Stephen Johnson
New Boston,NH
Summary
Results-driven Maintenance Manager specializing in automation start-up leadership and maintenance optimization. Successfully managed automation readiness and reliability improvements, supporting over $40 million in equipment commissioning. Proven ability to enhance safety and production efficiency in high-volume settings through strategic collaboration and data-driven decision-making.
Overview
28
28
years of professional experience
Work History
Maintenance Manager / Automation Start-Up Lead
Walmart Logistics
Raymond, USA
01.2022 - Current
- Promoted to lead startup commissioning and ongoing support of Walmart's Symbotic-powered supply chain automation system.
- Managed automation-related maintenance readiness, PM development, staffing, safety programs, inventory strategy, and reliability improvements across multiple phases to enhance operational efficiency.
- Oversaw maintenance operations supporting high-volume, automation-driven production.
- Partnered with Symbotic and Walmart engineering throughout all automation deployment phases: pre-go-live, phase 1 commissioning, phase 2 scale-up, and phase 3 planning.
- Supported commissioning of over $40 million in automation equipment, including robotics, shuttle systems, AS/RS components, conveyors, and integrated software.
- Collaborated with engineering and operations to resolve equipment issues, ensuring seamless production flow.
- Ensured timely completion of maintenance tasks to meet manufacturing and throughput goals.
- Optimized PM intervals by identifying inefficiencies and implementing process controls, leading to improved maintenance effectiveness.
Maintenance Manager
Walmart Logistics
01.2018 - 01.2022
- Directed daily maintenance operations in high-volume distribution environment, ensuring operational readiness prior to automation deployment.
- Provided subject matter expertise for the Northeast Division's preventive maintenance workstream, ensuring reliable operations.
- Managed monthly budget of $100K, prioritizing reliability while maintaining cost efficiency.
- Performed data analysis using CMMS outputs to identify trends and implement countermeasures.
- Led meetings to enhance engagement, safety, and communication across teams, fostering a collaborative work culture.
Maintenance Technician
Walmart Logistics
01.2006 - 01.2018
- Performed preventive and corrective maintenance on conveyors, dock equipment, motors, reducers, hydraulics, and facility systems to ensure operational reliability.
- Inspected equipment to ensure proper functionality and safety compliance.
- Performed routine maintenance on conveyor systems and forklifts.
- Assisted in troubleshooting mechanical issues to minimize downtime.
Maintenance Mechanic
Brox Industries
Dracut, USA
01.1999 - 01.2005
- Repaired motors, reducers, drive belts, and rock crusher systems, ensuring optimal functionality in aggregate production.
- Executed rigging and heavy equipment operations while performing scheduled PM tasks to maintain equipment reliability.
- Performed routine maintenance on machinery and equipment across production lines.
- Diagnosed mechanical issues using troubleshooting techniques to ensure operational efficiency.
- Repaired hydraulic systems to maintain optimal function of industrial equipment.
Education
High School Diploma -
Fort Walton Beach High School
Fort Walton Beach, FL05.1996
Automotive Service and Repair -
Okaloosa Technical College
Fort Walton Beach, FL01.1996
Skills
- Leadership in automation maintenance
- Root cause analysis
- Predictive maintenance
- Startup commissioning
- Reliability engineering
- CMMS (maintenance management systems)
- CMMS analysis
- Automation troubleshooting
- Automated tooling systems
- Symbotic robotics and conveyor automation
- LOTO and guarding
- Inventory management systems
- Spare parts strategy
- Microsoft Office Suite
- Compliance auditing
Accomplishments
- Awarded manager of the quarter (Q2 2024) for outstanding leadership during automation deployment and multi-phase expansion.
- Received Exceeds Expectations on annual performance evaluations for five consecutive years (2020-2024)
Timeline
Maintenance Manager / Automation Start-Up Lead
Walmart Logistics
01.2022 - Current
Maintenance Manager
Walmart Logistics
01.2018 - 01.2022
Maintenance Technician
Walmart Logistics
01.2006 - 01.2018
Maintenance Mechanic
Brox Industries
01.1999 - 01.2005
High School Diploma -
Fort Walton Beach High School
Automotive Service and Repair -
Okaloosa Technical College