Microsoft Systems Engineer – Core Engineering

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title: Microsoft Systems Engineer – Core Engineering (L2/L3)
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Microsoft Systems Engineer – Core Engineering (L2/L3)
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Who are we?

INGINIA is a Swiss integrator specializing in IT infrastructure, 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 various 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 root causes, and implement sustainable solutions.
• Perform maintenance operations, patching, 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 an 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 client 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 with 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 – Workstation 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.

Additional appreciated 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