63 germany English-speaking jobs in Jena

Chief Operating Officer (COO) Position Overview We are seeking a Chief Operating Officer (COO) to oversee day‑to‑day administrative and operational functions of the business. Reporting directly to the CEO, the COO ensures the company executes its strategy efficiently, drives operational scalability, and maintains a high‑performance culture across all departments.

We are a top address in the IT world, focusing on optimizing our clients' core business processes. Through tailored IT solutions, we help our clients maximize their business potential and leverage current technologies. Our success is driven by our people — bringing ideas, expertise, and technologies together to shape the future at adesso.

Your mission Develop and execute a regional go-to-market and sales strategy to grow Tunz and DT One’s client base across app-driven, fintech, and digital wallet sectors. Build and manage senior-level relationships, including C-Suite stakeholders, across leading app ecosystems, super apps, fintechs, and digital platforms.

The Corporate Information Technology (CIT) is the central part of the company’s strategy, developing and implementing innovative security solutions to enhance efficiency and competitiveness in the Carl Zeiss Group. By working closely with various business units, CIT ensures that technological advancements and digital transformations are seamlessly integrated into business processes.

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.

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.

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.

PhD Student (f/m/d) in modeling and simulation of CO₂ capture at HIPOLE Jena Reference No. : HI /8 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.

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.

About the opportunity We are seeking a Senior Reliability Engineer to join the Platform Engineering Domain in the Scalability Team. The mission of Platform Engineering is to provide trusted, performant, self-service platforms that empower product teams to build “the bank the world loves to use. ” Scalabilitys part of this mission is to develop solutions for container orchestration.

Your mission Develop and execute a regional go-to-market and sales strategy to grow Tunz and DT One’s client base across app-driven, fintech, and digital wallet sectors. Build and manage senior-level relationships, including C-Suite stakeholders, across leading app ecosystems, super apps, fintechs, and digital platforms.

The Max Planck Society is one of Europe's leading research organizations and conducts basic research in the natural sciences, life sciences, and humanities. The Max Planck Institute for Chemical Ecology in Jena carries out fundamental research on how organisms communicate with each other via chemical signals.

The Max Planck Society is one of Europe's leading research organizations and conducts basic research in the natural sciences, life sciences, and humanities. The Max Planck Institute for Chemical Ecology in Jena carries out fundamental research on how organisms communicate with each other via chemical signals.

Optimus Search is collaborating with a well-established technology company based in Jena , recognised for its long-standing contribution to the semiconductor industry .

Optimus Search is collaborating with a well-established technology company based in Jena , recognised for its long-standing contribution to the semiconductor industry .

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.

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.

About us Our client, a leading tech company in the fast-evolving smart mobility sector, is looking for a Fullstack . NET Developer to join their innovative team. With over 25 years in the market, this company has established itself as a pioneer in building intelligent transportation solutions, leveraging the latest Microsoft technologies to revolutionize urban mobility systems across Europe.

Position Overview We are seeking a Chief Operating Officer (COO) for overseeing the day-to-day administrative and operational functions of the business. Reporting directly to the CEO, the COO ensures the company executes its strategy efficiently, drives operational scalability, and maintains a high-performance culture across all departments.

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.