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Spektrum
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Preparing for this interview
Interviews for data roles keep coming back to Python, SQL, AWS, Machine learning. Practise those questions before you sit with Spektrum.
Questions you are likely to be asked
- Why do you want to join Spektrum?
- What is your experience with SQL? Tell me one thing you learned the hard way.
- Explain a join or a window function you have used, and why you needed it.
- How would you explain a surprising number to a manager who does not believe it?
- Tell me about an analysis that changed a decision. What did you find?
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Practise the Data Analyst at Spektrum interview free →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.
Data Analyst
Role ID – C004521/2
Role Background
The NATO Communications and Information Agency (NCIA) is seeking an experienced Data Analyst to support enterprise data management, reporting, data modelling and business intelligence activities.
The successful candidate will work with Microsoft SQL Server technologies, Power BI, SSRS and ETL processes to analyse data, develop reports, maintain data quality and support data-driven decision-making.
The position also involves designing data structures, developing data warehouses and supporting reporting requirements across enterprise IT service management environments.
Role Duties and Responsibilities
- Collect, analyse and validate data from multiple enterprise sources, including sensor systems and ticketing systems.
- Ensure the accessibility, integrity, security and retrievability of data.
- Develop and maintain information-handling procedures and data structures.
- Investigate enterprise data requirements and apply data modelling and quality assurance techniques.
- Design, create and test SQL reports using SSRS, Power BI and Excel.
- Develop and maintain business intelligence dashboards and reporting solutions.
- Design and develop ETL processes, data models and data warehouses.
- Analyse data patterns, identify trends and produce reports supporting management decisions.
- Gather user requirements and prepare reporting specifications.
- Validate report functionality with stakeholders and end users.
- Troubleshoot and improve existing reports based on user feedback.
- Participate in designing data architecture and data storage solutions.
- Support database designers with data structures, relationships and attribute definitions.
- Develop and maintain data-processing workflows and data integration solutions.
- Investigate data requirements during software development activities.
- Customise data fields and reporting outputs to meet business requirements.
- Prepare analytical findings and communicate results to technical and non-technical stakeholders.
- Apply established data management standards, processes and methodologies.
Essential Skills
- Microsoft SQL Server.
- SQL Server Reporting Services (SSRS).
- SQL Server Integration Services (SSIS).
- SQL Server Analysis Services (SSAS).
- SQL reporting and query development.
- Data warehouse design and development.
- ETL process design and implementation.
- Microsoft Power BI and dashboard development.
- Microsoft Excel for reporting and analysis.
- Data modelling and database structures.
- Data quality assurance and validation.
- Microsoft SharePoint experience.
- Programming experience with C#, Python or R.
- BMC ITSM / ITSM data.
- BMC Remedy Smart Reporting.
- Data analysis, reporting and requirements gathering.
- Troubleshooting and optimisation of reporting solutions.
Desirable Skill:
- SharePoint administration experience.
Experience
- Minimum 3 years of experience working with Microsoft SQL Server, SSRS, SSIS and SSAS.
- Experience designing data warehouses and implementing ETL processes.
- Experience developing dashboards using Microsoft Power BI or similar reporting technologies.
- Experience with SharePoint.
- Demonstrated programming experience using C#, Python or R.
- Experience working with BMC ITSM data and BMC Remedy Smart Reporting.
- Experience gathering reporting requirements and supporting enterprise reporting solutions.
Certifications
Mandatory Certification:
- ITIL v3 or higher certificate.
Desirable:
- SharePoint administration experience.
Working Location
Braine-l'Alleud, Belgium
Working Policy
- Working arrangement: 100% on-site attendance indicated.
- Start date: 6 December 2026.
- End date: 30 December 2026.
- Total scope: 675 hours
Travel
Travel to other NATO sites may be required.
Security Clearance
Valid NATO SECRET personnel security clearance
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Listed on greenhouse · posted 2026-10-29. ApplySarthi collects openings and links to application pages; the role is advertised by Spektrum, not by us.