1,059 Developer Tools jobs
Open tech roles at companies in developer tools and platforms.
IT Administrator - Netzwerktechniker (m/w/d)
IT administrator/network technician role focused on operating and developing network and IT infrastructure for the company and its clients: firewalls, site-to-site VPNs, VLAN segmentation, routing, VMware ESXi virtualization, Linux and Windows servers, Active Directory, and Microsoft 365. The company is an IT/OT consultancy serving SMEs and public-sector organizations, with a path toward OT/cloud/
DevOps Engineer (m/w/d)
As a DevOps Engineer at TRIOLOGY, you will operate and develop Kubernetes clusters, implement GitOps with ArgoCD, manage deployments with Helm, set up monitoring with Prometheus and Grafana, automate CI/CD pipelines with Jenkins and Groovy, manage infrastructure as code with Terraform, containerize applications with Docker, and handle configuration management with Ansible or Puppet, working with v
Site Reliability Engineer - Core Platform (f/m/d)
Site Reliability Engineer on Exoscale's core platform team, designing and maintaining a Linux-based cloud infrastructure ecosystem, PKI/secrets management and security systems, plus automation and orchestration tooling. Core technologies include Linux, Golang, Kubernetes/containers, KVM virtualization, DNS/service discovery and HashiCorp Vault.
Senior Platform & Hardware Applications Engineer (f/m/d)
As a Senior Platform & Hardware Applications Engineer at Black Semiconductor, you will enable customer adoption of graphene-based optical interconnect technology by guiding integration into switches, NICs, and FPGA/ASIC platforms, supporting bring-up and debug, developing reference designs and documentation, and providing pre- and post-sales technical support.
IT-Systemadministration (m/w/d)
IT system administrator managing server, storage, and network infrastructure in the company's data center and at mid-sized client sites in the Rhineland. Core tech: Windows/Linux servers, VMware/Hyper-V, Cisco/Sophos networking, Microsoft 365/Entra ID, Veeam backup, and PowerShell/Bash automation, plus 2nd-level support and project work.
Jira-Confluence Application Support Administrator (f/m/d) (German speaker)
As a remote Atlassian Application Administrator, you will support multiple clients by configuring and customizing Jira, Confluence, and Jira Service Desk, responding to service desk requests, and automating processes to improve efficiency. Core technologies include Atlassian tools and add-ons like ScriptRunner.
Senior System Engineer Microsoft & Citrix (m/w/d) Vollzeit | Hybrid | Frankfurt am Main
Senior System Engineer responsible for building, operating, and optimizing highly available Microsoft server and Citrix virtualization/VDI environments for client projects, from conception through operations, including change management, troubleshooting, and customer consulting.
Cloud Infrastructure Engineer (f/d/m)
Cloud Infrastructure Engineer at Hivemind, building scalable, secure cloud-native platforms end-to-end using Kubernetes, Terraform, and GitOps/CI-CD, with a strong DevOps and Infrastructure-as-Code focus. Fully remote within the EU, working on data engineering, AI systems, and secure infrastructure.
IT Fachinformatiker Systemintegration - Systemtechniker / System Engineer (m/w/d) (Fachinformatiker/in - Systemintegration)
IT system engineer at a German managed-service provider (Systemhaus) serving small and mid-sized businesses. The role covers planning, installing and supporting client IT infrastructure: Windows Server, Microsoft 365/Exchange Online, Hyper-V and Proxmox virtualization, Acronis backups, Sophos/Securepoint firewalls, and networking, with project work from preparation to go-live.
Platform Engineer – Security Operations (m/w/d) (IT-Systemadministrator/in)
Platform Engineer for a German IT security system house's Cyber Security team, owning and operating SOC/SIEM platform infrastructure for customer environments: integrating log sources into the SIEM, implementing detection rules, and building SOAR automation and enrichment/response playbooks in close collaboration with security analysts.
Senior Network Security Engineer (m/w/d) (Netzwerkadministrator/in)
Senior Network Security Engineer at a German IT systems house, responsible for planning and implementing Palo Alto-based security and firewall projects, designing modern network and security architectures (segmentation, Zero Trust), hands-on troubleshooting, and presales support for customers.
System Administrator - Workplace IT (f/m/x)
Hands-on Workplace IT System Administrator at a Berlin-based satellite-analytics company, owning device management, identity & access, SaaS operations, networking, and IT security compliance. Core stack includes a cloud identity provider/MDM, Google Workspace or Microsoft 365, macOS/Linux/Windows endpoints, AWS, and ITSM tooling like Jira Service Management and Confluence.
Senior System Engineer Operational-Service (w/m/d)
Senior system engineer at Bechtle's IT system house, acting as first technical contact for customers and operating their IT infrastructure: administering Windows Server, Active Directory, DNS, DHCP, Entra-ID, virtualization, storage, backup, network and firewall systems, handling changes, maintenance and incident analysis, and taking technical ownership of defined customer environments.
Network & Security Engineer (m/w/d) – Extreme, Fortinet oder Unify
Plan, configure and operate network, security and voice infrastructures for clients in automotive, healthcare, software and mid-sized businesses, focusing on Extreme Networks switching/WLAN, Fortinet firewalls and Unify voice. Day-to-day work covers network projects, security implementation, troubleshooting and UC migration.
(Senior) Frontend Engineer – Cloud Solutions (m/f/d)
Builds and maintains Angular-based front-end applications for Quantum-Systems' cloud platform, creating responsive UI components, writing unit/integration tests, and collaborating with backend engineers on APIs and distributed systems for connected drone/UAS services.
IT-Systemadministrator:in (m/w/d)
System administrator responsible for the secure, privacy-compliant operation of the company's web and application server infrastructure, including automation, monitoring, and cloud environments. Core stack includes Nginx, HAProxy, Puppet, Nagios, Varnish, Kubernetes, and scripting (Python/PowerShell/Shell), supporting a Python/Plone software development team.