Senior System Engineer (m/w/d) - Focus Windows

We specialize in the KRITIS sector, ensuring the digital success of our customers under the highest security and quality standards. Whoever works at EWERK shapes actively the digital transformation of economy, politics, and society with and must not sacrifice a relaxed, modern, and innovative working atmosphere despite the high relevance of one's own work.

To strengthen our team, we are looking for a motivated Senior System Engineer (m/w/d) - Focus Windows.

What awaits you:

• Responsibility for planning, implementation, and maintenance of Windows-server-based customer systems / large customer environments
• Participation in migration and transition projects for large customer environments from the concept phase to the managed service
• Responsibility for conceiving and implementing monitoring concepts including dashboard development for monitoring customer infrastructure
• Monitoring and optimization of system performance as well as ensuring system stability and security
• Error analysis, troubleshooting, and problem-solving management in complex Windows environments
• Further development and automation of system management and deployment processes using scripting (PowerShell, Batch)
• Creation of technical concepts and solution descriptions as well as operation documentation
• Documented systems and processes, including knowledge transfer to the team
• Management and optimization of vCloud environments for supporting private cloud solutions
• Safety of highly available, scalable, and performant system architectures on VMware-based platforms (also through the use of standby services)
• Closely working with internal teams and external partners to meet our customers' needs.
• Closely working with the customer (IT department as well as specialist departments)

We look forward to:

• Degree in computer science or comparable degree
• Multiple years of experience in system engineering, with a focus on Windows
• Fundamental knowledge and secure handling of ITIL processes, especially in large customer services
• Safe handling of Atlassian products such as Jira, Jira Service Management, and Confluence
• Fundamental knowledge in Windows Server (e.g. 2019, 2022, 2025) and Windows Client operating systems
• Experience with Active Directory, Federation Services, Entra/M365, Exchange Server, Group Policy, DNS, DHCP, PKI, SCCM, and other Microsoft technologies
• Experience with file servers, cluster services
• Knowledge in virtualization (e.g. VMware, vCloud Director) and cloud services (azure, AWS) is advantageous
• Knowledge of security procedures hardening Windows systems according to CIS Level (implementation through GPOs, etc.)
• Experience in transition/migration projects for customer environments (planning, execution, recognizing, and resolving dependencies)
• Professional consulting internally and on the customer side for building Microsoft environments
• Very good problem-solving skills and a structured working method
• Experience in exchanging with Nearshore teams (English communication)
• Experiences in customer communication, e.g. ticket processing, developing technical solutions, accompanying and supporting at customer workshops
• Teamwork ability, communication strength, and self-initiative
• Very good German and English skills in writing and speaking

Our Benefits:

• Flexibility is our motto - Office, remote, Homeoffice or Workation in the EU? Decide yourself!
• Family-friendly - We offer flexible working hours for optimal work-life balance and support you with a childcare allowance.
• Well-supplied at work - At EWERK, you will receive self-evident free coffee, tea, lemonade, fresh fruit, and the opportunity to cook in our modern cafeteria.
• Sustainable mobility - With the JOB-Ticket and JobRad including a bike garage, we support environmentally friendly mobility and offer you the opportunity to actively move forward.
• Your development is our focus - For that, we offer tailored development measures and regular employee discussions
• Team spirit and fun - Look forward to team and company events where you can get to know your colleagues better and have fun together.
• Stay fit and active - In our own PUMPWERK, you can stay fit, participate in courses, or design your own course. And that even during working hours, because one hour per week is allowed for sports!
• Your health matters - Ergonomic work with height-adjustable desks, regular health days, our own fitness room, sick leave and visits to the company doctor ensure your physical well-being.

Interested?

At EWERK, we live diversity and want to promote an inclusive working environment where individual talents and perspectives are valued equally. We encourage all qualified people regardless of gender, sexual orientation, ethnic origin, religion, age, or physical abilities to apply. All personal formulations in the job posting are therefore to be considered gender-neutral. Potential is welcome at EWERK, regardless of identity or background.

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