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Optimization specialist

Sita


Job Location:

Barcelona - Spain

Monthly Salary: Not provided by the employer
Posted: 27 August 2026 (10 hours ago)
Application Deadline: 24 November 2026
Vacancies: 1 Vacancy

Job Summary

Description External
WELCOME TO SITA

At SITA we keep airports moving airlines flying smoothly and borders open. Our technology and communication innovations power the success of the global air travel industry.

Youll find us in 95% of international airports working closely with over 2500 transportation and government clients. Each partnership brings unique challenges and we thrive on delivering fresh solutions and cutting-edge tech to keep operations running like clockwork. We dont just move the world forward-were proud to be recognized as a Great Place to Work by 79% of our employees and certified in most of our growing locations. Here we feel empowered supported and inspired to grow.

Are you ready to love your job

The adventure begins right here with you at SITA.

PURPOSE

As an Optimization Scientist you will apply operations research and mathematical optimization to design and build the optimization engines that recover airline operations from disruption turning hours of manual replanning into minutes of high-quality automated recovery decisions.

You will be accountable for a disruption-recovery solver pipeline end-to-end: from mathematical formulation to production code running against real airline operations.

Reporting to the Head of Disruption Management Solutions (OCC Assistant Manager) you will be a part of the OCC Assistant Manager team responsible for OCC Assistant Manager

SITAs AI-powered Operations Control Center solution that helps airlines manage and recover from operational disruptions. We are hiring two Optimization Scientists to grow the team.

KEY RESPONSIBILITIES
  • Own a disruption-recovery solver pipeline end-to-end from mathematical formulation to production code
  • Translate airline-specific rules and constraints (crew legality aircraft routing passenger reaccommodation) into solver formulations
  • Validate solver solutions against real disruption cases working side by side with our Solutions Experts
  • Own solution-quality and runtime KPIs driving the trade-off between solution quality and solve time
  • Extend solver capabilities and ship new optimization functionality as the product evolves
  • Collaborate with Back-End and Data Engineering teams to integrate your solver outputs into the live product
  • Build deep airline-operations domain knowledge and turn it into better formulations
Qualifications External
WHO YOU ARE
  • You have a strong foundation in mathematical optimization and operations research with depth in areas such as linear programming mixed-integer programming network flow algorithms large-scale optimization techniques or metaheuristics
  • You have hands-on experience with solvers such as Gurobi CPLEX or SCIP
  • You are proficient in Python and SQL work fluently with Git and optimization libraries and write code that is ready for production
  • You can translate complex business rules into algorithms
  • You work at the intersection of math and engineering bridging OR theory and production code
  • You are self-directed and ramp up new domain knowledge independently
  • You are detail-oriented debugging solver behavior requires precision
  • You think in systems: you understand how formulation choices affect solver performance end-to-end
  • You hold a degree in Operations Research Applied Mathematics Computer Science Industrial Engineering or a related quantitative field. MSc or PhD is a plus
ABOUT YOUR SKILLS
  • You possessAirline Operations Management knowledge and understand the operational commercial and customer service challenges faced by airlines.
NICE-TO-HAVE
  • Experience with column generation or decomposition methods
  • C programming skills
  • Familiarity with airline operations: IROPS/disruption management crew legality rules aircraft rotations or passenger rebooking
WHAT WE OFFER

Were all about diversity. We operate in 200 countries and speak 60 different languages and cultures. Were really proud of our inclusive environment. Our offices are comfortable and fun places to work and we make sure you get to work from home too. Find out what its like to join our team and take a step closer to your best life ever.

Flex Week: Work from home up to 2 days/week (depending on your teams needs)

Flex Day: Make your workday suit your life and plans.

Flex-Location: Take up to 30 days a year to work from any location in the world.

Employee Wellbeing: We have got you covered with our Employee Assistance Program (EAP) for you and your dependents 24/7 365 days/year. We also offer Champion Health - a personalized platform that supports a range of wellbeing needs.

Professional Development: At SITA we believe growth fuels innovation. Our learning ecosystem offers access to world-class platforms and programs designed to help you thrive. From LinkedIn Learning Microsofts Enterprise Skills Initiative and Airport Council International -available to all employees-to specialized solutions like Pluralsight for technology upskilling Harvard Business Publishing for people leadership Stanford for strategic development and many others we align learning opportunities with your Development Plan and our business priorities. Your development journey is supported every step of the way.

Competitive Benefits: Competitive benefits that make sense with both your local market and employment status.

SITA is an Equal Opportunity Employer. We value a diverse support of our Employment Equity Program we encourage women aboriginal people members of visible minorities and/or persons with disabilities to apply and self-identify in the application process.

Salary / Compensation Note
Hidden (-999)
Salary / Compensation Note
Hidden (-999)

Required Experience:

IC


About Company

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At SITA we lead one of the most exciting and advanced industries in the world. With us, there are no limits for people looking to explore the edges of possibility and beyond. We are the world’s leading specialist in air transport communications and information technology. Around the ... View more

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