System Engineer

WESTPOLE BENELUX; Brussel Hoofdstad; On-site; EUR 70,000 - 100,000; Full time

Job summary

WESTPOLE BENELUX is seeking an experienced System Engineer to reinforce its infrastructure team supporting mission-critical operations. The role requires active NATO clearance and the ability to work in secured environments.

The candidate will operate, administer and maintain complex infrastructure, ensuring availability, security and performance while following strict security procedures and runbooks. Collaboration with teams and customers is essential.

Qualifications

• Minimum 4 years of IT Infrastructure or System Engineering experience.
• Strong expertise in enterprise infrastructure environments as listed.
• Professional level English (C1/C2).
• Bachelor's degree or equivalent experience.

Responsibilities

• Operate, administer and maintain highly available physical, virtual, storage and networking infrastructure.
• Support backup, restore and disaster recovery activities.
• Perform operating system and infrastructure patching.
• Diagnose and resolve infrastructure incidents.
• Review and implement approved infrastructure changes and upgrades.
• Maintain documentation, procedures and technical runbooks.
• Contribute to audits, reporting activities and compliance requirements.
• Ensure compliance with security procedures, privileged access controls and segregation of duties principles.

Skills

Strong analytical

Troubleshooting

Team collaboration

Clear communication

Education

Bachelor's degree or equivalent

Tools

Windows Server administration

Linux Server administration

VMware vSphere/ESXi

TCP/IP networking

Active Directory & Group Policy

DNS, VLANs, routing, firewall concepts

Backup and recovery solutions

Patch management

SAN storage technologies

EDR forensics / security tools

Job description

Full time, Freelance or Permanent Contract

Active NATO Security Clearance Required (Fully Cleared)

About WESTPOLE

At WESTPOLE, we design, implement and manage business-critical IT environments for customers operating in highly secure and demanding contexts. We are currently looking for an experienced System Engineer to reinforce our infrastructure team supporting mission-critical operations.

This role is reserved for professionals who already hold an active NATO security clearance and are eligible to work within classified environments.

Your Mission

As a System Engineer, you will be responsible for the operation, administration, maintenance and support of complex infrastructure environments. You will play a key role in ensuring the availability, security and performance of critical systems while adhering to strict security and operational procedures.

Key Responsibilities

• Operate, administer and maintain highly available physical, virtual, storage and networking infrastructure.
• Support backup, restore and disaster recovery activities.
• Perform operating system and infrastructure patching.
• Diagnose and resolve infrastructure incidents.
• Review and implement approved infrastructure changes and upgrades.
• Maintain documentation, procedures and technical runbooks.
• Contribute to audits, reporting activities and compliance requirements.
• Ensure compliance with security procedures, privileged access controls and segregation of duties principles.

Required Experience & Skills

Minimum 4 years of experience in IT Infrastructure or System Engineering

Strong expertise in enterprise infrastructure environments like:

• Windows Server and Linux Server administration
• VMware vSphere / ESXi
• TCP/IP networking, VLANs, DNS, routing and firewall concepts
• Active Directory and Group Policy
• Backup and recovery solutions
• Patch management and system hardening
• SAN storage technologies, RAID and capacity management
• Infrastructure monitoring and management tools
• Anti-virus and anti-malware platforms and EDR forensic solutions

Professional level English (C1/C2)

Bachelor's degree or equivalent experience

Nice to Have

• PowerShell scripting or infrastructure automation
• Vulnerability management and remediation processes
• ITIL-based incident, problem and change management practices

What We Are Looking For

• Strong analytical and troubleshooting skills
• Ability to work under pressure in critical environments
• Excellent team collaboration capabilities (internal and customer facing)
• Clear communication non-technical stakeholders
• Attention to detail and security-minded approach

Mandatory Security Requirement

This position requires an active NATO security clearance. Applications without a valid and active clearance cannot be considered.

Interested?

If you are a System Engineer with an active NATO clearance and experience managing secure enterprise infrastructures, we'd love to hear from you.