1,061 Developer Tools jobs
Open tech roles at companies in developer tools and platforms.
IT-Administrator / System Engineer (m/w/d) (Fachinformatiker/in - Systemintegration)
IT administrator/system engineer managing and developing customers' Windows server and client environments, Microsoft 365, Entra ID, networking, virtualization and backup/security solutions, including 1st/2nd-level support and migrations. Core technologies: Windows Server, Microsoft 365, Entra ID, Intune, Hyper-V/Proxmox, networking (VLAN/VPN/firewalls).
Senior Cyber Security Engineer (w/m/d) Cloud
Senior security engineer at IONOS driving a Secure SDLC alongside dev teams: threat modeling, architecture reviews, IAM and crypto standards, vulnerability/pentest management, and automating compliance evidence in CI/CD pipelines across Linux and cloud infrastructure.
T2/T3 Kubernetes/ DevOps Engineer with Go Skills for Sovereign Cloud Onsite / ApeiroRA (m/f/d)
Builds and operates enterprise-scale Kubernetes-based cloud infrastructure for SAP's sovereign, privacy-first AI cloud for Europe. Day-to-day work involves Go, OpenStack, Kubernetes, Terraform, Helm/Kustomize, CI/CD automation, and observability tooling (Prometheus, Grafana, Loki) across multi-region deployments.
System Administrator (Web Hosting)
System Administrator responsible for administering Linux and Windows servers, web applications, and databases, including Docker and Ansible automation, monitoring, and 1st-3rd level support. Core technologies include Linux/Windows, web servers, databases (Oracle, MySQL, PostgreSQL, MSSQL), Docker, Ansible, and cloud platforms.
Partner Systems Engineer
As a Partner Systems Engineer at Cisco in Germany, you will act as a technical advisor to channel partners, designing multi-architecture solutions across Cisco's portfolio (focusing on Secure Networking, Collaboration, and AI-ready infrastructure), enabling partner technical teams, and driving partner-led bookings through workshops, demos, and competitive positioning.
Specialist Platform Engineering PaaS (m/w/d)
Builds and operates DATEV's Platform-as-a-Service offering, largely on Kubernetes, with integrated security, governance, and lifecycle management. Automates infrastructure, configuration, and policy as code with GitOps, and develops APIs, CLI tools, and service catalogs for developer self-service.
Systemadministrator / System Engineer im Microsoft-Umfeld (m/w/d)
System administrator/engineer role focused on administering and operating Windows Server and Microsoft infrastructures, supporting Microsoft 365 and Azure, implementing security hardening, and advising customers on technical issues. Core technologies include Windows Server, Active Directory, DNS, DHCP, Microsoft 365, and Azure.
IT Consultant - Microsoft 365 / Hybride Cloud (m/w/d) (Cloud-Consultant)
IT consultant role at a German system house (InterConnect) planning and implementing Microsoft infrastructure projects — Windows Server, Active Directory, Exchange, Microsoft 365 migrations (Exchange Online, Teams, SharePoint, OneDrive), hybrid cloud and IaaS solutions — while advising clients technically and strategically.
IT System Engineer Network & Security (m/w/d) (IT-Sicherheitskoordinator/in)
IT System Engineer Network & Security responsible for operating and developing network infrastructure, implementing security solutions such as Zero Trust and SIEM, automating network configuration, monitoring and reporting, patch management, and troubleshooting router, switch and firewall systems at a high-security data center operator in Karlsruhe.
Senior Systemadministrator (w/m/d) in Halberstadt (Informatiker/in)
Senior system administrator at TELCAT MULTICOM's IT technology center in Halberstadt, responsible for installing, commissioning and monitoring complex LAN/WAN/WLAN network components and server infrastructures for customers, plus system integration planning, troubleshooting and operational optimization. Core technologies include Microsoft (AD, Azure, M365, Exchange), VMware/Hyper-V virtualization,
Senior Platform Engineer - Kubernetes & GitOps (m/f/d)
As a Senior Platform Engineer / Site Reliability Engineer on the Cloud Store team, you build and operate the framework for packaging and deploying software on an on-prem cloud platform (OPCP). You drive Kubernetes and GitOps workflows (e.g., FluxCD), manage infrastructure as code with Ansible and Terraform, and support team onboarding, all in a security-oriented, highly automated environment.
DevOps / Platform Engineer — Scientific Computing
Own build, CI/CD, and infrastructure for scientific software deployed in cloud, on-premise, restricted, and air-gapped environments. The role combines Kubernetes/GitOps platform engineering with shipping updatable software into customer-controlled sites, plus security and governance.
Network Engineer
Hands-on network engineer in Ciena's Services organization, delivering optical/IP network solutions and post-sales technical support: remote deployment, migrations, acceptance testing, and escalation support. Core technologies span Layer 0/1 (SDH, DWDM, ROADM, control plane), Layer 2-3 IP protocols, and scripting/DevOps (Python, Java, Ansible).
Senior Platform Engineer - Kubernetes & GitOps (m/w/d)
As a Senior Platform Engineer, you will build and operate a framework for automated deployments on an on-premise cloud platform, focusing on Kubernetes, GitOps (FluxCD), and Infrastructure as Code with Ansible and Terraform. You will also handle onboarding of teams, on-call rotation, and ensure security and high automation.
(Senior) Cloud & DevOps Engineer (m/w/d)
As a Cloud & DevOps Engineer at HiQ, you will design and implement modern cloud solutions for client projects, from lift-and-shift migrations to operating global microservice landscapes. You will work with CI/CD, containerization, orchestration, Infrastructure as Code, and cloud platforms like Azure, AWS, and GCP, while also supporting sales and acting as a technical expert for clients.