SharePoint Application Developer

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.

Who we are supporting 

The NATO Communication and Information Agency (NCIA) is responsible for providing secure and effective communications and information technology (IT) services to NATO's member countries and its partners. The agency was established in 2012 and is headquartered in Brussels, Belgium.

The NCIA provides a wide range of services, including:

• Cyber Security: The NCIA provides advanced cybersecurity solutions to protect NATO's communication networks and information systems against cyber threats.
• Command and Control Systems: The NCIA develops and maintains the systems used by NATO's military commanders to plan and execute operations.
• Satellite Communications: The NCIA provides satellite communications services to enable secure and reliable communications between NATO forces.
• Electronic Warfare: The NCIA provides electronic warfare services to support NATO's mission to detect, deny, and defeat threats to its communication networks.
• Information Management: The NCIA manages NATO's information technology infrastructure, including its databases, applications, and servers.

Overall, the NCIA plays a critical role in ensuring the security and effectiveness of NATO's communication and information technology capabilities.

The program

Assistance and Advisory Service (AAS)

The NATO Communications and Information Agency (NCI Agency) is NATO’s principal C3 capability deliverer and CIS service provider. It provides, maintains and defends the NATO enterprise-wide information technology infrastructure to enable Allies to consult together under Article IV, and, when required, stand together in the face of attack under Article V.

To provide these critical services, in the modern evolving dynamic environment the NCI Agency needs to build and maintain high performance-engaged workforce. The NCI Agency workforce strategically consists of three major categorise's: NATO International Civilians (NIC)'s, Military (Mil), and Interim Workforce Consultants (IWC)'s. The IWCs are a critical part of the overall NCI Agency workforce and make up approximately 15 percent of the total workforce.

Role ID – 2025-0383

Role Background

This role contributes to a programme that maintains and evolves enterprise content and collaboration platforms, including document management, publishing, workflow, analytics, and emerging AI-enabled capabilities. The objective is to ensure these services remain stable, secure, and fit for purpose while adapting to evolving user needs and technology changes. Work is delivered within a governed service and change framework, emphasizing quality, documentation, testing, and controlled deployment of fixes, enhancements, and improvements across the full application lifecycle.

Role Duties and Responsibilities

• Design, develop, and maintain SharePoint customizations and solutions, including farm solutions, add-ins, and client-side (SPFx) solutions, supporting corrective, adaptive, preventive, and perfective maintenance.
• Implement frontend and backend functionality using C#, JavaScript, React, Svelte, CSS, and related SharePoint development frameworks.
• Apply test-driven development (TDD) practices and implement automated tests using Microsoft Playwright to ensure solution quality.
• Contribute to sprint planning and delivery by producing user stories, acceptance criteria, and technical estimates within an Agile Scrum framework.
• Ensure code quality, security, and vulnerability considerations are addressed during development and maintenance activities.
• Maintain and update technical documentation impacted by development changes, including as-built documentation and release notes.
• Use Azure DevOps for source control, work item tracking, build/release management, and test case updates.

Essential Skills, Experience and Certifications

• C# development in .NET (Farm solutions and .NET applications)
• JavaScript development with jQuery (classic pages)
• React and Svelte development with SPFx and FluidUI (modern pages)
• Microsoft Playwright for test-driven development
• CSS for SharePoint styling
• PowerShell for SharePoint automation
• Azure DevOps (Repos, Boards, Pipelines)
• Test-driven development (TDD) methodology
• SharePoint customization (farm solutions, add-ins, client-side solutions)
• User story creation and acceptance criteria (Given/When/Then format)
• Code quality, security, and vulnerability assessment
• Technical documentation writing
• NATO branding guidelines implementation
• Agile Scrum methodology
• ITIL v4 framework knowledge
• Knowledge of Content Collaboration Capabilities
• Evidence of two SharePoint projects delivered in last three years

Working Location

• Braine l’Alleud, Belgium/ The Hague, Netherlands/ Remote

Working Policy

• Onsite

Travel

• Some travel to other NATO sites may be required

Security Clearance

• Valid National or NATO Secret personal security clearance