44 English-speaking jobs in Jena

Your mission Own the onboarding journey for new B2B partners, ensuring smooth integration, training, and activation of Tunz’s eSIM and connectivity services. Serve as the primary customer contact throughout the lifecycle — managing renewals, performance reviews, and proactive success planning.

CONTACT PERSON Larissa Müller LOCATION Amsterdam Over 160 stores, 16,000 employees, 120 years' experience: at the international fashion company Peek & Cloppenburg, with its headquarters in Vienna and Düsseldorf, traditional family values meet a dynamic industry. For us, fashion isn't just a product - it's our common language.

We are a fast growing and leading global information and communications technology (ICT) solutions provider. Driven by a commitment to operations, ongoing innovation, and open collaboration, we have established a competitive ICT portfolio of end-to-end solutions in Telecom and enterprise networks, Devices and Cloud technology and services.

At the high-tech site in Jena, we are looking for a committed individual with vision and organizational talent to safeguard the demanding production process. If you are the interface between procurement, production and logistics and are passionate about ensuring that everything is in the right place at the right time, this is your chance.

With more than 3 million registered students, we are transforming the education market. For our users, we are an integral part of their daily lives, as they find direct access to their fellow students, helpful learning materials and all the answers to their most important questions about their studies. Design, build, and maintain reliable, scalable backend systems with Laravel.

CONTACT PERSON Larissa Müller LOCATION Amsterdam Over 160 stores, 16,000 employees, 120 years' experience: at the international fashion company Peek & Cloppenburg, with its headquarters in Vienna and Düsseldorf, traditional family values meet a dynamic industry. For us, fashion isn't just a product - it's our common language.

With more than 110 years of industry experience, we combine engineering excellence and global manufacturing with a passion for cutting-edge innovation enabling transformative advancements in the automotive, industrial, medical, and consumer industries.

About us Optimus Search is working exclusively with an established and forward-thinking software provider that develops cloud-native SaaS solutions for the retail and distribution sectors. Known for its innovation-driven culture, flat hierarchies, and commitment to employee well-being, the company is now looking for a Cloud Solutions Engineer to join their agile Cloud Competence Team.

About usOptimus Search is working exclusively with an established and forward-thinking software provider that develops cloud-native SaaS solutions for the retail and distribution sectors. Known for its innovation-driven culture, flat hierarchies, and commitment to employee well-being, the company is now looking for a Cloud Solutions Engineer to join their agile Cloud Competence Team.

With a broad range of disciplines, it shapes the future through excellent research and teaching. Its scientific excellence is reflected in the profile areas Light – Life – Liberty, which provide pioneering insights and sustainable solutions for the society of tomorrow.

We are a fast growing and leading global information and communications technology (ICT) solutions provider. Driven by a commitment to operations, ongoing innovation, and open collaboration, we have established a competitive ICT portfolio of end-to-end solutions in Telecom and enterprise networks, Devices and Cloud technology and services.

Postdoc (w/m/d) for Electrochemical CO₂ Separation at HIPOLE Jena Reference No. : HI /9 Achieving climate-neutrality within the next 20 years necessitates an innovation boost for the development of highly efficient, scalable, low-cost, and sustainably produced energy technologies. Polymer materials play a central role in this process.

About Reboot Monkey: Reboot Monkey is a leading provider of comprehensive data center management solutions, offering services such as managed colocation, smart hands, and rack and stack solutions. We ensure fast deployment, smooth operation, and secure management of critical digital data for businesses worldwide.

PhD Student (w/m/d) for Redox-Active Polymers at HIPOLE Jena Reference No. : HI /12 Achieving climate-neutrality within the next 20 years necessitates an innovation boost for the development of highly efficient, scalable, low-cost, and sustainably produced energy technologies. Polymer materials play a central role in this process.

JOB DESCRIPTION Project Manager / Delivery Assurance for SAP and ServiceNow (f/m/d) Full time Empowering You – to feel our passion for technology As NTT DATA Business Solutions, we are more than just a company. We are a team of passionate people who drive innovation – from advisory and implementation to managed services and beyond.

We are a fast growing and leading global information and communications technology (ICT) solutions provider. Driven by a commitment to operations, ongoing innovation, and open collaboration, we have established a competitive ICT portfolio of end-to-end solutions in Telecom and enterprise networks, Devices and Cloud technology and services.

Job Summary We are seeking a creative and detail-oriented UI/UX Designer to design intuitive, engaging, and visually appealing digital experiences. You will collaborate closely with developers, product managers, and other stakeholders to translate user insights and business requirements into functional, elegant interfaces that enhance usability and customer satisfaction.

Project Manager / Delivery Assurance for SAP and ServiceNow (f/m/d) Full time Empowering You – to feel our passion for technology As NTT DATA Business Solutions, we are more than just a company. We are a team of passionate people who drive innovation – from advisory and implementation to managed services and beyond.

We are a fast growing and leading global information and communications technology (ICT) solutions provider. Driven by a commitment to operations, ongoing innovation, and open collaboration, we have established a competitive ICT portfolio of end-to-end solutions in Telecom and enterprise networks, Devices and Cloud technology and services.

The successful applicant will join the team led by Prof. Sebastiano Bernuzzi and work on numerical relativity simulations of neutron star mergers. The position is part of a cross-border project between Jena and Prof. David Radice’s group at Penn State University (USA).