1,062 Developer Tools jobs
Open tech roles at companies in developer tools and platforms.
System Administrator (f/m/d) - Defense Products / 1567
System Administrator on IONOS's Defense Platform Services team, operating and troubleshooting large-scale DDoS mitigation, WAF, Zero Trust and CDN infrastructure across 800+ Linux components. Day-to-day work covers scrubbing platforms, proxy infrastructure, BGP/Flowspec/Anycast routing, automation with Ansible/Puppet/Python, and CI/CD with Docker and Kubernetes.
Senior Antenna System Engineer (m/f/d)
Huawei's Munich research center seeks a Senior Antenna System Engineer to design and prototype next-generation (6G) base station antenna systems, including massive MIMO, using electromagnetic 3D simulation (e.g. CST) and RF measurement, within a multifunctional RAN engineering team.
Platform Engineer (m/w/d)
Platform Engineer building and operating cloud-native API platforms on Kubernetes and Docker, with Infrastructure as Code, CI/CD and GitOps pipelines, and custom platform tooling in Go, Python or Rust. Also owns API gateways, auth concepts, and observability (monitoring, logging, tracing) to improve developer experience.
System Engineer (m/w/d) Open Source Collaboration & Kubernetes
System Engineer at the Leibniz Supercomputing Centre (LRZ) working on the BaySov project to evaluate sovereign open-source alternatives to commercial cloud and collaboration services for Bavarian universities. The role involves technically evaluating groupware/collaboration systems (openDesk, open-Xchange, grommunio), building and operating test/pilot environments, and running containerized applic
Senior Systems Engineer, Public Sector (Germany)
Pre-sales systems engineer supporting Everpure's (Pure Storage) German public sector accounts (federal and state/local government). Owns technical wins: storage architecture (NAS/SAN/Object-S3, NFS/SMB), evaluations and benchmarks, RFP responses, and customer presentations, working alongside account managers and SI partners.
Senior System Engineer / Systemadministrator (m/w/d) Hosting & Serverdienste
Senior IT system administrator in a managed-services team for hosting and server services, administering Linux/Windows servers, virtualizing with VMware/Proxmox, maintaining storage, networks and firewalls, patch/release management and monitoring for large enterprise clients, including on-call rotation.
IT-Systemadministrator (m/w/d) Hosting & Serverdienste
IT system administrator for managed hosting and server services, administering Linux and/or Windows servers, virtualizing with VMware or Proxmox, monitoring systems, and handling patch and release management for large enterprise clients, including on-call rotation.
Senior DevOps / Platform Engineer (m/w/d)
Senior DevOps/Platform Engineer at EWERK DIGITAL, a KRITIS-focused IT services provider in Leipzig. The role involves building, operating and optimizing infrastructure and platform landscapes, automating recurring processes, and running monitoring, backup and storage solutions, with a strong Linux, virtualization/container and automation focus.
System Engineer / Techniker (VoIP / TK‑Anlagen) (m/w/d)
Ascom seeks a System Engineer/Technician (VoIP/telephony systems) to integrate its ICT, mobile workflow, and alarm-management solutions into customers' IT, server, and network infrastructures across Germany. The role involves planning, commissioning, and supporting VoIP/telephony and network deployments, working closely with sales, solution design, and project leads.
System Engineer / Techniker (VoIP / TK‑Anlagen) (m/w/d)
Ascom is hiring a nationwide (Germany) System Engineer / Technician to integrate its ICT, mobile-workflow and alarm-management solutions into customer IT landscapes, covering VoIP/telephony systems, network infrastructure, server installs and software configuration. Core technologies: VoIP, network infrastructure, Windows, and vendor PBX systems (Avaya, Siemens, Alcatel, Innovaphone, Mitel).
Senior Cloud / Kubernetes Platform Engineer (w/m/d)
Senior Cloud/Kubernetes Platform Engineer responsible for operating, stabilizing and evolving a multi-tenant Kubernetes platform, including GitOps with ArgoCD, Helm chart landscapes, observability with Prometheus/Grafana, CI/CD automation, and security/secret management. Core stack: Kubernetes, Helm, ArgoCD, GitLab CI/CD, Docker, Linux, AWS/managed Kubernetes, Bash/Python.
Site Reliability Engineer - Confidential Computing (f/m/d)
Site Reliability Engineer focused on designing and implementing Exoscale's confidential computing product at the hypervisor and OS level, including KVM, kernel/Systemd, eBPF, container runtimes, and secure boot/attestation, plus maintaining large-scale cloud infrastructure and on-call rotation.
System Engineer Network & Security (w/m/d)
Plan, implement and support modern network and security solutions for Bechtle's customers, covering switching, routing, WLAN, firewalling and NAC, plus troubleshooting, migrations and presales technical consulting. Core technologies include Cisco, HPE/Aruba, Juniper, Dell and Fortinet.
IT Fachinformatiker Systemintegration - Monitoring & Patchmanagement (m/w/d) (Fachinformatiker/in - Systemintegration)
IT system administrator (Fachinformatiker Systemintegration) at a German managed-services provider, proactively monitoring client systems, planning and rolling out patches and software packages, closing security gaps, and resolving alerts from the office in Bramsche. Core technologies: Windows client/server, Microsoft 365, networking, IT security, monitoring and patch-management tooling.
IT Fachinformatiker Systemintegration - Monitoring & Patchmanagement (m/w/d)
IT system administrator role at a German managed-services provider, monitoring client systems and handling patch management, software deployment and security updates for small businesses. Core technologies: Windows client/server, Microsoft 365, networking, IT security, monitoring and RMM tools, PowerShell.
IT Service Engineer / DevOps Engineer (w/m/d) - API-Gateway / Integrationsplattform
Operates and supports API-gateway and integration platforms for Bechtle's IT system house, handling 2nd-level support, incident analysis, platform updates, deployments, and CI/CD pipeline development. Core technologies include Kubernetes/OpenShift, GitOps, Infrastructure-as-Code, and monitoring/observability tooling.
IT System Engineer Network & Security Solutions (w/m/d)
IT System Engineer advising customers on network infrastructure (LAN, WAN, security), designing and implementing firewalls, SD-networking and NAC solutions, running health checks, and supporting presales with technical concepts. Core technologies: routing & switching, NGFW, NAC, SD-WAN/SASE, cloud and wireless networking.
Datenbankadministrator (m/w/d)) – PostgreSQL
Erfahrener PostgreSQL-Datenbankadministrator für den Betrieb einer hochverfügbaren Rechenzentrumsinfrastruktur bei einer Bundesbehörde. Schwerpunkt auf Installation, Konfiguration und Administration von PostgreSQL auf Windows Server, Migrationen, HA-/Replikationslösungen, Backup/Restore, Performance-Tuning und 2nd-Level-Support.
Site Reliability Engineer - Compute System & Network (f/m/d)
Site Reliability Engineer at a European cloud infrastructure provider, designing and maintaining the base systems behind the platform: Linux kernels, KVM hypervisor fleets, Layer 3 networking and security filtering, container runtimes, and provisioning/deployment automation, with on-call rotation. Core technologies include Linux, KVM, eBPF, Golang and Python.