student English-speaking jobs in Gelsenkirchen

Operate, maintain, and improve enterprise PKI services. Design and implement PKI solutions to support encryption and cryptographic services. Ensure PKI systems comply with security policies and best practices.

Sales Account Manager will develop and execute strategic digital advertising solutions for medium to large advertisers. This role leverages Amazon's data and insights to drive customer success and achieve revenue goals.

We are seeking ambitious entrepreneurs to build and scale DeepTech startups. You will own and operate your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

The Customer Success Specialist will drive product availability through data-driven insights, cross-functional collaboration, and proactive supply chain management. Responsibilities include monitoring back-order and planning reports, analyzing supply chain data, and collaborating with stakeholders to ensure accurate forecasting and optimal stock levels. The role requires a Bachelor's degree, 1-2 years of experience in a similar role, and proficiency in SAP and Microsoft Excel.

Processes change orders for product, process, and system designs. Reviews and analyzes change data, coordinates with stakeholders, and prepares change management reports. Ensures customer requirements are implemented while maintaining compliance with policies, procedures, regulations, and standards.

Lead Developer Engineer will design and implement a cloud-native, multi-tenant, secure asset monitoring platform for distributed fiber optic sensing solutions. You will build robust platform components, data models, interfaces, and APIs. You will evolve the application platform architecture to support field applications.

As a Customer Engineer, you will collaborate with customers to install, maintain, and upgrade equipment. Responsibilities include troubleshooting, performing preventative and corrective maintenance on various systems, and communicating with customers.

Student (m/f/d) sought for reception position at a hostel. Responsibilities include guest check-in/out, answering inquiries, providing information, preparing drinks/snacks, and maintaining cleanliness. Must be a registered student with a valid enrollment certificate, demonstrate strong communication skills, and have B2 level German and English.

Support the Audi Engineering Department in process allocation, completion, and improvement. Create documentation and presentations. Analyze workflows, conduct interviews, and explore AI tool applications.

Deliver groceries to customers efficiently by e-scooter or e-bike. Meet and exceed delivery targets while providing exceptional customer service.

Execute KJUS sales strategy across ski, golf, and lifestyle categories in Central and Southern Germany, focusing on wholesale and B2B channels. Drive sales growth, manage budgets, and strengthen brand presence.

Lead the transformation of BRITA Professional Filter towards connected, data-driven solutions. Define a vision for digital & connected solutions, translate strategy into a roadmap, and drive execution across markets, functions, and teams.

Freelance lecturer to teach business ethics, corporate governance, ethical leadership, and compliance management. Design courses using provided materials and conduct on-site teaching sessions. Requires a university degree in a related field, practical work experience, and C1 English proficiency.

\n \nPOSTE \nFor one of our clients, a European Institution located in Luxembourg Kirchberg, Sofitex Talent is currently looking for an: Human Resources - Administrative Assistant for the medical services (M/F) Check against OHS records that EIBG travellers had received a travel clearance from OHS where required based on regular reports provided by the CFC travel team.

International Key Account Manager will manage and develop multi-national partnerships, lead commercial discussions and negotiations, and identify new business opportunities across Europe.

Leads the development and delivery of Financial & Professional Business Services (FPBS) for the Department for Business and Trade (DBT) in Germany. Manages a small team, conducts market analysis, builds networks, and represents DBT at industry events. Provides expert advice to UK businesses and investors on market entry and growth.

Senior Analytical Scientist will lead evidence studies for biologics applications, designing experiments, analyzing data, and comparing MIRA against reference methods. Responsibilities include evaluating MIRA results against orthogonal methods, collaborating with Product and Data Science teams, and preparing documentation. Requires experience in pharma or biologics, analytical method development, and data analysis.

Leads the Core Network team, encompassing headend, hubs, TV platforms, service distribution, and Network Operations Center (NOC). Ensures availability and performance across the service delivery chain. Manages team of 10+ experts, oversees technical projects, and drives network evolution.

GASOLINA is launching MAN IN A CAN, a functional beverage for men's health, in August. We are seeking a founding team member to own a core business function (brand & content, growth & community, ecom & performance marketing, B2B & brand partnerships, or ops & Claude). Must have 1+ year of experience in a consumer brand or high-performing environment, strong English & German, and a passion for building a brand from the ground up.

The Sales Lead serves as a key point of contact for Team Customer Escalation, providing daily workload oversight and coordination to ensure timely resolution of customer needs. This role is responsible for growing existing accounts by meeting key performance indicators (KPIs) while building strong cross-functional relationships. The Sales Lead balances short-term transactional opportunities with long-term strategic account development.