sustainability English-speaking jobs in Essen

Build and launch business tools end-to-end using AI-native tools. Own the full launch process, from concept to live URL, and iterate based on usage data. Must have a live portfolio demonstrating your ability to ship quickly.

Research Associate (m/f/d) in the field of “Integrated photonic resonators for molecular sensing”. The position involves experimental work on the development of photonic resonator cavities for molecular sensing, including exploring multi-signal approaches. Collaboration with specialists in optics, microelectronic design, clean-room processing, and advanced micro/nano metrology is required.

Experienced Customer Service Representative needed to provide exceptional support and drive sales for a growing international company. Responsibilities include managing customer interactions, preparing quotes, processing orders, and collaborating with internal teams. Requires 5+ years of experience in a commercial or customer service role, technical aptitude, and fluency in German and English.

Develop and validate cleaning processes for semiconductor components. Conduct surface analyses and drive root cause investigations for contamination issues. Lead supplier qualification and audits.

Serves as medical lead for clinical trials and development programs, guiding clinical development strategy and ensuring scientific integrity. Collaborates with clinical research teams and provides medical input for various trial documents.

The Chief Product and Technology Officer leads product strategy, portfolio management, and roadmap decisions for a DeFi ecosystem. This role defines product direction, ensures product quality, and guides technology choices to support product strategy and delivery goals.

Development and testing of audio signal processing systems, including implementation, verification, and documentation of low-power real-time algorithms.

Experienced General Counsel needed for a growing multi-entity business. You will manage all legal aspects of the organization, including corporate operations, investments, and cross-border structuring. Must have a JD from an accredited law school, be barred in at least one U.S. jurisdiction, and have 5-10 years of legal experience.

As an CO process expert, you will consult on and implement CO template processes, supporting adjacent areas like quality, development, production, and logistics. You will lead the system relocation from SAP R3 to S4/HANA systems for Bosch Home Comfort Group legal entities.

Leads strategic engagement with medical societies and alliances, driving co-creation initiatives and ensuring compliant execution to advance GSK's priorities in specialty care. Collaborates across the organization to shape GSK's presence in the specialty care community.

Leads and structures the Internal Audit (IA) team, defining the IA charter, audit strategy, and methodology. Manages the global IA budget and oversees audits covering financial reporting, IT general controls, and MAR/disclosure controls. Ensures timely issue remediation and drives a culture of accountability and continuous improvement.

Freelance Project Manager needed for large-scale solar PV and BESS projects in Germany and Europe. Manage project delivery from construction to commissioning, coordinating workstreams, subcontractors, and documentation.

Principal Consultant to set up and govern Focused Build methodology, align delivery with SAP Activate and Agile principles, and manage requirements in Solution Manager.

The CFO Switzerland will architect and optimize financial technology, drive process reengineering, and lead a team of accounting professionals. Responsibilities include building and scaling a high-performing team, delivering financial reporting, and supporting strategic decision-making. The ideal candidate has a proven track record of automating and scaling finance operations in fast-growing environments.

Architect the brand strategy for a pet technology product. Full-stack marketing responsibility including GTM strategy, brand positioning, growth, content, community, and partnerships. Proven track record scaling B2C products with 4+ years of experience, at least 2 in a startup environment.

Senior Legal Counsel needed for a full-time, indefinite term position at Entrix. Responsibilities include drafting and negotiating commercial agreements, providing guidance on corporate governance and regulatory matters, and building legal processes. Must be a fully qualified lawyer in Germany with 6+ years of experience, ideally in energy or tech. Fluency in English and German is required.

Develops the "Digital Products" domain according to the Area Consulting CoE Products & Digital Solutions and Corporate IT Strategy. Acts as advisor, guiding business units through ideation, process optimization, and technology scouting. Ensures adherence to the Enterprise Architecture Management (EAM) framework within Liebherr-IT Services GmbH and the entire Liebherr Group.

Design, implement, and optimize SAP S/4HANA FI/CO solutions based on business requirements. Configure and customize the SAP FI/CO module, develop specifications, and support cutover, go-live, and hypercare. Collaborate with stakeholders and technical teams to deliver solutions and act as a liaison.

Solution Consultant for Finance & Controlling Applications/SAP FI needed. Minimum 3-5 years experience in SAP, especially SAP-FI (ECC, S/4 HANA). Experience in consulting, requirement analysis, and international finance processes required. Degree in business administration, international management, business informatics, or similar.

Senior Networking Consultant for HPC and AI platforms will design tailored technology solutions for customers in Germany and across Europe. The role requires deep knowledge of HPC networking architectures, including InfiniBand, high-speed Ethernet, RDMA, and advanced networking topologies. The consultant will collaborate with sales teams, presales, and external partners to identify customer needs, design solutions, and support the sales process. High proficiency in German and English is required.