hr English-speaking jobs in Mainz

Develop, optimize, and industrialize manufacturing processes for high-performance composite components. Transfer prototypes into stable pre-series and series production. Collaborate with R&D, quality, and production teams.

Cloud Engineer needed for operation, monitoring, and development of Azure-based cloud services. Building, maintaining, and optimizing CI/CD pipelines. Enhancing cloud architecture, collaborating on technical issues, and supporting customers with cloud deployments. Requires a degree in computer science, business informatics, or a comparable field and technical knowledge in Microsoft Azure, CI/CD pipelines, container technologies, monitoring & logging, and REST APIs. Experience with SAP-related integration scenarios is a plus.

Trade Marketing & Commercial Support professional will analyze market trends, develop trade marketing plans, and manage budgets. The role requires experience in FMCG, project management, and strong communication skills. Fluency in German and English is essential.

Leads global corporate strategy projects, defining and implementing company strategy. Drives strategic planning, identifies growth opportunities, and analyzes market trends. Collaborates with senior leadership and stakeholders to execute strategic initiatives. Requires a master's degree, MBA, or equivalent, and over four years of experience in strategy consulting or corporate strategy.

Support CEO with finance, operations, travel, PR, and sales activities. Manage day-to-day company operations, including HR, finance, admin, and internal processes. Assist with strategic topics like investor relations, board preparation, and hiring decisions.

Junior Sales Manager (m/f/d) needed to manage sales of Petrochemical products in the B2B market. Responsibilities include contract negotiations, customer relationship management, and sales strategy development. Requires a degree in business/economics, chemistry, or a related field, plus one year of sales experience. Excellent communication and teamwork skills are essential.

Software Engineer to build robust software systems for Machine Learning solutions on major cloud platforms. Translate technical solutions based on client needs and design, implement, and deploy production-ready applications.

Coordinate laboratory activities, train lab members, and support ongoing research projects. Develop and lead an independent research project focused on chromatin organization during meiosis in C. elegans.

Provides administrative support to ESO Astronomy Faculty, Students, Fellows, and Visiting Scientists. Organizes colloquia, seminars, and talk series. Assists with travel and accommodation arrangements and supports the Science Visitor Programme. Contributes to the planning and execution of events for Fellows, Students, and Visitors. Prepares budget reports, compiles statistics, and maintains databases.

Junior Operations Securities Manager will own daily reconciliation, settlement, and security transaction processes. Support analysis of corporate action events, communicate with external partners, and assist in developing scalable processes. Requires experience in securities services, brokerage, or asset management and fluency in German and English.

Permanent W3 professorship in Integrative Neurobiology at OVGU and LIN. Successful candidate will establish a new research group focused on experimental and computational neuroscience or neuroengineering. Requires experience leading international research teams, securing funding, and supervising students. Expected to contribute to LIN's interdisciplinary research programs and develop innovative strategies to advance understanding of neural circuits and networks.

Lead and build a consulting team within Cognizant's Manufacturing Consulting practice in DACH. Manage and grow a customer base, develop innovative strategies, and deliver solutions for complex client situations. Requires domain experience in Manufacturing, proven consulting experience, and the ability to manage large complex programs. Fluency in English and German is essential.

Part-time Kitchen Assistant needed to handle ingredient distribution, assist with dishwashing, manage garbage disposal, and maintain kitchen and front-of-house cleanliness. Must have strong communication skills, physical stamina, and a collaborative spirit.

Develops, optimizes, and sustains manufacturing processes for satellite products. Translates designs into production documentation and supports production teams. Applies DFM and DFA principles and collaborates cross-functionally.

The Chief Marketing Officer will lead the development and execution of the Group's global marketing strategy, including demand generation, branding, and product marketing. This role will manage the marketing team, budget, and oversee strategic marketing campaigns. The CMO will work closely with the Executive Committee to ensure alignment on go-to-market strategy and drive top-line revenue growth.

As a Commis de Cuisine at NENI, you will ensure smooth kitchen operations, maintain cleanliness, and contribute to a positive guest experience.

English-speaking Early Childhood Educators are needed for a new Fröbel Kindergarten opening in Berlin-Spandau in July 2026. Responsibilities include supporting all aspects of early childhood education and care in English, planning and implementing pedagogical processes, and collaborating with parents. Applicants must have native-level English, at least B2 German, and a recognized early childhood professional qualification in Berlin.

The CMO Manager manages and oversees contract manufacturing activities with external CMOs, ensuring compliance with quality standards and regulatory requirements.

IT Admin Team Lead will support employees with IT requests, maintain office network and systems, and manage IT projects. Responsibilities include resolving IT faults, onboarding/offboarding employees, managing IT budget, and overseeing IT equipment. Requires 5 years of experience as a Senior IT Admin or 2 years as an IT Team Lead, strong knowledge of hardware/software, and experience with process automation tools.

As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the LNG and crude oil markets. You will use AI tools, Python, and our optimization software to build solutions and interact directly with traders.