manual tester English-speaking jobs in Krefeld

Develop and implement IT cost management strategies for clients. Contribute strategic insights to procurement of hardware, software, and managed services. Manage external and internal stakeholders, including C-level contacts.

Mechanical Lead for hyperscale data center construction projects. Leads mechanical delivery, coordinates subcontractors, and ensures quality, safety, and compliance. Requires mechanical engineering background and experience on large-scale projects.

Strategic Buyer (m/f/d) will define and execute procurement strategy, optimize costs and processes, and build relationships with international suppliers. Requires a bachelor's degree, 3-5 years of purchasing experience, strong negotiation skills, and proficiency in Excel.

Experienced Firewall Maintainer to join the second line ICT GRC team. Define, maintain, and enhance firewall governance controls in line with internal policies, DORA, and BaFin requirements. Conduct second line reviews of firewall configurations and network segmentation to ensure compliance and risk reduction. Challenge and assess the effectiveness of first line firewall controls, including rule review, change management, and logging or monitoring processes.

Senior Research Analyst and Portfolio Manager will conduct fundamental research on global technology companies, develop investment theses, and contribute to buy/sell decisions.

PR Account Executive to execute impactful communications strategies for global tech brands. 1-2 years of agency experience required. Strong media relations, content creation, and client communication skills needed. Fluency in German and English essential.

Medical Monitor provides medical expertise for global clinical trials, ensuring patient safety and protocol adherence. Advises clients, project teams, and regulatory agencies on medical matters. Reviews clinical data, addresses safety issues, and collaborates on clinical development plans and reports.

The Senior Data Modeler defines and governs enterprise-grade data models, translating business concepts into scalable data structures. This role designs models for cloud-native platforms, ensures interoperability, and mentors data analysts. Responsibilities include leading data modeling workshops, enforcing standards, and collaborating with architects and engineers.

Own the roadmap for Scalable Capital's market making solutions on the European Investor Exchange. Define, prioritize, and deliver innovative solutions, collaborating with Trading, Engineering, Operations, Compliance, and partners. Translate market research and user feedback into a cohesive product vision and user experiences.

The Institute of Management Accounting and Control (IMC) seeks a Research Assistant/Doctoral Student to work on research questions related to digitalization, sustainability, performance management, and CFO roles in corporate transformation. The successful candidate will have a strong interest in these areas, superior analytical skills, and a very good master-level university degree.

Project Manager needed for multiple Telecoms/Data Centre projects in Germany. Will liaise with stakeholders, support project planning, and travel to various sites. Requires transferable electrical engineering qualifications and industry experience. Fluent English and German are essential.

Supply Officer (m/w/d) manages material flow, coordinates with suppliers, and drives process improvement. Responsibilities include demand communication, order placement and tracking, delay analysis, and recovery planning. Collaborates with procurement, logistics, and production teams. Leads or participates in supply chain improvement projects.

Lead Project Development Manager will drive the development of utility-scale battery storage, wind, and solar projects in Germany. Responsibilities include identifying opportunities, leading permitting and grid processes, and supporting project economics and financing. Requires 4+ years of renewable energy project development experience, German permitting knowledge, and fluency in German and English.

A newly funded cybersecurity startup in Berlin seeks a Founder's Associate/Executive Assistant to CEO to support the CEO with finance, operations, travel, PR, and sales activities. The ideal candidate will have 2+ years of experience in startup operations, HR, finance, PR, sales, or executive assistance and strong organizational and communication skills.

Designs, builds, and owns SAIZ's enterprise operating model, including onboarding, value delivery, account maturity, and expansion. Leads strategic accounts, identifies patterns, and translates customer insights into scalable processes and frameworks. Builds systems that scale without losing quality or depth.

Leads, manages, and decides on all global customs & export control topics, ensuring compliance with regulations and tax laws. Directs legal changes and emerging trends in global trade legislation. Operates import-export activities, tariff classifications, and AEO certification. Implements global customs procedures and coordinates corrective actions.

Site Reliability Engineer to implement and improve Just-In-Time (JIT) access solutions. Collaborate with the Cloud Control team to integrate security policies into infrastructure provisioning. Automate authorization flows for regulatory compliance.

Freelance lecturer in Business Administration Sustainability needed for 48 teaching units starting July 1, 2026, in Berlin. Teach fundamental knowledge in sustainability frameworks, corporate sustainability management, and sustainability reporting. Design courses using provided materials and conduct practical teaching sessions. Requires a university degree in a related field, practical work experience, and English language skills at C1 level.

This internship provides hands-on experience in event management and visitor experience design at Allianz Technology's R&D Center Europe. Assist with planning, coordinating, and executing events, including workshops, tours, and stakeholder meetings. Support guest management, create event materials, and collaborate with stakeholders and vendors.

The Max Planck Institute for Political and Social Science seeks a Postdoctoral Fellow to conduct research on the coexistence of violent orders and democracy. The project examines the relationship between political and economic institutions, political violence, and its consequences for political outcomes.