69 open roles in Hamburg — curated on baito, at organisations with a clear societal or environmental purpose.

Verwaltungs-Berufsgenossenschaft (VBG)

Leibniz Gemeinschaft

HCU HafenCity Universität Hamburg

Consultancy
Drees und Sommer SE is a partner-led consulting company established in 1970, providing holistic solutions and implementation services across the Real Estate, Infrastructure, and Industry sectors. With over 6,500 employees at more than 70 locations worldwide, the organization is dedicated to creating a sustainable and livable future. Recognized as a pioneer in sustainability and digitalization, Drees und Sommer SE integrates economy, ecology, and functionality into all projects to deliver future-oriented and integrated solutions.

Government
HCU HafenCity Universität Hamburg is a public university in Hamburg, exclusively focused on architecture and metropolitan development. Since its founding in 2006, the institution has acted as an interdisciplinary hub for research and education, bridging engineering, social science, art, and design. With approximately 2,300 students, the HCU is dedicated to developing sustainable solutions for the metropolitan challenges of the 21st century. Its energy-efficient campus in the HafenCity district serves as a tangible model for its commitment to urban sustainability and innovative architecture.

Startup
Apheris is a Berlin-based technology company focused on advancing drug discovery through secure, federated data networks. By enabling pharmaceutical organizations to train and evaluate AI models on proprietary data without compromising privacy, the company supports critical R&D processes. Apheris provides enterprise-grade AI applications, such as the Apheris Gateway and ApherisFold, which allow teams to integrate advanced models directly into existing workflows while maintaining full data sovereignty.

Private Sector
Lehmann Marine GmbH specializes in safe, compact energy storage solutions (ESS) for the marine industry. The organization provides marine batteries, leveraging lithium-ion and LFP technology, to significantly reduce fuel consumption, maintenance costs, and emissions. Their CUBE and AQUBE battery systems are type-approved by major classification societies, demonstrating high safety and operational standards. Headquartered in Seevetal-Hittfeld, Germany, Lehmann Marine GmbH maintains a global presence through its network of offices and agencies, contributing to a lower-emission maritime sector.

Government
The Verwaltungs-Berufsgenossenschaft (VBG) is a German statutory accident insurance institution headquartered in Hamburg. Since its founding in 1885, the organization has supported over one million businesses across more than 100 industries in preventing workplace accidents and occupational diseases. Beyond administrative management, the VBG provides comprehensive services for rehabilitation and health promotion. With a workforce of 501 to 1000 employees, the VBG is committed to family-conscious personnel policies and active workplace integration.

Startup
constellr GmbH is a German-based provider of decision-grade thermal intelligence, specializing in the design and operation of custom satellite systems. The company deploys the "SkyBee" satellite bus to capture precise thermal data, which identifies heat patterns invisible to standard optical and radar sensors. By providing end-to-end mission architecture that spans satellite operations, ground segments, and analytics, constellr enables the tracking of human activity, infrastructure status, and environmental stress.

Private Sector
PAUL Tech AG is a pioneer in the heating transition, focusing on decarbonizing existing residential properties in Germany. Using its AI-driven "PAUL Net Zero" technology, the organization provides green heat as a digital service to reduce CO₂ emissions and make buildings more economical. PAUL takes responsibility for the operation, efficiency, and CO₂ reduction of heating systems, enabling property owners to achieve their climate goals. The technology is developed and manufactured in Ladenburg, Germany. PAUL already manages 160,000 residential units and employs 168 staff members.
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