Senior System Engineer - Level 2-3 - Microsoft 365

Position: Senior System Engineer - Level 2-3 Support - Microsoft 365
Location: Genf

For one of our major clients in Geneva, we are looking for a Senior Microsoft Workplace & VDI Engineer to reinforce a skilled Level 2 support team (4 people).

This is a 100% on-site, hands‑on role with real ownership. You will act as the technical reference for Microsoft environments, VDI platforms, endpoint security, monitoring, and automation, ensuring a high‑performance, secure, and seamless end‑user experience.

If you enjoy solving complex issues, optimizing systems at scale, and working close to the business, this role is for you.

Modern Workplace & Infrastructure Support

• Handle Level 2 & Level 3 incidents and requests, with a focus on complex and high‑impact issues.
• Support and mentor Level 1 teams, especially on Microsoft services (Outlook, Exchange, Teams).
• Administer and evolve the Omnissa (formerly VMware EUC) ecosystem:
  Horizon, Workspace ONE, UEM (VDI/DaaS & endpoints).
• Manage and optimize the Microsoft stack:
  Windows 10/11, Intune/SCCM, Entra , Teams.
• Ensure stability, security, and compliance across workstations and mobile devices.

Monitoring, Performance & User Experience

• Administer on‑premise monitoring tools for infrastructure health and capacity.
• Deploy and operate user experience monitoring solutions (Control Up or equivalent).
• Diagnose performance bottlenecks and optimize infrastructure paths.
• Implement automated performance benchmarks and integrate them into monitoring systems.

Identity, Security & Deployments

• Configure and manage Entra  (Azure AD), access policies, and identity services.
• Administer Microsoft Teams for secure, reliable collaboration.
• Design and execute OS, application, and patch deployment strategies.
• Apply endpoint security and compliance best practices.

Automation & Engineering Practices

• Develop and maintain Power Shell automation scripts.
• Contribute to CI/CD pipelines using Git Hub for infrastructure and workplace automation.
• Exposure to Terraform or Infrastructure as Code is a strong plus.
• Apply testing and validation processes to guarantee deployment quality.

Service Management & Knowledge Sharing

• Work with Service Desk+ (ITSM) for incident, change, and problem management.
• Participate in MDM / cmdm administration for endpoint and mobile security.
• Produce clear, structured documentation: runbooks, procedures, and technical guides.
• Actively contribute to knowledge sharing across L1/L2/L3 teams.

What we are looking for Technical Expertise

• Strong background in Microsoft workplace technologies:
  Windows, Intune/SCCM, Teams, Entra , Exchange, Outlook.
• Proven hands‑on experience with Omnissa / VMware EUC (Horizon, Workspace ONE, UEM).
• Solid expertise in monitoring, troubleshooting, and performance optimization.
• Advanced Power Shell scripting skills.
• Good understanding of CI/CD tools and Git Hub;
  Terraform is a plus.
• Experience with ITSM tools (Service Desk+) and MDM solutions.

Experience

• 15+ years of professional experience.
• Strong track record in L2/L3 support within on‑premise or hybrid environments.
• Comfortable acting as a technical authority and escalation point.

Languages

• English:
  Fluent
• French:
  Strong asset

#J-18808-Ljbffr