CareerPlan

Senior Netzwerkspezialist - Schwerpunkt Linux (all genders)

Erfurt, THUERINGENFull-time2026-10-22 → 2026-11-12

Core

Planning, operating, and developing LAN, WAN, and firewall infrastructures for IT and quantum fiber-optic testbeds, including Linux network administration and security concept development.

Role type

Senior Network Specialist (Linux focus)

Builds

Quantum-secured communication networks (QKD) and fiber-optic infrastructure for national and international quantum research projects.

Domain

Quantum Photonics / Network Infrastructure

Required skills

Linux network administration, LAN/WAN/Firewall infrastructure management, 2nd/3rd-level support, vendor management, network architecture design, security concept development

Preferred skills

Linux network stack (TCP/UDP, IPv4, IPv6, eBPF), routing protocols (BGP, Babel, OSPF), load balancing, secure network transitions (Firewall, Proxies, Wireguard VPN, IPSec), multi-tier network infrastructure (Core/Access Switches), OpenWrt Linux, Kubernetes cluster management, scripting (Shell, Python)

Technologies

Linux, OpenWrt, Kubernetes, Wireguard, IPSec, BGP, OSPF, eBPF

Responsibilities

Plan, operate, and document LAN/WAN/firewall infrastructure; Administer Linux network systems; Develop fiber-optic infrastructure and testbeds; Analyze and resolve complex network issues; Contribute to IT strategy and technical standards; Manage external service providers and manufacturers

Seniority

Senior, hands-on IC