System Engineer

Job Title: System Engineer (Hybrid Microsoft Infrastructure) Job ID: JP053788 Application Deadline: 25 April 2026 Duration: 18 May 2026 – 18 June 2026 (5 weeks / ~20 working days, Part-time 3/5)

Location:
Diest, Belgium (On-site – minimum 3 days per week) Role Overview We are seeking a hands-on System Engineer with strong experience in hybrid Microsoft environments to support a short-term transformation and optimization project. The role focuses on simplifying, standardizing, and optimizing an existing hybrid infrastructure (on-premises and cloud), with a strong emphasis on Active Directory, Group Policy, Exchange, and PowerShell automation . You will work closely with the internal IT team and be responsible for end-to-end delivery, including analysis, execution, documentation, and knowledge transfer.

Key Responsibilities
Active Directory & GPO Optimization Analyze the current Active Directory structure and identify inconsistencies Clean up and restructure OU models and delegations Rationalize and optimize Group Policy Objects (GPOs) (remove duplication, outdated configurations, inconsistencies) Establish a structured, maintainable, and documented GPO architecture Scripting & Automation Inventory and assess existing VBScript scripts Migrate legacy scripts to PowerShell , following best practices: Error handling Logging Modular design (functions/modules) Security standards Automate administrative tasks across Active Directory, Exchange Online, and Microsoft 365 Exchange / Exchange Online Analyze and optimize hybrid Exchange environments Improve mail flow, connectors, and transport rules Perform policy clean-up and optimization Support mailbox migrations and rationalization (archives, quotas, policies) Documentation & Knowledge Transfer Deliver clear technical documentation (As-Is / To-Be states) Create SOPs and operational runbooks Conduct knowledge transfer sessions with internal IT teams Expected Deliverables AD & GPO analysis report with clean-up plan Rationalized and documented GPO structure PowerShell script library replacing legacy VBScript Exchange / Exchange Online optimization overview SOPs and runbooks for ongoing management Knowledge transfer documentation and sessions Candidate Profile Experience Minimum 5 years of hands-on experience in hybrid Microsoft environments (Medior to Senior level) Proven experience working independently on cleanup and migration projects Technical Skills Strong expertise in: Active Directory (OU structure, user & computer management) Group Policy (GPO) management, troubleshooting, and optimization Advanced experience with: PowerShell scripting (best practices, automation) Exchange On-Premises and Exchange Online (hybrid environments, migrations, mail flow) Experience migrating VBScript to PowerShell Nice to Have Knowledge of Microsoft Intune / Endpoint Manager Experience with Microsoft 365 license optimization Soft Skills Strong analytical and problem-solving abilities Independent and structured way of working Clear and effective communicator Documentation-oriented mindset Proactive and results-driven approach Languages Dutch – Native or bilingual proficiency (mandatory) English – Professional working proficiency Additional Information Short-term assignment (approx. 20 working days) On-site presence required (minimum 3 days per week)