is considered a strong plus
  • Experience with Microsoft Azure infrastructure services is considered a strong plus

What you need to stand out:

  • Strong analytical thinking and problem-solving ability, with a structured approach to troubleshooting
  • Team-oriented mindset, with the ability to collaborate across departments and with external partners
  • High level of accountability and ownership, ensuring tasks are completed with quality and consistency
  • Attention to detail, especially in security, documentation, and change management
  • Proactive attitude with a focus on continuous improvement and optimization
  • Adaptability and willingness to learn new technologies and frameworks
  • Professionalism and discretion when handling sensitive or confidential information

What We Offer:

  • Participation in enterprise-scale IT transformation projects
  • Exposure to modern hybrid cloud & cybersecurity architectures
  • Competitive salary and benefits package
  • A supportive and inclusive work culture that values collaboration and personal development
  • Flexible working arrangements, including remote work (Hybrid workplace model)
  • Life & Health Insurance Plan
  • Opportunities for ongoing professional development and career growth
  • Training

What you need to do next:

Interested candidates are invited to submit their resume outlining their qualifications and experience.

Please note that your application will be carefully reviewed and only selected candidates matching the position’s indispensable requirements will be contacted for an interview. We look forward to reviewing your application.

For more information or questions that may arise, please do not hesitate to contact us on career.cybersecurity@protasis.energy using the reference code REF: ITCA_0326.

At PROTASIS S.A., we are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

We respect your personal data. All personal information in your application and CV will remain strictly confidential.

Thank you for your interest in our company. Follow us on LinkedIn and our website to stay updated on our latest news.

PROTASIS S.A.

“With power, we perform”

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