System Engineer

Freelance System Engineer – Leuven

Location: Leuven Region, Belgium (3 days per week onsite, remainder remote)
Start Date: ASAP
Contract Type: Freelance
Project Type: Long-term assignment (12 months+)

About the Client

Our client is a leading Manufacturing institution based in the Leuven region, operating within a highly regulated and security-critical environment. The organisation manages complex, large-scale IT infrastructures that support core financial services and business operations.

High availability, security, and stability are key priorities. The network infrastructure plays a central role in ensuring secure connectivity, segmentation, and uninterrupted service delivery for both internal users and business applications.

Role Overview

We are seeking an experienced Freelance System Engineer to support and evolve the client’s enterprise network infrastructure. The role focuses on System Engineerin, Level 2 and Level 3 support,  implementation of Infrastructure changes in a mission-critical Manufacturing environment.

You will work closely with internal IT teams, security teams, and business owners to plan, implement, and maintain network configurations while ensuring minimal impact and maximum availability of services.

Key Responsibilities

Plan, prepare, and implement network configuration changes while ensuring minimal service disruption and high availability.

Manage and maintain network configurations across enterprise environments, ensuring consistency, documentation, and compliance with internal standards.

Design and implement network segmentation solutions based on Layer 3 VPNs and firewalls, aligned with security and business requirements.

Perform impact analysis and risk assessment for planned network changes.

Collaborate with business owners and stakeholders to understand requirements, constraints, and priorities.

Act as a technical point of contact for network-related topics, providing clear explanations to both technical and non-technical stakeholders.

Ensure adherence to security, compliance, and operational procedures specific to financial-sector environments.

Support troubleshooting, incident analysis, and root-cause identification related to network issues.

Contribute to continuous improvement of network architecture, availability, and operational processes.

Technical Environment (incl. but not limited to)

• Windows Server (Wintel environments)

• VMware (vSphere, ESXi, vCenter, related products)

• Backup, monitoring, and patch management tools

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• Strong hands-on expertise with Windows Server and VMware technologies.

• Experience in Level 2 and Level 3 Supporting and System Engineering

• Good understanding of infrastructure operations, availability, and system reliability.

• Ability to work autonomously in a freelance setup while collaborating with multidisciplinary teams.

• Strong problem-solving and troubleshooting skills in complex environments.

• Fluent in Dutch (spoken and written).

• English is a strong plus.

Contract Details

Location: Leuven Region, Belgium
Onsite/Remote: 3 days onsite per week
Duration: 12 months+
Contract Type: Freelance