ruby English-speaking jobs in Düsseldorf

CSL Plasma seeks a GxP-Auditor to perform qualification audits at plasma suppliers/service providers in the EMEA region. Responsibilities include evaluating audit results, performing risk analyses, and assisting in the development of audit systems. Requires excellent Italian or French, English, and German language skills, 2-3 years of auditing experience, and knowledge of quality management and GxP/DIN ISO.

Lead the legal function for a growing clean energy company, providing strategic and commercial legal support across project development, contracts, financing, and compliance.

Operational Logistic Specialist needed for a global technology company in Böblingen. Coordinate with transportation and warehousing suppliers, manage processing details, conduct inventory counts, and supervise outbound shipments. Bachelor's degree in Industrial Engineering/Business Administration or equivalent with 2-3 years of experience in operational logistics. Must have strong communication skills in English and German (min B2).

The Project Engineer coordinates, commissions, tests, and troubleshoots projects throughout Germany and occasionally overseas. This role involves managing server deployments, inspecting installations, ensuring adherence to technical standards, and providing technical support to internal teams and clients. The Project Engineer also mentors junior engineers and collaborates with various departments to ensure project success.

Stress Engineer needed for a growing aviation company. Analyze and report on aircraft stress, collaborate with design teams, and manage supplier relationships. Requires a Master's degree in aeronautical/mechanical engineering, 5+ years experience, and expertise in stress analysis techniques, including finite element analysis and fatigue/damage tolerance. Must have experience with composite structures and MSC Nastran/Patran.

Senior Consultant for Technology & Solution Architecture leads strategic implementation projects, selecting technologies, products, and partners. Manages architecture workstreams, ensuring alignment with E.ON's digital capabilities and project needs. Collaborates with internal and external stakeholders to deliver end-to-end advisory services.

Project Manager to lead strategic and innovative healthcare initiatives for a fast-growing, PE-backed organization. Responsibilities include driving digital transformation, process optimization, and collaborating with cross-functional teams.

Senior Security Engineer designs, implements, and matures security architecture across various domains. Partners with teams to review, harden, and implement security controls. Oversees vulnerability management, penetration tests, and threat hunting. Mentors SOC analysts and maintains documentation. Requires a Bachelor's degree in a related field, 5+ years of experience, and strong knowledge of security frameworks and tools.

Implement an MCP server on embedded Linux for a network switch platform. Design and implement network diagnostics tools, including interface status, MAC address table lookups, and log extraction. Create a troubleshooting flow mapping user prompts to structured results and actionable outputs.

Logistics & Supply Chain Coordinator for a Munich-based startup specializing in military aviation technology. Manage inventory, warehouse operations, and material flow, ensuring efficient production processes. Coordinate with suppliers, logistics partners, and internal teams to resolve supply chain issues. Maintain accurate records and ensure compliant packaging and transportation of Dangerous Goods (IATA/ADR).

Field Application Engineer drives demand creation by leveraging technical expertise to champion return on engineering investment. Partners with sales to provide technical support and consulting, influencing designs and promoting solutions. Manages supplier and customer relationships, attends trainings, and participates in strategic meetings.

Analyze natural and synthetic fragrances in market samples using GC and GC/MS. Develop, adapt, and optimize analytical methods. Create basic fragrance formulae. Maintain, service, and troubleshoot GC and GC/MS systems.

Leads HR, administration, and office IT functions for Europe. Manages payroll, employee data, and tax/social security matters. Designs and implements HR policies, recruitment frameworks, and internal processes. Partners with leadership to develop regional strategies and implement HQ initiatives.

Lead and develop a high-performing engineering team across all seniority levels. Improve delivery, processes, and AI adoption. Maintain technical proficiency and contribute to code reviews and architectural discussions. Hire and mentor engineers, ensuring team growth and alignment with product goals.

This fixed-term position involves loading, unloading, shipping, receiving, scanning, sorting, and stocking packages. May utilize heavy machinery. Requires ability to lift up to 70 lbs., read and memorize postal codes, and work flexible hours. Warehouse experience is preferred.

Design, develop, and commission ultra-precision mechanical systems for the XFELO project. Perform computer-aided engineering tasks, including design optimization and structural/thermal assessments. Participate in experimental testing and analysis.

Field Application Specialist supporting sales, demonstrations, training, and technical problem-solving for GC and GC-MS across the DACH region.

As a Senior Solution Consultant, you will drive the sales of IoT, Cloud, and Security solutions, focusing on IoT and Managed Connectivity. You will act as a trusted advisor, identify customer challenges, and translate them into technical solutions. You will lead workshops, design architectures, and support proposal development.

Systems Innovation Engineer needed to assess drone components and sub-components at a full-system level, ensuring sourcing and evaluation decisions are technically sound and aligned with platform performance.

Project Manager will oversee project delivery from planning to handover, serving as the primary client-facing lead. Responsibilities include program and budget control, logistics management, quality assurance, and risk escalation. The role requires 7+ years of project management experience in a delivery-focused environment, ideally with BESS or energy storage projects.