37 English-speaking jobs in Jena

Internship or thesis focusing on wave optical propagation algorithms for micro-optical structures. Students will investigate and compare algorithms for applications like optical waveguides and printed micro-optic components.

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.

Postdoctoral Researcher position in electrochemical energy storage and material design. Focus on the project "USE-G" which aims to develop a circular economy for graphite materials in the European battery industry. Responsibilities include structural and electrochemical characterization of graphite electrode materials, establishing a chlorine treatment process for graphite purification, and collaborating with project partners. PhD in chemistry (or related disciplines) with a focus on inorganic chemistry/electrochemistry/chemistry/materials chemistry is required.

soonami GmbH seeks an Entrepreneur in Residence with proven startup experience and expertise in AI or Web3. Selected candidates will participate in a 10-day sprint and build their startup as part of a 3-month program.

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

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.

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.

Develop, support, manage, and optimize the global Genesys Cloud based Contact Center Solutions at ZEISS. Collaborate with business units and IT teams to ensure solutions meet customer needs. Implement Genesys Cloud solutions and integrate them with CRM and backend systems.

As a Working Student Content Management System, you will develop communication strategies, documentation, and training concepts. You will manage the Learning Management System (LMS) and contribute to the design and documentation of learning experiences.

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.

Intern - Optical Applications will track publications and patents related to optical wireless communication, optical display, and other optical applications. The intern will perform industry trend analysis, design optical components, and assist with device specifications and prototype development.

Student assistant to enhance 3D calculation algorithms and assemble/characterize a validation system. Prototyping, implementation, and testing of software (Python, C++) are required.

Designs and owns scalable RevOps processes and systems, with a focus on Channel Operations. Maintains and evolves the Salesforce architecture, ensuring data integrity and system reliability. Builds and optimizes automated workflows using APIs and LLMs to scale GTM operations. Owns the technical architecture of the revenue stack with a focus on Channel & Partner Operations, including Experience Cloud / Partner Communities.

Student assistant will develop a demonstrator for swarm-based optical manufacturing. Tasks include developing systems for phase-measuring deflectometry, integrating sensors, actuators, and robotics, and developing software for sequence control and analysis.

Leads security strategy and execution for a cloud-hosted AI operating system. Builds and scales a security organization, partnering with engineering to ensure secure and rapid product development. Requires proven leadership in cloud-native security and a track record of implementing scalable security controls.

Senior Windows Systems & Virtualization Engineer will design and implement the Windows execution layer for Warmwind OS, enabling seamless automation of Windows applications. Responsibilities include developing pipelines for remote desktop streaming and building virtualization infrastructure for managing Windows Server/VM environments. Must have deep expertise in Windows internals, Remote Desktop technologies, virtualization, and systems programming.