controller English-speaking jobs in Aachen

Research Associate (m/f/d) in the field of “Integrated photonic resonators for molecular sensing”. The position involves experimental work on the development of photonic resonator cavities for molecular sensing, including exploring multi-signal approaches. Collaboration with specialists in optics, microelectronic design, clean-room processing, and advanced micro/nano metrology is required.

Provides customer service support to customers utilizing effective relationship management skills. Responsible for order management throughout the order life cycle, complaint management, and additional office duties.

Leads complex, cross-functional commercialization programs from feasibility through post-launch review. Manages project scope, timeline, risks, and resource allocation. Partners with bottler project teams and cross-functional leadership. Requires 5-8 years of experience in Technical Operations, R&D, or Supply Chain. Bachelor's degree required.

Senior Sales Manager to drive the success of Tieto's Financial Services business in Central Europe. Lead strategic sales initiatives, build customer relationships, and expand Tieto's footprint in the Financial sector.

Wave Optics Design Expert sought for research and development of HOEs and metasurfaces for optical displays and automotive LiDAR. Requires PhD in Optics and experience designing HOE or metasurface devices. Proficiency in optical design/simulation tools is essential.

Experienced Project Engineer needed for technical projects in production and infrastructure. Responsibilities include planning, execution, and coordination of projects, stakeholder management, and compliance oversight. Degree in a relevant engineering field and proven project experience required.

Senior Channel Sales Representative will develop and execute account plans for existing channel partners in the DACH region, maximizing product and service portfolio utilization to achieve sales targets and sustainable growth. The role involves building long-term relationships with channel partners, supporting sales opportunities, and developing new partnerships. Requires a proven track record in channel management and sales, with experience in the AIDC or IT industry.

The Threat Intelligence Specialist safeguards Deutsche Börse Group's global operations against cyber threats. This role collects, analyzes, and delivers actionable intelligence to guide business decisions and reduce risk. The expert collaborates with Security Operations, Incident Response, Data Protection, and Risk Management teams.

Architect the brand strategy for a pet technology product. Full-stack marketing responsibility including GTM strategy, brand positioning, growth, content, community, and partnerships. Proven track record scaling B2C products with 4+ years of experience, at least 2 in a startup environment.

Freelance Project Manager needed for large-scale solar PV and BESS projects in Germany and Europe. Manage project delivery from construction to commissioning, coordinating workstreams, subcontractors, and documentation.

External Communications Intern to support the Springer Nature External Communications team. Responsibilities include writing and editing press releases, distributing materials to media, coordinating with freelancers and press offices, and monitoring press coverage. Requires a science or liberal arts degree, excellent English and German language skills, and strong journalistic and communication experience.

Senior Quantity Surveyor to manage construction projects in Germany, focusing on industrial, data center, and office fit-out projects. Requires 5+ years' experience, fluency in German and English, and a degree in Quantity Surveying or related field.

Senior QA Engineer needed for end-to-end (E2E) testing using Java-based frameworks (TestNG, JUnit) or Cypress. Design, develop, and maintain automated test scripts, focusing on data-driven risk reduction and performance testing. Collaborate with cross-functional teams to ensure thorough testing of features and functionalities.

This Global Buying Graduate role involves managing orders, samples, and supplier communication, collaborating with cross-functional teams, and traveling to Asia to visit production partners.

Manage and grow a portfolio of German-speaking clients, build relationships, and achieve sales targets. Fluent German and English required, previous sales experience preferred. Relocation to Barcelona included.

Solution Consultant for Finance & Controlling Applications/SAP FI needed. Minimum 3-5 years experience in SAP, especially SAP-FI (ECC, S/4 HANA). Experience in consulting, requirement analysis, and international finance processes required. Degree in business administration, international management, business informatics, or similar.

Develop, maintain, and analyze integrated project schedules for Battery Energy Storage System (BESS) projects. Ensure reliable execution, progress visibility, and schedule risk identification.

Jitterbit seeks a driven Inside Sales Representative to cultivate new business opportunities and close deals within the DACH region. The ideal candidate will have a proven track record of B2B technology sales success and a passion for exceeding expectations.

EHS Lead responsible for developing and implementing safety management systems, conducting risk assessments, and investigating incidents. Leads training, audits, and emergency response planning. Manages environmental compliance and promotes health and wellness programs. Requires 5 years' experience and a Level 7 or 8 National Framework Qualification equivalent.

Provide on-site diagnostics and repairs for Cowboy e-bikes in Hamburg. Travel to customer locations, use diagnostic tools, and deliver a positive repair experience. Must be customer-oriented, reliable, and comfortable working independently. Freelance/self-employed status required. German and English fluency needed.