Elvis Rosario
Senior Manufacturing Supervisor
Santo Domingo
Summary
Industrial Engineer with extensive experience leading production teams and delivering measurable improvements in efficiency (OEE), scrap reduction, cost savings, line balancing, and automation. Strong background in Lean Manufacturing, cross-functional collaboration (Engineering/Planning/Quality), and KPI-driven execution. I am currently pursuing an M.S. in Applied Mathematics for Industry. Targeting a Process Engineer role in a textile operation manufacturing prefabricated orthoses and orthopedic supports.
Overview
22
22
years of professional experience
13
13
Certifications
2
2
Languages
Work History
Senior Manufacturing Supervisor
Planeta Azul
01.2025 - Current
- Manage end-to-end production execution to ensure compliance with production schedules and operational targets.
- Lead continuous improvement initiatives to increase operational efficiency and reduce waste levels.
- Led an improvement project on a flavored & isotonic line, increasing efficiency from ~40% average to 95%, and reducing loss levels from 34% to 15% through structured problem-solving, standardization, and loss control.
Senior Manufacturing Supervisor
Eaton Electrical
05.2019 - 11.2024
- Follow up and ensure execution of the weekly production plan; remove obstacles to maintain flow and service levels.
- Ensure cross-training and skill coverage to sustain business continuity.
- Lead/participate in continuous improvement projects focused on scrap reduction and performance improvement.
- Support selection, development, and performance evaluation of direct reports.
- Present monthly results and KPIs to management.
- Implemented a component recovery initiative, delivering annual savings above USD 40,000.
Senior Production Supervisor
Vishay Intertechnology, Inc.
01.2018 - 01.2019
- Build the weekly production schedule jointly with Planning; ensure execution and adherence.
- Partner with Engineering on new product introduction (NPI) and process readiness.
- Deliver monthly savings targets through process improvements.
- Perform line balancing using time studies and methods improvements.
- Ensure quality, efficiency, and safety within the department.
- Led an automation project for a winding process, increasing efficiency by 35% and reducing ergonomic impact for operators.
Production Supervisor
Gildan
01.2015 - 01.2018
- Manage all available resources to meet the production schedule and customer/service requirements.
- Maintain area KPIs above target (quality, efficiency, delivery, scrap).
- Supervise, train, and evaluate personnel; ensure discipline and compliance with policies.
- Ensure quality, efficiency, and safety across operations.
Manufacturing Supervisor
Medtronic
01.2011 - 01.2013
- Participate in continuous improvement and cost reduction projects.
- Maintain metrics above target (Fill Rate, On-Time Delivery, Scrap, Quality).
- Supervise, train, and evaluate personnel.
- Participate in industrial safety audits and ensure compliance.
- Execute production plans and support daily operations management.
Production Supervisor / MRO Buyer
L. S. Starrett of Dominican Republic
01.2008 - 01.2011
- Ensure training plans for direct reports and production capability coverage.
- Participate in continuous improvement projects.
- Coordinate cycle counts to validate inventory accuracy.
- Maintain department metrics above target (Fill Rate, On-Time, Scrap, Quality).
- Supervise, train, and evaluate personnel; ensure production schedule compliance.
Materials & MRO Analyst
Metaldon
01.2004 - 01.2008
- Issue purchase requisitions for stock and non-stock items.
- Maintain spare parts inventories at optimal levels; manage replenishment.
- Coordinate cycle counts and inventory accuracy initiatives.
- Source and purchase vehicle fleet parts/services; manage vendor quotations.
- Supervise personnel, track fleet fuel consumption and related controls.
Education
Master of Science - Applied Mathematics for Industry
PUCMM
Santo Domingo, Dominican Republic 05.2001 -
Master of Science - Industrial Engineering
UASD
Santo Domingo 05.2001 -
Skills
Project Leadership (A3/PDCA): Lead end-to-end improvement projects from problem definition through implementation, sustainment, and handoff
KPI Management & Daily Management System: Drive tier meetings, KPI dashboards, action tracking, and escalation routines to ensure stable performance
Standard Work & Documentation: Develop and update SOPs, work instructions, process parameters, and training materials to reduce variation and improve repeatability
Cross-Functional Collaboration: Partner effectively with Quality, Maintenance, Planning, Engineering, and Supply Chain to remove constraints and improve flow
Process Control & Stability: Establish critical-to-quality/critical-to-process controls, monitor trends, and implement countermeasures to prevent defects and drift
Training & Skills Development: Build cross-training plans, skill matrices, and operator certification to strengthen coverage and support flexible staffing
Safety, Ergonomics & Risk Assessment: Apply JSA and ergonomic improvements to reduce risk, improve compliance, and increase productivity
Cost Reduction & Material Utilization: Reduce scrap and rework through loss analysis, material optimization, and component recovery/reuse initiatives
Equipment Performance & Reliability Interface: Support uptime by collaborating on preventive actions, downtime reduction, and changeover improvements (SMED mindset)
Data-Driven Decision Making: Use structured analysis (trends, Pareto, loss trees) to prioritize opportunities and validate results with measurable outcomes
Certification
Leadership for Managers — Dale Carnegie | 2023
OPTIONAL: SELECTED IMPACT (for top of CV)
- Improved line efficiency from 40% to 95% and reduced losses from 34% to 15% (Planeta Azul).
- Delivered >$40,000 annual savings via component recovery program (Eaton).
- Increased process efficiency by 35% through automation and improved ergonomics (Vishay).
Timeline
Senior Manufacturing Supervisor
Planeta Azul
01.2025 - Current
Senior Manufacturing Supervisor
Eaton Electrical
05.2019 - 11.2024
Senior Production Supervisor
Vishay Intertechnology, Inc.
01.2018 - 01.2019
Production Supervisor
Gildan
01.2015 - 01.2018
Manufacturing Supervisor
Medtronic
01.2011 - 01.2013
Production Supervisor / MRO Buyer
L. S. Starrett of Dominican Republic
01.2008 - 01.2011
Materials & MRO Analyst
Metaldon
01.2004 - 01.2008
Master of Science - Applied Mathematics for Industry
PUCMM
05.2001 -
Master of Science - Industrial Engineering
UASD
05.2001 -