English-speaking jobs in Siegen

Leads global sales and distribution network, develops sales strategies, and manages a team of 40 employees. Responsible for revenue targets, product mix, and distributor network. Requires extensive international sales experience in IVD, leadership skills, and strong financial acumen.

Senior Software Developer to design, develop, and refactor software applications using C#, .NET, and C++. Experience with non-relational databases, CI/CD, and SOLID principles is required.

This role focuses on operational execution and creator management for TikTok Shop in France. Responsibilities include managing the creator lifecycle, analyzing trends, ensuring content quality, and maintaining platform compliance.

Specialist Systems / LIMS & GMP Systems Specialist (m/w/d) - Labor & Qualität. Qualify and manage reference materials, maintain data in LIMS, act as a key user for GSpec document management system. Create, maintain, and administer test procedures, support users and interfaces, and assist with LIMS system development and validation.

Executive Assistant (f/m/d) Vollzeit / Teilzeit Agora Energiewende As Agora Think Tanks we develop politically feasible and science-based strategies and solutions for the transformation to climate neutrality. Along with overarching questions of climate policy, the successful transformation to a climate-neutral energy system is at the core of our work.

Provide IT support for life science research, including web app development, pipeline curation, and cluster management. Expertise in command-line access, containerized environments, R/Python, and big data analysis is required.

Business Analyst needed for a 11-month contract with a financial services organization in Frankfurt. Analyze business and regulatory requirements for a securities platform, write user stories, and collaborate with cross-functional teams in a scaled agile environment.

Develop and manage global commodity strategies for electronic components. Lead negotiations and contract management with international suppliers. Analyze market trends and implement cost-reduction initiatives.

Develop and implement global procurement strategy aligned with Aenova's financial and operational objectives. Drive value creation through cost optimization, working capital improvement, and risk mitigation. Lead global category strategies for direct and indirect spend.

The Leibniz Institute for Tropospheric Research seeks a Head of the European Center for Aerosol Calibration and Characterization (CAIS-ECAC) and Researcher in Atmospheric Microphysics. The position involves research, strategic management of CAIS-ECAC, ensuring scientific standards for aerosol characterization, and international collaboration.

Global Medical Science Manager needed to translate clinical science and communicate it internally and externally. Collaborate with Regulatory Affairs, R&D, and other departments. Requires a degree in natural sciences, experience in medical science, and strong communication skills.

Experienced Freelance Management Assistant providing high-level support to top leadership, including calendar management, meeting coordination, communication, and project management.

Sortation Associates work at Amazon delivery stations, preparing and staging packages for drivers. Duties include receiving and preparing inventory, using technology to scan and sort packages, and moving items using carts and dollies. Applicants must be 18 years or older, proficient in German and/or English, and able to lift up to 15kg.

Forto seeks a Content & Social Media Marketing Manager to create and manage sales support material, translating complex logistics insights into digestible content for B2B audiences.

Lead and coordinate end-to-end testing activities for a major SAP and Salesforce transformation program. Plan, schedule, and execute comprehensive test cycles using Jira Xray. Ensure smooth and efficient execution of all test phases, from system integration testing to user acceptance testing.

Expert Apache Ignite professional needed for a 3-month audit of existing clusters. Responsibilities include assessing architecture, performance, and stability, resolving issues, and providing recommendations.

Supports M&A deal execution, including pitch materials, financial analysis, and market research. Focus on sustainability, energy transition, and industrial transformation.

Senior Project Manager to lead data centre projects from initiation to closure. Manage scope, budget, schedule, quality, and risk, ensuring compliance with governance protocols. Lead a team, build stakeholder relationships, and drive on-time delivery.

Provides IT support for life science research, including web app development, pipeline curation, and cluster management. Requires expertise in server administration, containerized environments, R/Python, and big data analysis.

Leads the global Customer Experience (CX) organization across all business units, brands, functions, and regions. Develops and implements cross-functional CX strategies, programs, and processes to improve customer satisfaction and business outcomes. Establishes a unified data and technology foundation for digital customer engagement. Manages partner ecosystems, budgets, and delivery performance across global CX programs.