17 mainframe germany English-speaking jobs in Mainz

About J&T Express Germany J&T Express is a fast-growing global logistics company with a strong focus ... With operations across multiple countries, we are currently expanding our network throughout Germany. ... with strong last-mile logistics experience to help build and optimize our operational network across Germany

IT Product Manager to support product delivery, system optimization, and operational excellence across logistics and business operations.

KGaA is headquartered in Mainz, Germany and listed on the Frankfurt Stock Exchange as part of the MDAX

KGaA is headquartered in Mainz, Germany and listed on the Frankfurt Stock Exchange as part of the SDAX

KGaA is headquartered in Mainz, Germany and listed on the Frankfurt Stock Exchange as part of the SDAX

Senior Engineer for Optical Design will develop software tools for optical design and analysis. Prototype waveguide and component concepts, design DOEs, and analyze experiments. Requires MS in Optical Engineering or related field, strong Python programming skills, and proficiency with optical simulation tools. Experience with Monte Carlo tolerancing, sensitivity studies, and optical component manufacturing is preferred.

Develop and integrate ERP/CRM solutions (Dynamics/Microsoft Business Central), focusing on containerized applications and COTS product integration. Analyze business requirements, design custom modules, and ensure code quality through reviews and testing.

Location: Germany, Romania or Bulgaria What makes us special: We have a holistic view of the

Location: Germany, Romania or Bulgaria What makes us special: We have a holistic view of the

Designs, builds, and deploys production-ready AI solutions, integrating AI into existing business systems and optimizing performance. Collaborates with clients to understand processes, identify automation opportunities, and drive AI-led change. Builds AI prototypes, demonstrates capabilities to prospective clients, and assesses client AI readiness. Requires 2+ years of experience implementing AI/ML systems, strong Python skills, and a portfolio of deployed AI/ML systems. Fluent English required.

The Regional Delivery Assurance Manager will implement and execute delivery assurance processes for selected consulting projects, including risk reviews, risk assessments, and quality assurance reviews. The role also involves financial monitoring, escalation management, and supporting process improvement initiatives.

Senior Legal Officer needed for a client of TechBiz Global. Responsibilities include ensuring legal compliance, providing legal advice, drafting contracts, and managing legal risks. Requires a law degree, 5+ years of experience in a relevant field, fluency in English, and Russian language skills are advantageous.

Senior Engineer Optical Coating - Augmented Reality will design, simulate, and optimize optical coatings for AR waveguides. The role involves collaborating with optical designers, leading development projects, and supporting production scale-up. Requires 7+ years of experience in thin film optical coating development and proficiency with coating design and simulation tools.

Doctoral Researcher (Prae-Doc) to join the FWF ASTRA project RE-SECURE – Remaking Security: Technopolitics in the Global East. Develop a dissertation project within the framework of RE-SECURE and contribute to collaborative research. Responsibilities include conducting qualitative empirical research, contributing to comparative and conceptual work, and publishing research results.

Postdoctoral Researcher (Post-Doc) to lead a case study on cybersecurity in Estonia, examining the evolution of Cold War cybernetic expertise in the context of post-socialist security transformation.

EIT Water seeks its inaugural Chief Executive Officer to lead the organization through its start-up phase and long-term growth. The CEO will be responsible for strategic leadership, operational excellence, financial sustainability, and stakeholder engagement, ensuring measurable impact aligned with the European Institute of Innovation and Technology (EIT) and EU policy objectives.

Drive strategic business development for high-performance glass applications worldwide. Conduct market analyses, develop business cases and go-to-market strategies. Lead cross-functional projects and monitor progress using KPIs.