Senior Systems Administrator

Are you an experienced Senior Systems Administrator seeking a long-term, highly stable role within the dynamic maritime and logistics industry? Do you excel at managing mission-critical infrastructure, automation, and enterprise Microsoft and VMware ecosystems? Are you ready to join a collaborative IT team where your work directly impacts global trade flows? Then keep on reading!

The Senior Systems Administrator position is full-time and permanent, based in the Piraeus area.

Responsibilities

As a Senior Systems Administrator, you will be responsible for the following core activities:

• Administering, monitoring, and troubleshooting physical and virtual server environments (80% Windows, 20% Linux) to maintain peak operational health.
• Managing VMware (vSphere/ESXi) virtualization platforms, Storage/SAN architectures, and robust DR/BCP backup and restore workflows.
• Maintaining and administering enterprise MS Exchange and MS SQL Server environments.
• Overseeing core infrastructure services including Active Directory, GPOs, DNS, DHCP, and utilizing PowerShell for IaC automation.
• Participating in IT projects—such as M365/Azure migrations (Exchange Online, SharePoint) and infrastructure refreshes.
• Utilizing ITSM tools for logging incidents and conducting thorough risk assessments to evaluate downstream impacts before applying system changes.
• Interfacing with cross-functional business departments, specialized network/security teams, and third-party vendors to resolve complex issues.

Qualifications

To qualify for the Senior Systems Administrator position, you should possess:

• 5+ years of hands-on experience in Systems Administration and Infrastructure management within enterprise environments.
• Strong technical expertise across Windows Server, Active Directory, GPOs, VMware vSphere (or other virtualization solutions), SAN/Storage systems, and DR/BCP procedures.
• Practical experience with PowerShell automation scripting alongside M365 and Azure cloud environments.
• Excellent command of the English language.
• Bachelor's Degree (Level 5+) in Computer Science or a related field.
• Industry certifications such as VMware VCP (or equivalent virtualization certification), M365 Administrator, or Microsoft Server Administrator are highly desirable.

Experience

• Previous hands-on experience with Windows Server, Active Directory, GPOs, VMware vSphere, SAN/Storage systems.

Skills

• Critical thinking
• Operational task prioritization
• Problem-solving abilities
• Communication

Benefits

Joining the group as Senior Systems Administrator offers the following benefits:

• Attractive remuneration package.
• Private health insurance coverage starting from your very first day.
• Continuous training opportunities and professional certification support.
• Participation in mission-critical, large-scale technology projects.
• Outstanding job stability within an established concession environment, supported by a close-knit team culture with exceptionally low turnover.
• Further career opportunities within the group.

Information

If you have any questions regarding this Senior Systems Administrator position, you can contact Constantinos at 695 549 9060, from Monday to Friday between 10:00 and 16:00. Otherwise, feel free to contact me at [email protected].

We look forward to receiving your application, uploading your updated English CV by clicking the 'apply now' option.

Please note that for transparency and equity reasons, only those applications made online via our site will be assessed. After the screening of all the CVs received, we will only contact the candidates who meet the requirements of the job to arrange an interview. All applications are considered strictly confidential.