Department: Information Technology Department
Location: Athens
Job Type: hybrid, full-time
Requisition ID: ITA_0625
About the Role:
We’re an energy-focused company modernizing our IT landscape and expanding our hybrid cloud and business platforms. As our IT department grows, we’re seeking skilled and motivated IT Administrator to join our growing IT team. The ideal candidate is a mid-level professional with solid experience in systems administration (Microsoft & Linux), server infrastructure, networking, and security.
You’ll be part of a team responsible for maintaining and evolving a hybrid infrastructure environment, ensuring high availability, security, and smooth operations across the organization.
During your day, you will:
- Provide L2–L3 IT support depending on experience and specialization.
- Administer and maintain Windows Server and Linux systems (installation, configuration, updates, troubleshooting).
- Manage Active Directory / Entra ID, GPOs, user access, and identity governance.
- Support network infrastructure (firewalls, switches, VPNs, VLANs, wireless).
- Implement and monitor security measures, including patching, endpoint protection, and MFA.
- Troubleshoot infrastructure, system, and networking issues across multiple layers.
- Participate in IT projects such as migrations, DR/BCP implementations, hybrid cloud initiatives.
- Contribute to documentation, standard operating procedures, and best practices.
- Collaborate with other IT team members and external partners to ensure stability and performance.
To be a fit, you will need:
- 3–6 years of professional experience in IT administration (L2 or early L3 level).
- Strong knowledge of Microsoft Server environments (AD, DNS, DHCP, Group Policy, file servers).
- Experience with Linux distributions (Ubuntu, Debian, or RHEL-based).
- Working knowledge of networking concepts: routing, switching, firewalls, VPNs, VLAN segmentation.
- Familiarity with Fortinet, Ubiquiti, or similar networking equipment is a plus.
- Understanding of security fundamentals (MFA, patching, logging, access control).
- Basic scripting skills (PowerShell, Bash, or similar).
What you need to stand out:
- You have a hands-on mindset and enjoy solving complex technical problems.
- You thrive in mid-size environments, where you can wear multiple hats.
- You’re structured, communicative, and comfortable working independently or in a team.
- You’re interested in growing your expertise toward advanced infrastructure, security, or cloud roles.
Nice to Have (not required):
- Hands-on experience with virtualization platforms (VMware, Hyper-V, Proxmox).
- Experience with cloud environments (Azure, hybrid infrastructures).
What We Offer:
- Competitive salary and benefits package.
- Hybrid work environment.
- Training & certifications budget to support career growth.
- A collaborative IT Leadership.
- Opportunities to work on infrastructure modernization, hybrid cloud, and security projects.
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@protasis.energy using the reference code REF: ITA_1025.
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.
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PROTASIS S.A.
“With power, we perform”