AI & Data - Forward Deployed AI Engineer (Senior Manager & Manager)

Business Area: EY AI & Data – Forward Deployed AI Engineer (Senior Manager & Manager) 

Contract Type: Full-Time – Permanent 

EY exists to build a better working world, we empower our people by offering the culture, tech, teams, scale, challenges, learning, and the relationships for you to personalise and build your career, helping to create long-term value for clients, people and society and build trust in the capital markets. 

This role can be located in our offices across the Republic of Ireland, working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today. 

 
The Team and the opportunity 

As part of our AI & Data team, this role is pivotal in enabling our clients to derive significant value from AI. Through collaboration and domain expertise, our team embeds innovative AI & Data solutions into existing business areas, transforming data into strategic assets. We are looking for a Foward Deployed AI Engineer who is passionate about leveraging AI & data to solve complex problems and drive business outcomes. 

 As a Forward Deployed AI Engineer at EY, you will be a client-embedded technical leader responsible for translating AI ambition into trusted, enterprise-grade solutions. You will work closely with EY Partners, engagement teams, and senior client stakeholders to design, build, and deploy AI systems that operate effectively within complex, regulated, and large-scale environments. 

This role blends deep hands‑on engineering, consulting judgment, and client‑facing delivery ownership. You will carry solutions from concept through production and enable clients to sustainably operate and evolve their AI capabilities.  

Your Key Responsibilities 

• Turn ambiguous business problems into concrete AI solutions by partnering with clients to understand workflows, constraints, success metrics, and incentives 

• Translate business challenges into well-scoped AI use cases (e.g., prediction, automation, retrieval, agent workflows) 

• Define MVP scope, data requirements, and evaluation criteria jointly with stakeholders 

• Build fast prototypes using - LLMs, RAG pipelines, fine-tuning, agents, traditional ML models where appropriate 

• Design and implement AI architectures, including data ingestion, feature pipelines, embeddings, vector stores, model selection, tuning, and evaluation.  Prompt design, guardrails, and system instructions. 

• Integrate AI components with existing client systems (APIs, data warehouses, SaaS platforms). Optimize for latency, cost, reliability, and scalability 

• Deploy solutions into client infrastructure (cloud, hybrid, on-prem), navigating real-world constraints such as security, compliance, data residency, legacy systems. 

• Set up monitoring for model performance and drift, prompt failures, hallucinations, and regressions. 

• Provide technical training and knowledge transfer to client teams 

• Capture reusable patterns, architectures, and accelerators 

• Contribute to internal playbooks and reference implementations 

• Share lessons learned across engagements 

• Support pre-sales with technical credibility and demos 

• Stay current on fast-moving AI tooling and model capabilities 

To qualify for the role, you must have. 

• 7+ years for Senior Manager and 5+ years for Manager of AI/ML engineering experience with strong fundamentals in data structures, algorithms, and system design with Python in production environments 

• Deep applied AI/ML mastery: NLP/transformers, generative models (GANs/VAEs), reinforcement learning, classical ML and statistical modelling. 

• Advanced LLM/RAG engineering: prompt pipelines, embeddings, vector stores (FAISS/Milvus/Pinecone), hybrid retrieval, grounding, hallucination mitigation and evaluation frameworks. 

• LLMOps/ML