Data Science Manager

Harnham; New York (NY); On-site; USD 120,000 - 150,000; Full time

Job summary

Harnham is seeking a Manager, Commercial Data Science in New York City. This leadership role combines hands-on modelling with team management, directly engaging with clients and leading data science initiatives.

Ideal candidates will have 6 to 10+ years of experience in data science and a strong background in Python, machine learning, and quantitative disciplines. The position offers an opportunity to influence strategic decisions and support business development within a collaborative environment.

Qualifications

• 6 to 10+ years of experience in data science within a commercial or client-facing environment.
• Strong experience leading projects and managing junior team members.
• Strong foundation in machine learning and statistical modelling.

Responsibilities

• Lead end-to-end delivery of predictive modelling and machine learning solutions for enterprise clients.
• Own senior client relationships and act as the lead data science voice on engagements.
• Manage and develop a team of Data Scientists and Associates.

Skills

Project leadership

Advanced Python skills

Machine learning

Strong communication skills

Client-facing experience

Education

Quantitative degree (Mathematics, Statistics, Economics, Computer Science)

Job description

Harnham is partnering with a consulting firm focused on revenue growth strategy to hire a Manager, Commercial Data Science. This role sits at the intersection of advanced analytics and commercial consulting, with full ownership of client delivery and team leadership.

The position offers a clear step up from a Senior individual contributor role, combining hands-on modelling with leadership responsibility and direct exposure to senior client stakeholders.

The role

• Lead end-to-end delivery of predictive modelling and machine learning solutions for enterprise clients
• Own senior client relationships and act as the lead data science voice on engagements
• Manage and develop a team of Data Scientists and Associates
• Drive commercial use cases such as churn prediction, customer health scoring, next best action, and revenue forecasting
• Partner with consulting teams to shape strategy and influence decision-making
• Support business development and pre-sales activity

Your background

• 6 to 10+ years of experience in data science within a commercial or client-facing environment
• Strong experience leading projects and managing junior team members
• Advanced Python skills with a strong foundation in machine learning and statistical modelling
• Consulting experience preferred
• Strong communication skills with the ability to translate technical work into business impact
• Quantitative academic background in Mathematics, Statistics, Economics, Computer Science or similar

The company

A consulting firm specialising in revenue growth strategy, working with major global organisations

Data Science is a core function, operating as the advanced analytics arm of the business

Highly collaborative and meritocratic culture with strong growth plans across data and AI

If you are interested in a leadership role with real ownership across both technical delivery and client engagement, please apply or reach out for more information.