AI Solutions Analyst & Engineer

Mission Overview:

This is a consultancy mission delivered by Keystone Solutions for our client. As a Keystone Solutions consultant, you will operate within the client's Program Management Life Department, embedded in the Life Digital Solutions team. This team is in charge of Life digital projects, including driving the adoption and implementation of artificial intelligence solutions within the business line. This includes defining a comprehensive roadmap in alignment with internal stakeholders, ensuring the successful deployment, monitoring, and evaluation of these initiatives in collaboration with the central competence center. Additionally, the team is tasked with creating awareness and fostering a deeper understanding of AI across the Life department with the internal community. To succeed, working closely with the client's A.I. Central Competence Center as well as with IT colleagues is a must; reconciling divergent interests is a challenge. We are looking for a versatile and autonomous AI Solutions Analyst & Engineer to lead the delivery of GenAI-powered projects, including the development of an enterprise-grade chatbot using LLM technologies. This hybrid role combines business analysis, prompt engineering, and hands-on AI solution design. The ideal candidate can capture and translate business requirements, design and refine LLM-based workflows, collaborate with the internal AI Center of Expertise, and drive projects end-to-end—from discovery and solution definition to testing, rollout, and continuous improvement—as a Keystone Solutions consultant at the client site. (Ref: 3481AISAR)

Consultancy Nature of Work:

As a Keystone Solutions consultant, you will work on-site at the client location and through flex arrangements where applicable. You will collaborate closely with client stakeholders and Keystone's internal experts, delivering outcomes under Keystone's consultancy model while integrating into the client's teams and processes. Responsibilities and deliverables listed in this description will be executed by you as a Keystone Solutions consultant in partnership with the client.

Assignment Details:

• Mission period: Expected Start date: Asap; Duration: 12 months (Depending on project evolution, extension is possible)
• Language requirement: Candidate must at least be fluent in Dutch or in French, and have a good level in the other language, including English
• Localisation: Brussels centre and possibility of flexiwork
• Level of education required: Master

Key Responsibilities and Scope:

• Lead the delivery of GenAI-powered projects, including the development of an enterprise-grade chatbot using LLM technologies
• Perform business analysis, prompt engineering, and hands-on AI solution design
• Capture and translate business requirements into functional specifications and executable backlog items
• Design and refine LLM-based workflows, including prompts, RAG pipelines, and evaluation frameworks
• Collaborate with the internal AI Center of Expertise (data/ML/architecture/security)
• Drive projects end-to-end: discovery, solution definition, testing, rollout, and continuous improvement
• Define and execute LLM test strategies (golden set, regression, safety tests)
• Operate in Agile environments with autonomy to plan, execute, and report progre
• Contribute to awareness and understanding of AI across the Life department with the internal community
• Ensure successful deployment, monitoring, and evaluation of initiatives in collaboration with the central competence center

Personal Skills (soft skills - intangible qualities or traits that enhance our interactions) — Mandatory:

• Structured, conscientious and flexible
• Hands-on & autonomous
• Excellent communication (technical non-technical)
• Structured storytelling: explain what the model does, what it cannot do, and how risk is controlled
• Team Player
• Problem solving and critical thinking
• Able to work with sharp deadline
• Curiosity & continuous learning
• Value driven mindset

Business experience required (work experience) — Mandatory:

• Experience in a combination of Business Analysis, Digital Product Delivery, or Solution Engineering, including at least 2 years working with GenAI/LLM-based solutions.
• Demonstrated experience delivering conversational AI or chatbot solutions end-to-end (discovery build test rollout), ideally in a regulated environment.
• Proven ability to design and iterate prompts, RAG pipelines, and evaluation frameworks, and to collaborate with an internal AI Center of Expertise (data/ML/architecture/security).
• Hands-on experience translating business requirements into functional specs and executable backlog items, plus defining and executing LLM test strategies (golden set, regression, safety tests).
• Experience operating in Agile environments, with autonomy to plan, execute, and report progre

Technical experience required (hard skills related to physical or digital tools) — Mandatory:

• MS Office 365
• Copilot M365
• Data & reporting solutions (PowerBI, Azure DataBricks, Azure DataLake)
• Programming (Python, sql, )
• LLM solutions & Gen AI

Technical experience — Preferable:

• Insurance or financial industry

Functional experience required (job experience in particular industry and in particular function) — Mandatory 5y-8y:

• Understand operational workflows and constraints; design solutions that fit real usage
• Documentation and knowledge transfer: playbooks, training materials, runbooks
• Agile delivery practices (backlog management, user stories, acceptance criteria)
• Define testing strategy, execute and coordinate user testing
• Designing test suites for LLM solutions: golden sets, regression tests, adversarial prompts
• Defining evaluation metrics (accuracy proxies, groundedness, response quality rubrics)
• Logging/monitoring: prompt/response traces, latency, cost, quality signals

Dynamic Projects:

Joining Keystone Solutions as a consultant gives you the opportunity to tackle diverse, high-impact challenges across client projects. You will apply GenAI, LLM workflows, and solution engineering skills to different business contexts, broadening your experience while delivering tangible value on each engagement.

Turbo-Charged Learning and Development:

Keystone Solutions invests in your growth with continuous learning opportunities, mentorship from seasoned consultants, and access to communities of practice focused on AI, data, and product delivery. You will refine your skills in prompt engineering, RAG, evaluation frameworks, testing strategies, and Agile practices through real-world consulting engagements.

Ambition Skyrocketing within a Consultancy Framework:

We foster accelerated career development through varied client assignments, clear progression pathways, and opportunities to lead initiatives end-to-end. Your ambition is supported by challenging missions, constructive feedback, and the chance to take ownership of outcomes in dynamic environments.

Keystone Solutions Values in Action:

Being a K-Stone means bringing integrity, excellence, collaboration, and impact to every client project. Our values shape how we engage, communicate, and deliver—ensuring structured storytelling, responsible AI practices, rigorous testing, and measurable results across all consulting missions.

How to Apply:

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal .