controller English-speaking jobs in Aachen

Experienced Corporate Lawyer (m/f/d) with a focus on transactions and M&A sought to manage domestic and cross-border deals, lead M&A execution and integration, and provide legal advice to stakeholders.

Quality Engineer responsible for monitoring, analyzing, and improving product and process quality. Conducts audits, inspections, and root cause analyses. Develops and maintains quality documentation and ensures compliance with standards. Collaborates with suppliers to manage quality deviations and complaints. Requires a degree in quality management, electrical or mechanical engineering, and experience in a manufacturing environment.

Develop and lead innovative research projects in cognitive neuroscience. Coordinate experimental activities and support PhD researchers. Publish in international journals and present findings at conferences.

Leads a team of eight employees in the implementation, development, and integration of core applications. Responsibilities include managing tasks, resources, and priorities, planning software rollouts, and coordinating technical requirements. Also manages document management and digitization systems, application and development management, and contributes to IT strategy development. Requires a degree in (Business) Computer Science, experience in standard software implementation, and leadership experience.

At Keenfinity, we are passionate about innovative and professional security and communication solutions—with approximately 4,200 employees in over 50 countries worldwide. Our mission is clear: We develop more than just technology—we secure, connect, and enrich life's most important moments.

The CFO will partner with the Group CEO, shareholders, and advisory board, driving financial planning, budgeting, and liquidity management. The role involves establishing KPI-driven reporting structures, managing a lean holding structure, and supporting an ambitious buy-and-build strategy. The ideal candidate has experience in due diligence, financial analysis, and performance steering within private equity-backed businesses.

Fleet Repair Manager / Project Manager needed for Travemünde office. Leads and coordinates mobile repair teams, plans and supervises on-board repairs, manages technical projects, and ensures work meets technical, operational, and economic requirements. Requires a technical degree or comparable qualification, relevant maritime experience, and strong English skills.

Site Reliability Engineer will design, build, and maintain reliable and scalable infrastructure for a global SaaS platform. Collaborate with engineering teams to implement SRE practices in a cloud-native environment. Develop and maintain monitoring, alerting, and automation systems. Participate in on-call rotations and contribute to infrastructure improvements using tools like Terraform, Kubernetes, and Argo CD.

Senior Auditor (m/f/d) supports the Internal Audit unit in enhancing and protecting the organization's value by providing independent and objective audit services. Conducts risk-based audits at group companies globally, analyzes business processes, identifies risks, and develops audit programs. Documents work steps, prepares audit results, and communicates them to senior management.

Senior Technical Manager to lead technical delivery of complex identity management projects globally. Experience in secure identity systems, biometric solutions, and infrastructure projects required. Must have strong leadership, communication, and coordination skills. Fluency in English, German, and/or French preferred.

PostDoc position in adaptive and robust control of wind turbines and wind farms. Develop control algorithms for grid integration, power maximization, and load/noise reduction. Validation of algorithms under uncertain conditions using simulation and experimental testing. Collaboration with industry and academic partners. Requires a PhD in Mechanical Engineering, Physics, or equivalent, with expertise in control engineering and programming (Matlab or Python).

Field CTO / Head of Technical Evangelism to lead technical conversations in enterprise sales cycles. Translate architecture into business value and build a team of evangelists. Must be comfortable speaking with CIOs and engineering teams.

Deliver and implement consulting projects for construction industry clients, advising on topics like industrialization, digital transformation, and strategic development.

Support value stream mapping and AI-supported process optimization projects. Gain insights into production operations and contribute to improving efficiency.

Production Scheduler (m/f/d) for Airbus Defence and Space in Manching. Define Long, Mid, and Short Term Planning for A400M MRO & Retrofit program. Implement Master Production Schedule (MPS) routines and lead daily, weekly, and monthly MPS meetings.

Senior Implementation Consultant guides customers through ERP implementations, analyzing manufacturing processes and configuring solutions. Requires strong ERP knowledge, experience leading projects, and understanding of industrial business processes. Must be comfortable working in a growing market and willing to travel. Native German and professional English skills are required.

Senior Product Designer to lead UX/UI for web and future mobile app. Translate problems into flows, concepts, and prototypes. Collaborate with engineering and product to define and build features. Must have 6+ years experience shipping digital products, experience with complex applications, and a mobile-first design approach.

Leads the Independent Aftermarket portfolio for the full Clarios product line, overseeing P&L and driving product strategy, lifecycle management, and market success across EMEA. Manages a team of five product specialists and analysts, collaborating cross-functionally to support launches and lifecycle activities. Conducts market and competitor analyses, defines KPIs, and reports strategy, results, and plans to C-level management.

PhD position available at the Institute of Biology's Department of Plant Physiology. The project focuses on the zygote-to-zygospore transition in the alga *Chlamydomonas reinhardtii* using methods from plant physiology, biochemistry, analytical chemistry, and molecular biology.

Senior Manager responsible for supporting, managing, and coordinating SPORTFIVE's kit partnership portfolio. Identifies and secures new kit mandates from clubs and federations, primarily in Germany and Europe. Develops and manages relationships with sporting apparel brands and assists in contract negotiations.