freelance English-speaking jobs in Mannheim

Service Technician (m/f/d) for Wind Turbines performs on-site servicing and maintenance on various turbine types. Responsibilities include analyzing and resolving error messages, increasing turbine efficiency, and documenting work digitally. Requires vocational training in electrical engineering, electronics, mechatronics, energy and building technology, a valid Class B driver's license, and proficiency in German and English.

Research Associate for the project "Benchmarking and Digital Twin Integration for Seismic Wavefield Analysis" within the "Newtonian Noise Cancelling Headphones for the Einstein Telescope" project. The position focuses on developing and validating a benchmarking workflow for seismic wavefield models using a digital twin of the Einstein Telescope.

Support Customer Credit Risk Management (CCRM) for EMEA customers. Responsibilities include daily operations support, KPI monitoring, and assisting credit analysts in credit decisions. Requires experience in Order to Cash, SAP, and MS Office. Fluency in English is required, additional language skills are a plus.

IT Administrator responsible for provisioning, operating, and updating virtualized Windows server systems. Develops operational concepts and provides user support. Requires expertise in virtualization, system operations, and IT infrastructure.

Nachhilfeunterricht seeks a guitar tutor to deliver online and/or in-person lessons. Create structured and personalized lessons to teach guitar techniques, music theory, and build student confidence. Basic guitar knowledge and the ability to explain techniques clearly are required.

Leads radiation protection activities across site design, licensing, shielding, regulatory compliance, and project delivery for radiopharmaceutical facilities. Manages projects, ensures regulatory compliance, and provides onsite support for successful site operation. Requires a Master's degree in a relevant field and several years of experience in radiochemical or radiopharmaceutical operations.

Provide first- and second-level IT support to laboratory staff and clients. Configure, administer, monitor, and optimize IT solutions in the server/client environment, network, and peripherals. Identify challenges, develop solutions, and implement small-scale projects.

IT Business Architect responsible for establishing and managing architecture management across SAP and non-SAP systems. Identifies solution gaps, develops approaches, and collaborates with various stakeholders. Requires a Master's degree, experience in SAP Utilities, and expertise in architecture, project, process, and data management.

Coordinates and supports system and process managers in ensuring information security within secure network operations systems. Contributes to the detection and resolution of security incidents, risk assessment, and management. Supports the development of technical security standards and the identification of threats. Drafts and maintains guidelines for compliance with information security. Participates in coordinating, finalizing, and reviewing contractual agreements. Supports system and process owners with documentation, risk and criticality analysis, and quality assurance. Assists with the conduct of certification audits and internal audits.

Senior Clinical Research Associate (CRA) will oversee and manage clinical trial activities to ensure protocol, regulatory, and industry standard adherence. Responsibilities include monitoring sites, conducting visits, collaborating with teams, and providing training. Requires an advanced degree in a relevant field, extensive CRA experience, and strong organizational and communication skills. Must be able to travel at least 60%.

Master's thesis exploring visualization methods for multivariate geospatial data with evolving uncertainty. Requires understanding of visual analytics, data analysis, and visualization libraries (e.g., d3.js).

Support marketing team with event planning, online campaigns, content creation, and social media management. Assist in preparing marketing materials and presentations.

Plan and coordinate press-focused events, including press trips, workshops, and press events linked to funded projects. Manage logistics, press communication, and participant coordination.

Senior Payroll Specialist supports business units in Germany. Responsibilities include preparing and processing payroll, managing confidential information, and collaborating with Finance and Controlling. Requires experience in payroll and SAP-HCM. Fluency in German and English is required.

Senior Frontend Engineer (Angular) will develop user-facing platforms for the German Human Genome-Phenome Archive (GHGA) data portal. Responsibilities include implementing user interfaces, creating wireframes and prototypes, and architecting, testing, and maintaining web applications using Angular, TypeScript, and Tailwind CSS.

Prepare Long Term Service and Operation and Maintenance offers for the Middle East region, collaborating with Technical Sales, Bid Management, and regional entities. Manage financial planning and reporting, analyze tender requirements, and mitigate commercial risks. Negotiate contracts and provide input to the internal approval process.

This hands-on trading role requires detailed market insight and quantitative skills to optimize and protect value from assets under contract and future assets. The role involves developing and maintaining a strong market view on European energy markets and working with Risk Management to ensure compliance with risk limits.

SAP MDG Senior Consultant needed for a 9-month project. Focus on MDG configuration, integration with Teamcenter, and optimization. Requires experience with MDG workflows, data modeling, REST APIs, and integration scenarios. Project language is English.

Shape user-centered, sustainable energy solutions for the European market. Translate user needs, market insights, and technological possibilities into high-quality design concepts. Conduct user-centered research and monitor design, technology, and market trends. Develop innovative concepts while considering engineering feasibility and production costs. Collaborate with the global design team and coordinate external design partners.

As a working student, you will support user-centered decision-making by analyzing UX research, usability tests, and data. You will prepare insights for teams and stakeholders, contribute to UX initiatives, and develop design solutions.