consultant English-speaking jobs in Leverkusen

The Max Delbrück Center seeks an epidemiologist with expertise in genetic and molecular epidemiology for a fixed-term position. The role involves planning, managing, and organizing research projects, developing data analysis plans, and analyzing complex data from cohort studies.

Purchasing Specialist will create, qualify, and evaluate suppliers in ARIBA SLP and SAP. Responsibilities include supporting invoice discrepancy resolution, negotiating commercial terms with suppliers, and managing master data in SAP, ARIBA, and Teamcenter.

As a Key Account Director, you will focus on strategic accounts (Global 500) to identify opportunities, expand relationships, and meet sales targets. You will lead the entire sales cycle, including new customer acquisition. This role requires a proven track record of full-cycle sales experience in large cybersecurity sales.

Cint seeks a Director of Total Rewards to design and lead a global rewards strategy encompassing compensation, equity, and benefits. This role will partner with senior leadership, Finance, and People Partners to embed the rewards strategy across the business. The Director will also architect and guide Cint's global benefits philosophy, ensuring global consistency and local relevance.

Senior Accountant (m/f/d) needed to establish and manage accounting processes for a growing medical device company. Responsibilities include day-to-day accounting operations, monthly/quarterly/annual closings, and acting as the main point of contact for the external tax advisory firm.

Senior Tax Advisor manages and advises on German tax matters for an international oil & gas group. Ensures compliance with German tax law and supports tax-efficient structuring of operations. The role combines technical tax advisory, project work, operational tax compliance, and tax reporting in a complex, cross-border environment.

Leads day-to-day pilot plant operations, ensuring safe, compliant, and reliable performance. Develops and implements strategic plans for the pilot plant, overseeing the scale-up of new products and processes. Supports process development and innovation projects.

As an Executive Assistant, you will manage calendars, organize meetings, and provide administrative support to Founders/CEOs. You will also be responsible for organizing events and acting as a point of contact for employees, clients, and stakeholders.

Material Planner (m/f/d) will plan components for battery production, create supply overviews, prepare demand forecasts, monitor plant performance, and collaborate with Procurement.

Leads global talent management agenda, developing and implementing programs and tools across the ERGO Group. Manages leadership programs, performance management, and succession planning in collaboration with Munich RE. Advises board members and executive management.

Alliance Manager (m/f/d) will coordinate alliance management activities, ensure contractual adherence, and support the achievement of alliance business objectives.

Lead, develop, and guide a team providing customer service and support. Manage service quotations, interventions, and training needs. Strong leadership, communication, and problem-solving skills required. Proven experience in aftermarket and knowledge of IFS or similar ERP systems are assets.

Experienced HR Business Partner to lead HR across Germany, Austria, and Switzerland, partnering with leadership to align HR strategy with business objectives and drive talent strategies.

Provides onsite technical support for the integration of In-Flight Entertainment (IFE) systems from project phase to aircraft delivery. Troubleshoots and resolves system problems, and assists OEM and airlines with testing and operating the system.

Project Engineer to design protection devices for energy supply infrastructure. Collaborate with clients, configure products, and support testing and commissioning. Requires electrical engineering background, German fluency, and a driver's license.

Leads, inspires, and scales international commercial teams across Continental Europe. Defines and executes commercial strategy, builds go-to-market models, and collaborates with central teams to leverage competitive advantages. Owns complete commercial performance journey, including revenue growth, pipeline development, pricing strategy, and key account management. Requires 10+ years of experience in senior commercial, business development, or general management roles with demonstrable impact on organizational performance. Proven track record in building and scaling European or international businesses, leading complex go-to-market strategies, and leading, developing, and inspiring international commercial teams.

Supports recruitment planning for interns in Germany. Processes applications, acts as a point of contact for candidates, and manages interview notes and documents. Coordinates with the recruitment team and HR Business Partner.

As a SOC Physical Design Engineer, you will own block level PnR, floor-planning, clock and power distribution, and static timing closure. You will perform power and noise analysis, layout verification, and develop low power clock network guidelines. You will resolve design and flow issues and contribute to documentation and specifications.

Manage ZEISS' Open Source Program Office, driving the corporate strategy for inbound and outbound Free and Open Source Software (FOSS). Provide advice to business units and engineering teams on FOSS licensing, software architecture, and compliance. Act as an advocate for responsible FOSS use, organize events, and manage initiatives to improve FOSS efficiency.

Senior Director will lead transaction tax teams across Germany, Europe, and globally, advising on buy-side and sell-side transactions, including tax due diligence reports and transaction structuring.