Principal Scientist, Operations Research & Decision Science

Johnson & Johnson; Madrid; On-site; EUR 102,000 - 175,000; Full time

Benefits offered by this job

Vacation time

Sick leave

Holiday pay

Parental leave

Volunteer leave

Military spousal time-off

Job summary

Johnson & Johnson Innovative Medicine is recruiting for a Principal Scientist, Operations Research & Decision Science to design, build, and scale simulation, optimization, digital twin, and decision-support across Therapeutics Development & Supply. The primary location is Madrid, with flexibility for Spring House, PA.

The role translates complex development, manufacturing, portfolio, and clinical supply processes into rigorous computational models.

Qualifications

• Advanced degree in quantitative field (OR/IE/CS/Math)
• 5+ years applying optimization, simulation, or related methods
• Strong Python and modeling tool experience

Responsibilities

• Formulate and solve optimization problems for portfolio prioritization, resource allocation, and capacity planning.
• Develop models that express constraints, uncertainty, risk, and tradeoffs and translate outputs into recommendations.
• Design, validate, and maintain digital twins and simulations to evaluate future scenarios and inform decisions.

Skills

Advanced analytics

Python programming

Optimization

Simulation

Leadership

Education

Operations Research

Tools

Pyomo

Gurobi

CPLEX

OR-Tools

SimPy

AnyLogic

Simio

Arena

Job description

Johnson & Johnson Innovative Medicine is recruiting for a Principal Scientist, Operations Research & Decision Science to design, build, and scale simulation, optimization, digital twin, and decision-support across Therapeutics Development & Supply. The primary location is Madrid, with flexibility for Spring House, PA.

The role translates complex development, manufacturing, portfolio, and clinical supply processes into rigorous computational models.