management English-speaking jobs in Siegen

Partner Success Manager responsible for onboarding, training, and supporting partners in Germany. Builds and maintains relationships, monitors deal flow, and analyzes market trends. Requires experience in Partner Success, Customer Success, or software sales, fluency in German, and knowledge of ERP systems.

The Wholesale Credit Manager manages and safeguards the global wholesale financing portfolio for WIRTGEN GROUP dealers. This role ensures dealer financing adheres to credit standards, supports dealer operations, and mitigates credit risk.

Provide customer service to English and French-speaking independent sales consultants via phone, email, and chat. Support consultants in developing their businesses by offering guidance and information. Track and document inquiries and issues.

The General Counsel is FSC's senior legal leader, responsible for transforming the Legal & Compliance unit into a globally integrated, business-oriented capability. The role requires strengthening FSC's legal presence across the FSC Group, building internal legal capacity, and reducing reliance on outsourced legal advice. The General Counsel will provide strategic legal and compliance leadership, oversee global legal operations, and transform the legal function through process and systems improvement, team development, and external counsel management.

As a Sales & Marketing Intern, you will support the planning and execution of marketing campaigns, create marketing materials, analyze market trends, and assist with event management. You will also maintain customer data, prepare reports, and collaborate with various departments.

Designs, maintains, and evolves ML model benchmarking and validation infrastructure. Validates compiled models across diverse hardware platforms. Collaborates with engineers to diagnose and resolve failures. Builds scalable test pipelines and contributes to test cases and tooling.

Founders Associate Intern to support the development and validation of go-to-market strategies and build an AI-first sales organization. Tasks include identifying sales channels, automating workflows, and supporting client onboarding.

The Cluster of Excellence 'CASA: Securing the Digital Society' seeks several PhD candidates (3 years) to address cybersecurity challenges posed by disruptive technologies. Applicants must have an above-average Master's degree in computer science, electrical engineering, mathematics, psychology, or a related field, fluent English, and basic knowledge of relevant research areas.

Support budget planning, management, and auditing. Create and optimize reports, work on procurement processes, and control data quality.

As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the LNG and crude oil markets. You will use AI tools, Python, and our optimization software to build solutions and interact directly with traders.

The Professional Marketing Lead will define, develop, and deploy scientific and professional marketing content for Central Europe. The role connects global professional strategy with local market activations and supports priority launches and initiatives.

Ensures successful completion of transactions on a B2B battery marketplace. Drives operational execution between buyers, suppliers, and internal teams. Provides ongoing support and guidance to users throughout transactions. Collects user feedback and insights to improve platform development. Collaborates with sales, product, and analytics teams.

Provides administrative support to ESO Astronomy Faculty, Students, Fellows, and Visiting Scientists. Organizes colloquia, seminars, and talk series. Assists with travel and accommodation arrangements and supports the Science Visitor Programme. Contributes to the planning and execution of events for Fellows, Students, and Visitors. Prepares budget reports, compiles statistics, and maintains databases.

Manages the full recruitment process, identifies and approaches candidates, develops sourcing strategies, and builds relationships with stakeholders.

Manage and coordinate complex cross-border transaction tax engagements, providing guidance on mandates including tax due diligence and structuring. Develop and oversee tax-efficient planning aligned with client goals. Cultivate strong client relationships and guide junior team members.

Build and lead the finance function of a cross-border aerospace, space, and defense group. Establish financial reporting, cash discipline, profitability visibility, and financing readiness. Manage monthly close, group reporting, treasury, budgeting, and forecasting. Drive pricing discipline, commercial finance, and margin expansion. Lead acquisitions, including due diligence, valuation, and post-merger integration.

Coordinates domestic DE collections and deliveries using Marken drivers and subcontractors. Ensures timely shipment recovery and delivery. Develops relationships with internal and external stakeholders. Provides support for special requirements and reports on transport issues. Arranges shipment receipt and processing. Minimizes subcontractor use while maximizing profit. Flexibility in working hours required.

The CMO Manager manages and oversees contract manufacturing activities with external CMOs, ensuring compliance with quality standards and regulatory requirements.

Develop, optimize, and industrialize manufacturing processes for high-performance composite components. Transfer prototypes into stable pre-series and series production. Collaborate with R&D, quality, and production teams.

Lead engineering teams developing TeamViewer's remote connectivity foundation, including Remote, Tensor, and ONE. Define and execute the roadmap for remote access and control, integrating AI/ML for smarter experiences. Oversee distributed, real-time systems architecture ensuring security, reliability, and global performance.