organic geochemistry English-speaking jobs in Mülheim

The Sr. Manager Office & Operations will oversee office infrastructure, vendor relationships, and administrative operations. Responsibilities include managing facilities, procuring IT hardware and equipment, and coordinating with external service providers. The role requires several years of experience in office management, facility management, procurement, or a similar field.

Manage and coordinate complex cross-border transaction tax engagements, providing guidance on mandates including tax due diligence and structuring. Develop and oversee tax-efficient planning aligned with client goals. Cultivate strong client relationships and guide junior team members.

Experienced SAP S/4HANA consultant with a focus on Production Planning (PP) needed. Design, implement, and customize production processes. Ensure seamless integration across modules and support Fiori and mobile solutions. Collaborate with cross-functional teams and provide user training.

Senior Technical Manager (f/m/x) Building Retrofit & Decarbonisation is needed to support fund teams in developing net zero implementation plans and identifying decarbonisation prop tech solutions. The role requires experience in delivering net zero carbon, energy efficiency, or building retrofit programs in the EU and experience with energy or building services modeling packages.

Operations Assistant needed for a fast-paced food-tech company. Own daily kitchen operations, logistics, and order flow. Execute under pressure, work with teams, and gradually take on catering and sales responsibilities. Must have a valid EU driver's license (Class B) and fluency in English.

Deliver groceries to customers efficiently by e-scooter or e-bike. Meet and exceed delivery targets while providing exceptional customer service.

As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the LNG and crude oil markets. You will use AI tools, Python, and our optimization software to build solutions and interact directly with traders.

Senior R&D Mechanical Engineer with 10+ years of experience in high precision mechanical design, advanced materials engineering, and design for manufacturability. Leads mechanical design of complex components, serves as materials authority, and applies GD&T and precision engineering principles. Drives collaboration with manufacturing, suppliers, and quality teams. Oversees creation of 3D models, drawings, and documentation. Bachelor's or master's degree in mechanical engineering, Materials Engineering, or related field required.

Software Engineer will design, develop, and deploy production-ready machine learning applications on AWS, Azure, and GCP. Collaborate with cross-functional teams to translate client needs into technical solutions.

Junior Operations Securities Manager will own daily reconciliation, settlement, and security transaction processes. Support analysis of corporate action events, communicate with external partners, and assist in developing scalable processes. Requires experience in securities services, brokerage, or asset management and fluency in German and English.

Support CEO with finance, operations, travel, PR, and sales activities. Manage day-to-day company operations, including HR, finance, admin, and internal processes. Assist with strategic topics like investor relations, board preparation, and hiring decisions.

Assemble food boxes according to specifications. Flexible work in order picking, warehouse, and quality control. Must understand food regulations and have German or English language skills.

Technical Lead for a Quality Control System Project, developing and integrating analytical instruments into a custom automated fluidic system.

Coordinates domestic DE collections and deliveries using Marken drivers and subcontractors. Ensures timely shipment recovery and delivery. Develops relationships with internal and external stakeholders. Provides support for special requirements and reports on transport issues. Arranges shipment receipt and processing. Minimizes subcontractor use while maximizing profit. Flexibility in working hours required.

The Professional Marketing Lead will define, develop, and deploy scientific and professional marketing content for Central Europe. The role connects global professional strategy with local market activations and supports priority launches and initiatives.

Staff Software Test Engineer will plan, manage, and execute test activities for features and projects. Responsibilities include designing test strategies, developing test cases, and collaborating with cross-functional teams. Requires a B.S. in software engineering or related field and 4+ years of software testing experience.

Ensures successful completion of transactions on a B2B battery marketplace. Drives operational execution between buyers, suppliers, and internal teams. Provides ongoing support and guidance to users throughout transactions. Collects user feedback and insights to improve platform development. Collaborates with sales, product, and analytics teams.

English-speaking Early Childhood Educators are needed for a new Fröbel Kindergarten opening in Berlin-Spandau in July 2026. Responsibilities include supporting all aspects of early childhood education and care in English, planning and implementing pedagogical processes, and collaborating with parents. Applicants must have native-level English, at least B2 German, and a recognized early childhood professional qualification in Berlin.

Project Engineer to design, plan, and execute renewable energy projects (solar, wind, hydroelectric). Requires a Master's degree in a relevant field and experience in renewable energy engineering.

Enable in-house AI solutions by providing concepts, templates, and implementations of AI service infrastructure and tooling. Collaborate with ML Engineers to bring AI solutions to production, supporting their review, monitoring, and maintenance.