The Prompt Engineer will support the business owner in the design, development, testing, and optimisation of generative AI solutions by translating business needs into effective prompt-based workflows and AI-assisted processes. The role will contribute to prompt engineering, quality assurance, user support, capacity building, and the adoption of AI-enabled tools, while ensuring alignment with responsible AI principles, data governance requirements, and organisational objectives.
The role will also provide business-oriented support to digital teams and service providers, particularly in the areas of AI output evaluation, workflow design, knowledge management, user guidance, and continuous improvement of AI-driven services.
What you will do.
- Design, test, refine, and maintain prompts, prompt libraries, templates, and prompt chains for generative AI tools.
- Translate business or operational needs into prompt-based workflows, including defining use cases, expected outputs, guardrails, and human review points.
- Evaluate AI outputs for relevance, consistency, completeness, bias, hallucination risk, and usability, and adjust prompts accordingly.
- Collaborate with subject-matter experts, digital teams, and service providers to improve output quality and ensure contextual accuracy.
- Prepare user guidance, standard operating procedures, prompt documentation, and training materials.
- Support the rollout of AI-enabled solutions through testing, feedback collection, user support, and continuous improvement.
- Contribute to responsible AI governance by embedding safeguards related to privacy, confidentiality, transparency, safety, and human oversight.
- Monitor developments in generative AI, prompt engineering methods, and relevant digital and AI policy frameworks.
- Maintain and update the AI website and communication channels, and support the publication and dissemination of news, updates, communication materials, and key information to relevant audiences.
- Close coordination with Team Leaders within the Sector.
- Any other tasks identified during the project implementation in line with the project needs.
Profile
- Master degree or equivalent diploma in a field linked to the assignment OR bachelor level degree in the same field plus equivalent professional experience of minimum four years.
- Fluency in English for oral and written communication as well as comprehension (C1 level).
- Fluency in French will be considered an asset.
General professional experience.
- At least 4 years of professional experience in a similar field.
- Previous experience in business analysis and/or in project and/or operational management.
- Previous experience in international cooperation.
Specific professional experience.
- Proven experience in prompt design, testing, and optimisation for large language models and generative AI systems.
- Experience in designing AI-assisted workflows for tasks such as drafting, summarisation, question-answering, document analysis, or knowledge retrieval.
- Understanding of responsible and human-centric AI principles, including transparency, safety, non-discrimination, privacy, and respect for fundamental rights.
- Familiarity with data governance, confidentiality requirements, and secure handling of sensitive information.
- Experience in evaluating AI performance through structured testing, benchmarking, and iterative refinement.
- Ability to work in institutional, public-sector, donor-funded, or regulated environments where traceability and accountability are important.
- Experience in capacity building, user training, or supporting organisational uptake of digital tools is highly desirable.
- Prompt engineering certifications such as: Google Cloud Professional Machine Learning Engineer, AWS Machine Learning Specialty, DeepLearning.AI Generative AI with LLMs, Databricks Generative AI Engineer Associate, Microsoft Azure AI Engineer Associate, or equivalent are required.
Practical
- Only candidates with a Belgian work permit or European working rights can be considered for this position.
How to apply
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