Senior Systems & Infrastructure Engineer (Azure)

Location: Piraeus, Attica, Greece — on-site

Company

Antipollution, a member of V Group, provides environmental services across the Eastern Mediterranean, Egypt, and the Balkans, including port reception, emergency response, decontamination, renewable energy, alternative fuel production, and technology services.

What you will do

• Manage Microsoft Azure and on-premises infrastructure, including Windows Servers, virtual machines, storage, and core services.
• Administer Microsoft 365, Entra ID, Intune, MFA, and Conditional Access policies.
• Support and troubleshoot LAN/WAN, VPN, Wi-Fi, routing, switching, and firewall infrastructure.
• Maintain infrastructure security, backups, disaster recovery, business continuity, monitoring, and system availability.
• Participate in cloud migrations, infrastructure upgrades, new-site deployments, and broader infrastructure migrations.
• Coordinate with external vendors, maintain technical documentation, and provide first-level support when required.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Systems Engineering, or a related field.
• At least 7 years of hands-on experience in systems administration, IT infrastructure, or a similar technical role.
• Strong experience with Microsoft 365, Entra ID, Windows Server, Azure infrastructure, virtualization, networking, and endpoint management.
• Knowledge of TCP/IP, DNS, DHCP, VLANs, VPNs, Wi-Fi, routing, switching, enterprise firewalls, and corporate information security practices.
• Knowledge of ISO 27001 and NIS2 requirements, with strong analytical, troubleshooting, communication, and organizational skills.
• Excellent written and spoken Greek and English required.

Nice to have

• Experience with Fortinet, Microsoft Defender, Intune, PowerShell, Azure Backup, Azure Monitor, or automation tools.

Culture & Benefits

• Competitive remuneration package.
• Private medical insurance.
• Professional development and continuous learning opportunities.
• Technology-driven work supporting critical environmental and industrial operations.
• Collaborative culture focused on innovation, sustainability, and operational excellence.