Sistema Fibra
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.
Master's/PhD Research Fellow – Operations Researcher, ATM Cash Inventory Optimization
Job not on LinkedIn
🕒 June 26
🗣️🇧🇷🇵🇹 Portuguese Required
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Sistema Fibra
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 cash denomination provisioning per withdrawal at ATM terminals • Formalization of the problem (variables, physical constraints, objective function) and a simulation environment using withdrawal history 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 a fallback • Coordination at the battery level (a set of terminals) to align depletion and reduce aggregated restocking • Evaluation against baselines (largest-denomination, proportional, threshold) using metrics for restocking events, time between restocks, service rate, latency, and traceability
🎯 Requirements
• PhD or Master's degree • Currently enrolled in or completed studies in Computer Engineering, Computer Science, Electronic Engineering, Applied Mathematics, or Statistics • Experience using solvers (CPLEX, Gurobi, CBC, HiGHS, etc.) • Mathematical modeling techniques using Operations Research (linear programming, mixed-integer programming, heuristics, etc.) • Programming experience in Python
🏖️ Benefits
• Monthly stipend: R$ 9,000 (Master's) and R$ 11,000 (PhD) • Work arrangement: Remote
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