Previously proposed bids were assessed as not compliant due to the following reasons:

Candidate's profile does not demonstrate required experience with handling on-premises Microsoft products administration and the ability to support and maintain adjacent on-premises services, systems and solution

Candidate did not demonstrate enough knowledge in some important areas such as VMWare, Active Directory, DNS, DHC and other important CORE services. Also lack of enough knowledge on Virtual Infrastructure and PowerShell.

Deadline Date: Monday 2 November 2026

Requirement: System Administrator

Location: The Hague, NL

Full Time On-Site: Yes

Time On-Site: 100%

Total Scope of the request (hours): 400

Required Start Date: 7 December 2026

End Contract Date: 31 December 2026

Required Security Clearance: NATO COSMIC TOP SECRET

Duties & Role:

• Maintain and operate all the environments part of the CRS Branch
• Provide service support to the CQO customers
• Act as subject matter expert for Microsoft OS and tools suite
• Troubleshoot Microsoft related issues and PowerShell based code
• Provide root cause analysis in case of system/service malfunction
• Implement and improve new services

Requirements

Skill, Knowledge & Experience:

• The candidate must have a currently active NATO COSMIC TOP SECRET security clearance
• For technical engineering license degree (such as Electronics Engineering or Information Systems) a minimum of 3 years post-related experience needed as System Administrator
• For secondary educational qualification, a minimum of 5 years post-related experience as System Administrator
• Mandatory practical experience with Microsoft Windows and Microsoft Windows Server, WSUS, MECM, Active Directory, ADFS, PowerShell
• Development and maintenance of PowerShell scripts and of automatic configuration management tools for Microsoft Windows system elements like Ansible, Puppet and/or Chef
• Highly skilled in troubleshooting Microsoft Windows systems (server and end-user terminals)
• Knowledge of VMware stack or Openstack
• Capable of handling and maintaining CI|CD processes
• Team player
• Fluent in English: speaking, writing and reading

Desired:

• Experience working with UNIX based operating systems like RHEL or Oracle
• Experience with container technologies
• Working experience with public cloud technologies like Microsoft Azure and/or AWS
• Service support experience for IaaS and PaaS