Senior IT Systems Engineer - IT Infrastructure; Cloud Premises

• On-site

CMB.TECH is a diversified and future-proof maritime group committed to decarbonising the shipping industry. H, we believe in hydrogen for small ships and ammonia for large ships, ensuring we stay at the forefront of green innovation. Here, you’ll get more than just a job title - you’ll be part of a team dedicated to creating a better and more sustainable maritime industry.

To strengthen our IT team, we are currently looking for a Senior IT Systems Engineer to lead and oversee the setup and management of hybrid (cloud and on‑premises) IT infrastructure.

Architect and manage Windows Server and Linux server environments, including virtualisation platforms (VMware, Hyper‑V) and related storage systems.

Lead the deployment and lifecycle management of Azure cloud resources, including virtual machines, databases, landing zones and hybrid connectivity configurations.

Maintain and evolve the organisation's database infrastructure (SQL Server), ensuring backup integrity, performance and security compliance.

Manage and optimise complex network environments including Juniper and Aruba switches, MIST and Meraki access points and Palo Alto Next‑Generation Firewalls.

Lead firewall policy management, security rule sets, VPN configurations and network segmentation initiatives.

Conduct and coordinate security audits, vulnerability assessments, and compliance activities in collaboration with the CISO and Cyber Security team.

Embed security best practices into infrastructure design and day‑to‑day operations.

Oversee the integration and management of hybrid on‑premises and Azure cloud environments, ensuring seamless connectivity and governance.

Contribute to cloud cost management, monitoring and optimisation efforts, providing regular reporting and recommendations to IT management.

Evaluate and implement Infrastructure as Code (IaC) tooling and automation to improve deployment consistency and efficiency.

Lead critical IT infrastructure projects from inception through to delivery, including scoping, planning, resource coordination, stakeholder communication and post‑implementation review.

Structure and manage multiple concurrent projects, ensuring delivery on time, within scope and within budget.

Act as the primary technical escalation point for complex infrastructure incidents and problems, driving root cause analysis and permanent remediation.

Mentor and support IT Systems Engineers and junior staff, building technical capability across the infrastructure team.

Collaborate closely with the IT Development, Office IT and Cyber Security teams to ensure infrastructure solutions support application and business needs.

Engage with external vendors and managed service providers to evaluate solutions, manage contracts and ensure service quality.

Produce and maintain comprehensive documentation of infrastructure designs, configurations, procedures and runbooks.

Ensure all infrastructure practices comply with applicable regulatory, cybersecurity and organisational policy requirements.

Contribute to the definition and continuous improvement of IT standards, guidelines and best practices.

Participate in on‑call rotation to ensure 24/7 availability for critical infrastructure incidents.

Willingness to work flexibly, including outside regular hours when required, to support business continuity and urgent operational needs.

Occasional travel to satellite offices (Lowestoft, IJmuiden, and others) to support infrastructure deployments, audits, or training.

Formal education: you hold a Bachelor's degree in Computer Science, Information Technology, or a related field. A Master's degree is a plus.

You have at least 7 years of experience in IT infrastructure roles, with demonstrated expertise across a broad technology stack.

Languages:

English is a must have – Dutch preferable.

Deep expert-level knowledge in at least one of the following domains:
Windows/Linux server infrastructure, Azure cloud, network & firewall (Palo Alto / Juniper /…