Senior Operational Research Scientist

ERLPhase Power Technologies Ltd.

. Lead optimisation for Relay's last mile, making routing, pricing, and scheduling decisions for couriers and the wider network .

Posted 11/9/2026full-timeLondon • United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates deep expertise in Operational Research and advanced quantitative disciplines, with a strong focus on building and optimizing systems that integrate Machine Learning and Recommender Systems. Proven ability to tackle complex problems and drive collaboration within a research-oriented team environment.

Highest-signal resume keywords

Operational Research ExpertiseMachine Learning Model DevelopmentOptimization Systems BuildingComplex Problem StructuringCollaboration Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Operational ResearchOptimizationMachine LearningAlgorithm DevelopmentQuantitative Analysis

Soft Skills

CollaborationCommunication

Industry Keywords

Last-Mile DeliveryIndustrial EngineeringQuantitative DisciplineResearch Culture

About the role

Key responsibilities & impact

Lead optimisation for Relay's last mile, making routing, pricing, and scheduling decisions for couriers and the wider network
Model and optimise decisions defining the last-mile delivery network and marketplace
Develop solvers and algorithms that perform live and at scale
Partner with Scientists to integrate ML and recommender systems with Operational Research
Raise the standard for Operational Research at Relay
Grow the team, research culture, and Relay's voice in the tech community

Requirements

What you’ll need

Deep expertise in operational research, whether from a PhD, publications, or years at the frontier in industry
Background in operational research, industrial engineering, or an advanced quantitative discipline, including trading, branched into optimisation
Experience building optimisation systems or ML models that run in production and owning the outcome
Ability to structure large, complex problems
Strong collaboration skills and ability to explain complex ideas simply
Strong technical fundamentals and entrepreneurial drive
Must answer whether UK visa sponsorship is needed now or in the future

Benefits

Comp & perks

Equal-opportunity employer committed to diversity, inclusion, and fostering a workplace where everyone thrives