Job
In this role, you will plan, operate, and develop LAN, WAN, and firewall infrastructures for fiber optic networks, administer Linux systems, and troubleshoot issues in 2nd and 3rd level support.
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Your role in the team
- In the European collaborative project QUANT-GPlCz, we are bringing quantum-secured communication from research into practice: We are implementing quantum key distribution (QKD) in real-world fiber-optic networks and developing the network layer required for it.
- Research and network architecture are closely intertwined, making the work varied and exciting.
- As part of this project, you will work at our Fraunhofer Center site in Erfurt alongside our international team in the Photonic Quantum Systems department.
- Planning, operation, further development, and documentation of our LAN, WAN, and firewall infrastructures for IT and quantum fiber-optic testbeds.
- Administration of existing Linux network systems and contribution to security concepts.
- Further development of fiber-optic infrastructures and testbeds for national and international quantum research projects.
- Analysis and resolution of complex issues as part of 2nd- and 3rd-level support.
- Contribute to shaping architectural decisions, technical standards, and initiatives as part of the IT Strategy 2030.
- Managing external service providers and manufacturers, and actively shaping supplier management.
Our expectations of you
Education
- Completed technical university degree (Bachelor’s or University of Applied Sciences diploma) in computer science, business informatics, public administration informatics, physics, mathematics, or a comparable field, as well as many years of relevant professional experience.
Qualifications
- Experience with complex Linux network setups.
- Structured and analytical approach to work, strong problem-solving skills, and a pronounced security awareness.
- Strong communication skills and a sense of ownership.
- Very good German (C1) and good English (B2), both spoken and written.
- Load balancing and load distribution mechanisms.
- Basic knowledge of scripting languages (e.g., Shell, Python, uCode).
Experience
- Extensive experience in operating and further developing LAN, WAN, and firewall infrastructures.
- Experience in 2nd- and 3rd-level support, as well as in working with external service providers and manufacturers.
- Several years of experience with the Linux network stack (TCP/UDP, IPv4, IPv6, eBPF) would be desirable.
- Several years of experience in routing and routing protocols (BGP, Babel, OSPF).
- Several years of experience as a network administrator in data center operations, working with Linux in a network environment.
- Several years of experience in network analysis and monitoring, as well as network management.
- Several years of experience in the secure operation of network gateways (e.g., firewalls, proxies, WireGuard VPN, IPsec).
- Several years of experience building a multi-tier network infrastructure with core and access switches.
- Experience with Linux operating systems (e.g., OpenWrt Linux).
- Experience with containerized applications in a Kubernetes-based cluster environment, including monitoring, troubleshooting, deployment, and ensuring availability and performance.
What we offer
- Contribute to cutting-edge research through a wide range of pioneering flagship projects that advance society and the economy.
- Varied tasks in modern workplaces and state-of-the-art laboratories.
- Interdisciplinary collaboration in a collegial, open-minded team.
- Attractive benefits such as a company pension scheme, salary sacrifice, capital-forming benefits, and a subsidy for a public transport pass.
- 30 days of paid leave per year, in accordance with the collective bargaining agreement and with flexible scheduling.
- A family-friendly work culture with flexible working hours and location.
- Targeted training and development of your professional and personal strengths through the Fraunhofer training program.
- Excellent public transport connections.
- The weekly working hours are 39 hours.
- The position can also be filled on a part-time basis.
- The position is initially fixed-term until 31 August 2029.
- We are looking to build a long-term working relationship.
- Employment, compensation, and benefits are based on the collective agreement for the public sector (TVöD).
- In addition, Fraunhofer may grant variable compensation components based on performance and success.
Benefits
Health, fitness & fun
Work-Life-Integration
Topics you will work on
Job locations
About your employer
The Fraunhofer Society is the largest organization for applied research in Europe. We align our research fields with people's needs: health, safety, communication, mobility, energy and the environment. We are creative and design technology. We design products, improve processes and open up new avenues.
- 250+ Employees
- Established Company
- Onsite, Hybrid, Full Remote
- Science, Research
Employer reviews
- Engineering
- 2.9
- Career growth
- 3.8
- Team culture
- 3.5
- Working conditions
- 4.2
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