student English-speaking jobs in Gelsenkirchen

Drive the end-to-end recruitment process for critical, high-level white-collar and specialist positions across Germany and EMEA. Collaborate with senior leaders, advising on market trends and recruitment strategies. Oversee the full candidate journey, ensuring a premium experience. Partner with sourcing experts to review talent pipelines and refine search strategies.

Senior Java Developer will architect, develop, and maintain scalable backend services using Java. The role requires strong experience with Java 11+, Quarkus or Spring/Spring Boot, relational databases, and software engineering principles.

Leads a team of Value Engineers to drive the end-to-end customer value journey for the DACH region, including landing, expanding, adoption, and renewing accounts. Translates customer objectives into Celonis use cases and communicates value to C-level executives. Oversees the customer base through the Celonis Value Journey, facilitating workshops and identifying process enhancement opportunities. Develops world-class talent through enablement, mentorship, and leadership. Requires 10+ years of leadership experience in a customer-facing role, strong executive presence, sales and commercial acumen, and deep fluency in the DACH C-Suite's strategic challenges. Demonstrates experience with the Celonis value selling methodology and a proven track record of identifying and prioritizing use cases, implementing improvement measures, and becoming a change agent for the customer.

Lead a project-driven business unit focused on industrial and logistics solutions. Define and execute restructure and growth strategies, manage P&L performance, and drive international sales. Proven experience in project-based businesses and restructuring is required.

The Mechanistic Modeling Specialist supports customers in optimizing downstream processes using GoSilicoTM Chromatography Modeling Software. This role involves leading technical discussions, conducting independent modeling work, and delivering training courses.

Leads and develops Global Regulatory Affairs, Label & Leaflet Design, and associated networks. Ensures pharmaceutical and medical device regulatory approvals and compliance with regulations. Manages budgets, resources, and investments in line with strategic objectives.

Drive energy procurement strategy, optimize costs, ensure compliance, and promote sustainability through smart sourcing and Power Purchase Agreements (PPAs). Develop and implement negotiation strategies, analyze energy consumption, and evaluate/select energy suppliers.

Sales Manager EMEA Chemicals (m/w/d) is responsible for sales and promotion of chemical products/intermediates across EMEA. The role involves acquiring and retaining customers, developing sales strategies, and introducing new products. Requires a Master's degree, experience in specialty chemical sales, and strong communication and analytical skills. Fluency in French and English is essential.

Responsible for EMEA-wide sales of chemical products/intermediates, including isoprene and butadiene derivatives. Develops and implements sales promotion measures, manages budgets, and analyzes market trends. Requires a Master's degree, experience in specialty chemical sales, and strong communication and relationship-building skills. Fluency in French and English is essential.

Support the CEO and team in all business aspects, including new initiative development, market research, and revenue operations. Collaborate cross-functionally to optimize processes and communication.

Lead and manage E.ON's most important Group projects and international teams. Analyze energy sector challenges and develop strategic and operational solutions. Build relationships with E.ON Group's business units and act as a sparring partner for top management.

Machine Learning Engineer to build and maintain a scalable ML infrastructure for a global platform. Responsibilities include designing, developing, and deploying ML models, collaborating with data scientists, and leveraging cloud technologies. Requires 4+ years of software engineering experience with Python, Java, or Golang, and experience in ML engineering or MLOps.

Serve as a trusted advisor to senior leaders, addressing workplace challenges such as performance, leadership, culture, and employee engagement. Lead consulting engagements, diagnose client needs, and architect tailored solutions. Build relationships and expand Gallup's impact. Must have 10+ years of consulting experience and fluency in German and English.

Lead SoSafe's strategic value-add services, operationalizing a consulting methodology focused on driving behavior change and measurable risk reduction. Develop and manage a consulting practice, translate the SoSafe Maturity Model into a practical "Strategic Steering" approach, and act as a subject matter expert on Human Risk Management.

The Data Center Engineering Operations (DCEO) Chief Engineer ensures peak efficiency of electrical, mechanical, and fire/life safety equipment in a data center. Responsibilities include preventative maintenance, corrective work, emergency response, root cause analysis, and training Engineering Operations Technicians. The CE manages projects from conception to completion, collaborating with internal and external support groups.

Technical Director to develop and deliver dispatchable power solutions. Experience in power generation, project execution, and technologies like CHP, battery storage, or power-to-heat is desired. Requires a Bachelor's or Master's degree in a relevant field and 5-8 years of project management experience in the power sector. Fluent in English and German.

Lead the SDV reference architecture and embedded software strategy for automotive Body SoCs. Define architectures, specs, and roadmaps for embedded platforms. Drive microservices, event-driven, and SOA patterns for in-vehicle compute. Ensure safety and cybersecurity by design. Collaborate with OEM/Tier 1 architects and guide DevOps/CI/CD and AI best practices. Provide technical leadership and mentorship to the automotive business line. Conduct market research and competitor analysis.

Leads the design, planning, and execution of electrical systems for data center projects. Provides technical expertise on high-voltage power systems, UPS systems, switchgear, and redundancy solutions. Manages electrical infrastructure across the development lifecycle, from design and procurement to installation and commissioning. Collaborates with internal and external teams to ensure seamless system integration and compliance with standards. Researches and implements innovative technologies to optimize electrical systems for energy efficiency and reliability.

Electrical Systems Lead Engineer for execution of power plant projects. Responsibilities include electrical engineering initiatives, collaborating with suppliers, defining component requirements, and managing cable and termination information. Requires a bachelor's or master's degree in electrical engineering or equivalent experience. Basic knowledge of Gas and Steam Turbine Power Plants and digitalization platforms is required.

Leads and coordinates the Regulatory Affairs (RA) community across SEFE's European locations. Manages projects related to the group-wide regulatory strategy and reports on political and regulatory developments to SEFE's decision-making bodies. Develops and maintains relationships with policymakers, regulatory authorities, and associations in energy policy. Represents the Group externally on regulatory issues related to energy market design.