7,903 Climate Tech jobs
Open tech roles at companies in climate and energy technology.
Program Manager, Defense Contracts
Hyliion, a clean-power company developing KARNO distributed generators, seeks a Program Manager in Cincinnati, Ohio to lead government and defense programs end to end — from SBIR/BAA proposal writing through contract execution and delivery — coordinating engineering, finance, and supply chain while managing compliance like FAR/DFARS, DCAA audits, PIEE/WAWF, and SAM.gov.
Research Engineer I (Computer Science / Artificial Intelligence / Data Science / Electrical Engineering)
Research Engineer at the Alibaba-NTU ANGEL sustainability lab in Singapore, developing Green AI: LLM and ML algorithms, efficient techniques (PEFT, RAG, prompt engineering, efficient inference), benchmarking experiments, and academic publications. Core stack is Python with PyTorch/TensorFlow and distributed training on large-scale datasets.
Data/ML Engineer — Fusion Time-Series Pipelines & Labelling
At Fusionality, a Lausanne-based startup building the measurement, simulation, and control stack for fusion energy reactors, this Data/ML Engineer turns large messy experimental time-series data into clean labeled datasets and develops ML-assisted labelling and event detection while owning data quality with physicists and control engineers.
CURRICULAR INTERNSHIP - PHOTOVOLTAIC- CONSTRUCTION PROJECT MANAGER - ROME (F/M)
A 6-month curricular internship in Rome with Photosol Energia Italia's Construction/EPC team, supporting ground-mounted photovoltaic projects: engineering studies, permitting, grid connection, site scheduling, and QHSSE follow-up. Suits a final-year engineering student with PVsyst/CAD skills, fluent Italian, and professional English.
Satellit - IT Analyst
IT Analyst in Brussels doing functional analysis on an energy-domain project: facilitating stakeholder workshops, building Python prototypes and analysing datasets, writing functional requirements and test artefacts, coordinating integration/acceptance testing, and monitoring production after release. Core stack: Python, SQL, PySpark, Azure Databricks, Power BI, AWS.



Embedded Software Engineer, Microcontrollers
At Base Power, a startup deploying distributed home batteries to strengthen the grid, you'll write bare-metal/RTOS microcontroller firmware (C/C++) controlling batteries, inverters, and disconnects — control logic, drivers/BSP-HAL, CAN communications, and new-board bring-up — working in-person in Austin, TX alongside hardware and power electronics engineers.
Prozessmanager_in (w/m/d) Information Security
A process manager in Next Kraftwerke's Enterprise Technology Management unit in Cologne captures, models, and documents business processes in ARIS, builds a continuous process improvement framework, and acts as the interface to Information Security, Risk, and Business Continuity Management. Core tools: ARIS/BPM, Lean, Six Sigma.
Business Analyst (m/w/d)
An experienced Business Analyst (32-40 hrs/week) in Amsterdam who develops business cases, manages and prioritises requirements, and tracks benefits for digital initiatives in an asset-intensive (energy) environment, aligning business value, scope, costs, and delivery across business, IT, engineering, and finance stakeholders.
Data Engineer II
Builds and maintains data pipelines, automates workflows, and improves system reliability for real-time power market analytics using C#, SQL Server, and Azure.
HSE Specialist - Nightshift
HSE Specialist ensures workplace safety at a manufacturing facility by enforcing regulations, conducting inspections, and training staff during night shifts.
Senior Product Manager - 12 Month FTC
Senior Product Manager on a 12-month fixed-term contract at OVO Energy, owning product vision and roadmap for the AER Pod (customer onboarding and green-energy propositions like EV charging and smart tariffs). Hybrid hub-based role in Bristol, Glasgow, or London, paying £58k–£90k plus 15% bonus. No visa sponsorship offered.
Head of Cyber Security
Senior cyber security leadership role at UKAEA (UK's fusion energy lab): set the organisation-wide cyber strategy, governance and enterprise risk approach, and lead a multidisciplinary security function spanning enterprise IT, scientific computing and operational technology. Requires heavyweight enterprise security leadership experience and UK Security Clearance.
Enterprise Data Architect
Designs enterprise data models and shared definitions to align business concepts across Ashley Furniture’s Smart Factories, enabling trusted AI and analytics.

Staff or Senior Firmware Engineer
Develop firmware for IoT devices and gateways that collect real-time sensor data for fleet and industrial monitoring, using C, Go, and embedded Linux.

Staff Software Engineer
Build AI-powered software that turns IoT sensor data into safety and efficiency tools for industries like transportation, construction, and manufacturing.
Senior Software Engineer – IoT & Energy Systems 100%
Senior Software Engineer at Sontex SA, a Swiss manufacturer of thermal energy metering systems, to build and maintain Windows/Android configuration apps (optical/NFC interfaces) and a radio reading platform for remote metering infrastructure, covering the full software lifecycle with Java, Kotlin/Android and IoT protocols.