student English-speaking jobs in Mainz

The Commercial Director will lead the Mass Retail channel strategy in Germany, focusing on Grocery & Discount channels. Responsibilities include channel ownership, customer strategy development, team leadership, P&L management, negotiation excellence, and building strong retailer relationships. The role requires a proven track record of success in sales, strong negotiation skills, strategic planning and execution experience, and people development expertise. Fluency in German and English is required.

Control System Engineer needed for substation control system commissioning, testing, and on-site support. Experience with SCADA, HMI, networks, cybersecurity, and IEC protocols required. Strong problem-solving and communication skills essential. Extensive travel (~160 days/year) is required.

Leads the German logistics team and develops a European logistics concept. Manages international logistics teams, analyzes freight flows, and optimizes warehouse structures. Develops logistics concepts for key accounts, negotiates transport services, and manages customs processes. Requires a logistics degree, experience in international logistics, and fluency in German and English.

Lead and develop AI-powered search and decision support solutions for Thieme's medical products. Own the strategic direction and full lifecycle responsibility for AI-driven search, from keyword search to chat interfaces. Collaborate with product leads and engineering teams to translate user needs into technical roadmaps and solutions. Build and lead a cross-functional development team, driving continuous improvement through data-driven optimization.

Support the development of strategic concepts and products in employer branding, university marketing, leadership, and talent management. Take responsibility for partial projects from planning to implementation. Contribute new ideas and develop tools to optimize global processes.

Application Engineer provides technical support, performs system validation, designs hardware for sensor evaluation kits, and drafts application notes.

Designs, implements, and manages cloud and on-premises infrastructure on Microsoft Azure and Cisco Nexus technologies. Ensures security, scalability, and reliability. Collaborates with support teams and mentors junior engineers.

Experienced recruiter sought to lead key client relationships across Frankfurt and the Benelux region. Deliver high-quality recruitment for senior business support roles and drive growth in new European markets.

Senior Accountant responsible for operative and strategic accounting, monthly reporting, financial statement preparation, audit support, and communication with tax authorities.

The Commercial Director (f/m/d) Pharmacy Channel Germany will shape and execute the Pharmacy channel strategy for Germany, delivering market growth and financial targets. Responsibilities include setting and delivering financial forecasts, managing channel budgets, leading brand activation, and developing talent. The successful candidate will have a proven track record of success in sales, people development, and strong leadership qualities.

Provides HR support across the employee lifecycle, including recruitment, onboarding, and policy guidance. Manages personnel data, coordinates HR projects, and ensures compliance with company policies and regulations. Requires a university degree in a related field and 5-8 years of experience. Strong analytical and communication skills are essential.

Invia Flights Germany, part of the pan-European Invia Group, seeks proactive individuals to contribute to its successful flight portal.

Lead a small e-commerce team (1-3 employees) in developing and implementing the digital sales strategy. Manage the online shop, including product content, pricing, navigation, and UX. Collaborate with cross-functional teams to launch features, promotions, and pricing updates.

Intern in Talent Management & Learning will support the identification and documentation of AI use cases in learning, leadership, and HR. Responsibilities include researching trends, contributing to meetings and workshops, and drafting learning materials.

Provides administrative support to the Human Resources department. Duties include maintaining filing systems, creating correspondence, distributing mail, ordering supplies, answering phones, and assisting with application procedures. Responds to employee and management inquiries regarding company policies and programs. Maintains confidentiality of employee records.

The Preconstruction Sustainability Lead manages sustainability input for bids and tenders, supporting projects during preconstruction services agreements. They provide technical expertise on certifications like BREEAM and LEED, collaborating with stakeholders to achieve sustainable outcomes.

Drive cost transparency and performance steering across German business units. Analyze cost deviations, support performance improvement initiatives, and coordinate budgeting and forecasting processes.

Global Sales Leader to define and execute commercial strategy for a market-leading product group, exceeding sales and profitability targets worldwide. Lead business development, manage customer relationships, and drive the sales pipeline.

Student Assistant to support Curricular Affairs unit with student and instructor communication, project coordination, information resource development, quality assurance, and administrative tasks.

The Commercial Director will accelerate the Pharmacy channel strategy in Germany, delivering market growth for brands and customers. This role requires a leader who can shape and execute the Pharmacy Channel Vision and Strategy, manage channel budgets, lead brand activation, and build relationships with key customers and influencers.