Senior IT Infrastructure Engineer – CIS & Security

Spektrum; Brunssum; On-site; EUR 70,000 - 110,000; Full time

Job summary

Spektrum seeks experienced IT infrastructure professionals to design, implement and operate Core Services across CIS environments. You will integrate AD, identity, and security controls with hybrid identity and cloud services while coordinating with NATO-related programs and stakeholders.

The role requires strong documentation, testing, and reporting skills to ensure compliant, high-availability infrastructure for government and defence projects.

Qualifications

• Minimum 5 years delivering enterprise IT infra and Core Services solutions.
• Experience in large-scale government/military or multi-domain environments is highly desirable.
• Ability to translate requirements into secure, interoperable technical solutions.

Responsibilities

• Design, plan, implement, integrate, and deploy Core Services across CIS environments.
• Create technical designs and documentation; support deployment, migration, and testing.
• Coordinate with project teams, architects, and security authorities for secure solutions.
• Provide regular service reports on progress, risks, and milestones.
• Ensure solutions are fit-for-purpose, and align with governance and standards.

Skills

Core Services design

AD DS & Identity

Group Policy

DNS/DHCP/PKI

Azure AD / Hybrid identity

Security & IAM

Infrastructure as Code

CI/CD & DevSecOps

VMware/Hyper-V

Documentation & Reporting

Education

Microsoft Windows Server Hybrid Administrator

ITIL Foundation

PRINCE2 Foundation/Practitioner

CISSP / Security+

Tools

Terraform

Ansible

PowerShell

Job description

Spektrum seeks experienced IT infrastructure professionals to design, implement and operate Core Services across CIS environments. You will integrate AD, identity, and security controls with hybrid identity and cloud services while coordinating with NATO-related programs and stakeholders.

The role requires strong documentation, testing, and reporting skills to ensure compliant, high-availability infrastructure for government and defence projects.