---
title: 'Senior Application Support Engineer at Spektrum'
canonical: 'https://feeny.ai/job/senior-application-support-engineer-spektrum-braine-l-alleud-nyz606mshb3x'
type: 'job'
last_seen: '2026-10-15'
---

# Senior Application Support Engineer at Spektrum

- **Company:** Spektrum
- **Location:** Braine L'alleud, Belgium
- **Posted:** 2026-08-21
- **Last confirmed live:** 2026-10-15
- **Apply:** https://spektrum-group.com/jobs?gh_jid=4958470101

## Job description

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 – C005207

## Role Duties and Responsibilities

COTS Application Support

- Deploy and manage server applications running on Windows or Linux servers;
- Integrate applications with identity providers;
- Support creation and deployment of client applications on enduser workstations.
- Gathering and reporting metrics and Key Performance Indicators (KPIs)
- Supporting in-service operations of the systems.
- Support and operation of the assigned system(s) including:
- Systems operationally used by NATO Enterprise community;
- Local systems currently used by Local Commands;
- Atlassian Products management and configuration
- Maintenance of the operational & support environments;
- Monitoring performance of the assigned service applications;
- Support CIS Support Units (CSU) and other support staff for daily operations of the systems;

Cloud Configuration (Azure, AWS)

- Manage EntraID Groups and Roles
- Manage and configure different Cloud components

AI related activities

- Deployment, configuration and support of AI based solutions, tools and agents
- Support of COTS applications-AI integration in production environments
- Ongoing Monitoring, Maintenance and Support

COTS End-User Support:

- Provision of support services in accordance with the SLA, based on the NCI Agency support levels, roles and responsibilities.
- Provide second-level and third-level support for end-user queries.
- Troubleshoot and resolve software issues, ensuring minimal disruption to users.
- Communicating solutions or advices to customers and users.
- Troubleshoot and resolve software problems, ensuring efficient use of resources and problem resolution.

Incident Logging and Tracking:

- Monitor the incident management process for tickets created in the helpdesk ticketing system.
- Log and track support incidents using the helpdesk ticketing system.
- Ensure all tickets are updated with accurate and detailed information and resolved within the agreed service levels.

Escalation:

- Escalate complex issues to vendor support or appropriate teams when necessary.
- Follow up on escalated issues to ensure timely resolution and user satisfaction.

Knowledge Base Management:

- Contribute to the creation and maintenance of a knowledge base, documenting common issues and solutions.
- Share knowledge and best practices with team members to improve overall service quality.
- Contribute to analysis and documentation of new requirements and change requests.
- Participate in review of documentation such as requirements definitions, software design (functional/technical analysis), systems specifications or other deliverables.

Technical:

- Controlling, managing and providing access to the restricted areas managed by the business area.
- Ensuring the proper functionality and security of software and hardware managed by NBAC.
- Monitoring COTS Applications and other software managed by NBAC by identifying and reporting any problems with the infrastructure, hardware and software applications.
- Providing support to NBAC team for security approval and accreditation of software applications and CIS.
- Controlling and checking compliance with security regulations laid down by NCIA and NATO on the use of software and hardware which is part of the NBAC services.
- Gathering functional and non-functional requirements, including drafting systems specifications.
- Support technical reviews, walkthroughs and audits.
- Support preparation of functional and technical specifications for software and hardware with special focus on the SSBA BA domain.
- Support to change management, configuration management, release/deployment and testing.

Communication and Collaboration:

- Work with and provide input to Service Delivery Managers, Project Managers, Portfolio Managers and other stakeholders.
- Communicate with users to understand their issues and provide clear instructions.
- Collaborate with NCIA and vendors teams

Essential Skills, Experience and Certifications

Technical Proficiency:

- Deep understanding of end-user devices (desktops, laptops, tablets, smartphones) running Windows OS, Android OS and Apple iPhones/iPads.
- Expert knowledge of Linux server infrastructure, Windows server infrastructure and Active Directory.
- Expert knowledge of Microsoft SQL Server 2019-2025 and IIS based web applications.
- Very good understanding and experience with AI/LLM:
- LLMs knowledge (cloud and on premises based)
- Agentic systems development
- AI/LLM integration
- MLOps and AI Lifecycle Management
- Deep understanding of networking infrastructure.
- Very good knowledge of cloud technologies and cloud deployment for both AWS and Azure.
- Deep understanding of PKI.
- Expert knowledge relevant to software engineering:
- Technologies and standards (at least 4 of them): HTML5, REST & Web Services, XML, HTTP, SQL, Visual Basic for Applications;
- Identity Management (OAuth, OIDC, SAML2) application integration;
- Application server technologies and Relational Database Management Systems;
- Programming languages and platforms - .NET/C#, JAVA, JavaScript;
- Task automation through scripting in both Windows and Linux.
- Deep understanding of security constraints and requirements in CIS.
- Deep understanding of NCIA and NATO security directives and regulations, along with understanding of industry best practices and standards.
- Familiarity with Microsoft services and tools, including Outlook, Teams, SharePoint.
- Experience and good knowledge of at least the following COTS technologies:
- IIS, JBOSS, Apache Tomcat
- .NET based applications
- Extensive experience in deployment and management of clientserver applications, application integration and data transformation for application integration;

Problem-Solving Skills:

- Strong troubleshooting skills to diagnose and resolve hardware, software, and network issues.
- Ability to guide users through problem-solving steps effectively.

Communication and Interpersonal Skills:

- Excellent verbal and written communication skills.
- Full proficiency in English. French language proficiency is of advantage.
- Ability to communicate technical information to non-technical users in a clear and concise manner.
- Ability to work in cross-functional application management/deployment teams.

Customer Service Orientation:

- Strong customer service focus with a commitment to user satisfaction.
- Patience and empathy when dealing with user issues and concerns.

Organizational Skills:

- Ability to manage multiple support tickets and prioritize tasks effectively.
- Attention to detail in documenting support activities and maintaining accurate records.

Work Experience:

- At least 3 years of relevant experience in the field of computer science or electronic engineering
- Very good knowledge and in various areas of Software Engineering including some of the following:
- Requirements elicitation and management (including nonfunctional requirements for Operations & Maintenance);
- SW change management and testing;
- Software design, implementation and testing;
- Software Engineering techniques and methodologies;
- Application release and deployment management;
- Configuration management practices and tools;
- Application Lifecycle Management concept and tools

Team Collaboration:

- Ability to work effectively as part of a team and share knowledge and resources.
- Willingness to collaborate with colleagues to solve complex issues.

Others:

- Candidate has strong customer relationship skills, including negotiating complex and sensitive situations under pressure.
- Prior experience in an international environment comprising both military and civilian elements;

Language Proficiency

- Business English
- French is desirable and an advantage

Working Location

- Braine l’Alleud, Belgium

Working Policy

- Hybrid (50% on-site, 50% off-site)

Travel

- Some travel to other NATO sites may be required

Security Clearance

- Valid National or NATO Secret personal security clearance

## About Spektrum

## Company Overview
- **One-liner**: Spektrum Group is a specialist consultancy that enables clients to navigate the complex defence, humanitarian, and government markets by connecting them with a fast-growing global network of subject matter experts, partners, and suppliers.
- **Entity Type**: Private (stage not disclosed; no public funding rounds identified)
- **Headquarters**: Multiple offices; global presence with registered addresses in Spain (Barcelona, ES: +34 932 712 919), the United Kingdom (Leeds, UK: +44 113 868 3500), Belgium (Mons), the Netherlands (The Hague), the United States (Norfolk, VA), and Norway (Stavanger). No single global HQ is explicitly designated.
- **Founded**: Not publicly available
- **Founders**: Not publicly available

## Core Business
- **Industry/Industries**: Aerospace & Defence, Humanitarian Aid, Government Services, Consulting & Advisory
- **Target Customers**: International institutional organisations (e.g., UN, NATO), English-speaking national governments, and ministries of defence (apex purchasers), as well as the broader defence ecosystem (from small specialists to global enterprises)
- **Mission / Purpose**: “Thinking differently to make a difference” – Spektrum aims to solve today’s aerospace and defence market problems, acting as a force for good with a sincere intent to positively impact its clients and their teams.

## Products & Services
- **Consulting**: Strategic advisory, market navigation, and subject matter expertise for clients aiming to achieve aerospace and defence objectives.
- **Logistics and Supply**: Supply chain support and logistics management tailored to complex defence and humanitarian environments.
- **Communication**: Strategic communication services, including social media scripting and event promotion (as evidenced by job postings for Social Media Scripter).
- **Events**: Planning and execution of events for defence, humanitarian, and government stakeholders.

*Additional note:* Spektrum Labs (a related entity) is described as “building the backbone of the cyber resilience ecosystem, unifying cybersecurity, compliance, and insurance into one seamless platform powered by AI, cryptography, and automation,” but Spektrum Labs appears to be a separate brand under the Spektrum umbrella.

## Market Standing
- **Valuation / Market Cap**: Not publicly available (private company)
- **Key Metric**: Unspecified revenue; total funding not disclosed. However, rapid hiring (112+ open roles listed on Built In) suggests strong growth and demand.
- **Notable Investors / Partners**: Not publicly disclosed. The company states it is a “Member Of” unspecified organisations, a “Registered supplier to” key entities, and holds certifications (logos visible on website but not named in the provided results).
- **Growth Signals**:
  - Fast-growing global network of partners and suppliers
  - 112+ job openings across multiple countries and disciplines (engineering, IT, talent acquisition, contract management, assurance, etc.)
  - Offices in at least six countries (Spain, UK, Belgium, Netherlands, USA, Norway)

## Competitive Advantages
- **Deep Niche Expertise**: Focus exclusively on the challenging and complex defence, humanitarian, and government sectors, an area many traditional consultancies avoid.
- **Global Network**: Extensive ecosystem of subject matter experts, partners, and suppliers that can be rapidly deployed to solve client problems.
- **Apex Payer Focus**: Directly targets the highest-level purchasers within institutional organisations and ministries of defence.

## Strategic Focus
- Priority is to help clients navigate the increasingly complex landscape of international defence and government procurement.
- Emphasis on building a “resilient and effective” supplier ecosystem through diversity and capability.
- Continuous improvement of internal processes and client support, with a culture of questioning everything to drive growth.

## Why Work Here
- **Culture Highlights**: Values include transparency, effective communication, enthusiasm and fun, and setting ambitious yet realistic goals. Employees celebrate successes together and maintain a friendly, relaxed environment.
- **Work Policy**: Hybrid workspace is available, with some roles offering a combination of remote and on-site work, while others (e.g., in The Hague, Brussels, Norfolk) are labeled “In-Office” on Built In. Policy likely depends on role and location.
- **Notable Perks / Engineering Culture**: Not explicitly described, but career growth is supported by a wide range of senior and junior roles. The company places “great emphasis on supporting and collaborating with our team and clients.” Spektrum Labs’ focus on AI, cryptography, and automation indicates a forward-leaning engineering culture in the cybersecurity arm.

## Sources
1. [Spektrum Group – Official Website](https://spektrum-group.com/)
2. [Spektrum Group – About Us](https://spektrum-group.com/about-us)
3. [Spektrum Group – What We Do](https://spektrum-group.com/what-we-do)
4. [Spektrum Group – Jobs Page](https://spektrum-group.com/jobs)
5. [Built In – Spektrum Group Careers & Culture](https://builtin.com/company/spektrum-group)
6. [Spektrum Group – Greenhouse Careers Page](https://job-boards.greenhouse.io/spektrum)

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