IT System Administrator (m/f/d)

About the role

We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space. Our mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations. We are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation. We're making rockets in a way that hasn't been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career! Want to find out more about us? Visit www.isaraerospace.com Data Protection We process your personal data for the purpose of managing the recruitment process and assessing your application. For detailed information on how your data is processed, including your rights, please refer to our Privacy Policy . Disclaimer Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply.

Benefits

Additional Information

Mission Brief We are seeking a versatile Hybrid Infrastructure Engineer to bridge the gap between our on-premise virtualization and multi-cloud footprint. This is a "best of both worlds" role: you will manage our private cloud clusters (VMware/Proxmox) while orchestrating production workloads across Azure, AWS, and IONOS Cloud. The ideal candidate is a Debian Linux expert who views manual configuration as a failure and uses Ansible and Terraform to automate everything from the OS kernel to global network routing. Your Role in Our Space Mission: Multi-Cloud Administration: Design and maintain scalable infrastructure across Azure, AWS, and IONOS Cloud. Virtualization Management: Oversee our on-premise footprint using VMware vSphere and Proxmox VE. Infrastructure as Code (IaC): Develop and maintain Terraform modules for provisioning and Ansible playbooks for configuration. System Mastery: Provide expert-level support for Debian Linux environments (security patching, performance tuning, and troubleshooting). Network Troubleshooting: Resolve complex connectivity issues involving Site-to-Site VPNs, Cloud VPCs, and local VLANs. Disaster Recovery: Ensure data integrity and high availability across all platforms through automated backup strategies. Qualification Checklist 3-5+ years of experience as a Systems Administrator, Linux Administrator, or Cloud Administrator Strong hands-on experience with Linux-based systems (administration, troubleshooting, automation) Cloud platform experience (Azure and/or AWS preferred) Relevant industry certifications, such as: (Red Hat Certified Engineer (RHCE), Microsoft Azure Administrator (AZ-104 or equivalent), AWS Certified SysOps Administrator) Operating Systems: Advanced proficiency in Debian, Redhat Linux. Cloud Providers: Proven experience with Azure and AWS. (Familiarity with IONOS Cloud is a major plus). Automation: Professional experience with Ansible and Terraform in a production environment. Virtualization: Hands-on expertise with VMware (ESXi/vCenter) and Proxmox (KVM/LXC). Networking: Strong understanding of TCP/IP, DNS, Firewall rules, and Load Balancing. Bonus Skills Relevant industry certifications, such as: (Red Hat Certified Engineer (RHCE), Microsoft Azure Administrator (AZ-104 or equivalent), AWS Certified SysOps Administrator) Scripting: Proficiency in Bash or Python.

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