Microsoft Systems Engineer - Core Engineering (L2/L3)

• 19 octobre 2026
• 100%
• Indefinite duration
• english (Intermediate), french (Fluent)
• Route de Peney 2, 1214 Vernier
• Log in to see the salary estimate from jobup.ch

Who are we? ###

INGINIA is a Swiss integrator specializing in IT infrastructures, Cloud and cybersecurity.

We support our clients in the transformation, modernization and operation of their information systems, through five areas of expertise:

• Managed Services
• Data Center & Infrastructure
• Cloud
• Cybersecurity
• Consulting & Audits

A human-sized company, we prioritize technical expertise, proximity to our clients and the quality of the services delivered.

As part of the development of our Managed Services activities, we are looking for several new talents to strengthen our Core Engineering team.

Your mission ###

As a Microsoft Systems Engineer, you will join our Core Engineering team and work on critical infrastructures and varied client environments.

Your role covers two complementary areas:

BUILD - Projects and integration

• Participate in the design and implementation of Microsoft infrastructure projects.
• Deploy, configure and migrate Windows Server, Active Directory and Microsoft 365 environments.
• Carry out virtualization, consolidation and infrastructure modernization projects.
• Participate in architecture evolutions and platform migrations.
• Ensure production deployment, validation tests and technical documentation.
• Guarantee a structured transition of projects to the operations teams.

RUN - Operations and advanced L2/L3 support

• Provide advanced technical support on our clients' infrastructures.
• Take charge of complex incidents escalated by the ServiceDesk and Operations Control.
• Diagnose malfunctions, identify their root causes and implement lasting solutions.
• Perform maintenance, patching operations and infrastructure changes.
• Participate in improving the availability, performance and security of environments.
• Contribute to the standardization of infrastructures and the continuous improvement of our services.
• Maintain rigorous technical documentation and share your knowledge with other teams.

Your profile ###

You hold an engineering degree, a Bachelor's in computer science, a CFC in IT or equivalent training.

You ideally have at least 3 to 5 years of experience in Microsoft systems administration and engineering, with significant experience in production environments.

You enjoy both the implementation of technical projects and the resolution of complex incidents.

You are autonomous, rigorous and capable of intervening on critical infrastructures, while prioritizing teamwork and customer satisfaction.

Your technical skills ###

Microsoft Environment - Essential skills

• Excellent mastery of Windows Server and its main roles and services.
• Administration and troubleshooting of Active Directory (AD DS), GPO, DNS and DHCP.
• Good mastery of Microsoft Entra ID, hybrid identities and authentication mechanisms.
• Knowledge of PKI infrastructures, certificates and RADIUS/NPS services.
• Administration of Microsoft 365 and hybrid environments.
• Knowledge of Exchange Online and messaging mechanisms.
• Administration and maintenance of Microsoft SQL Server databases: installation, configuration, backups, restoration and performance notions.
• Good knowledge of PowerShell for administration and task automation.

Virtualization and Datacenter infrastructures

• Practical experience on at least one of the following virtualization platforms: VMware vSphere / ESXi / Proxmox VE / Vates XCP-ng / Xen Orchestra/ Huawei DCS / Microsoft Hyper-V
• Understanding of virtualization architectures, high availability and shared storage.
• Experience with virtual machine migrations and platform evolutions.
• Knowledge of SAN/NAS storage technologies and iSCSI, NFS and Fibre Channel protocols.

Citrix - Desktop and application virtualization

• Knowledge of Citrix Virtual Apps and Desktops environments.
• Understanding of VDI and VDA (Virtual Desktop / Virtual Desktop&App) architectures.
• Administration and troubleshooting of Citrix infrastructures.
• Knowledge of Delivery Controller, StoreFront, VDA components and application and desktop publishing mechanisms.

Backup, availability and security

• Good understanding of system backup and restoration strategies.
• Experience with backup solutions such as Veeam, Vinchin or equivalents.
• Knowledge of high availability and Disaster Recovery mechanisms.
• Mastery of best practices for securing and hardening Windows environments.
• Understanding of vulnerability management principles, patch management and identity protection.

Networks - Cross-functional knowledge

• Good understanding of TCP/IP, VLAN, routing, DNS and DHCP protocols.
• Ability to diagnose network connectivity problems.
• Knowledge of firewalling, VPN and network segmentation principles.

Advanced expertise in routing/switching is not required for this position.

Appreciated complementary skills ###

The following experiences constitute additional assets:

• Microsoft Azure and hybrid architectures.
• Microsoft Intune and workstation management.
• Microsoft Defender for Endpoint and Microsoft security solutions.
• Automation via PowerShell, scripting or Infrastructure as Code.
• Supervision and monitoring of infrastructures.
• Experience in u