Senior System Engineer

h3Your Role /h3pAs a Senior System Engineer, you will report to the team leader of the System Team in the Platform department. You will play a key technical role in the implementation, evolution, and operational stability of Microsoft-based infrastructure platforms, both internally and for our clients. /ppYou will act as a technical reference within the team, contributing to system design decisions, operational best practices, and continuous improvement of our services. In this role, you combine strong hands‑on expertise with the ability to anticipate issues, standardize solutions, and collaborate effectively with engineers, architects, and customers. /ppIn the team you will oversee: /pulliImplement, maintain, and evolve Microsoft-based environments (Windows Server, Active Directory, WSUS, SQL Server, IIS, etc.) /liliAdminister and optimize virtualized environments (VMware ESXi, vCenter; VM lifecycle management) /liliDesign and optimize system architectures to ensure performance, scalability, and security /liliMonitor infrastructure health and proactively identify and resolve potential issues /liliProvide 2nd-level and advanced support, handling complex incidents and root cause analysis /liliAutomate operations using tools like PowerShell, Puppet, Rundeck, and Terraform /liliManage the lifecycle of Microsoft systems, ensuring they remain stable, secure and up to date /liliShare knowledge and contribute to technical standards, documentation, and team best practices /li /ulh3Our offer /h3ulliA pleasant working environment in a motivated team with solid expertise. /liliA broad field of technology, from standard applications to micro‑services on public clouds. /liliAn amazing work diversity ranging from small projects to wide programs. /liliIntensive collaboration with ELCA engineers, experts, and managers as well as directly with customers from various business areas. /li /ulh3Your profile /h3pYou are passionate about technology; you learn constantly, and you love to master challenges in a changing environment. /ppYou see yourself as a senior engineer that can lead critical implementation and production system activities, that can efficiently solve issues and communicate your knowledge among engineers. You can detect and propose proactive actions to avoid that can arise from many aspects of the service. You like teamwork and constant interaction with customers, internal or external. /ppYour expertise covers some or all the following: /pulliWindows Server and Microsoft ecosystem (AD, GPO, IIS, SQL Server, WSUS, RDS, DFS) /liliVirtualization (VMware vSphere, proxmox) /liliBackup solutions (Veeam) /liliNetworking fundamentals (DNS, DHCP, VPNs, firewalls, proxy, load balancers) /liliScripting and automation (PowerShell, python) /liliMonitoring tools (CheckMK or similar) /liliInfrastructure as Code / configuration management(Terraform, Puppet) /li /ulh3Additional strengths: /h3ulliExposure to public cloud platforms(AWS, Azure) /liliExperience with Linux administration (Debian, RHEL) /liliStrong troubleshooting and analytical skills /liliAbility to document and share knowledge /liliCustomer-oriented mindset with good communication skills /li /ulpThe position is based in Lausanne or Geneva. Excellent written and spoken French and English are required; proficiency in German is an asset. /p #J-18808-Ljbffr