L3 Support Engineer for COTS Applications

Victrixlegionlda; Lisboa; Híbrido; EUR 45 000 - 65 000; Tempo integral

Resumo da oferta

Victrixlegionlda is seeking an L3 Support Engineer for COTS applications in a NATO hybrid environment. The role requires deep knowledge of Windows, Linux, networking, cloud platforms (AWS/Azure) and security directives.

Successful candidates will handle complex issues, guide users, and collaborate in cross-functional teams while maintaining high service levels. Proficiency in SQL Server, IIS, and web applications, plus strong communication in English (French a plus), are essential for effective

Qualificações

• End-user devices across Windows, Android, iOS platforms.
• Linux/Windows server infrastructures and Active Directory expertise.
• SQL Server and IIS-based web applications proficiency.
• AI/LLM concepts including deployment, integration, MLOps and lifecycle management.
• Networking and cloud deployments on AWS and Azure.
• PKI, CIS security constraints, and NATO directives knowledge.
• Microsoft services familiarity (Outlook, Teams, SharePoint).
• COTS deployment and client-server app management experience.
• Strong troubleshooting and user-guidance abilities.
• Excellent English communication; French is a plus.
• Ability to work in cross-functional teams and manage multiple tickets.

Ferramentas

IIS

JBOSS

Apache Tomcat

.NET

Linux server infrastructure

Windows server infrastructure

Active Directory

SQL Server

IIS based web apps

Cloud AWS

Azure

PKI

NATO security

Descrição da oferta de emprego

L3 Support Engineer for COTS Applications 2 positions

NATO Hybrid

UNTIL 07 September, 2026

Skill, Knowledge & Experience:

• 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.


• 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;


• Strong troubleshooting skills to diagnose and resolve hardware, software, and network issues.


• Ability to guide users through problem-solving steps effectively.


• 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.


• Patience and empathy when dealing with 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 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 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


• 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;