java English-speaking jobs in Mainz

Experienced HSSE Experts (f/m/d) are needed for a major industrial construction project in Saarland, Germany. Responsibilities include identifying safety risks, conducting site inspections, reviewing documentation, and coordinating contractors.

Field Sales Flow Cytometry Product Specialist needed to grow Beckman Coulter Life Sciences' flow cytometry business in South-West Germany. This home-based role requires building customer relationships, identifying opportunities, and delivering sales targets.

Project Procurement Manager will lead a team, manage procurement duties, and guide the supply chain to become a strategic partner. Responsibilities include leading supplier performance management, implementing procurement strategy, and ensuring timely reporting. Requires 3+ years' experience, negotiation skills, and a third-level qualification.

Production/Engineering internship or thesis for bachelor or master students with 3+ semesters completed in a technical field. Projects include implementing new technologies, analyzing processes, and optimizing material flows. Strong analytical skills, communication, and teamwork are required.

Experienced Delivery Manager needed for complex aeronautics/defense projects in Hamburg. Lead project teams, manage client relationships, and optimize processes. Minimum 5 years project management experience required, fluency in English and German.

Recruitment Intern to support talent acquisition efforts in Germany. Assist with full-cycle recruitment, candidate sourcing, screening, and interview coordination. Strong organizational skills and communication are required. Fluency in German and Mandarin is preferred.

Experienced CSA/Civil Supervisors needed for substation construction projects in Germany. Lead civil, structural, and architectural works, manage site documentation, and ensure safety compliance. Strong construction background and leadership skills required. German language skills are advantageous.

Activity Leader for young learners at an international language school in Berlin. Responsibilities include leading activities, ensuring student safety and wellbeing, and assisting with residential tasks. Must have strong communication skills, be organized, and have a positive attitude.

Qualified electrician with datacenter experience sought for site-based commissioning role in Frankfurt. Lead and execute on-site commissioning, testing, and validation of electrical systems, ensuring full functionality. Collaborate with project teams, diagnose technical issues, and prepare commissioning documentation.

Experienced HR Business Partner to support and drive HR initiatives at site level. Full employee lifecycle ownership, talent development, and HR reporting.

Junior Commercial Lawyer to provide legal support on commercial matters for the DACH and Eastern Europe region. Responsibilities include drafting, reviewing, and negotiating commercial agreements. Requires a law degree, 1-2 years PQE, and fluency in German and English.

Manufacturing Team Lead to lead daily MAP activities in a highly regulated aerospace environment. Responsibilities include managing production priorities, supervising production teams, and ensuring adherence to quality standards and customer requirements. Requires experience in aerospace manufacturing, production planning, and people management.

International Development Instructor for 10-month program. Training in Denmark, followed by 6 months volunteering in Malawi, Zambia, or India. Must be 18+, English proficient, and able to obtain a Danish visa.

Global Supply Chain Planning Solution Specialist to drive worldwide adoption and optimization of Kinaxis Maestro. Collaborate with stakeholders and IT teams to ensure efficient, scalable planning processes aligned with business objectives.

Coordinator to support Production, Procurement & Inventory Management team. Maintain accurate production and inventory data in SAP, assist with monthly closing and stock-taking, and collaborate with internal and external stakeholders.

Senior Medical Writer develops and reviews scientific and medical materials such as manuscripts, abstracts, and congress materials. Requires a PhD in medical, life, or health sciences, or pharmacy, and at least 3 years of experience as a medical writer in the pharmaceutical industry. Must have bilingual German-English proficiency and strong scientific writing skills.

Senior SAP TM Consultant for a large retail company's S/4HANA transformation program. Hands-on configuration and implementation of SAP TM within an S/4HANA landscape. Proven SAP TM implementation experience and S/4HANA project background preferred.

Define, implement, and govern AI strategy for a department, ensuring alignment with client objectives and regulatory requirements. Design AI/ML and GenAI architectures, evaluate platforms, and lead delivery of AI solutions.

Experienced Planning Manager needed to manage strategic and detailed project planning for hyperscale data center developments across Europe. Requires expertise in Primavera P6/Oracle Primavera Cloud, CPM, EVM, and stakeholder coordination.

System Engineer to develop tailored solutions for global air traffic control authorities.