# Manager Network & Systems Administration (m/f/d) at Isar Aerospace

Isar Aerospace is hiring a Manager Network & Systems Administration (m/f/d). Level rates it Little AI ●○○○; you can [apply on Isar Aerospace](https://jobsbylevel.com/go/0dd209eb-8152-410f-9961-f431789bc3de?utm_medium=ai-agent).

AI Level 1, AI centrality 36 out of 100. Parsdorf, Bavaria, Germany.

## Details

- Company: [Isar Aerospace](https://jobsbylevel.com/companies/isar-aerospace)
- AI level: AI Level 1 (score 36 out of 100)
- Location: Parsdorf, Bavaria, Germany
- Posted: October 9, 2026
- Apply: https://jobsbylevel.com/go/0dd209eb-8152-410f-9961-f431789bc3de?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=manager-network-systems-administration-m-f-d-at-isar-aerospace-d7a857

## Description

Mission Brief We are seeking a hands-on Manager Network & Systems Administration to lead, maintain, and modernize our hybrid infrastructure. In this role, you will act as both a technical lead and an infrastructure owner, bridging our on-premise virtualization, enterprise networking, and multi-cloud environments. This is a hands-on lead position designed for a senior engineer who excels at architecture, network engineering, and troubleshooting while serving as the primary technical authority for our infrastructure. You will be responsible for end-to-end reliability, system security, network connectivity, and overseeing automated deployment workflows—from bare-metal hypervisors to cloud routing. Your Role in Our Space Mission: Technical Leadership & Operations Hands-on Infrastructure Leadership: Serve as the primary technical subject matter expert (SME) and escalation point for all systems, virtualization, and network architecture. Vendor & Asset Management: Oversee infrastructure vendor relationships, license agreements, hardware lifecycles, and service level agreements (SLAs). Incident & Capacity Planning: Lead major incident responses, perform root-cause analysis (RCA), and proactively monitor capacity across storage, compute, and network links. Multi-Cloud & Virtualization Management Hybrid & Multi-Cloud Administration: Design, secure, and maintain scalable infrastructure across Azure, AWS, and IONOS Cloud. On-Premise Virtualization: Oversee, optimize, and maintain our enterprise hypervisor clusters using VMware vSphere (ESXi/vCenter) and Proxmox VE (KVM/LXC). Disaster Recovery & Data Protection: Plan, implement, and test automated backup, recovery, and high-availability strategies across all platforms. Infrastructure Automation Concepts: Understand and support Infrastructure as Code (IaC) workflows (Terraform/Ansible) to streamline server provisioning, configuration management, and patching. Enterprise Networking & Security Network & Connectivity Management: Design, configure, and troubleshoot complex network architecture involving Cloud VPCs, Site-to-Site IPsec VPNs, VLAN segmentation, DNS, DHCP, and firewalls. Traffic Management: Manage load balancing, ingress routing, and perimeter security to ensure high availability and zero-trust access principles. Qualification Checklist Operating Systems: Advanced, expert-level proficiency in Debian and/or Red Hat Enterprise Linux (RHEL) . Virtualization: Deep hands-on expertise with VMware (ESXi/vCenter) and Proxmox VE (KVM/LXC) . Cloud Platforms: Proven experience managing production environments in Azure and AWS (familiarity with IONOS Cloud is a major plus) . Networking & Firewalls: Strong understanding of TCP/IP, BGP/OSPF routing, DNS, Load Balancing (HAProxy/Nginx), enterprise Firewalls, and IPsec VPNs. Automation & Scripting (Conceptual): Solid conceptual understanding of Ansible , Terraform , Bash , or Python —ability to read, understand, run, and troubleshoot existing playbooks and scripts. Storage & Backups: Experience managing enterprise storage protocols (iSCSI, NFS, SAN) and backup tools (e.g., Veeam or built-in virtualization snapshot engines). 5+ years of hands-on experience in Systems Administration, Network Engineering, or Cloud Architecture, with demonstrated experience acting in a lead or senior capacity. Proven track record of architecting, deploying, and maintaining hybrid cloud and multi-site network environments. Strong communication skills with the ability to bridge technical requirements and business objectives. Bonus Skills Linux: Red Hat Certified Engineer (RHCE) or Linux Foundation Certified Engineer (LFCE) Cloud: Microsoft Azure Administrator (AZ-104), AWS Certified SysOps Administrator, or Solutions Architect Networking/Virtualization: VMware Certified Professional (VCP) or Cisco Certified Network Associate/Professional (CCNA/CCNP) Benefits Employee Participation Program: Share in our success through our virtual company share program 30 days of

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Source: https://jobsbylevel.com/jobs/manager-network-systems-administration-m-f-d-at-isar-aerospace-d7a857

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Level. https://jobsbylevel.com/jobs/manager-network-systems-administration-m-f-d-at-isar-aerospace-d7a857.

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