Tech jobs
Job listings
Product Manager, API & Maps
Technical product manager owning the strategy and roadmap for Vaisala Xweather's Weather API, mapping products, SDKs, and developer experience. Works with customers, engineering, and commercial teams on adoption, usage-based pricing, and revenue growth, with a focus on how AI changes API and data consumption.
Graphic Designer
Graphic Designer at EDP (a global renewable-energy company) producing creative assets for digital and offline communication — social media (Instagram, LinkedIn), vector graphics, image editing, presentations and simple animations — while keeping content consistent with the brand's visual identity. Hybrid, full-time role in Lisbon using Adobe Creative Cloud.
Analista de Suporte Técnico Fotovoltaico
On-site photovoltaic technical support analyst at a solar solutions company in Vila Velha, Brazil. Supports integrators and clients via WhatsApp, phone and email, diagnoses solar system faults, helps configure inverters and monitoring platforms, and handles manufacturer warranty processes.
Senior Thermal Systems Engineer
Karman Industries, a Torrance (LA) thermal-hardware startup founded by ex-SpaceX/Rocket Lab/GE engineers, is hiring a Senior Thermal Systems Engineer to design and optimize its HPU zero-water cooling systems for 100kW+ AI data-center racks. Day to day: first-principles system sizing and modeling, PFDs, technical specs, cost estimates, and cross-team collaboration on heat pump and turbomachinery pr
Lead Fluid Systems Engineer
Owns the fluid and process system design of Karman's HPU cooling hardware for AI data centers: developing P&IDs to ISA standards, sizing valves, heat exchangers, vessels and instrumentation, engaging suppliers, and supporting skid fabrication, factory testing, and field commissioning at customer sites.
Staff Embedded Systems Engineer
Designs and qualifies control electronics and power-conversion systems for Karman Industries' Heat Processing Unit, a supercritical CO2 chiller/turbomachinery system that cuts data center thermal energy use. Day-to-day spans LV/MV power conversion, grid-forming and bidirectional controls, SiC power devices, and SIL/HIL platform validation.
Staff Power Electronics Engineer
Karman Industries, a Torrance-based startup building zero-water thermal cooling systems (the HPU) for AI data centers, is hiring a Staff Power Electronics Engineer to design, simulate, and qualify high-voltage (13.8kV+) power conversion and distribution systems, including PCB design, SIL/HIL modeling, and hands-on integration of high-power hardware on product skids.
Usability Engineer (m/w/d) als Elternzeitvertretung bis 01/2029 in Aachen (UX-Designer/in)
SOPTIM AG, which builds software for the energy industry and grid operators, is hiring a Usability Engineer in Aachen as a parental-leave replacement until January 2029. The role runs user research and usability tests, designs wireframes and interactive Figma prototypes, and develops the company-wide design system.
SAP IS-U Inhouse Berater (m/w/d) bei Versorgungsunternehmen im Rhein-Main Gebiet (Anwendungssystemberater/in)
In-house SAP IS-U consultant at a German energy utility in the Rhein-Main area: designs, optimizes and implements SAP IS-U solutions, customizes and programs in ABAP/ABAP-OO on ECC 6.0, models business processes for electricity/gas supply and market communication, and supports future migration to S/4HANA. No travel required.
Senior Softwareentwickler (m/w/d) Rust (Softwareentwickler/in)
Senior Rust developer at SOPTIM in Aachen building and modernizing software for power supply and the energy transition. Day to day: develop new features in Rust, modernize existing systems, shape solution design, and work closely with customers in an agile ~100-person development unit.
Fullstack Entwickler (m/w/d) Schwerpunkt Java (Fullstack-Entwickler/in)
Fullstack Java developer building software for the electricity supply sector in agile customer projects at SOPTIM in Aachen — involved from requirements analysis through design, implementation and testing, plus improving CI/CD pipelines. Bonus skills: C#/.NET and Semantic Web technologies (RDF, SPARQL).
Systemadministrator - Citrix / Cloud / Windows Server (m/w/d) (IT-Systemadministrator/in)
IT system administrator at RMA Rheinau (energy infrastructure/hydrogen component manufacturer) who administers and develops the Citrix environment (Virtual Apps & Desktops, NetScaler), VMware ESX virtualization, and Windows Server/Active Directory, while supporting cloud migration projects and ensuring stable terminal server and remote workplace operations.
Senior DevOps Engineer (m/w/d) Ansible (DevOps Engineer)
Senior DevOps Engineer in Aachen who builds and maintains CI/CD pipelines and build environments, automates configurations and workflows with Ansible, and manages GitLab and Artifactory. Works directly with customers on technical requirements; fluent German and occasional project travel required.
Softwareentwickler (m/w/d) (Softwareentwickler/in)
Builds and operates AI applications and services at a nuclear-technology company in Jülich — spanning generative AI, AI agents, and machine learning — integrating them via APIs and microservices, with secure/offline local deployment and support of the company's AI high-performance computing center.
Senior Software Developer - Integration & Core IT (m/w/d) (Softwareentwickler/in)
Senior developer who builds and runs business-critical Java/Kotlin applications and integration services (REST, OpenAPI, Kafka/RabbitMQ) on Azure and container infrastructure, analyzing and modernizing legacy systems to connect products and core IT. Fluent German required; the role is 100% remote-capable at this smart metering provider.
Systemadministrator* *Geschlecht egal, Hauptsache gut (Informatiker/in)
On-site system administrator at take-e-way GmbH in Hamburg who keeps the company's internal systems stable, secure, and scalable: managing Azure cloud infrastructure with Docker, Kubernetes, and CI/CD pipelines, automating with Python/Bash/PowerShell and tools like Ansible, and administering Windows/Linux servers and Active Directory.