security germany English-speaking jobs in Siegen

Senior Specialist Global Functional Process Owner Order-to-Cash Finance is responsible for owning and maintaining global Order-to-Cash (O2C) processes, including Customer Master Data, Invoicing and Billing, Cash Applications, Collections, Dunning & Accounts Receivable Management. This role establishes and maintains global standards for O2C processes, identifies process improvement opportunities, and manages a third-party business process provider.

Research Associate (75% position) with opportunity to pursue a PhD in Innovation Leadership. Focus on international market expansion strategies, particularly in India and global markets.

Lead a multidisciplinary team in the development and industrialization of recycled aluminum products. Manage departmental resources, develop team members, and drive innovation. Contribute to strategic technology projects and collaborate across departments.

As a Field Application Engineer, you will be the technical point of contact for customers in industrial automation, robotics, and medical devices. You will provide technical expertise, support sales efforts, and manage customer relationships.

Lab Manager responsible for formulation development of animal health products. Requires 3+ years experience in pharmaceutical industry with expertise in oral dosage form development and process scale-up. Must have strong knowledge of GMP and regulatory guidelines. Fluency in German and English required.

Senior Account Executive will drive revenue across Amazon Ads strategic priorities, focusing on programmatic and brand-building advertising solutions. Responsibilities include generating advertising revenue, building relationships with agencies and advertisers, and leveraging AI tools to drive sales efficiency. Travel up to 50% across EU5 is expected. Fluency in German and English is required.

The Payroll Manager is responsible for all payment activities within the German Payroll run (approx. 700 employees). This role reports to the Senior Payroll Manager and is based in Basel, Switzerland. The position is initially for six months with the possibility of becoming permanent.

The ifa – Institut für Auslandsbeziehungen seeks a Secretary General to lead and develop its art and civil society programs. The successful candidate will manage the Institute's affairs, implement its new strategy, and secure third-party funding.

ERP Specialist needed for IT department. Troubleshoot and resolve ERP and application issues, ensure system stability, and collaborate with business units. Lead and manage ERP projects, monitor vendors, and support SOX, GDPR, and security compliance. Minimum 5 years IT experience with strong ERP support, degree in related field, and technical expertise in ERP, MRP, BI, and CRM systems.

Lead and develop the IT team, defining and implementing IT strategy aligned with company goals. Oversee support across Microsoft 365, Active Directory, networking, VPN, and Windows/Linux server environments. Ensure stable and secure operation of all IT systems and endpoints. Manage IT procurement, assets, and inventory. Regular travel to the UK is mandatory.

Enterprise Architect needed for a utilities client in Berlin. Experience in infrastructure, SecOps, and digital architecture is required. Strong AI experience (Claude, Make, CoPilot, Zapier, OpenAI, Lovable) is essential. Responsibilities include setting architectural standards, leading a technical design authority, and contributing to AI adoption across the group.

Responsible for administrative service support for local, expatriate, and business travel employees in Germany. Optimizes and implements administrative service processes and standards based on company policies and local business needs. Coordinates daily office operations, including meeting organization, client reception, and EHS safety management. Collects service requests, identifies service shortcomings, and drives continuous improvement. Manages administrative suppliers, expense review, and payment. Requires a bachelor's degree or above, at least 3 years of administrative experience, and proficiency in English and German.

Scientific Research Assistant (Doctoral) to develop, evaluate, and integrate Neurosymbolic AI systems for scientific workflows. Tasks include designing AI architectures, integrating LLMs, and developing data-driven models. Requires a Master's degree in Computer Science, Data Science, AI, Mathematics, or a related field.

As a Cyber & Network Engineer, you will ensure and advance cybersecurity standards across production and security networks in the DACH Region, Benelux, and The Netherlands. Responsibilities include conducting cybersecurity surveys, implementing regulatory requirements, managing projects, and integrating new technologies.

Private Equity Analyst (Analyst 2/3 level) to support minority and buy-out investments in German Mittelstand businesses. Responsibilities include financial modeling, due diligence, and investment committee materials. Requires 2+ years of experience in Investment Banking, M&A, or leveraged finance.

Financial Controlling Specialist supports Shared IT organization with budget and capacity planning, financial reporting, forecasting, and closing activities. Provides financial transparency and insights to management and stakeholders. Requires 8-12 years of experience in financial controlling, proficiency in SAP modules and MS Office applications, and strong analytical and communication skills.

Manages and releases orders, tracks inventory, and provides reporting. Collaborates with internal and external teams on order fulfillment, marketing, and sales strategies. Prepares presentations and reports. Requires a bachelor's degree and 2+ years of retail sales planning experience.

PhD student to investigate human kidney adaptation using single-cell and translational approaches. Focus on building a longitudinal single-cell and spatial atlas of kidney adaptation and establishing patient-derived organoid and tubuloid models.

Assistant Breeder will plan, coordinate, and execute yield and nursery trials, including data collection and analysis. Requires a Master's degree in a relevant field, strong organizational skills, and fluency in English and German.

Lead and develop the accounting team, stabilize existing structures, and build scalable financial processes. Ensure accurate and timely financial reporting and compliance with HGB. Analyze and optimize accounting processes, drive standardization and automation. Collaborate with internal and external stakeholders, providing financial insights and ensuring transparency.