S

Spektrum Management Group

Aerospace, defense and government support

Senior Application Support Engineer

Enterprise Applications +1Confirmed live in the last 24 hours
Full-timeBraine-l'Alleud, BelgiumNo salary listed

About the Job

Requirements

  • Deep understanding of end-user devices, including desktops, laptops, tablets, and smartphones running Windows, Android, and Apple iOS.
  • Expert knowledge of Linux and 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 and large language models, including cloud- and on-premises-based LLMs, 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 on AWS and Azure.
  • Deep understanding of public key infrastructure.
  • Expert knowledge of software engineering technologies and standards, including at least four of HTML5, REST and web services, XML, HTTP, SQL, and Visual Basic for Applications.
  • Knowledge of identity management and application integration using OAuth, OIDC, and SAML2.
  • Knowledge of application server technologies and relational database management systems.
  • Knowledge of programming languages and platforms including .NET/C#, Java, and JavaScript.
  • Knowledge of task automation through scripting in Windows and Linux.
  • Deep understanding of security constraints and requirements in communications and information systems.
  • Deep understanding of NCIA and NATO security directives and regulations, as well as industry best practices and standards.
  • Familiarity with Microsoft Outlook, Teams, and SharePoint.
  • Experience and good knowledge of COTS technologies including IIS, JBoss, Apache Tomcat, and .NET-based applications.
  • Extensive experience deploying and managing client-server applications, application integration, and data transformation for application integration.
  • Strong troubleshooting skills to diagnose and resolve hardware, software, and network issues.
  • Ability to guide users through problem-solving steps effectively.
  • Full proficiency in English.
  • Ability to communicate technical information clearly to non-technical users.
  • Ability to work in cross-functional application management and deployment teams.
  • Strong customer-service focus and commitment to user satisfaction.
  • Patience and empathy when handling user issues and concerns.
  • Ability to manage multiple support tickets and prioritize tasks effectively.
  • Attention to detail in documenting support activities and maintaining accurate records.
  • At least three years of relevant experience in computer science or electronic engineering.
  • Very good knowledge in areas of software engineering, including requirements elicitation and management, nonfunctional requirements for operations and maintenance, software change management and testing, software design, implementation and testing, software engineering techniques and methodologies, application release and deployment management, configuration management practices and tools, and application lifecycle management concepts and tools.
  • Ability to work effectively as part of a team and share knowledge and resources.
  • Strong customer relationship skills, including negotiating complex and sensitive situations under pressure.
  • Prior experience in an international environment comprising military and civilian elements.
  • Valid National or NATO Secret personal security clearance.

Responsibilities

  • Deploy and manage server applications running on Windows or Linux servers.
  • Integrate applications with identity providers.
  • Support the creation and deployment of client applications on end-user workstations.
  • Gather and report metrics and key performance indicators.
  • Support in-service operations of the systems.
  • Support and operate assigned systems used by the NATO Enterprise community and local commands.
  • Manage and configure Atlassian products.
  • Maintain operational and support environments.
  • Monitor the performance of assigned service applications.
  • Support CIS Support Units and other support staff in daily system operations.
  • Manage Entra ID groups and roles.
  • Manage and configure cloud components.
  • Deploy, configure, and support AI-based solutions, tools, and agents.
  • Support the integration of AI into COTS applications in production environments.
  • Monitor, maintain, and support AI-related solutions on an ongoing basis.
  • Provide support services in accordance with service-level agreements and NCI Agency support levels, roles, and responsibilities.
  • Provide second- and third-level support for end-user queries.
  • Troubleshoot and resolve software issues and problems to minimize user disruption and use resources efficiently.
  • Communicate solutions and advice to customers and users.
  • Monitor the incident-management process for helpdesk tickets.
  • Log and track support incidents in the helpdesk ticketing system.
  • Keep tickets accurately and fully documented and resolve them within agreed service levels.
  • Escalate complex issues to vendor support or appropriate teams and follow up to ensure timely resolution and user satisfaction.
  • Create and maintain a knowledge base documenting common issues and solutions.
  • Share knowledge and best practices with team members to improve service quality.
  • Analyze and document new requirements and change requests.
  • Participate in reviews of requirements definitions, software designs, functional and technical analyses, systems specifications, and other deliverables.
  • Control, manage, and provide access to restricted areas managed by the business area.
  • Ensure the proper functionality and security of software and hardware managed by NBAC.
  • Monitor COTS applications and other NBAC-managed software, identifying and reporting infrastructure, hardware, and software application problems.
  • Support the NBAC team with security approval and accreditation of software applications and CIS.
  • Check and control compliance with NCIA and NATO security regulations governing the use of software and hardware within NBAC services.
  • Gather functional and nonfunctional requirements, including drafting systems specifications.
  • Support technical reviews, walkthroughs, and audits.
  • Support preparation of functional and technical specifications for software and hardware, with a focus on the SSBA BA domain.
  • Support change management, configuration management, release and deployment, and testing.
  • 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 teams and vendors.

Desired Qualifications

  • French language proficiency is desirable and advantageous.

About the Company

Spektrum Management Group

Aerospace, defense and government support

Spektrum Management Group provides consulting, staffing, logistics and market support across defense, humanitarian and government sectors. It helps clients plan, win, deliver and operate programs, recruits specialist personnel and coordinates products or support for demanding locations. The company focuses on international institutions, English-speaking governments and ministries of defense, with documented work supporting NATO requirements. Its model combines subject-matter experts, supplier networks and project teams rather than acting only as a recruitment agency or equipment reseller.

Company size
Not listed
Company stage
Not listed
Total funding
Not listed
Headquarters
Not listed
Founded
Not listed

Recently Posted Jobs

Explore more opportunities at Spektrum Management Group

See more jobs