Systems Team Leader

Keystone Solutions; Brussel Hoofdstad; On-site; EUR 67,000 - 100,000; Full time

Job summary

Keystone Solutions is seeking a Systems Team Leader for a two-month consultancy at a client site in Belgium. You will oversee daily operations of system infrastructures, lead the infra team, monitor budgets, licenses, assets, and projects, and ensure availability, performance and security across Windows Server, AD, 365, SQL Server, VMware, and backup/storage ecosystems.

You will coordinate with vendors, manage documentation, and drive improvements in data centers and cloud services while

Qualifications

• Minimum requirement: Windows Server administration, Active Directory, ADFS, DNS, DHCP, GPO and PKI.
• MS365 suites administration including Entra ID, Intune, Exchange Online, Teams and OneDrive.
• Experience with SQL Server, virtualization (VMware ESXi/vCenter), backup and storage platforms.
• Knowledge of licensing, asset and lifecycle management, security certificates and monitoring tools.

Responsibilities

• Administer and monitor Windows Server environments and AD services.
• Oversee VMware virtualization, storage (Dell EMC Unity) and backup platforms (Commvault).
• Manage licenses, assets, and security certificates; ensure security and compliance.
• Lead infra projects (servers, virtualization, storage, cloud) and coordinate with the client site.
• Draft and maintain technical documentation and perform vendor management.

Skills

Windows Server

Active Directory

Microsoft 365

SQL Server

VMware

Dell EMC Unity

Backups/Disaster recovery

IT security

Vendor management

Budget management

Leadership

Project management

Cloud services

GoBright

Tools

Lansweeper

WhatsUp Gold

WithSecure

ArnoHR

NetLink

GoBright

APC UPS

Job description

Mission Overview:

As a Systems Team Leader, you will be responsible for the daily operation of system infrastructures and guiding their evolution. This role involves operational management of the infrastructure team, budget monitoring for the service, asset and license management, as well as coordinating technical projects related to the organization's infrastructures. This position is a consultancy mission at a client site representing Keystone Solutions.

Key Responsibilities:

• Administer and maintain Microsoft Windows Server environments.
• Administer Active Directory services, ADFS, DNS, DHCP, GPO, and PKI.
• Administer Microsoft 365 services (Entra ID, Intune, Exchange Online, Teams, and OneDrive).
• Administer Microsoft SQL Server databases.
• Manage security certificates and their lifecycle.
• Administer VMware virtualization infrastructures (ESXi, vCenter, Site Recovery Manager, and vSphere Replication).
• Administer and optimize Dell EMC Unity storage infrastructures.
• Administer and maintain the Commvault backup platform.
• Administer and maintain APC equipment (UPS, PDU, management cards, alerting, and monitoring).
• Deploy, administer, and maintain the Lansweeper IT inventory solution.
• Deploy, administer, and maintain the WhatsUp Gold monitoring solution.
• Deploy, administer, and maintain the With Secure antivirus solution.
• Keep the ArnoHR and NetLink applications up to date.
• Administer and support the GoBright meeting room booking system.
• Ensure administration, configuration, and operational maintenance of multimedia and videoconferencing equipment in meeting rooms.
• Manage software licenses and ensure compliance.
• Manage inventory and lifecycle of system equipment.
• Ensure availability, performance, and security of system infrastructures.
• Draft and update technical documentation.
• Engage in technological watch activities.
• Ability to lead infrastructure projects (servers, virtualization, storage, backup, and cloud services).

Additional Skills Desired:

• Experience in vendor and maintenance contract management.
• Experience in software license and support contract management.
• Experience in developing and monitoring an operating budget.
• Knowledge in data center management and operation.
• Experience in implementing and testing business continuity plans (DRP).

Expected Qualities:

• Leadership and ability to coordinate a team.
• Excellent analytical and problem-solving skills.
• Organizational skills and effective priority management.
• Autonomy and initiative.
• Good communication and coordination skills.
• Rigorous, proactive, and solution-oriented.
• Ability to make decisions and manage critical situations.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

Duration:

01/11/2026 - 31/12/2026 2 months (full time)

Skills required:

• Cloud Public (Amazon & MS365) - Level: Expert - Most recent: Any time
• Intune - Level: Expert - Most recent: Any time
• MS SQL Server - Level: Expert - Most recent: Any time
• VMWARE - Level: Expert - Most recent: Any time

Language requirements:

Dutch or French
Level Native
English
Level Active knowledge