security English-speaking jobs in Leverkusen

Product Manager needed to define and execute product direction for a hospitality SaaS platform. Own product problem spaces, define KPIs, and collaborate with cross-functional teams. Fluent German and English required.

Part-time student software developer with a focus on game development sought. Develop interactive tools, prototypes, and visualizations. Support digital platform and software development.

Senior Network Solution Architect designs, develops, and supports complex enterprise network environments. Focus areas include network architecture, integration, consulting, and operational excellence. Requires expertise in Cisco-based environments, ACI, WLAN, WAN, and cloud/network infrastructure.

This full/part-time role at TUI BLUE Sylt, Germany, starting 01.03.2026, requires German fluency and certifications in Yoga, Functional Training, and Personal Training. You will lead group fitness sessions, plan activities, and engage with guests.

This 24-month graduate program provides structured experience in Controlling & Finance, including international placement. You will gain hands-on experience in financial processes, analyses, reporting, and process improvement. The program includes mentoring, feedback, and a clear development path leading to a key role after completion.

Payroll Specialist needed for part-time role (50%) in Hamburg. Manage monthly payroll for 250 employees across two locations, ensuring compliance with legal and regulatory requirements.

Experienced Warehouse Manager to lead day-to-day operations at a Berlin facility. Responsibilities include team leadership, process improvement, inventory management, and ensuring safety compliance.

Customer Service Specialist manages customer inquiries, processes, and ensures timely, high-quality service. Requires commercial training, foreign trade experience, and proficiency in ERP systems.

Medical Monitor provides medical expertise for global clinical trials, ensuring patient safety and protocol adherence. Advises clients, project teams, and regulatory agencies on medical matters. Reviews clinical data, addresses safety issues, and collaborates on clinical development plans and reports.

The Max Planck Institute for Political and Social Science seeks a Postdoctoral Fellow to conduct research on the coexistence of violent orders and democracy. The project examines the relationship between political and economic institutions, political violence, and its consequences for political outcomes.

Senior Sales Trader sought for a leading energy and environmental commodities trading house. Focus on biomethane, renewable gas, and transport related environmental products in the DACH region. Drive commercial growth, originate new business, and manage key client relationships.

The Chief Financial Officer will partner with the CEO and Management Team to drive growth and business performance. Responsibilities include business planning, performance management, due diligence, budgeting, financial reporting, and providing commercial analysis.

Support adjacent process areas (quality, development, production, logistics, investments) in the system relocation from SAP R3 to S4/HANA systems. Provide support, training, and project implementation expertise in SAP ERP/R3 and S4/HANA for FI- and CO-modules.

PhD student to study microbial regulation of colorectal cancer development using mouse models, organoids, and sequencing technologies.

Process Engineer responsible for analyzing, developing, and improving production processes. Duties include coaching on problem solving, creating standards to eliminate issues, and executing product tests. Requires a bachelor's or master's degree in a technical field and strong analytical and communication skills.

Maintain, support, and develop the SAP HCM system. Assist the HR department with system requirements and improvements. Analyze and resolve issues within the SAP HCM system. Perform SAP Basis activities including system integration, user management, and system monitoring.

Global Commodity Manager for indirect materials (PSA, MRO, fluids, gases) in a metal processing company. Develop and implement procurement strategies, manage suppliers, and contribute to cost reduction initiatives.

Site Reliability Engineer to implement and improve Just-In-Time (JIT) access solutions. Collaborate with the Cloud Control team to integrate security policies into infrastructure provisioning. Automate authorization flows for regulatory compliance.

Leads design, deployment, and system-level management of advanced network solutions focusing on automation and AI/ML integration. Drives automation and AI/ML-enabled capabilities across the architecture.

Leads teams and manages transaction engagements in Germany, Europe, and globally, advising on buy-side and sell-side transactions. Provides tax due diligence reports and transaction structuring advice. Manages the professional development of the team and networks with service lines and external partners.