Ingénieur Systèmes Microsoft - Core Engineering (L2/L3)

Jobup; Vernier; On-site; CHF 110,000 - 150,000; Full time

Benefits offered by this job

Training and Certification

Swiss company culture

Job summary

INGINIA, a Swiss IT integrator, is expanding its Core Engineering team in Geneva’s region. The Microsoft Systems Engineer will work on critical client infrastructures, delivering bothBUILD project design and RUN operations with a focus on availability, security, and documentation.

You will handle Windows Server, AD, GPO, Exchange Online, SQL Server, and virtualization, while engaging in MSP-like collaboration with client teams. Fluency in French and strong English are expected.

Qualifications

• Engineering degree or equivalent qualification with 3–5 years of Microsoft systems administration experience.
• Experience in production environments and ability to work on critical infrastructures.
• Fluent French with good technical English, autonomous, rigorous, and team oriented.

Responsibilities

• BUILD: Design and implement Microsoft infrastructure projects for clients.
• Deploy, configure, and migrate Windows Server, AD, and Microsoft 365 environments.
• Run: provide advanced L2/L3 support, diagnose incidents, and perform maintenance.
• Document work, ensure project handover to operations, and promote security best practices.
• Contribute to standardisation and continuous improvement across environments.

Skills

Windows Server administration

Active Directory

GPO & DNS/DHCP

Microsoft Entra ID

Microsoft 365 administration

Exchange Online

SQL Server administration

PowerShell

Citrix (VDI/Apps)

Veeam or similar backups

Education

Engineering degree / Bachelor in computer science / IT technician CFC

Tools

VMware vSphere/ESXi

Proxmox VE

XCP-ng / Xen Orchestra

SAN/NAS storage

iSCSI/NFS/FC

Citrix Virtual Apps/Desktops

Job description

Who are we?

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

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

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

As a human-sized company, we prioritise technical expertise, close client relationships, and the quality of 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 diverse 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 virtualisation, consolidation, and infrastructure modernisation projects.
• Participate in architectural evolutions and platform migrations.
• Ensure production deployment, validation testing, and technical documentation.
• Guarantee a structured transition of projects to the operations teams.

RUN - Operation and advanced L2/L3 support

• Provide advanced technical support on our clients’ infrastructures.
• Handle complex incidents escalated by the ServiceDesk and Operations Control.
• Diagnose malfunctions, identify root causes, and implement sustainable solutions.
• Perform maintenance, patching, and infrastructure changes.
• Contribute to improving availability, performance, and security of environments.
• Contribute to infrastructure standardisation and 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 as an IT technician, or an equivalent qualification.

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

You enjoy both carrying out technical projects and resolving complex incidents.

You are autonomous, rigorous, and capable of working on critical infrastructures, while valuing 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 knowledge 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 basics.
• Good knowledge of PowerShell for administration and task automation.

Virtualisation and Datacenter infrastructures

• Practical experience with at least one of the following virtualisation platforms: VMware vSphere / ESXi / Proxmox VE / Vates XCP-ng / Xen Orchestra / Huawei DCS / Microsoft Hyper-V
• Understanding of virtualisation 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 virtualisation

• Knowledge of Citrix Virtual Apps and Desktops environments.
• Understanding of VDI and VDA architectures (Virtual Desktop / Virtual Desktop & App).
• 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, patch management, and identity protection principles.

Networks - Cross-disciplinary knowledge

• Good understanding of TCP/IP, VLAN, routing, DNS, and DHCP protocols.
• Ability to diagnose network connectivity issues.
• 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 are additional assets:

• Microsoft Azure and hybrid architectures.
• Microsoft Intune and workstation management.
• Microsoft Defender for Endpoint and Microsoft security solutions.
• Automation with PowerShell, scripting, or Infrastructure as Code.
• Infrastructure supervision and monitoring.
• Experience in an MSP (Managed Services Provider) environment or with an IT integrator.
• Participation in infrastructure migration or Datacenter consolidation projects.
• Microsoft, VMware, Citrix, or equivalent certifications.

Your personal qualities

Beyond your technical skills, we are primarily looking for a reliable, committed colleague who enjoys collective work.

You identify with the following qualities:

• Autonomy and responsibility: you know how to take charge of a technical issue and see it through to resolution.
• Analytical mind: you seek to understand the causes of incidents rather than merely addressing symptoms.
• Rigour: you value the quality of interventions, documentation, and adherence to procedures.
• Team spirit: you share your knowledge and contribute to collective progress.
• Client orientation: you are comfortable communicating with clients and can clearly explain technical subjects.
• Stability and priority management: you remain calm and work methodically, even in demanding situations.
• Technical curiosity: you enjoy learning and discovering new technologies.

You are fluent in French and have a good level of technical English, both spoken and written.

What we offer you

• A varied technical activity, combining infrastructure projects and advanced operations.
• Diverse client environments and cutting-edge technologies.
• A Swiss human-sized company where your skills and proposals are genuinely valued.
• Direct collaboration with experienced engineers and our technical management.
• An organisation that values autonomy, responsibility, and trust.
• Opportunities for training, certification, and professional development.
• The chance to actively participate in the evolution of our offerings and technical standards.

Application conditions

You are authorised to work in Switzerland and hold a valid driving licence.

You are available for occasional travel to our clients, mainly in French-speaking Switzerland.