23 English-speaking jobs in Jena

Accountant to manage tax compliance and financial reporting for international operations. Responsibilities include global reporting, tax preparation, and process optimization. Requires 3+ years of accounting experience with international tax and compliance.

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.

Develop customized, scalable Freestyle SAPUI5 applications based on SAPUI5, OData, JavaScript, and ABAP. Actively help shape system architecture and take responsibility for company-wide applications. Serve as a technical sparring partner for business units and development colleagues. Drive code reviews, performance optimizations, and set technical standards. Coach and mentor junior colleagues.

Sales Excellence Manager supports the development of a data-driven sales setup within the Micro Matic Group. The role focuses on pricing, pipeline transparency, and sales performance across regions. Responsibilities include analyzing margin development, preparing pricing reviews, and tracking sales KPIs. The position requires 5+ years of experience in sales analytics, commercial excellence, consulting, or finance.

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.

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.

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.

PhD position in Inorganic & Materials Chemistry. Requires a Master's degree in Chemistry, Materials Science, or related field with a strong background in inorganic or materials chemistry. Experience in materials synthesis and characterization is essential. Fluency in English is required.

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, strong English communication, and independent work ethic.

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.

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.

Postdoctoral Researcher in Antifungal Natural Product Discovery will conduct high-throughput experiments, analyze project results, and contribute to publications. The position requires a PhD in a relevant field, experience with co-cultivation and microscopy, and a strong background in natural product discovery.

Doctoral Researcher in Organic Chemistry will conduct laboratory experiments, analyze data, and contribute to a research project focused on developing novel synthetic methods for peptide modification.

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.

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.

Global HR Process Owner for core HR processes. Develops, standardizes, and governs global HR process templates. Leads global rollouts and ensures compliance with local legal requirements. Partners with HR leaders, IT, and vendors to translate business needs into system design and deployment.

Recruit Data Center Technicians (DCTs) across Asia-Pacific. Source, screen, and assess technical skills through interviews and practical evaluations. Build and maintain a vetted DCT pool, manage onboarding, and track performance. Requires 3+ years of recruiting experience and knowledge of DC infrastructure.

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.

AFS GmbH is seeking Bachelor and Master students in photonics engineering or applied physics for internship opportunities within the Phortify program. Internships include thesis projects and involve hands-on experience in laser technology research.