**Sr.
Supervisor QA (Lean Six Sigma).
**
This role ensures process accuracy, documentation compliance, and continuous improvement across back-office workflows.
The senior quality Assurance Supervisor will act as a bridge between auditing and operational excellence and drive measurable improvements by analyzing performance trends, coaching QA analysts, and executing continuous improvement initiatives.
**Requirements**:
- Engineering degree.
- Previous experience with client-facing (plus).
- Advanced English level (C1).
- Lean Six Sigma experience (must).
- Continuous Improvement Experience (plus).
- Call Center Industry Experience (plus).
**Responsibilities**:
- Lead day-to-day operations of QA, ensuring timely and accurate evaluations across all Lines of Business.
- Establish and monitor risk-based sampling plans beyond random sampling (example: product line, agent tenure, complaint volume).
- Maintain and calibrate sample ...