testing English-speaking jobs in Jena

Develops and executes international marketing strategies for Merz Spezial, driving market expansion and growth outside the DACH region. Analyzes markets, identifies trends, and manages innovation projects from ideation to launch. Collaborates with cross-functional teams to ensure successful product launches and optimize product lifecycle strategies.

Leads local and global IT projects, primarily in data center operations, SAP Application Management Services, and system migrations. Manages project budgets, timelines, deliverables, and quality. Guides and supports project team members. Requires a degree in computer science, IT, or a related field and several years of experience managing IT projects, ideally with SAP involvement.

Customer service representative needed for full-time position. Processes customer emails, provides telephone and written communication, offers expert advice, and solves customer problems. Requires good German and Bulgarian language skills and proficiency in Microsoft Office.

SAP MM Retail Consultant required for long-term contract with a global brand. Deliver SAP MM full life cycle implementations and rollout projects across Germany and Switzerland. Strong SAP MM functional consultancy and solution design experience needed.

The Administrative Specialist & Executive Support provides high-level administrative, operational, and HR support to the Tübingen management team. This role coordinates calendars, meetings, travel, and office operations, serving as a key liaison between Germany and the US. The successful candidate will manage data, support internal communication, and assist with HR processes.

Develop and program PLC control systems for wafer processing tools. Integrate sensors, actuators, and fieldbus systems. Implement SECS/GEM or OPC UA interfaces for MES/ERP connectivity.

Creates, edits, and reviews technical documents ensuring compliance with standards and regulations. Utilizes SCHEMA ST4, SolidWorks Composer, and Adobe Creative Cloud. Researches technical information, plans documentation projects, and collaborates with cross-functional teams.

As a Service Manager, you will be the central contact person and project manager for service support (incident and problem management) for global air traffic control and airport customers. You will ensure timely analysis and rectification of faults in customer systems and advise customers on technical matters.

Support DACH sales teams with deep DEX expertise. Identify opportunities, run discovery, position TeamViewer's DEX value, and accelerate revenue. Coach sellers, support customer engagements, and shape Proof of Value (PoV) cycles.

Provide expert-level support for payroll processing, compliance, and system functionalities. Respond to customer inquiries via email, callbacks, and live chat, delivering timely, clear, and empathetic support. Collaborate with internal teams to troubleshoot issues and develop solutions.

IT Security Specialist will monitor security events, investigate alerts, and handle incidents. Experience with vulnerability management, SIEM tools, and incident response is required. Strong cybersecurity fundamentals and communication skills are essential.

Field Clinical Specialists provide clinical training on transcatheter heart valve technology to physicians and hospital staff. They will travel within an assigned territory, providing education on device handling, implantation, and troubleshooting. Responsibilities include case management, training curriculum development, and collaborating with cross-functional teams.

Lead an on-site technical team, ensuring smooth daily Data Center operations and excellent customer relationships. Drive a proactive, safe, and high-performance environment while optimizing resources and continuously improving processes.

The Customer Account Manager III, Germany will report to the German Customer Service Manager and work closely with Sales and Commercial personnel to support sales objectives. This role will oversee operational and administrative processes for the Customer Service department and assist in developing a world-class customer experience model. The Customer Account Manager III will handle a variety of customer inquiries, provide logistics and personalized customer service, and represent Customer Service in inter-departmental meetings.

Service Technician (m/f/d) for Wind Turbines in Velen. You will carry out on-site servicing and maintenance of wind turbines, repair turbines, and resolve faults. You will analyze error messages, identify causes, and document work digitally.

Critical Software seeks a visionary CTO to lead technology strategy and innovation, driving AI adoption and ensuring a position at the forefront of mission-critical software engineering. The CTO will define and lead the company's global technology vision, strategy, and roadmap, including AI transformation. This role requires 15+ years of technology leadership experience, deep expertise in software engineering, architecture, and multi-domain technology environments, and proven success driving large-scale digital transformation and AI adoption.

As a Junior Product Designer, you will design and develop on-trend products across multiple categories, including Deco, Tabletop, Kids, and Bathroom. You will collaborate with cross-functional teams and conduct trend research to support collection building.

Assembles and inspects products to ensure quality standards. Follows work instructions and diagrams to perform tasks such as assembling, testing, and packaging. Requires 2+ years of assembly experience and the ability to read and interpret work instructions.

As a Product Designer at koppla, you will collaborate with engineers, product managers, and other stakeholders to design and deliver user-friendly solutions for a next-generation collaborative scheduling platform for the construction industry. You will work in a fast-paced environment, iterating on designs and incorporating user feedback to create a high-quality product.

Freelance SAP Retail Solution Architect needed for a large-scale S/4HANA transformation program in the fashion/apparel sector. Focus on end-to-end solution design across supply chain and master data.