consultant English-speaking jobs in Harderwijk

Hivos seeks a Head of External Engagement to lead strategic communication, branding, and fundraising initiatives. The role will develop and implement strategies to enhance Hivos' visibility, advocacy impact, and public engagement. The Head of External Engagement will manage the supporter and donation process, oversee external service providers, and develop and implement the corporate communication strategy.

Gain hands-on experience in a global organization. Develop and utilize digital tools and content as part of the marketing & sales team. Support website and digital tool maintenance, analyze campaign impact, and contribute to SEO and SEA activities.

This PhD position focuses on net-aware modeling and optimal operation of multicommodity energy systems within the BACH project. The research addresses how real grid congestion information can be incorporated into system models and operational decision-making. The PhD candidate will develop net-aware models of multicommodity energy systems, optimization-based operational strategies, and a framework to assess the effectiveness of net-aware multi-commodity energy systems. The developed models and strategies will be validated using real grid data and real operational conditions.

This fully-funded PhD research position investigates the potential of digital work for inclusion in the labor market, focusing on sheltered workplaces and social enterprises. The project aims to develop theoretical insights and actionable knowledge to support these organizations in managing novel forms of digital work.

Account Executive will develop business opportunities with customers, analyze needs, and coordinate solutions. Requires a motivated, customer-focused professional with sales experience and excellent communication skills.

International Trader needed to find and grow business opportunities, increase sales, and manage supplier and customer relationships. Requires fluency in English and one other language, a bachelor's degree in a related field, and the ability to travel internationally.

Portuguese-speaking Sales Advisor needed to guide customers towards energy independence solutions. Responsibilities include conducting sales conversations, scheduling appointments, and following up on leads. Fluent Portuguese required. Earnings are performance-based.

As a Campaign Manager within the Global Retail Media Ad Operations team, you will lead the end-to-end setup and launch of campaigns across our global marketplace. You will drive campaign excellence through accurate targeting, creative assignment, and pacing, while monitoring performance and implementing optimizations. You will also pioneer new operational processes and act as a technical expert for Sales and Account Management teams.

International Payroll Specialist for a one-year fixed term contract. Responsible for processing, auditing, and reconciling payrolls for European and South African entities, ensuring accuracy, compliance, and timely payments. Manages relationships with stakeholders and payroll providers. Requires 3+ years of international payroll experience, knowledge of European payroll regulations, and proficiency in Excel.

Provides cost control services for capital projects. Duties include cost reporting, invoice processing, progress billings, forecasting, accruals, and project closeout documentation. Requires a bachelor's degree in finance, accounting, or a related field and proven cost control experience.

Inspect and evaluate BHA tools and premium connections using VT, MT, and PT methods. Document inspection results, report non-conformances, and calibrate NDT equipment. Verify materials meet quality standards.

Senior Mechanical Engineer to manage design, coordination, and installation of mechanical systems for a large-scale data center project in Amsterdam. Requires 5+ years of experience in mechanical engineering on large projects, strong technical knowledge, and proficiency in relevant software.

Finance Director for Northern Europe, leading financial strategy, performance management, budgeting, and forecasting across UK, Germany, Netherlands, and Nordics. Oversees accounting, controlling, treasury, and other financial processes. Drives standardization, internal controls, and Group Finance policy adoption. Leads finance teams, external advisors, and ERP/finance system implementations.

Senior AI/ML Data Scientist to design, develop, and optimize machine learning models for detecting AI-manipulated content in real-time.

Develop and implement IT procurement strategy, lead procurement activities, manage supplier relationships, and act as a senior counterpart for internal stakeholders.

The Sales Executive supports the full commercial cycle at Room Mate Aitana, combining sales activities, event coordination, and commercial support tasks. This role involves managing inquiries, preparing proposals, coordinating events, and ensuring smooth execution. The ideal candidate has some experience in hospitality, events, or commercial roles and strong organizational and communication skills.

Production Research Scientist will coordinate local research efforts, collaborate with cross-functional teams, and validate new technologies to improve seed quality, yield, and cost-effectiveness. Responsibilities include translating business outcomes into research plans, managing project execution, and providing data-driven insights. Requires a Master's degree in a relevant field and 1+ year of experience, or a Bachelor's degree with 5-8 years of experience. Must have excellent communication skills, a results-oriented mindset, and the ability to work effectively in a matrixed organization.

Lead Engineer/Naval Architect needed for custom-made tenders and chase boats. Provide engineering guidance, manage construction processes, and ensure timely design and ordering of parts.

Lead and direct large-scale digital transformation programs, ensuring alignment with strategic business objectives. Manage complex, multi-workstream initiatives involving technology modernization, process re-engineering, and organizational change.

IT Systems Engineer to support infrastructure across the Netherlands and Germany. Responsibilities include maintaining ERP systems, troubleshooting hardware and software, providing helpdesk support, and contributing to IT projects. Requires fluency in English, experience with Navision BC/2009, and strong customer support skills.