18 mainframe germany English-speaking jobs in Mainz

Location: Germany, Romania or Bulgaria We have a holistic view of the individual needs of our employees

of our Information Technology team near Frankfurt am Main or at any of our industrial sites across Germany ... the data to drive insights and better decision making For more information, please also visit our Germany

Working student (20 hours/week) to support IT projects in Application Management, Platform Management, Network Management, and Data Analysis. Must be enrolled in a German university, preferably in an IT or Management field, with a minimum of 3rd semester completed. Proficiency in English is required.

Location: Germany, Romania or Bulgaria We have a holistic view of the individual needs of our employees

The Regional Delivery Assurance Manager ensures project delivery processes are followed, from risk management in the presales phase to project completion. Responsibilities include executing risk assessments, managing risk mitigation activities, and conducting quality assurance reviews. The role requires 5+ years of experience in SAP project delivery, 3+ years in risk management and quality assurance, strong communication and stakeholder management skills, and fluency in English. Willingness to travel 20-40% is required.

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

tech transfer to validation.Proclinical is seeking a Senior Scientist MSAT to join a dynamic team in Germany

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.

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.

Leads the long-term consumer experience strategy for TA Obesity & Liver Health, defining and embedding a consumer-centric approach. Develops and operationalizes a consumer engagement strategy leveraging data, segmentation, and real-world evidence. Establishes consumer health and consumer goods thinking as a differentiator for Boehringer Ingelheim.

Lead the 'AI Operator & Tooling Strategy' for N26 Marketing, integrating AI tools and automation to accelerate marketing workflows and enhance creative output. Optimize marketing efficiency by analyzing workflows, identifying friction points, and implementing improvements. Develop automated reporting frameworks to track team performance and operational efficiency. Design and deploy scalable processes and custom tooling to ensure consistency across global campaigns. Act as the primary advocate for AI within Growth, developing training frameworks and enablement sessions to empower team members.

Remote within Germany, you’ll travel ~20–50% across EU and Asia to meet partners, run audits, and execute

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.

Senior Legal Officer needed for a client of TechBiz Global. Provides legal advice, drafts contracts, ensures compliance with regulations, and manages legal risks. Requires a law degree, 5+ years of experience, fluency in English, and MiFID II certification.

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.

Outside Sales Executive for Hästens, a global luxury sleep brand. Focus on strategic hunting, identifying and closing high-value accounts independently. Requires proven sales track record, mobility, and stamina. 80% field presence, uncapped commissions, and zero micro-management.

Growth Manager will execute user acquisition campaigns across Meta, TikTok, Google, and emerging platforms. Drive creative testing, analyze data, and collaborate with teams to scale growth strategies. Requires 3+ years of performance marketing experience, strong knowledge of paid social platforms, and experience with Mobile Measurement Partners.

Provides technical expertise and solutions to Aerospace & Defense customers. Analyzes specifications, recommends product configurations, and supports implementation planning. Collaborates with sales, engineering, and product development teams.