Deadline Date: Monday 14 September 2026

Requirement: Microsoft Senior Engineer

Location: Mons, BE

Full Time On-Site: Yes

Time On-Site: 100%

Not to Exceed Rate: 97 EUR

Total Scope of the request (hours): 395

Required Start Date: 5 October 2026

End Contract Date: 31 December 2026

Required Security Clearance: NATO SECRET

Duties & Role:  

Under the direction of the DICE Team Lead the contractor shall:

• Design, implement, configure, operate, maintain and troubleshoot complex Microsoft enterprise infrastructure and associated services in secure enterprise environments.
• Provide senior-level technical expertise for Microsoft Windows Server platforms and associated infrastructure services throughout their complete lifecycle, including architecture, deployment, configuration, hardening, patching, upgrade, migration, monitoring and decommissioning.
• Design, administer and troubleshoot Microsoft Active Directory environments, including domains, forests, trusts, Group Policy, authentication services, DNS integration and associated identity infrastructure.
• Provide subject matter expertise in Identity and Access Management (IAM), authentication, authorization and federation technologies, including Active Directory Federation Services (AD FS), Microsoft Entra ID and related Microsoft identity technologies but also open source technologies such as Keykloak.
• Design, implement, maintain and troubleshoot Public Key Infrastructure (PKI), certificates and certificate-dependent services used within Microsoft enterprise environments, including certificate lifecycle management, trust relationships and integration with applications and authentication services.
• Design, deploy, configure, operate and maintain on-premise Microsoft SharePoint SE environments & related information-management capabilities including site architecture, permissions, metadata, taxonomies, search, content management, collaborative services and integration with enterprise applications.
• Design and maintain secure integrations between Microsoft platforms and other enterprise services and applications, including, where applicable, Atlassian Data Center Technology Stack (Jira, Confluence), Power BI, Splunk, SQL Server and other data or collaboration platforms
• Provide engineering support for Microsoft Azure DevOps cloud services architecture in support of maintaining reference dev environment (Nato Software Factory) for DICE team.
• Support cloud and DevOps practices using Microsoft Azure and Azure DevOps or equivalent enterprise DevOps technologies, including source control, automated deployment, CI/CD processes and infrastructure configuration management.
• Develop and maintain automation solutions using PowerShell and, where appropriate, other scripting or automation technologies to improve repeatability, reliability and efficiency of Microsoft infrastructure operations.
• Participate in the design and implementation of infrastructure-as-code, automated configuration and deployment approaches where applicable to Microsoft Azure and hybrid infrastructure.
• Ensure Microsoft infrastructure and services comply with applicable NATO security requirements, security hardening standards and Information Technology Service Management (ITSM) processes.
• Perform security hardening and technical security reviews of Microsoft infrastructure, operating systems, identity services and applications and remediate identified vulnerabilities or configuration weaknesses.
• Provide advanced troubleshooting and root-cause analysis for complex incidents and problems involving Microsoft infrastructure, authentication, federation, certificates, networking, applications and dependent services.
• Support Incident, Problem, Change, Configuration and Release Management activities in accordance with applicable ITSM processes.
• Provide architecture support and technical recommendations concerning Microsoft infrastructure evolution, technology selection, lifecycle management, resilience, availability, scalability and security.

Specific Working Conditions: The contractor may work from their home in the duty location subject to the NCIA teleworking policy and in coordination with their NCIA designated Resource Manager. The contractor may be permitted to perform work remotely, from a different NATO nation than the duty location, for up to a maximum of twenty percent (20%) of their total working time, subject to prior approval by their NCIA designated Resource Manager. If working from a remote location, the contractor shall provide IT equipment for the processing of public and unclassified information in support of their duties, including the capability to participate in video meetings using Microsoft based collaboration tools.

Travel required: The contractor may be required to travel to other NCIA locations for in-person or department meetings. In such cases the contractor will be reimbursed for travel costs according to NATO regulations for traveling on NATO duty. Each travel will be a maximum of 2 days lengths and happening no more than twice per month. Contractors traveling for work purposes shall initiate travel requests from their designated duty station only.

Requirements

Skills, Knowledge & Experience:

• The candidate must have a currently active NATO SECRET security clearance
• A university degree from a nationally recognised/certified University in a technical subject with substantial IT content and four (4) years of specific experience.
• Exceptionally, lack of a university degree may be compensated by at least ten (10) years of extensive and progressive expertise in duties related to this Statement of Work.
• Minimum 6 years of relevant professional experience in designing, implementing, administering and supporting Microsoft enterprise infrastructure in medium-to-large environments.
• Strong hands-on experience with Windows Server, Active Directory, Group Policy, DNS, AD FS and Microsoft Entra ID, including authentication, federation and Single Sign-On.
• Strong experience with PKI, certificates, TLS and certificate lifecycle management.
• Demonstrable experience with Microsoft SharePoint, including installation, administration, security, integration and lifecycle management; knowledge of Microsoft 365 and hybrid SharePoint environments is required.
• Practical experience with Microsoft Azure and hybrid cloud environments, including Azure DevOps, CI/CD and infrastructure automation.
• Strong PowerShell scripting and automation skills; experience with Python, SQL and Infrastructure-as-Code technologies such as Terraform or Bicep is desirable.
• Good knowledge of Microsoft SQL Server and enterprise infrastructure concepts including networking, firewalls, proxies, load balancing, high availability, backup and disaster recovery.
• Strong experience in troubleshooting complex infrastructure and application issues, root-cause analysis, security hardening, patching, upgrades, migrations and vulnerability remediation.
• Experience working within IT Service Management processes, including Incident, Problem, Change, Configuration and Release Management.
• Experience producing technical documentation, implementation procedures, operational guides and providing knowledge transfer.
• Very good analytical, troubleshooting and communication skills.
• Ability to work autonomously and as part of a multidisciplinary technical team.
• Ability to translate business and operational requirements into secure, maintainable technical solutions.
• Strong security-oriented mindset and ability to work in controlled or security-sensitive environments.
• English language proficiency meeting or exceeding NATO STANAG 6001 Level 3 "Professional Proficiency".
• Relevant Microsoft certification(s) in Azure, Identity, Windows Server, Microsoft 365 or SharePoint. Equivalent or successor certifications may be accepted.
• Certifications in cyber security, IT Service Management, DevOps or cloud architecture are desirable.

Desirable Experience:

• Experience working for NATO, military, governmental or other security-sensitive organisations.
• Experience supporting highly available or mission-critical services.
• Experience integrating Microsoft platforms with Jira, Confluence, Bitbucket, Splunk or Power BI.
• Experience with Azure Cloud DevOps pipelines and infrastructure-as-code technologies such as Bicep, ARM templates or Terraform.
• Experience with SCCM/Microsoft Endpoint Configuration Manager, Exchange, Web Application Proxy or similar Microsoft enterprise technologies.
• Experience with PowerShell, Python and SQL scripting or automation.
• Experience in working for or supporting a military or governmental organization.
• Previous professional experience in cyber-security environments.