1,061 Developer Tools jobs
Open tech roles at companies in developer tools and platforms.
IT-System Engineer / Systemadministrator/in / Fachinformatiker/in in Systemintegration (m/w/d)
IT system engineer/system administrator at a small owner-managed IT system house near Munich, administering Windows Server, Active Directory, Microsoft 365, networks, firewalls, virtualization (Hyper-V/VMware) and backups for client companies, including on-site support and 1st–3rd level troubleshooting.
Systemadministrator (m/w/d)
Systemadministrator at a Hamburg web hosting provider, acting as first-line technical escalation for customer systems: analyzing Linux/Apache/Nginx/mail logs, monitoring the server fleet, and advising customers on server optimization. Core stack: Linux, Postfix/Dovecot, MySQL/MariaDB, virtualization and ICINGA2 monitoring.
Zu sofort: IT-Administrator/in (Kundenbetreuer/in) gesucht (m/w/d) in Vollzeit
IT administrator and client support role at a Wesel-based IT system house (Media8 GmbH), handling customer IT issues via phone, remote support and on-site visits. Day-to-day work covers Windows 11 workstations, Windows Server maintenance and updates, Microsoft 365 administration, networks, backups and cloud tools, with heavy use of AI tools like ChatGPT and Claude for troubleshooting.
IT-Systemadministrator (m/w/d) (IT-Systemadministrator/in)
IT system administrator responsible for operating and maintaining Ubuntu-based server and cluster systems, including staging and live environments, performance monitoring, patching, security configuration, and troubleshooting hardware/software issues. Works alongside administration and DevOps colleagues at a German software vendor for foreign trade, customs, and shipping solutions.
IT Security & Infrastructure Specialist (m/w/d)
Experienced IT security specialist to take technical ownership of security and infrastructure at a growing IT services company: defining security standards, hardening Linux/Windows systems, running vulnerability management and SIEM/detection, and helping build an ISO 27001 ISMS. Core technologies include Linux, Windows, networks, firewalls, VPN, and SIEM.
Senior Systems Engineer Linux (m/w/d)
Senior Systems Engineer responsible for building, operating, and evolving JACOB's Linux-based on-prem and AWS infrastructure, including Kubernetes clusters, Proxmox/Incus, Ceph, databases, and logging. Core technologies include Debian Linux, Kubernetes, Terraform, SaltStack, AWS, MariaDB/PostgreSQL, and Elasticsearch/OpenSearch.
Onsite Projektleiter (m/w/d) – Datacenter
Onsite project manager for data-center construction and security-technology projects at Securitas in Berlin: leads technician teams and subcontractors, plans and coordinates installations, handles commissioning and documentation, and acts as the customer interface on site. Core areas are low-voltage/security electronics (AMAG, Lenel S2, Genetec, Avigilon, Honeywell), IT/network technology, and pro
Platform Engineer (AWS)
Platform Engineer at ai-coustics owning the company's AWS cloud infrastructure end to end: Terraform-managed multi-account setup, EKS/Kubernetes, Aurora Postgres, ElastiCache, CloudFront and Temporal, plus CI/CD pipelines, observability, SOC 2 controls and on-call. Core technologies: AWS, Terraform, Kubernetes/EKS, GitOps, Linux and networking.
Specialist Platform Engineer MS Dynamics 365 & Azure (m/w/d)
Platform engineer maintaining DATEV's Microsoft Dynamics 365 platform on Azure: evolving Azure infrastructure, establishing deployment standards, automating operations, running databases and integration components, and troubleshooting production issues within an Integration & DevOps team.
Senior Platform Engineer MS Dynamics 365 & Azure (m/w/d)
Senior platform engineer responsible for the technical direction, secure operation, and continuous development of DATEV's Microsoft Dynamics 365 integration platform, including Azure infrastructure, deployment standards, automation, and database/integration service reliability.
Senior Network Engineer (w/m/d)
Senior Network Engineer responsible for implementing and operating Fortinet firewall and security infrastructures, deploying and supporting switching and wireless solutions (Cisco Meraki, Aruba, Fortinet, Unifi), advising clients on network architectures, troubleshooting complex network issues, and supporting Azure networking. Requires several years of network engineering and firewall management e
IT-Administrator Linux (m/w/d)
IT-Administrator role focused on Linux system administration, virtualization (Debian, Proxmox), storage (ZFS/Ceph), networking/firewalls (OPNsense, VPN, routing), high-availability services, monitoring, and automation with Ansible, GitOps, and CI/CD. Involves direct customer contact and troubleshooting beyond first-level support.
Senior DevOps Engineer (all genders) (DevOps Engineer)
Senior DevOps Engineer to build and operate the cloud-native Customer Watchlist Screening platform, ensuring reliable, scalable, and secure services. Works across Python/Flask backends, AWS with Terraform, Kubernetes/Helm/Flux/KEDA, and Grafana/Prometheus observability, plus CI/CD automation with GitHub Actions.
Senior DevOps Engineer (all genders)
As a Senior DevOps Engineer, you will build and operate the cloud-native platform behind the Customer Watchlist Screening SaaS, ensuring reliability, scalability, and security. You will work across backend, cloud infrastructure, and operations, using Python, AWS, Terraform, Kubernetes, and CI/CD automation.
Fachinformatiker Systemintegration / IT-Systemadministrator (m/w/d) (Fachinformatiker/in - Systemintegration)
IT system administrator at a small German MSP in Straubing, holistically managing SMB clients' IT: server and network administration, firewalls and IT security, backup/recovery, switches/WLAN, virtualization, email/web security, troubleshooting and migrations. Partly remote by arrangement.
Leiter Business Unit Digital Solutions & Security (m/w/d) (IT-Administrator/in)
Leads the Digital Workplace Services business unit at NetCologne IT Services, managing four team leaders and the wider unit. Responsible for P&L, sales collaboration, and the strategic portfolio covering M365, endpoint security, MDM, Teams telephony, SharePoint, Entra ID, and Workplace as a Service.
IT-Systemadministrator / IT-Techniker (m/w/d) (IT-Administrator/in)
IT system administrator/technician role at an IT system house, responsible for managing servers, storage, networks, and IT security for clients, installing and administering Microsoft server and client systems, and designing Windows network services. Core technologies include Windows Server, VMware/Hyper-V virtualization, networking (LAN/WAN/VLAN/VPN), and optionally Linux.