We are looking for a highly experienced and versatile Senior Infrastructure & Cloud Engineer to lead the design, implementation, and optimization of our IT infrastructure and cloud environments to join our Sisvel team in Luxembourg!

The ideal candidate will bring over 10 years of hands-on experience in IT infrastructure, security systems engineering, cloud technologies, and project management. This role requires a strategic thinker with strong technical expertise and a passion for continuous improvement and innovation.

Responsibilities:

M365

• Design and implement Microsoft 365 solutions such as Entra ID, Teams, SharePoint Online, Exchange Online, Intune, etc.;
• Lead and support migrations from on-premises environments to Microsoft 365 (e.g., file servers to SharePoint);
• Configure and manage identity, access, and compliance features across Microsoft 365 and hybrid environments, ensuring adherence to industry best practices;
• Troubleshoot and resolve complex technical issues; provide ongoing operational support and performance tuning of Microsoft environments;
• Work closely with clients to understand their business needs, gather requirements, and deliver tailored technical solutions;
• Conduct training sessions, documentation, and knowledge sharing with IT teams and end-users to ensure long-term success of implemented solutions.
• Configure and manage the backup solution: Avepoint

Infrastructure Cloud Strategy & Governance

• Develop and execute mid-to-long-term strategic plans for IT infrastructure and cloud transformation;
• Ensure infrastructure scalability, reliability, and compliance with industry standards (ISO 27001, CIS, etc.);
• Design and manage hybrid private and public cloud environments (Azure, AWS or similar);
• Lead migration projects from on-premise to cloud platforms;
• Implement automation and orchestration tools to streamline operations.

Security, Networking & Compliance

• Oversee infrastructure security as Level 2 & 3 support, including firewall, network, servers, and endpoint protection;
• Conduct risk assessments and implement disaster recovery and business continuity plans;
• Ensure compliance with data privacy regulations and internal audit requirements;
• Configure and manage Sophos Firewall;
• Networking fundamentals: TCP/IP, DNS, routing;
• Automation and scripting: PowerShell, technical documentation.

Project Leadership

• Lead cross-functional infrastructure projects from concept to delivery.
• Collaborate with stakeholders to align technical solutions with business needs.

Requirements:

• Bachelor’s or Master’s degree in Computer Engineering, Information Technology, or related field.
• From 5 to 10 years of experience in IT infrastructure, cloud engineering, and security.
• Proven experience in managing enterprise IT environments with a strong knowledge on Azure (VMs, networking, AKS, VNet, SQL) & M365 cloud.
• Strong knowledge of Windows Server, networking (TCP/IP, Cisco), virtualization, and cloud platforms.
• Copilot and other AI knowledge is considered a plus.
• Experience with ITIL processes, and ISO standards.
• Excellent communication, problem-solving, and stakeholder management skills.
• Certifications (Preffered): Agile Scrum Project Management or equivalent, ISO 27001 is considered a plus, Security certifications are a plus.
• Languages: Fluent in spoken and written in English (other languages are considered a plus).

Skills:

• Team spirit, self-organized, autonomous.
• Strongly result and service oriented.
• Ability to perform under pressure with strong analytical and problem-solving skills.
• Very good oral and written communication skills.
• Proactive, force of proposal, anticipation.
• Open minded, not afraid to go outside the comfort zone.

What we offer

• Interesting tasks and responsibilities within a fast-paced environment and innovative business.
• Work with cutting-edge technologies and contribute to digital transformation.
• A working environment characterized by dynamic and international cultures.
• An open team culture with shared goals.