Eviden, part of the Atos Group, with an annual revenue of circa € 5 billion is a global leader in data-driven, trusted and sustainable digital transformation. As a next generation digital business with worldwide leading positions in digital, cloud, data, advanced computing and security, it brings deep expertise for all industries in more than 47 countries. By uniting unique high-end technologies across the full digital continuum with 47,000 world-class talents, Eviden expands the possibilities of data and technology, now and for generations to come.
We are looking for a Senior Windows Server Administrator to support a High-Performance Computing (HPC) environment. In this role, you’ll ensure the availability and performance of Windows-based infrastructure used by the CAT (Computer-Aided Testing) department, while collaborating with cross-functional IT teams and optimizing system operations. This is a hands-on position requiring strong troubleshooting, automation, and scripting skills in a hybrid Windows/Linux setup.
Key Responsibilities: Ensure high availability and performance of critical Windows Server infrastructure in an HPC environment. Install, configure, and manage Windows servers supporting CAE/CAT applications. Provide advanced troubleshooting and root-cause analysis for system- and application-level incidents. Implement and manage Windows Server updates, patching, and OS upgrades while minimizing downtime. Collaborate with the HPC/Linux team to ensure interoperability and performance optimization across hybrid environments. Manage user access rights, Active Directory (AD) roles, and group policies while ensuring compliance with security policies. Document issues, configurations, and solutions using Confluence, IT Service Management (ITSM) systems, or internal knowledge bases. Assist application owners and end users by resolving infrastructure-related bottlenecks and integration issues. Use PowerShell and other scripting tools to automate system maintenance and monitoring tasks. Participate in weekly "on-call" shifts to support off-hours and weekend activities. Automate the provisioning and configuration of large-scale infrastructure using platforms and tools like Red Hat Ansible (Chef/Puppet), GitHub. Monitor Infrastructure health using existing solutions (Icinga or similar) and respond to hardware and software issues. Perform daily infrastructure changes Support and maintain backup and disaster recovery solutions (Veeam, TSM) to ensure data integrity and availability.
What do you bring with you:
Strong Experience as a Windows Server Administrator in enterprise or HPC environments. Deep expertise in Windows Server (2016/2019/2022), including AD, DNS, DHCP, and GPOs. Solid PowerShell scripting skills for automating and managing systems. Experience working in or alongside HPC infrastructure and Linux systems (Red Hat/CentOS/Ubuntu) is a plus. Familiarity with backup & recovery solutions such as Veeam or IBM TSM. Experience with CAE/CAT applications is an advantage. Good understanding of virtualization (VMware/Hyper-V) and system performance tuning. Strong documentation skills: experience with Jira, Confluence, and GitHub is a plus. Fluency in English is required; proficiency in German is a plus.
Interpersonal skills:
Drive, proactive, self-motivated, and willing to learn. Enjoy working in a team to solve complex issues. Ability to adjust to changing priorities.
Why Join Us?
Training and Certifications: Access to continuous learning and career development opportunities. Flexible working environment (remote options available). Competitive salary and benefits package. Opportunity to make a real impact in the world of AI and machine learning. Reimbursement: Get a yearly fixed amount for reimbursement. Performance Bonus: Earn an annual performance bonus based on your achievements. Career Advancement: Explore numerous opportunities for professional growth and career advancement. Extra Vacation Days: Take advantage of additional vacation days to relax and recharge.
Let’s grow together.