16 English-speaking jobs in Jena

Accountant to manage tax compliance and financial reporting for a global datacenter services provider. Responsibilities include global reporting, tax preparation, accuracy maintenance, process optimization, and financial advisory. Requires 3+ years of experience in international tax and compliance, proficiency with accounting software, and strong communication skills.

EIT Water seeks its inaugural Chief Executive Officer to lead the organization through its start-up phase and long-term growth. The CEO will be responsible for strategic leadership, operational excellence, financial sustainability, and stakeholder engagement, ensuring measurable impact aligned with the European Institute of Innovation and Technology (EIT) and EU policy objectives.

EIT Water seeks a Chair and eight Supervisory Board Members to oversee strategic direction, approve Business Plans, and appoint leadership. Board members contribute strategic oversight, sector expertise, and governance experience.

Conduct independent and collaborative research on computational modeling and simulation of bacterial dynamics. Contribute to academic publications and collaborate with experimental partners.

University Assistant Predoctoral position in Environmental Geochemistry of Mineral-Associated Organic Matter. Research will focus on the molecular interactions between mineral surfaces and organic molecules. Responsibilities include research, teaching, and administrative tasks.

Senior Backend Engineer will design, develop, test, deploy, and maintain software using a JVM language and Spring Boot in large-scale production systems. Experience with microservice architecture, relational and non-relational databases, and AWS is required.

Develops and implements long-term strategic vision for microscopy business in Life Sciences and Pharma. Guides strategy, manages implementation, and leads strategic projects.

A postdoctoral researcher is sought to advance MINFLUX microscopy for microbial research. The successful candidate will optimize MINFLUX microscopy for biomembrane research and apply it to projects within the Cluster of Excellence “Balance of the Microverse”. Responsibilities include performing experiments, analyzing results, writing publications, presenting findings, and collaborating with other researchers.

The Friedrich Schiller University Jena seeks a Postdoctoral Researcher to characterize a cultivated parasitic bacterium and its host from groundwater. The position involves maintaining the host-parasite system, conducting experiments, analyzing multi omics data, and contributing to publications.

PhD student (scientific employee) position available at the Astrophysical Institute and University Observatory. The position is part-time (50%, 20 hours per week) for three years. The successful candidate will conduct research in observational astrophysics, participate in observations, and contribute to publications.

Develop software tools for data management, conduct literature research, and collaborate on projects.

Global HR Process Owner for HR payroll and absence will own and govern standardized global processes, lead global roll-outs, and partner with HR, IT, and Finance to translate business needs into system design and deployment.

Huawei's Kepler Research Center in Jena seeks an Optics Research Intern to design optical systems and freeform mirrors for optical display and picture generation units. The intern will track advanced technologies, perform research and design work, and collaborate with team members.

Drive sales and manage customer relationships in the construction, mobility, and industry sectors. Manage and grow customer platforms, focusing on high-potential customers. Promote Berner as a premium brand and handle objections, delivery, and quality claims. Analyze sales area KPIs and report to superiors. Collaborate with the sales team to achieve performance targets.

Expert Researcher will perform research and design work in mobile phone imaging lenses and optical architectures. Responsibilities include full design cycle of optical systems, analysis of designs, integration of optical development infrastructure, and collaboration with cross-functional teams.

Internship opportunity for a student in physics, engineering, or related fields to design, implement, and evaluate a light microscope.