Operational Researcher – ATM Cash Inventory Optimization

Job not on LinkedIn

🕒 June 26

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Sistema Fibra

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1972

🤝 B2B

🤝 Non-profit

📚 Education

B2B • Non-profit • Education

Sistema Fibra is a civic organization based in Brasília that focuses on enhancing the competitiveness of industries and entrepreneurship through representation and support. It brings together various entities, including Sesi, Senai, and IEL, to promote industrial growth and workforce development in Brazil.

📋 Description

• 12-month project to develop and compare approaches for optimizing the dispensing of banknotes per withdrawal at ATM terminals • Formalization of the problem (variables, physical constraints, objective function) plus a simulation environment using withdrawal histories and Monte Carlo resampling • Development and comparison of three approaches: periodic offline policy; predict-then-optimize combined with reinforcement learning; short-horizon online MIP with fallback • Coordination at the battery level (group of terminals) to align depletion and reduce aggregated refilling • Evaluation against baselines using metrics such as number of refills, time between refills, service rate, latency, and traceability, with paired statistical tests and guaranteed reproducibility • Tools: Python, MIP solvers (Gurobi/CPLEX/CBC) and Git

🎯 Requirements

• PhD or Master's degree • Degree status: currently enrolled or completed • Fields of study: Computer Engineering, Computer Science, Electronic Engineering, Applied Mathematics or Statistics • Mathematical modeling techniques using Operations Research (linear programming, mixed-integer programming, heuristics, etc.) • Experience using solvers (CPLEX, Gurobi, CBC, HiGHS, etc.) • Programming language: Python • Desired knowledge: optimization software, programming languages R, SQL, AWS cloud, Agile methodology (Scrum)

🏖️ Benefits

• Stipend: Master's-level R$ 9,000 and PhD-level R$ 11,000 • Availability: 40 hours per week • Duration: 12 months