Hybrid Infrastructure Administrator

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.

• 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.

• Employee Participation Program: Share in our success through our virtual company share program
• 30 days of vacation: Enjoy the days off to relax and recharge
• Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period
• Subsidised lunch: Stay energised with delicious, subsidised lunches every day
• Public transport ticket: Commute with ease using a fully financed Deutschlandticket
• Rental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service
• Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)
• Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
• Childcare allowance: Receive a childcare allowance for your non-school-age children
• And Much More! Discover additional perks and benefits when you join our team.

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!