java English-speaking jobs in Kassel

Leads sales strategy and business development for advanced mobility technologies in EMEA, targeting automotive OEMs and Tier-1s. Builds and manages a regional sales team, driving revenue growth and customer satisfaction. Requires 15+ years of experience in automotive engineering services sales, a proven track record of landing and expanding large strategic accounts, and strong understanding of the evolving mobility ecosystem.

The Leibniz Institute for Tropospheric Research seeks a Head of the European Center for Aerosol Calibration and Characterization (CAIS-ECAC) and Researcher in Atmospheric Microphysics. The position involves research, strategic management of CAIS-ECAC, ensuring scientific standards for aerosol characterization, and international collaboration.

Experienced Team Lead to head Grid Connections for onshore wind, solar PV, and BESS projects. Plan, design, and realize grid connections, ensuring compliance with regulations and standards. Lead a team of electrical engineers, coordinate with DSOs/TSOs, and oversee the full grid connection process.

Operates and sets Outsert machines for folding processes. Coordinates work processes in the folding area and processes orders. Requires completed vocational training as a bookbinder or machine & plant operator with technical understanding of machinery.

Senior Consultant/Architect with 10+ years of experience in IBM Workload Scheduler (TWS/IWS) or HWA. Designs, implements, and migrates workload automation solutions in hybrid cloud environments.

Leads a team to ensure safe, efficient, and high-quality operations. Oversees projects to streamline processes, optimize productivity, and enhance customer service. Collaborates with management to standardize shift practices.

Electrical Site Engineer needed for large-scale Data Centre and BESS projects in Germany. Provides on-site technical support, coordinates with design teams, and ensures compliance with specifications and safety requirements. Requires a degree in Electrical Engineering, 2-5 years of experience, and fluency in German and English.

International Sales Auditor conducts monthly sales & marketing revisions of PM subsidiaries worldwide. Provides training to new Sales Directors and identifies risks and improvements in subsidiaries. Analyzes sales audits, creates reports, and communicates with project teams. Requires proficiency in Microsoft Office Suite, fluency in English, and strong analytical and communication skills. Experience in direct sales/network marketing is advantageous.

Regional Leadership Facilitator will design and deliver leadership development programs for early- to mid-career employees across EMEA. Facilitates virtual, hybrid, and in-person sessions and collaborates with HR Business Partners and regional leaders. Requires a bachelor's degree, 5+ years of facilitation experience, and excellent English communication skills. Willingness to travel 20-30% of the time.

Global Medical Science Manager needed to translate clinical science and communicate it internally and externally. Collaborate with Regulatory Affairs, R&D, and other departments. Requires a degree in natural sciences, experience in medical science, and strong communication skills.

As Senior Commercial Strategy Analyst, you will transform commercial data into actionable insights for leadership, driving decisions across Sales, GTM, Funnel Optimization, and Customer Success. You will build dashboards, analyze data from CRM, TMS, pricing, and finance systems, and collaborate with stakeholders to improve processes and achieve growth.

Lead and scale credit operations for a fast-growing fintech, building and managing a team of underwriters and KYC specialists. Own day-to-day credit operations, including underwriting and KYC processes, ensuring timely, consistent, and high-quality credit decisions.

Cloud DevOps Engineer will design, implement, and maintain scalable cloud infrastructure on AWS. Responsibilities include managing CI/CD pipelines, monitoring system performance, and collaborating with development teams. Requires a Bachelor's degree in a related field, strong AWS experience, and proficiency in infrastructure-as-code tools and containerization technologies.

Technology Integration Expert will drive technology architecture strategies, collaborate with teams, and analyze technical issues. Requires expert proficiency in Technology Architecture and a minimum of 4 years of relevant experience.

Senior Media Manager for a key client at an international brand agency. Develop and implement media campaigns, analyze results, and collaborate with platform partners. Requires experience in media strategy, planning, and advertising technology. Fluent English and German required.

Clinical Affairs Specialist will provide training to physicians and technicians on ophthalmic surgery devices and equipment across Germany and the EU. Requires 6+ years of clinical experience in the ophthalmic industry, strong communication skills, and fluency in German.

Designs deterministic, mixed-signal FPGA architectures for biorobotic systems, defining sensing, control, and behavior under extreme SWaP constraints.

Supports safety process systems through inspections, accident data analysis, and investigation reports. Develops safety procedures and training programs.

Freelance Project Manager needed for a 12-month project managing the construction of a new Primary Metals Industrial Plant water treatment system. Must have experience leading water treatment projects from planning to start-up, including engineering documentation review. Fluency in German and English required.

Support global project and leadership teams in transformation, strategy implementation, and change management projects. Assist with workshop planning, communication materials, and research for innovative culture transformation formats.