Senior IT System Administrator (m/f/d)

#BEcomeMAXX Are you an experienced IT professional with strong infrastructure and system administration expertise? Do you enjoy solving complex technical challenges, improving IT environments, and ensuring stable operations? Then join IronMaxx as our Senior IT System Administrator.

Ready to perform? Deine Aufgaben mit MAXXimalem Fokus IT Infrastructure & System Administration

• Administration, maintenance, and optimization of the company's IT infrastructure
• Management of Windows Server and Hyper-V environments
• Monitoring, troubleshooting, and ensuring system performance, availability, and reliability
• Administration of backup, storage, and recovery solutions
• Maintaining and improving IT security standards and system stability

Microsoft 365 & Workplace Services

• Administration of Microsoft 365, including Exchange Online, Teams, OneDrive, and SharePoint
• User, role, and permission management
• PowerShell scripting and automation of recurring tasks
• Management and support of workplace technologies and endpoint devices

Network, Security & Backup

• Administration and maintenance of network infrastructure
• Configuration and management of firewall systems, especially OPNsense
• Monitoring and optimization of network performance and connectivity
• Management of Arcserve backup solutions and Synology storage systems
• Ensuring data security, backup integrity, and disaster recovery readiness

Automation & Continuous Improvement

• Standardization and automation of IT processes
• Evaluation and implementation of new technologies and infrastructure improvements
• Documentation of systems, processes, and best practices
• Exploration and implementation of AI-powered tools and automation opportunities

Dein Skillset - stark wie unser Protein Required Qualifications

• Several years of professional experience in system administration, IT infrastructure, or a similar role
• Strong knowledge of Microsoft 365 administration
• Advanced PowerShell scripting and automation skills
• Experience with Hyper-V virtualization environments
• Solid experience with Arcserve backup solutions and Synology storage systems
• Hands-on experience with firewall systems (e.g. OPNsense)
• Good understanding of networking concepts and IT security fundamentals
• Strong troubleshooting and problem-solving skills
• Structured, solution-oriented working style with a high level of ownership

Nice-to-Haves

• Experience with Terminal Server (RDS) environments
• Experience with IT automation and scripting
• Knowledge of cloud and hybrid infrastructure environments
• Experience in fast-growing and scalable IT environments
• Interest in emerging technologies and AI-driven solutions
• Strong communication and collaboration skills across departments

#BEcomeMAXX and help shape the future of our IT landscape.