Assistant Director – Operational Decision Intelligence, EY Parthenon – London

Overview

As Assistant Director in EY-Parthenon’s Operational Decision Intelligence, you help apply advanced analytics and operational research to solve complex strategic and operational problems for major clients. You lead delivery across engagements, manage teams, and grow new opportunities in a fast-growing practice. You will design and implement models, simulations, and AI-enabled solutions that translate into clear, actionable outputs. You’ll work with cross-functional clients and colleagues to shape decisions that impact performance and value.

Pay / Benefits

• Continuous learning and development
• Exposure to a wide range of industries
• Collaborative and inclusive working environment
• State-of-the-art methodologies and technology-enabled solutions
• Global network with diverse thinking
• Wellbeing and inclusive culture

Responsibilities

• Lead the growth area and serve as the go-to expert across sales and delivery
• Oversee end-to-end engagement lifecycle: requirements, data, design, development, testing, implementation and training
• Manage project teams, mentor junior members and develop technical capabilities
• Identify and mitigate risks across sales and delivery
• Expand internal and external networks to create opportunities
• Collaborate with clients to build complex models/algorithms and visualise outputs
• Explore AI opportunities to innovate and drive efficiency in projects
• Identify market opportunities and contribute to new business and offerings with Directors and Partners

Key requirements

• Strong academic background in Operational Research or equivalent numerate subject
• Experience in supply chain modelling and analytics and network optimisation
• Proficiency in operational research techniques (discrete event simulation, mathematical programming, systems dynamics)
• Experience in operational performance improvement or strategic change analysis
• Strong business acumen and ability to translate analytics into decisions
• Project management experience across lifecycle from planning to delivery
• Experience in business development and proposal development
• Effective, collaborative communication and coaching skills
• Proven client-facing experience and problem-solving for client needs

• Collaborative mindset
• Strong communication and coaching abilities
• Client-facing relationship management
• SQL Server
• MS Excel
• VBA

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