IT Senior System Administrator (m/f/d)

Media Broadcast Satellite GmbH (MBS) is a reliable service integrator for critical communications services and operator of managed gateways. We have been operating data and voice communications via satellite and data networks for more than 40 years – worldwide and in space. Our expertise ranges from classic satellite services to tailor-made applications in the New Space field.

Government and business customers worldwide trust in the integrity and innovative strength of MBS. This is also because we have our own fail-safe infrastructure in Germany.

As an IT Senior System Administrator (m/f/d), you ensure the digital foundation of our IT remains stable, secure, and future-ready. You take responsibility for our entire system landscape, introduce new technologies, and ensure seamless interaction across all components—from the server room to the cloud. Located at one of our sites in Usingen near Frankfurt am Main, Munich or Hamburg, you will work with cutting-edge infrastructure, automate processes, orchestrate complex environments, and shape the next generation of our systems that reach from the Earth into space.

• Ensuring stable, secure and high-performance operation of our server, storage and cloud infrastructure
• Administration, configuration and optimization of Windows and Linux servers as well as virtual environments (Proxmox, VMware)
• Implementation and maintenance of monitoring, backup and security solutions
• Troubleshooting and incident resolution in 2nd- and 3rd-level support
• Automation and standardization of operational processes (e.g. using PowerShell, Ansible, MECM)
• Technical documentation and continuous process improvement
• Close collaboration with network, security and DevOps teams in infrastructure projects
• Support in IT security, compliance and audit-related matters
• Further development of our hybrid infrastructure including cloud services (Azure, M365, Exchange Online)

• Completed vocational training in IT (e.g. IT specialist for system integration) or a degree in computer science / information technology
• At least 5 years of experience in system administration of complex IT environments
• In-depth knowledge of Windows Server, Active Directory, Linux systems and virtualization technologies (Proxmox, VMware)
• Experience with cloud platforms (Azure, M365) and modern backup (Veeam), monitoring (CheckMK) and automation tools (MECM)
• Know-how in IT security, firewalls and network integration
• Structured, proactive and solution-oriented working style
• Strong communication skills, team-focused mindset and willingness to take ownership
• Required language skills: German – C1, English – C1

• Freedom, trust and responsibility for the tasks assigned to you in an international environment with flat hierarchies
• Flexibility in terms of working hours thanks to flexitime arrangements and a mix of presence at the company site and working from home
• Extensive equipment with company cell phone and company laptop
• Long-term support in acquiring new skills through further training
• Permanent employment contract with 30 days of vacation and employer contributions to the company pension scheme
• Further financial benefits: Benefit card with monthly credit & motivational leasing for e-cars through employer subsidy