System Engineer

25 August 2026
100%
Permanent position
Genève

Job summary

Talan is a global consulting firm specializing in technology transformation. Join a dynamic team focused on digital innovation and positive impact.

Tasks

Design and manage Microsoft environments like Active Directory and Exchange.
Ensure infrastructure availability, performance, and security.
Automate tasks using PowerShell scripts for efficiency.

Skills

Proven experience in Microsoft infrastructure management required.
Strong knowledge of Active Directory, PKI, and scripting essential.
Familiarity with security compliance and incident resolution needed.

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About the job

Company Description

Talan is an international consulting and technology expertise group that supports and accelerates the digital transformation of its clients through the levers of technology, data and innovation.

For over 20 years, Talan has been advising and supporting companies and public institutions in defining and implementing their transformation and innovation projects in Switzerland and internationally.

Present on 5 continents in 21 countries, the Group, certified Great Place To Work, has more than 7000 employees.

Equipped with a Research and Innovation Centre, Talan places innovation at the heart of its development and operates in areas of technological change such as Artificial Intelligence, Data Intelligence, Blockchain, to serve the growth of large groups and mid-sized companies in a committed and responsible approach.

By placing "Positive Innovation" at the heart of its strategy, Talan is convinced that it is by serving people that technology amplifies its impact on society as a whole.

#TalanSwitzerland

Job Description

Design, implement and administer Microsoft environments: Active Directory, DNS, DHCP, Exchange, PKI, DFS, Microsoft Teams, etc.
Ensure the availability, performance and security of infrastructures.
Diagnose and optimise issues related to Active Directory, DNS and GPO.
Implement and maintain security policies: password management, account lockout, audit and compliance.
Ensure the integration of Active Directory with Microsoft 365, Azure AD/Entra ID and third-party applications.
Develop and maintain PowerShell scripts to automate administration and reporting tasks.
Design and maintain disaster recovery solutions for Active Directory.
Administer PKI infrastructures, including Root and Intermediate certification authorities.
Design, deploy and administer Citrix environments.
Provide production support and resolve complex incidents.
Implement and maintain monitoring and supervision solutions.
Perform root cause analyses and contribute to Problem Management.
Collaborate with technical and business teams for evolutions and integrations.
Ensure system compliance with security policies and internal procedures.
Maintain comprehensive technical documentation of environments and procedures.
Participate in a 24/7 on-call rota, approximately one week per month.

Qualifications

Proven experience in Microsoft infrastructure administration and engineering.
Strong expertise in Active Directory, DHCP, SCOM, SCCM and Exchange 2019.
Solid skills in PKI and certificate management.
Proficiency in PowerShell for automation and scripting.
Good knowledge of Microsoft Teams and Windows Server environments.
Experience in automation with Ansible.
Strong awareness of security, availability, monitoring and service continuity issues.
Ability to handle complex incidents, perform root cause analyses and propose sustainable improvements.
Experience with Citrix, Microsoft 365, Intune or AirWatch is a real asset.
Autonomy, rigour and ability to work in a demanding and highly regulated environment.