freelance English-speaking jobs in Bielefeld

Provides administrative and secretarial support to the Technical and Scientific Support Department at EUMETSAT. Duties include managing correspondence, scheduling appointments, arranging travel, and supporting document preparation. Requires proven secretarial experience, proficiency in MS Office, and excellent communication skills. Fluency in English is required, German is an asset.

The Housekeeping Manager oversees guest experience related to cleanliness and visual impressions onboard, ensuring premium service. This role requires strong hospitality, communication, and organizational skills, along with effective decision-making. The manager is responsible for maintaining cleanliness, delivering services to high expectations, and fostering a positive work environment. They provide training, leadership development, and recognition to supervisors and crew members.

Customer Service & Asset Specialist to provide support to DACH region customers, manage order-to-invoice coordination, and collaborate with internal departments.

Lead and develop the accounting team, stabilize existing structures, and build scalable financial processes. Ensure accurate financial reporting and compliance with HGB. Analyze and optimize accounting processes, drive standardization and automation. Collaborate with stakeholders and provide financial insights.

Global Head of Production to lead operational strategy across 4 European plants. Develop and implement global operational strategies, optimize production processes, and oversee supply chain operations. Requires proven experience in multi-site, multi-sector international operational management.

Lead AI Engineer to provide technical leadership for AI-driven products and platforms. Design, build, and manage production-grade AI solutions. Experience with LLMs, Agentic AI, deep learning, NLP, and predictive analytics required. Manage external AI development partnerships and lead development teams.

HARMAN is building an enterprise AI platform to automate and augment internal business processes. The Executive Director, AI Architecture will define and own the long-term technical architecture for these systems, making architectural decisions that affect multiple organizations and a combination of custom-built and third-party AI solutions. This role requires deep technical expertise in distributed systems and applied AI, combined with the ability to guide teams through complex technical trade-offs.

Senior System Engineer responsible for IT infrastructure operation, development, and optimization. Duties include system administration, network and security solutions, cloud solutions, monitoring, automation, storage clusters, backup strategies, containers, and databases. Requires several years of experience in system engineering, strong Windows Server or Linux administration skills, and knowledge of IT security tools, cloud web services, backup tools, scripting, and monitoring tools. Excellent German and English language skills are essential.

Leads the Network Architecture & Shared Services Team, responsible for the DRV-Bund's network and security infrastructure. Manages personnel, external staff, and projects. Requires a university degree in IT or equivalent, several years of experience in network technologies, and initial leadership experience.

Lead Cloud Engineer to design, develop, and establish Microsoft Azure or Google Cloud services and architectures. Provide 2nd and 3rd level support for cloud services and drive continuous optimization. Requires several years of experience in multi-cloud environments, strong communication skills, and a service-oriented mindset. Fluency in German and English is required.

Launch your AI career with Nebius' 3-6 month Early Talent Program. Collaborate with experienced researchers on LLMs, reinforcement learning, and agentic systems. Design experiments, train models, and explore innovative techniques. Ideal for students or recent graduates with a strong computer science and machine learning foundation.

Supports Global Trade & Compliance organization by ensuring international shipping activities from the EU comply with EU, German, and international trade and environmental regulations. Assists with development, implementation, and monitoring of compliance policies for the International Shipping program within the EU. Conducts compliance audits and risk monitoring, evaluates product eligibility for international shipment, and supports customs and trade compliance.

Flight Deck & Systems Engineers (Associate, Experienced, and Senior) design, test, and certify flight decks and avionics software for Boeing Commercial Airplanes. Responsibilities include developing solutions for complex system engineering tasks, establishing design requirements, and collaborating with pilots, designers, and systems engineers.

Develops clinical education materials and provides expertise on devices, procedures, and protocols throughout clinical investigations. Educates physicians, hospital personnel, and staff on device handling, implantation, and troubleshooting. Provides feedback to improve training materials and validates center, physician, and staff certifications.

Experienced Compliance Manager needed to support data center projects in Berlin. Ensures compliance with German building laws, permits, regulations, and authority requirements. Coordinates with authorities, inspectors, and internal teams. Strong technical understanding of building services and MEP systems required. Fluent German essential.

Freelance HSE Consultant to support LNG infrastructure project near Hamburg. Will monitor and enforce HSE compliance, conduct site inspections and audits, and ensure adherence to German regulations and project standards. Requires experience in LNG, oil & gas, or large industrial projects and relevant HSE certifications.

Regional Utilities Reliability Engineer supports reliability and lifecycle management of critical utilities assets across EMEA plants. The role focuses on improving proactive maintenance and asset reliability for boilers, CHP/turbines, compressed air, cooling, water treatment, and utilities distribution systems.

Systems Engineer (m/f/d) for Airbus Defence and Space in Manching. Capture and translate customer needs into system specifications. Shape technical roadmaps, manage product backlogs, and drive the development of user-centric UIs. Manage collaboration with suppliers, ensure seamless integration, and monitor project progress.

Experienced logistics network planning professional needed to design, optimize, and expand European logistics network. Focus on warehouse, hub, linehaul, and last-mile network design. Requires 5+ years of experience in European logistics network planning or supply chain design.

Leads the full people agenda across Europe and global regions, developing and executing HR strategy to support organizational growth and operational excellence.