freelance English-speaking jobs in Bielefeld

Develop and own the strategy for a strategic procurement category (solar panels, inverters/storage, or commodities) aligned with sales and business strategy. Lead a procurement team, manage supplier relationships, and implement framework agreements.

The Senior Associate Data Management ensures the accuracy and integrity of master and transactional data within the ERP system. Responsibilities include data entry, maintenance, quality assurance, process improvement, and collaboration with various departments.

Support the Academic Partnerships Marketing and Communications team with tasks such as creating marketing assets, producing video content, and supporting events.

Two Commercial Project Managers are needed to drive construction execution for a €6bn+ energy investment program in East Germany or Leipzig. Responsibilities include contract management, supplier relations, claim management, and EPC contract negotiation.

Investigate and respond to security incidents across endpoints, networks, and cloud environments. Analyze alerts and logs using tools such as SIEM, EDR, and network monitoring platforms. Contribute to the development and refinement of detection rules and response playbooks.

German-speaking Business Development Specialist needed for a digital advertising project in Barcelona. Develop and manage client relationships, recommend advertising solutions, and achieve sales targets. Requires fluency in German and English, B2B sales experience, and a willingness to relocate.

Lead technical expert providing on-site support for Collins Aerospace commercial seating products. Troubleshoots, investigates, and resolves technical issues, collaborating with customers and internal teams. Requires strong communication, problem-solving, and technical expertise. Minimum six years of related experience in an aircraft technical environment.

This internship focuses on restructuring and optimizing a SQL database containing technical and troubleshooting information. The role involves reorganizing data, standardizing information, and preparing the database for AI analysis.

German-speaking Sales Representative needed to build and manage a sales funnel for a premium food & beverage brand. Responsibilities include lead generation, cold calling, CRM optimization, and onboarding new partners. Must be fluent in German (C2) and English (C1), possess strong analytical skills, and have a "hunter" mentality.

The Institute of Meteorology and Climate Research Atmospheric Aerosol Research (IMKAAF) seeks an aerosol physicist to support the planning and implementation of instruments for aerosol generation and measurement at the new AIDAc2 atmospheric simulation chamber.

Lead the FI & CO Applications Team in Wiesbaden, providing technical leadership to a virtually extended team. Act as IT business partner for worldwide FI & CO departments, ensuring continuous alignment of requirements and process improvements.

The Head of IT Governance, Compliance & Security will supervise the ITSO/IGA-IAM team and support the implementation and maintenance of IT compliance frameworks. This role will monitor compliance with internal and external regulations, support audits, and identify, assess, and monitor IT risks.

Coordinate bio-sample selection and preparation, design probes and libraries for next-generation DNA sequencing, and analyze genomic instability and somatic mutations in neurodegenerative diseases.

Lead and support application onboarding to IAM platforms, collaborating with cross-functional teams to architect, implement, and optimize secure identity solutions.

Manage all aspects of large-scale events for a key pharmaceutical client, from briefing to delivery. Collaborate with internal and external teams, ensuring adherence to client standards and processes.

Project Manager for operational excellence and service transformation. Leads cross-functional, global project teams, ensuring projects are delivered on time and within budget. Drives operational excellence and cultural transformation.

ADAS System Engineer needed to evaluate algorithms, analyze sensor data, and ensure performance and safety of advanced driver assistance systems.

Production Manager (m/f/d) needed for an innovative company in the Ravensburg area. The role involves overseeing production activities, leading a team of 45, and ensuring quality, efficiency, and timely delivery. Requires a technical degree and several years of experience in a similar role.

Account Manager responsible for selling IVD products and systems in northern Germany. Develops regional sales plans, builds customer relationships, and proposes solutions to meet customer needs. Requires a scientific degree, 3-5 years of sales experience in immunochemistry/diagnostics, and fluency in German and English.

Manage all aspects of travel for clients, providing support, consulting, and advising on travel solutions. Utilize GDS, particularly Sabre, and Freshdesk. Ensure client travel policies are adhered to and SLA's and KPI's are consistently met.