Computer English-speaking jobs in Siegen

Freelance lecturer to teach fundamental business intelligence, procurement, supply chain management, distribution logistics, and industrial goods marketing. Requires a university degree in a related field, practical work experience, and English language skills at C1 level.

Senior Product Owner to lead a key product area, define roadmap, and drive product growth. Experience with SaaS and mobile products, customer discovery, and data-driven decision making required. Fluent in English and German.

The German Institute of Human Nutrition Potsdam-Rehbruecke seeks a Molecular Biologist to investigate how obesity and type 2 diabetes remodel the epigenome. The successful candidate will analyze miRNA expression profiles, perform functional manipulation of miRNAs, and identify miRNA target genes.

Lead a team of Account Managers, building relationships with key partners and driving their business growth on a global digital platform.

The Country Manager will develop and execute the company's commercial strategy for Germany, driving sales of IoT and Cast solutions across industrial, commercial, and public sectors. This role requires proven B2B sales experience in the German energy sector, a strong understanding of German energy regulations, and excellent German and English communication skills.

Working student supports the optimization of large-scale PV designs, maintains a simulation model, and assesses technical improvements.

Drive standardization and optimization of financial and business processes across Clarios EMEA, with a focus on Record-to-Report. Lead month-end closing, reporting, SOX, and internal audit activities. Manage HQ cost and OE SG&A initiatives, enhance planning, forecasting, and reporting processes. Serve as the primary interface to the Shared Service Center and Global FP&A organization. Lead strategic initiatives and transformation programs, including ERP transformation and M&A activities. Provide people leadership, talent development, and organizational alignment.

Head of Investor Relations will manage the LuxExperience investor network, prepare earnings calls and presentations, and communicate with analysts and investors. Requires 3-7 years of investor relations experience, strong communication and analytical skills, and experience with US or UK listed companies.

Process Engineer responsible for analyzing, developing, and improving production processes. Duties include coaching on problem solving, creating standards to eliminate issues, and executing product tests. Requires a bachelor's or master's degree in a technical field and strong analytical and communication skills.

Lead Project Development Manager will drive the development of utility-scale battery storage, wind, and solar projects in Germany. Responsibilities include identifying opportunities, leading permitting and grid processes, and supporting project economics and financing. Requires 4+ years of renewable energy project development experience, German permitting knowledge, and fluency in German and English.

Senior Network Solution Architect designs, develops, and supports complex enterprise network environments. Focus areas include network architecture, integration, consulting, and operational excellence. Requires expertise in Cisco-based environments, ACI, WLAN, WAN, and cloud/network infrastructure.

Medical Monitor provides medical expertise for global clinical trials, ensuring patient safety and protocol adherence. Advises clients, project teams, and regulatory agencies on medical matters. Reviews clinical data, addresses safety issues, and collaborates on clinical development plans and reports.

Evaluates and qualifies global supplier network for scalability, cost-efficiency, and sustainability. Develops improvements with suppliers to achieve growth targets. Analyzes supplier processes and implements measures to reduce risk and improve performance. Ensures supply chain compliance with regulations and standards.

Senior Project Development Lead will identify and assess opportunities for wind and solar energy projects. Lead end-to-end development through all phases up to RTB stage, ensuring alignment with economic viability, regulatory requirements, and strategic objectives.

Senior HR Business Partner to lead HR strategy and operations for the DACH region. Drive workforce planning, organizational design, and talent development initiatives. Support senior leadership and contribute to building the HR function.

Lighting & Special Effects Technician to support the Lighting & Special Effects team. Responsibilities include running follow spot/deck cue tracks, maintaining cue track documentation, inspecting and maintaining Lighting & Special Effects equipment, and supporting show needs during rehearsals and performances.

Junior Legal Counsel sought for Group Corporate Legal team. Supports corporate and regulatory matters, including contract review, governance, M&A, and compliance. Requires 1-3 years experience in corporate law and financial regulation. Fluent in English and German.

Lead a team of Account Executives focused on cross-selling Personio Payroll to existing customers. Develop and coach a high-performing team to drive payroll adoption for mid-market companies. Achieve monthly and quarterly goals, analyze data to optimize sales processes, and collaborate with cross-functional teams to execute go-to-market strategies.

Field Service Technician/Automation Specialist to maintain, troubleshoot, and commission automation equipment. Responsibilities include customer support, training, and documentation in German and English. Requires PLC programming experience (Siemens, Fanuc, Heidenhain) and a technical background. Frequent travel throughout Germany is expected.

The Senior Data Modeler defines and governs enterprise-grade data models, translating business concepts into scalable data structures. This role designs models for cloud-native platforms, ensures interoperability, and mentors data analysts. Responsibilities include leading data modeling workshops, enforcing standards, and collaborating with architects and engineers.