The contractor will support OFR’s efforts to engineer, build, configure and maintain the OFR’s Windows, Cloud, Virtualization and Storage systems following best practices to better ensure that OFR designs, deploys and sustains secure, high quality, highly available information technology solutions that align with operational objectives.

Duties include but not limited to:

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- Expert in Active Directory/Entra ID administration in a Hybrid Environment

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- Proficiency in Active Directory administration, FSMO roles, replication, and OU management
- Knowledge of PKI, CAC/ALT-token authentication, and certificate lifecycle management

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- Expert in Microsoft 365 Management (Hybrid) administration including Exchange Online, Teams, and OneDrive for Business.
- Experienced in Virtualization; Manage and optimize virtualization platforms (e.g., VXRail/VMware/Horizon).
- Systems administration of Windows systems using PowerShell, scripting, and automation.
- Desktop/Laptop deployment and management.
- Amazon Web Services Windows instances deployment and administration - a plus




- SCCM (MECM) / Intune administration in a co-managed environment, including patching, package prep and deployment and reporting on Windows devices – a plus
- Documentation, development of system diagrams and SOPs
- Conducting integration testing, transition and acceptance and training from the Engineering phase to the production phase.

Coordinate activities at the system interface boundaries with other contractors and Government organizations.

Key Tasks & Responsibilities
Microsoft Active Directory: Administer and maintain Active Directory (AD) and Group Policy Objects (GPOs). Manage user accounts, permissions, and security groups. Implement AD best practices and troubleshoot AD-related issues. Perform regular AD health checks and ensure system integrity. Administer DHCP, DNS, and file/directory permissions. Utilize PowerShell for automation, reporting, and system management. Manage folder and file s

📌 Remote Sr. Systems Engineer (Santa Cruz de Tenerife)
🏢 Computer World Services
📍 Santa Cruz de Tenerife