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From the employer's careers site First seen 2 Nov 2026

Forecasting Manager – Vaccines Business Unit

GSK Philadelphia senior full-time

The employer hasn't listed a salary.

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Description

We are seeking a Forecasting Manager to join our US Vaccines Forecasting team. As a Forecasting Manager, you will create patient-centered, data-driven forecasts and partner with commercial stakeholders to drive growth in life-saving vaccines.

The role involves maintaining accurate and insight-driven gross sales and patient forecasts for GSK's RSV vaccine, AREXVY, Vaccine Pipeline Assets, and Flu. You will utilize a wide variety of forecasting approaches to support commercial priorities, competitive positioning, and supply chain decisions.

Responsibilities:

  • Establish, document, and maintain financial and manufacturing forecasts on a monthly cycle and annually revise Long-Range Forecast, in partnership with global and local Finance, Marketing, Supply Chain, and Commercial Insights teams.
  • Maintain SKU level forecasts for GSK's RSV vaccine, AREXVY, and Flu vaccines in the US (including Puerto Rico).
  • Develop, document, and maintain US Forecasts for priority pipeline assets from Phase 2 onward.
  • Present forecast assumptions, inclusive of risks and opportunities, to multiple management levels.
  • Ensure accuracy of forecasts through industry standard accuracy and bias metrics; identify corrective actions as appropriate.
  • Support US financial submissions and quarterly earnings call, as needed.
  • Collaborate with Marketing, Sales, Commercial Insights, Market Access, and Supply Chain peers on modeling events, communicating issues, and responding to requests from senior leadership.

Basic Qualifications:

  • BS/BA degree in Finance, Accounting, Engineering, Analytics, Statistics, Biology/Chemistry or Business.
  • 5+ years of post-degree experience in financial, analytics, or gross sales forecast models with multiple variables and event modeling.
  • Experience in analysis of financial or healthcare market data and trends, assessing financial impacts and identifying risks and opportunities.
  • Strong MS Excel and data modeling skills; utilizing pivot tables, charts, and LOOKUP & SUMIF functions.

Preferred Qualifications:

  • Familiarity and experience using digital capabilities to enhance automation and standardization.
  • Advanced degree in science and/or business.
  • Demonstrated communication and presentation skills.
  • Experience with patient claims data and patient flow modeling.
  • Proficiency creating impactful visuals in MS PowerPoint.
  • Strong learning agility to build business acumen.
  • Proven collaboration skills and able to work effectively across a matrix environment.
  • Ability to work independently and prioritize effectively.
  • Experience in pharma, biotech, healthcare or alike industry.

Benefits: Please visit GSK US Benefits Summary to learn more about the comprehensive benefits program GSK offers US employees.

Skills

Required

Nice to have

  • Familiarity with digital capabilities
  • Advanced degree in science and/or business
  • Communication and presentation skills
  • Patient claims data and patient flow modeling
  • MS PowerPoint
  • Learning agility
  • Collaboration skills
  • Experience in pharma/biotech/healthcare

Ready to apply?

You apply with the employer directly. Their original posting is here: https://gsk.wd5.myworkdayjobs.com/en-US/GSKCareers/job/USA---Pennsylvania---Philadelphia/Forecasting-Manager-Vaccines_450477

Apply on GSK