Senior WFM Optimization Engineer

Habitat For Humanity Of Durham; Durham (NC); On-site; USD 150,000 - 190,000; Full time

Job summary

Fidelity Investments in Durham, NC is seeking a Director of Engineering for WFM Operations Research to own optimization models and an enterprise-grade constraint solver within the Workforce Management platform. You will lead design, development, and delivery of a production‑grade solver and metric instrumentation for real-time scheduling and forecast accuracy.

The role emphasizes hands-on development, collaboration with architects, and communication of complex findings to stakeholders.

Qualifications

• Bachelor’s or Master’s degree in operations research, mathematics, computer science, or related field.
• 5+ years applying OR techniques to real problems.
• Hands-on production experience with OR-Tools, CP-SAT, or a comparable solver.
• Strong foundation in linear/integer programming or stochastic optimization.
• Proficiency in Java, Python, or C++.
• Experience with cloud platforms such as AWS, GCP, or Azure.
• Experience with large datasets and solving large-scale optimization problems.
• Direct experience modeling and solving workforce/resource scheduling problems.
• Knowledge of distributed systems and event-driven architecture.

Responsibilities

• Research, design, and develop optimization models for contact center workforce planning, scheduling and resource allocation.
• Design and implement the schedule optimization engine using OR-Tools/CP-SAT.
• Own the constraint model end to end: formalize business rules into a solvable, maintainable model.
• Build production-grade solver as a service within the WFM platform with latency targets.
• Define and validate schedule quality metrics and instrument the service for production monitoring.
• Build and validate optimization algorithms for performance, scalability, and accuracy.
• Collaborate with architects and engineers to integrate optimization models into the platform.
• Communicate findings and results to engineering and business stakeholders.
• Partner with workforce-planning and real-time-analyst stakeholders to validate usability.

Skills

Java

Python

C++

Cloud platforms

Education

Bachelor's or Master's in OR/Math/CS

Tools

OR-Tools

CP-SAT

Constraint Programming

MIP Solver

Job description

Fidelity Investments in Durham, NC is seeking a Director of Engineering for WFM Operations Research to own optimization models and an enterprise-grade constraint solver within the Workforce Management platform. You will lead design, development, and delivery of a production‑grade solver and metric instrumentation for real-time scheduling and forecast accuracy.

The role emphasizes hands-on development, collaboration with architects, and communication of complex findings to stakeholders.