{"id":3276332,"url":"https://alion.io/job/isar-aerospace-it-network-administrator-fmd","title":"IT Network Administrator (f/m/d)","company":{"id":3337,"name":"Isar Aerospace","domain":"isaraerospace.com","url":"https://alion.io/company/isar-aerospace-se","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":69,"ghost_share":0,"stale_share":0.42,"repost_share":0,"time_to_fill_p50_days":63,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Networking","role_family":"Networking","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Parsdorf, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Bash","optional":false},{"name":"Grafana","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"Windows","optional":false},{"name":"Wireshark","optional":false},{"name":"BGP","optional":true},{"name":"DHCP","optional":true},{"name":"DNS","optional":true},{"name":"OSPF","optional":true},{"name":"TCP/IP","optional":true},{"name":"VLAN","optional":true}],"status":"live","first_seen_at":"2026-10-26T13:52:11Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-11-03T04:44:27Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Mission Brief \nAs an IT Network Administrator you will play a crucial role in maintaining, securing, and modernizing our network infrastructure. In this role, you will ensure high availability and seamless connectivity across our office, testing, and cloud environments, bridging physical network infrastructure with our software and data initiatives. \nThis is a hands-on engineering position for a versatile administrator who excels at multi-vendor network operations, 1st through 3rd-level support, and rapid outage recovery. You will work closely with system engineers, DevOps, and developers to build a resilient, automated, and high-performance network foundation.\nYour role in our Space Mission\nNetwork Administration & Operations \nNetwork Operations & Security: Ensure the reliable, high-availability, and secure operation of our global IT network environment. \n Multi-Vendor Management: Install, configure, optimize, and maintain network devices (switches, routers, firewalls, wireless access points) from various hardware vendors. \nPerformance & Monitoring: Actively monitor network stability, bandwidth, and traffic metrics to proactively prevent bottlenecks and ensure uptime. \nIncidentResolution & Escalation \nMulti-Tier Support: Provide comprehensive support for network and connected system environments across 1st, 2nd, and 3rd-level escalation tiers. \n Outage & Fault Recovery: Rapidly analyze, troubleshoot, and perform root-cause analysis (RCA) on network outages or faults to restore operative service promptly. \nProcess Improvement: Identify workflow bottlenecks, system inefficiencies, and operational friction to implement smarter, more automated support solutions. \nInfrastructure Projects & Developer Support \nInfrastructure Delivery: Actively participate in the design, planning, and execution of global IT infrastructure and connectivity projects. \nDeveloper Enablement: Work alongside software engineering and data teams to ensure reliable network routing, cloud VPC connectivity, and low-latency environments for development pipelines. \nWhat you´ll need to thrive...\n3-5+ years of hands-on experience in Network Administration, Systems Administration, or Network Engineering. \nProven track record of managing multi-vendor network environments and recovering complex infrastructure from outages. \nStrong analytical, problem-solving, and communication skills in collaborative technical environments.\nNetworking & Protocols: Strong practical understanding of TCP/IP, BGP, OSPF, VLAN segmentation, DNS, DHCP, NAT, and IPsec VPNs.\nHardware & Firewalls: Hands-on experience configuring and troubleshooting enterprise switches, routers, firewalls, and wireless controllers across major vendors. \n Monitoring & Diagnostics: Experience utilizing network monitoring tools (e.g., Checkmk, Grafana, Wireshark, or SNMP-based platforms) for traffic analysis and diagnostics. \n Automation & Scripting (Conceptual): Solid conceptual understanding of Ansible, Terraform, Bash, or Python -ability to read, understand, run, and troubleshoot existing scripts and playbooks used for network automation and deployment. \n Operating Systems: Familiarity with Linux (Debian/RHEL) and Windows network configuration and troubleshooting.\nNice to have...\nExperience working in a dynamic, fast-paced environment (e.g., startup, scale-up, or rapidly growing enterprise). \n Relevant Certifications: Cisco Certified Network Associate/Professional (CCNA/CCNP), Juniper Networks Certified (JNCIA/JNCIS), or equivalent network engineering credentials. \nJoin a team where IT support is recognized as a critical service, user experience is a priority, and problem-solving is at the heart of everything we do.\nWe´re looking for specialists who are excited by ownership, motivated by technical excellence, and driven to deliver reliable support to users every day. Don´t worry if your experience doesn´t match every single qualification.\nIf you´re excited about the opportunity, we encourage you to apply. We´d love to learn how your skills, ideas, and perspectives could help us continue to evolve and innovate. \nBenefits \nEmployee Participation Program: Share in our success through our virtual company share program\n30 days of vacation: Enjoy the days off to relax and recharge \nCompany pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period\nSubsidised lunch: Stay energised with delicious, subsidised lunches every day\nFlexible mobility budget: Travel your way with a choice between a fully financed Deutschlandticket, JobRad bicycle leasing, FINN JobAuto, or a fuel allowance\nRental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service \n Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)\nIndividual learning allowance: Grow your skills with an individual learning budget granted after the probation period\nChildcare allowance: Receive a childcare allowance for your non-school-age children\nAnd Much More! Discover additional perks and benefits when you join our team. \nWho we are\n\nWe 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.\nOur mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations.\nWe 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.\nWe'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!\nWant to find out more about us?\nVisit www.isaraerospace.com\nData Protection\n 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.\nDisclaimer\n 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. 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