java English-speaking jobs in Mainz

Lead global IT strategy for Supply Chain Management & Production. Define roadmaps, manage transformation programs across ERP and logistics platforms, and drive digital innovation. Requires 15+ years in IT/Operations leadership.

Brand Manager Dairy DACH leads the development and strategy for a new brand platform for Volvic, Activia, and others. Requires 3+ years in consumer goods brand management, strong analytical skills, and fluency in German and English.

Experienced Category Manager needed to lead global sourcing strategy for a key electronics commodity in automotive procurement. Responsibilities include negotiating commercial agreements, managing supplier performance, and partnering with R&D. Requires automotive procurement experience and strong negotiation skills.

Freelance lecturers (m/f/d) are sought for university preparation courses in Berlin, starting September 2026. Subjects include English, Mathematics, Computer Science, Natural Sciences, Economics, and German (as a Foreign/Second Language). Applicants should have a relevant university degree, teaching qualification, or equivalent experience.

As a Sales Engineer, you will develop and maintain customer relationships, analyze global markets, and implement sales strategies to drive revenue growth in key markets. You will provide technical expertise on dry vacuum technology and support the global sales organization.

Production Supervisor to lead and develop teams, ensuring timely execution of production programs. Responsibilities include managing workflows using Lean principles and maintaining compliance with quality and safety standards. Requires technical qualification and manufacturing leadership experience.

Technical Project Manager for C&I Solar & BESS. Lead battery storage projects from contract award to commissioning, managing technical aspects, contractors, and grid connections. Requires electrical engineering background and fluent German.

Executive Assistant supporting the VP of the Innovation Center Berlin. Responsibilities include managing schedules, communications, preparing materials, coordinating events, and handling confidential information. Requires a relevant degree and prior EA experience.

Lead business and operational growth for Siemens Advanta in the DACH sub-region. Drive growth through strategic positioning, managing P&L, and leading complex digital transformation projects for major German enterprises.

Configure and enhance Workday's Core HCM module, partnering with stakeholders to translate business needs into system design improvements. Provide guidance to SumUppers using Workday, build reports and dashboards, and contribute to documentation and change management.

Head of Formulation Development & CMC Strategy leads formulation and process development for advanced biologics, including ADCs. This senior role drives CMC strategy, manages global development programs, and leads technical teams.

Experienced Environmental Fate/Modelling Scientist needed for registration activities of plant protection products. Responsibilities include risk assessment, dossier preparation, and data evaluation. Scientific background in related fields is required.

Own the enterprise Disaster Recovery strategy and governance. Conduct BIA, define RTOs/RPOs, and execute DR exercises. Requires 7+ years in IT infrastructure with focus on enterprise DR.

Lead backend and fullstack engineering teams building real-time AI conversation systems at scale. Requires 7+ years as a software engineer and 3+ years leading teams with strong technical credibility.

Strategic VP Head of Metal Robotics to drive global vertical strategy, growth, and innovation. Define business plans, align R&D with customer needs, and lead cross-functional execution. Requires deep industry expertise and 10-15+ years of relevant experience.

Tieto Tech Consulting seeks a motivated and experienced SAP Consultant to join their SAP Finance team in Berlin. The successful candidate will contribute to shaping the future of customer digitalization journeys.

Shapes and advances future-state Business Architecture across multiple initiatives and entities, ensuring alignment with strategic goals. Develops and steers a multi-year transformation roadmap for the EMEA region.

The CTO / Head of Group IT Strategy & Digital Transformation will define and execute the organization's technology and digital transformation strategy across a complex international environment. This role focuses on strategy, governance, organizational transformation, and ensuring technology investments support long-term business objectives.

Supply Chain & Procurement Manager responsible for SME and team leadership in purchasing, planning, production, and inventory management at the manufacturing site. Requires 5+ years in purchasing/planning, SAP experience, and fluency in English and German.

Continuous Improvement Manager needed for a manufacturing site near Düsseldorf. Drive operational excellence strategy, lead process improvements, and provide training on core standards.