L3 Support Engineer – COTS Applications

EMW

L3 Support Engineer for COTS Applications providing support services and troubleshooting software issues. Deploying and managing server applications on Windows/Linux servers for NATO-related projects.

Posted 5/26/2026contractBraine-l'Alleud • 🇧🇪 BelgiumMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AndroidApacheAWSAzureCloudJavaJavaScriptLinuxMS SQL Server.NETSQLVBA

About the role

Key responsibilities & impact

Deploy and manage server applications running on Windows or Linux servers;
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)
Manage EntraID Groups and Roles
Manage and configure different Cloud components
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.
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.
Escalate complex issues to vendor support or appropriate teams when necessary.
Follow up on escalated issues to ensure timely resolution and user satisfaction.
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.
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.
Work closely together and provide input to Service Delivery Managers, Project Managers, Portfolio Managers and other stakeholders.
Communicate effectively with users to understand their issues and provide clear instructions.
Collaborate with NCIA and vendors teams to resolve issues and improve service delivery.
Acting as a point of contact for the CIS Support Units (CSU) and other support staff for daily operations of the services.
Provide briefings and presentations.

Requirements

What you’ll need

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.
Expert knowledge of networking infrastructure.
Very good knowledge of cloud technologies and cloud deployment for both AWS and Azure.
Expert knowledge of PKI.
Expert knowledge and experience in state-of-the-art technologies, 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 data base 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 technology: Atlassian products (Jira, Jira Service Management, Confluence); IIS, JBOSS, Apache Tomcat
Extensive experience in deployment and management of client-server applications, application integration and data transformation for application integration;
Very good knowledge and at least two years experience in various areas of Software Engineering including some of the following: Requirements elicitation and management (including non-functional 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.
Strong troubleshooting skills to diagnose and resolve hardware, software, and network 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.
Strong customer service focus with a commitment to user satisfaction.
Ability to manage multiple support tickets and prioritize tasks effectively.
Ability to work effectively as part of a team and share knowledge and resources.
The candidate has strong customer relationship skills, including negotiating complex and sensitive situations under pressure.
The candidate must have the nationality of one of the NATO nations.
The candidate must possess a NATO Secret Security Clearance or national equivalent.
Prior experience of working in an international environment comprising both military and civilian elements;

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account EMW Website LinkedIn All Job Openings 51 - 200 employees Founded 1995 🔒 Cybersecurity 📡 Telecommunications 🔐 Security Cybersecurity
Telecommunications
Security EMW is a global, responsive, and adaptable systems integration company, providing lifecycle Systems Engineering and Technical Assistance (SETA), Engineering and Installation (E&I), Operations and Maintenance (O&M) and Force Protection. It specializes in Health Information Technology, Cyber Security and Information Assurance, Perimeter Security, and Telecommunications Infrastructure. As a NATO Premier Security Provider, EMW offers comprehensive solutions in managing health IT operations, help desk support, and medical systems integration. Their approach to cyber threats is holistic, ensuring adherence to Information Assurance Vulnerability Alerts, scanning for network vulnerabilities, and managing security incidents. Additionally, EMW designs and integrates various security systems including sensors and access controls. L3 Support Engineer – COTS Applications 🔥 1 hour ago 🏢🏡 Braine-l'Alleud – Hybrid ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 📞 Support Engineer Android Apache AWS Azure Cloud Java JavaScript Linux MS SQL Server SQL VBA .NET Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Deploy and manage server applications running on Windows or Linux servers;
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)
Manage EntraID Groups and Roles
Manage and configure different Cloud components
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.
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.
Escalate complex issues to vendor support or appropriate teams when necessary.
Follow up on escalated issues to ensure timely resolution and user satisfaction.
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.
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.
Work closely together and provide input to Service Delivery Managers, Project Managers, Portfolio Managers and other stakeholders.
Communicate effectively with users to understand their issues and provide clear instructions.
Collaborate with NCIA and vendors teams to resolve issues and improve service delivery.
Acting as a point of contact for the CIS Support Units (CSU) and other support staff for daily operations of the services.
Provide briefings and presentations. 🎯 Requirements
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.
Expert knowledge of networking infrastructure.
Very good knowledge of cloud technologies and cloud deployment for both AWS and Azure.
Expert knowledge of PKI.
Expert knowledge and experience in state-of-the-art technologies, 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 data base 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 technology: Atlassian products (Jira, Jira Service Management, Confluence); IIS, JBOSS, Apache Tomcat
Extensive experience in deployment and management of client-server applications, application integration and data transformation for application integration;
Very good knowledge and at least two years experience in various areas of Software Engineering including some of the following: Requirements elicitation and management (including non-functional 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.
Strong troubleshooting skills to diagnose and resolve hardware, software, and network 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.
Strong customer service focus with a commitment to user satisfaction.
Ability to manage multiple support tickets and prioritize tasks effectively.
Ability to work effectively as part of a team and share knowledge and resources.
The candidate has strong customer relationship skills, including negotiating complex and sensitive situations under pressure.
The candidate must have the nationality of one of the NATO nations.
The candidate must possess a NATO Secret Security Clearance or national equivalent.
Prior experience of working in an international environment comprising both military and civilian elements; Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

Windows OSLinux server infrastructureActive DirectoryMicrosoft SQL Server 2019-2025IIScloud technologiesAWSAzurePKI.NET/C#Java

Soft Skills

troubleshootingcommunicationcustomer serviceteamworktask prioritizationnegotiationuser satisfactionknowledge sharingproblem resolutiondocumentation

Certifications

NATO Secret Security Clearance