46 English-speaking jobs in Jena

The Abbe Center of Photonics seeks a Scientific Assistant to establish an independent research group in photonics, connected to the Nano & Quantum Optics research group. Responsibilities include teaching in various photonics and physics programs and pursuing a scientific qualification project.

Estimator responsible for technical/commercial aspects of sales projects. Collaborates with engineering, sales, supply chain, and legal teams. Defines project costs, prepares bills of quantities, and supports commercial negotiations. Requires a Master's degree in engineering or equivalent experience, fluency in English, and strong communication and organizational skills.

Develop and maintain customer projects using PHP and Laravel. Design and build REST APIs and integrate with frontend applications. Write and maintain comprehensive tests and participate in technical planning sessions.

Analyze and redesign a global finance and sales process, identifying automation and optimization potentials. Develop future-proof solutions using modern tools and collaborate with international teams in an English-speaking environment.

Senior Consultant Datacenter-Infrastructure designs and develops IT architectures and operational landscapes in data centers. Leads and manages data center consolidations, assessments, and innovation projects. Advises clients on project design and implementation. Requires a degree in Computer Science and several years of experience in IT consulting and/or engineering/architecture of data centers.

Postdoctoral Scientist position available at the Plant Microbiosis Lab, Friedrich Schiller University Jena. The project investigates drought legacy effects on tree crown microbiome, chemodiversity, and insect herbivores. Responsibilities include field sampling, data analysis, synthetic microbiome experiments, and publication of research findings.

Internship or thesis opportunity investigating wave optical propagation algorithms for applications like optical waveguides and micro-optic components.

soonami GmbH seeks an Entrepreneur in Residence to build their startup within a 3-month program. Applicants must demonstrate experience launching or scaling a startup, expertise in AI or Web3, and strong remote work skills.

Provide customer service support to clients in the travel industry. Assist with travel planning, reservations, and inquiries.

Strategic Marketing Manager for ZEISS Refractive business. Develops and implements marketing strategies, product launch plans, and collaborates with global and local teams to drive business growth. Requires a Bachelor's/Master's degree in Marketing, Business Administration, or Science, 5+ years of marketing experience, and fluency in English.

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

Internship or Master thesis focused on topological optical metasurface design and optimization. Evaluate and develop design techniques, simulate and design test metasurfaces, and contribute to experimental structure definition.

The Head of the Data Center will lead the planning, design, implementation, and ongoing development of a new central unit at the Max Planck Institute of Geoanthropology. This role involves managing a team of five staff members, developing data acquisition and compilation workflows, and designing, implementing, and maintaining databases. The successful candidate will have experience managing multidisciplinary teams, a PhD in Computer Science or a related field, and expertise in distributed databases, large-scale data management, and data archiving.

The Head of Security will design, build, and scale a security foundation for Warmwind's AI-native operating system. This role requires proven leadership in cloud-native security, experience turning security vision into scalable controls, and strong technical depth.

The Junior Group Chemical Biology seeks a Scientific Researcher to conduct experimental research in chemical biology, focusing on protein biochemistry, microbiology, and chemical probe development.

The Junior Group Chemical Biology seeks a Postdoctoral Researcher to develop and manage research projects focused on chemical proteomics, microbiology, and automation. The successful candidate will supervise students, assist with laboratory operations, and possess a PhD in a relevant field with experience in proteomics, microbiology, and enzyme assays.

The Leibniz-HKI seeks a Network Manager to support the Fellows4Fungi EU-funded MSCA COFUND postdoctoral program. Responsibilities include program management, coordination, communication, dissemination, outreach, administrative support, and strategic program development.

Define software architecture and contribute to developing next-generation lithography systems. Analyze system requirements, collaborate on technical specifications, and propose solutions.

The Leibniz-HKI seeks a Network Manager to oversee the Fellows4Fungi EU-funded MSCA COFUND postdoctoral program. Responsibilities include program management, coordination, communication, dissemination, outreach, administrative support, and strategic program development.

Develop new recipes and improve existing ones for a healthy meal delivery service. Collaborate with cross-functional teams to ensure recipes meet nutritional, cost, and production targets. Analyze customer feedback and market trends to inform recipe development.