testing English-speaking jobs in Essen

Develops and executes international marketing strategies for Merz Spezial, driving market expansion and growth outside the DACH region. Analyzes markets, identifies trends, and manages innovation projects from ideation to launch. Collaborates with cross-functional teams to ensure successful product launches and optimize product lifecycle strategies.

Lead an on-site technical team, ensuring smooth daily Data Center operations and excellent customer relationships. Drive a proactive, safe, and high-performance environment while optimizing resources and continuously improving processes.

Freelance SAP Retail Solution Architect needed for a large-scale S/4HANA transformation program in the fashion/apparel sector. Focus on end-to-end solution design across supply chain and master data.

Provide consulting support to national and international manufacturing clients in the US market. Develop customized solutions for clients ranging from hidden champions to global market leaders.

DevOps Engineer will build, integrate, and evolve a Kubernetes-based Application Tier for medical and public-health research applications. Responsibilities include designing, building, and maintaining cloud-native infrastructure, improving platform workflows, and contributing to architectural discussions. Experience with Kubernetes, Terraform, Helm, and cloud networking is required.

Partner with a focus on SAP, responsible for business development, client leadership, and engagement oversight. Leads complex SAP programs, shapes growth strategy, and mentors a consulting team. Requires 10+ years of SAP consulting experience, leadership roles, and expertise in S/4HANA, Finance, Supply Chain, Data & Analytics, or industry-specific solutions.

Optical Engineer to develop advanced optical systems for printing machines. Designs created in Zemax and transferred to SolidWorks. Collaborates with R&D team, mechanics, electronics, and firmware. Requires Master's degree in optics, photonics, or applied physics and 10+ years of experience.

Executive Assistant to support Managing Directors, organize meetings and travel, prepare presentations, and collaborate with teams.

As a Product Designer at koppla, you will collaborate with engineers, product managers, and other stakeholders to design and deliver user-friendly solutions for a next-generation collaborative scheduling platform for the construction industry. You will work in a fast-paced environment, iterating on designs and incorporating user feedback to create a high-quality product.

As a Service Manager, you will be the central contact person and project manager for service support (incident and problem management) for global air traffic control and airport customers. You will ensure timely analysis and rectification of faults in customer systems and advise customers on technical matters.

Intern will support corporate development projects, conduct competitor analysis, and prepare presentations for the Board of Management.

Service Technician (m/f/d) for Wind Turbines in Velen. You will carry out on-site servicing and maintenance of wind turbines, repair turbines, and resolve faults. You will analyze error messages, identify causes, and document work digitally.

The John F. Kennedy Institute seeks a postdoctoral researcher to lead a Franco-German research project on savings banks and public credit institutions. The position involves constructing a historical dataset, conducting quantitative analyses, and co-authoring publications.

Leads local and global IT projects, primarily in data center operations, SAP Application Management Services, and system migrations. Manages project budgets, timelines, deliverables, and quality. Guides and supports project team members. Requires a degree in computer science, IT, or a related field and several years of experience managing IT projects, ideally with SAP involvement.

Execute complex threat intelligence engagements and projects independently, acting as a trusted advisor to clients. Manage stakeholder relationships, lead discussions with technical and executive audiences, and deliver high-quality threat intelligence services. Support junior team members and contribute to the professional growth of the Threat Intelligence team.

Phorms Education is seeking a Physical Education Teacher for their bilingual primary school in Berlin Steglitz-Zehlendorf to plan and deliver competence-oriented sports lessons starting in August 2026.

Field Clinical Specialists provide clinical training on transcatheter heart valve technology to physicians and hospital staff. They will travel within an assigned territory, providing education on device handling, implantation, and troubleshooting. Responsibilities include case management, training curriculum development, and collaborating with cross-functional teams.

Lead the end-to-end deployment of Takeda's S/4HANA process model at the Oranienburg site, ensuring readiness, compliance, stable operations, and uninterrupted supply. Manage risks, issues, dependencies, and business continuity. Drive change, communication, and training efforts. Partner with Site Leadership, OpU, GSQ, DD&T, and Global Process Experts. Secure and coordinate SMEs for design, testing, data, and cutover. Ensure master data quality and readiness for validation and migration. Plan and safeguard cutover with strong contingency measures. Maintain manufacturing and quality stability during transition.

Strategic European Brand Manager to lead the PPE portfolio, shaping strategy, driving growth, and leading market assessments. Develops marketing campaigns, manages product lifecycle, and collaborates with stakeholders across Europe. Requires 8+ years of experience in medical devices, marketing, or commercial roles with a proven track record of success in multiple European markets.

PhD position in Pediatric Hematology and Experimental Oncology. Research will focus on optimizing existing cancer treatments and developing new therapeutic approaches for children. Requires a Master's degree in a relevant field and experience with cell culture, molecular biology, and biochemical methods.