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1,089 Developer Tools jobs

Open tech roles at companies in developer tools and platforms.

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edel.fa.us2.oraclecloud.com/cx_2001

IT Network Specialist

Fortinet is hiring an IT Network Specialist for its EMEA IT Network Team, based in Frankfurt, to design, deploy, configure and troubleshoot network and security solutions (firewalls, IPsec, IDS/IPS, L2 switching, OSPF/BGP) across the region, including incident support and ITIL-based maintenance.

BGP Firewall Fortinet IPsec ITIL +2 skills

IT-Systemadministrator mit Schwerpunkt Netzwerktechnik & Firewalls (m/w/d)

IT system administrator focused on network infrastructure and firewalls for a German IT system house. You design, build, and operate client networks (routing, switching, VLANs, VPN, Zero Trust), administer next-gen firewalls and security gateways, and handle on-site and remote support.

DHCP DNS Firewall TCP/IP VLAN +4 skills

(Senior) Cloud Platform Engineer (all levels and genders)

HybridEuropeSenior

As a Cloud Platform Engineer at celver AG, you will design and implement scalable, highly available cloud solutions on Azure and AWS, automate infrastructure with Terraform and CI/CD, develop backend services and APIs in Python or Go, manage container platforms like Kubernetes, and act as a technical consultant for clients. Core technologies include Azure, AWS, Terraform, Python/Go, Docker, Kubern

API Api Design AWS Azure Bash +15 skills

System Engineer Managed Service (w/m/d)

As a System Engineer in the 2nd-level datacenter, you ensure the optimal operation of IT infrastructure for mid-sized clients under managed-service contracts and projects, implementing on-premise, hybrid, and cloud solutions. Core technologies include Windows and virtualized environments, with Microsoft certifications valued.

IT Support Spezialist 2nd Level - EDI & Cloud (m/w/d)

Second-level IT support specialist handling complex technical tickets, diagnosing recurring issues in digital business processes and cloud services, and analyzing/fixing EDI data transmission errors between systems and partners. Advises on communication protocols (AS2, OFTP2, SFTP, HTTP) and works with 3rd-level support and external providers.

Cloud Dart EDI Groovy Java +1 skills

IT-Supporter (m/w/d) - Hybrid (vor Ort & remote)

EuropeFull-time

itelio is an IT service provider serving mid-sized companies and public institutions. As an IT Supporter, you act as the first point of contact for client IT departments, handling 2nd-level technical support requests via phone, email, and ticketing, analyzing and resolving Windows and Microsoft 365 issues, advising on standard software, network access, and user administration, and installing and m

ip-dynamics-gmbh

Cloud Platform Engineer (m/w/d)

Als Cloud Platform Engineer baust und betreibst du eine selbst gehostete, cloud-native Kubernetes-Plattform (SUSE-Stack, RKE2, Harvester) für geschäftskritische SaaS-Anwendungen. Du automatisierst mit GitOps (ArgoCD, Fleet) und Infrastructure as Code (Ansible, Terraform) und gestaltest Mandantenkonzepte sowie Hochverfügbarkeit.

Ansible Argo CD CI/CD Cloud Cloud Native +9 skills

CraftingIT GmbH

Senior DevOps Engineer (w|m|d)

HybridEuropePart-timeSenior

Senior DevOps Engineer to lead a DevOps team within a Managed Services offering, designing and improving CI/CD pipelines, automating build/test/deploy processes, and driving cloud architecture for clients. Core tools include Git, Azure DevOps, Atlassian (Bitbucket, Bamboo), GitHub, GitLab, Terraform/Pulumi, and AWS/Azure/GCP with Kubernetes/Docker.

Agile Atlassian AWS Azure Azure DevOps +12 skills

CraftingIT GmbH

Cloud & DevOps Engineer Managed Service (w|m|d)

HybridEuropePart-time

Cloud & DevOps Engineer in a managed-services team, responsible for designing and improving CI/CD pipelines, automating and monitoring customer cloud workloads, building IaC configuration templates, and integrating applications across cloud and on-premises environments. Core technologies include Git, Azure DevOps/Atlassian/GitHub/GitLab, Terraform or Pulumi, AWS/Azure/GCP, and Kubernetes/container

Agile Atlassian AWS Azure Azure DevOps +12 skills

BridgingIT GmbH

DevOps Coach & Tool Integration Expert (w|m|d)

HybridEuropePart-time

Consulting role advising clients on adopting agile methods, DevOps mindsets, and tooling: running DevOps workshops and trainings, helping select and implement DevOps/automation tools, and standardizing IT processes. Core areas are CI/CD, configuration management, agile/project management methods, and optionally cloud platforms (AWS, Azure, GCP).

AWS Azure CI/CD Cloud DevOps +1 skills

VoIP System Engineer (m/w/d)

As a VoIP System Engineer, you maintain, optimize, and migrate customer 3CX IP telephony systems for SMB and enterprise clients, working independently with high self-responsibility. Core technologies: 3CX, VoIP, IT integration, and cloud solutions.

Cloud Microsoft 365 VoIP

IT System Engineer (m/w/d)

IT System Engineer at aconitas GmbH, an IT service provider, responsible for supporting existing customers' IT infrastructure, implementing Microsoft cloud technologies, and planning migration projects. Core technologies include Windows client/server, networking (switching, routing, firewalls, DHCP, DNS), Active Directory, and group policies.

Active Directory Cloud DHCP DNS Firewall +2 skills

codeculture GmbH

IT-Administrator (m/w/d)

IT administrator responsible for the internal IT infrastructure at a German software development company: building and maintaining CI/CD pipelines, monitoring system performance, managing networks and firewalls, implementing infrastructure as code with Terraform, Ansible, Docker and Kubernetes, and handling user access and security policies.

Ansible AWS Azure CI/CD Cloud +11 skills

Kramer Crew Gmbh Co Kg

Systemadministrator Linux (m/w/d)

Als Systemadministrator Linux betreust du in Kundenprojekten Linux-Infrastrukturen (SUSE Linux, Red Hat Enterprise Linux), automatisierst Betriebsaufgaben mit Ansible, integrierst Container-Technologien wie Docker, Podman und Kubernetes, führst Performanceanalysen durch und leistest 2nd/3rd-Level-Support inklusive Sicherheitsupdates und Upgrades.

Ansible Docker Infrastructure as Code Kubernetes Linux +1 skills

Kramer Crew Gmbh Co Kg

Systemadministrator Linux (m/w/d)

RemoteEuropeFull-timeJunior

Administers Linux systems (SUSE or Red Hat) for clients, automates operations with Ansible, supports container environments (Docker, Podman, Kubernetes), performs performance analysis, troubleshooting, and system upgrades, and advises clients on Linux IT security.

Ansible Docker Infrastructure as Code Kubernetes Linux +2 skills

Fachinformatiker für Netzwerktechnik (m/w/d) (Netzwerkadministrator/in)

Als Fachinformatiker für Netzwerktechnik betreust du Server-, Storage-, Netzwerk- und IT-Security-Umgebungen mittelständischer Kunden, installierst und administrierst Microsoft-Server und -Clients, konzipierst Windows-Netzwerke und berätst Kunden zu Managed Services. Kernbereiche sind LAN/WAN/VLAN/VPN, Firewalls, Switches und Windows-Administration.

Firewall Linux VLAN VPN WAN

teccle group GmbH

System Engineer (all genders) – Microsoft Server & Azure

System Engineer designing, migrating and operating Microsoft Server and Azure cloud/hybrid infrastructures for mid-market clients, including monitoring, troubleshooting and customer project delivery.

Azure Cloud Microsoft 365

Systems Engineer

On-siteAPAC, EuropeContract

Systems Engineer with an automotive ADAS/autonomous-driving background who owns the full systems-engineering workflow — requirements management, safety concepts, and V&V strategy — for active-safety functions, using Applied Intuition's simulation and data tools to track KPIs toward series release.

Proact Deutschland GmbH

(Senior) System Engineer – Microsoft & Modern Workplace (m/w/d)

EuropeFull-timeSenior

Provides 2nd/3rd-level support and operations for Microsoft-based infrastructures and Modern Workplace environments, handling incidents, standard changes, and maintenance of Windows Server, Active Directory, Exchange/SQL, and Microsoft cloud services (M365, Azure, AVD).

Active Directory Azure Cloud Microsoft 365 PowerShell +3 skills

Proact Deutschland GmbH

(Senior) System Engineer – Microsoft & Modern Workplace (m/w/d)

RemoteEuropeFull-timeSenior

Senior system engineer providing 2nd/3rd-level support and operations for Microsoft-based infrastructures and Modern Workplace, including Windows Server, Active Directory, Exchange/SQL, and M365/Azure/AVD. Handles incidents, standard changes, patching, and maintenance, with on-call duty.

Active Directory Azure Cloud Information Architecture Microsoft 365 +4 skills