# C005136 Application and CIS Security Senior Support Engineer (NS) - THU 3 Sep > EMW, Inc. · Braine-l'Alleud, Belgium (Hybrid) · Contract · Posted 2026-08-21 **Workplace:** hybrid **Department:** AAS ## Description **Deadline Date:** Thursday 3 September 2026 **Requirement:** Application and CIS Security Senior Support Engineer **Location:** Braine-l'Alleud, BE **Full Time On-Site:** No **Time On-Site:** 50% **Total Scope of the request (hours):** 592 **Required Start Date:** 9 October 2026 **End Contract Date:** 31 December 2026 **Required Security Clearance:** NATO SECRET **Duties & Role:**   Main Duties 1) COTS Application Support - Design and run PoCs; produce evidence-based recommendations covering cost, operational impact, lock-in and exit strategy. - Security architecture: define secure-by-design reference architectures, patterns and hardening baselines; review new and changed service designs at architecture gates. - Threat modelling and risk: lead threat modelling for new or materially changed services; own the technical risk register entries; propose proportionate mitigations and track remediation to closure. - Support deployment of server applications running on Windows or Linux; - Integrate applications with identity providers; - Support creation and deployment of client applications on end- user workstations. - Gathering and reporting metrics and Key Performance Indicators (KPIs) - Supporting in-service operations. - Support the 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 2) Cloud Configuration (Azure, AWS) - Manage EntraID Groups and Roles - Manage and configure different Cloud components 3) 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 of applications, and coordinating Maintenance 4) COTS End-User Support: - Troubleshoot and resolve complex software problems, ensuring efficient use of resources and problem resolution. 5) Incident Logging and Tracking: - Monitor the incident management process for tickets created in the helpdesk ticketing system. - Ensure all tickets are updated with accurate and detailed information and resolved within the agreed service levels. 6) Escalation: - Escalate complex issues to vendor support or appropriate teams when necessary. - Follow up on escalated issues to ensure timely resolution and user satisfaction. 7) 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. 8) 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. 9) Communication and Collaboration: - Work with and provide input to Service Delivery Managers, Project Managers, Portfolio Managers and other stakeholders - Collaborate with NCIA and vendors teams ## Requirements **Skills, Knowledge & Experience:** - Deep understanding of end-user devices (desktops, laptops, tablets, smartphones) running Windows OS, Android OS and Apple iPhones/iPads. - Expert knowledge of computing infrastructure – Linux, Windows and Active Directory. - Expert knowledge of Microsoft SQL Server 2019-2025 and IIS based web applications. - Very good understanding and experience with AI/LLM. - Deep understanding of networking infrastructure. - Very good knowledge of cloud technologies and cloud deployment for both AWS and Azure. - Deep understanding of PKI, certificate management, post-quantum migration. - 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; - 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 client-server applications, application integration and data transformation for application integration; - Evidence-driven and vendor-neutral; able to say "not yet" and defend the position. - Strong technical skills to investigate, diagnose and resolve complex IT issues. - 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. - Strong customer service focus with a commitment to user satisfaction. - Ability to manage multiple projects/activities and prioritize tasks effectively. - Attention to detail in documenting activities and maintaining accurate records. - At least 10 years of relevant experience in the field of computer science or electronic engineering - Very good knowledge in multiple areas of Software Engineering including some of the following: Requirements elicitation and management (including non-functional requirements for Operations & Maintenance); Software change management and testing; Secure Software design,  implementation and testing; Secure Software Engineering techniques and methodologies; Configuration management practices and tools; Application Lifecycle Management concept and tools - Ability to work effectively as part of a team and share knowledge and resources. - Willingness to collaborate with colleagues to solve complex issues. - Candidate has strong customer relationship skills, including negotiating complex and sensitive situations under pressure. - Candidate must have the nationality of one of the NATO nations. - Candidate must possess a NATO Secret Security Clearance or national equivalent. - Prior experience in an international environment comprising both military and civilian elements; ## Apply [Apply at EMW, Inc.](https://apply.workable.com/emw/j/B0AA70274D/apply) --- Powered by [Workable](https://www.workable.com)