System / Infrastructure officer

Tototheo Global
offers connectivity & technology solutions across various industries on including maritime and land enterprises. We help organizations seeking to leverage technology for operational efficiency and competitive advantage in a fast-evolving digital landscape. Our services include innovative, efficient, and functional solutions in satellite communication, navigation systems, digitalization, and end-to-end cybersecurity solutions.

Job Purpose

The System / Infrastructure Officer is responsible for maintaining, upgrading, installing, and supporting the company's ICT infrastructure. This role ensures that systems, cloud solutions, business applications, security tools, and core services operate securely, efficiently, and with minimal downtime. By delivering user- and customer-focused support to staff, third parties, and clients, the System / Infrastructure Officer plays a critical role in optimizing performance, enhancing resilience, and driving continuous improvement across the organization's IT environment.

This position is based in either our Cyprus or Greece office, depending on the candidate's location.

Main Duties and Responsibilities

• Ensure proactive measures are implemented to prevent or mitigate service disruptions.
• Monitor infrastructure performance to maintain maximum uptime and service availability.
• Install, upgrade, configure, and maintain on-premises, hybrid, and cloud-based systems and services.
• Manage infrastructure resources, including asset management, antivirus protection, system configuration, and deployment.
• Function as a technical lead on infrastructure-related projects, delivering secure, cost-effective, and fit-for-purpose solutions.
• Take ownership of incidents and service requests: log, track, escalate, and resolve issues while keeping stakeholders informed.
• Troubleshoot user-reported issues, conduct root cause analysis, and apply change/problem management practices to prevent recurrence.
• Maintain accurate records, SOP documentation, and contribute to the infrastructure knowledge base.
• Research, evaluate, and support adoption of modern technologies and emerging solutions.
• Support service and infrastructure improvement initiatives, including automation and optimization projects.
• Collaborate with cross-functional teams to ensure seamless service delivery and communication.
• Implement and manage security measures such as firewalls, encryption, monitoring, and backup solutions to safeguard data and systems.

Qualifications & Skills

Education & Experience

• Bachelor's degree in computer science, Information Technology, or equivalent professional experience.
• 3+ years' experience in systems and infrastructure administration.
• Must be fluent in English (spoken and written).

Technical Expertise

• Strong knowledge of virtualization technologies (VMware, KVM).
• Expertise in Windows domain server infrastructure (AD, DNS, DHCP, File Services, etc.).
• Solid experience with IaaS/PaaS platforms (AWS, Azure, Digital Ocean).
• Good understanding of Microsoft 365 SaaS solutions (Exchange Online, SharePoint Online, Dynamics 365, PowerApps).
• Proficiency with Linux environments (Debian, Ubuntu, CentOS).
• Scripting and automation skills (PowerShell, Python, Ansible, etc.).
• Strong knowledge of networking concepts; Fortinet experience a plus.
• Experience with Service Desk platforms (Fresh Service, Jira, or equivalent).
• Familiarity with monitoring and alerting tools (Zabbix or equivalent).
• Experience with PBX systems (3CX, Asterisk) and open-source platforms (ownCloud, FreePBX).
• Proficiency with device and endpoint management solutions such as Microsoft Intune, JAMF, and other MDM (Mobile Device Management) platforms.
• Familiarity with RMM (Remote Monitoring and Management) software for proactive system oversight.
• Awareness of information security principles and frameworks (ITIL or equivalent).

Professional Skills

• Excellent communication and interpersonal skills.
• Strong customer service orientation with empathy, prioritization, and problem analysis.
• Proven problem-solving abilities with logical, structured thinking.
• Strong organizational and time management skills with the ability to manage multiple priorities.
• Team-oriented, reliable, and committed to professional ethics and integrity.

Benefits:

And here are just some of the benefits you receive when you join Tototheo Global:

• Work in an international, dynamic, and fun environment, at a growing company
• Attractive remuneration package
• Private Medical Health Insurance
• Continuing education and training
• 13th salary (for Cyprus)
• Half day leave on your birthday
• Wellness Support – Unlimited access to our dedicated wellness platform for mental health resources, coaching and self-care tools

Looking for a role that offers both challenge and purpose? Join a global industry leader where your work truly makes an impact.

At Tototheo Global, we take pride in being an equal opportunity employer, building an environment where everyone feels included, respected and supported to reach their full potential.

Our culture is shaped by our core values -
Grow, Excellence, Innovation
and
Respect
- and reflected in how we collaborate and deliver for our clients worldwide.

We're also a certified
Great Place to Work
, recognized for our commitment to continuous learning, teamwork and the wellbeing of our people.