David Wiersum
Glen Mills,PA
Summary
Results-driven Maintenance Manager with a proven track record in preventive maintenance, project management, and equipment troubleshooting. Committed to enhancing operational efficiency and reliability through effective maintenance programs.
Overview
50
50
years of professional experience
Work History
Maintenance Manager
Brookaire LLC
York, PA
04.2022 - 03.2026
- Managed maintenance activities to uphold operational efficiency and reliability of equipment and facilities.
- Developed and implemented preventive maintenance programs to enhance equipment reliability.
- Coordinated with vendors for timely procurement of parts and supplies, minimizing downtime.
- Trained and mentored maintenance staff on best practices and safety protocols.
Outside Sales Representative
MAC Hydraulics
Brookhaven, PA
08.2017 - 08.2021
- Developed and maintained strong client relationships to drive sales growth.
- Conducted market research to identify new sales opportunities and customer needs.
- Delivered product demonstrations and training sessions for clients, enhancing product knowledge.
- Collaborated with cross-functional teams to streamline sales processes and improve customer experience.
Outside Sales and Technical Support
FIXFAST USA
Indianapolis, IN
01.2008 - 06.2017
- Developed and executed comprehensive safety solutions, incorporating overhead fall protection systems, ladders, railings, stairs, crossovers, platforms, and lifelines to enhance workplace safety.
- Provided essential support for sales sites and managed installation of systems to enhance operational efficiency.
- Achieved successful project outcomes for clients including Eli Lilly, Roche, Dow Chemical, DuPont, Caterpillar, hospitals, educational facilities, government bodies, and manufacturing sectors. Delivered tailored solutions that met client needs and enhanced operational efficiency. Cultivated strong relationships with stakeholders to drive project success and client engagement.
- Acquired certification through completion of OSHA 10 and 30-hour safety courses, reinforcing commitment to occupational safety standards.
- Enhanced safety knowledge and skills by completing multiple specialized training courses.
OWNER/Contractor
Self/ ARROW COMPANY
Indianapolis, IN
08.2002 - 01.2008
- Secured contractor's license for commercial HVAC and electrical services.
- Managed electrical and HVAC contracting projects for Weyerhaeuser, Walmart, FedEx, Steel Dynamics, public bids, and retail establishments.
- Facilitated strategic business sale in 2008 to capitalize on market opportunities.
Partner/Manager
Self/ Arrow Flow Company
Franklin Park, IL
05.1987 - 06.2002
- Launched HVAC and mechanical contracting company, contributing to its sustained success through collaboration with two brothers. Facilitated smooth transition of operations following relocation out of state in 2002.
- Oversaw factory relocations and commercial work, specializing in electrical wiring, HVAC/refrigeration troubleshooting, and process piping implementation.
Installer/Shop Assistant
AEN Industries
Bensenville, IL
02.1976 - 05.1987
- Installed and serviced Pollution Control Systems and HVAC Systems at Industrial facilities.
- Shop Fabrication.
- Built Prototypes.
- Trained new employees
Education
High School Diploma -
Prosser Vocational High School
Chicago, IL06-1976
Skills
- Preventive Maintenance
- Project management
- Equipment troubleshooting
- Maintenance planning
Timeline
Maintenance Manager
Brookaire LLC
04.2022 - 03.2026
Outside Sales Representative
MAC Hydraulics
08.2017 - 08.2021
Outside Sales and Technical Support
FIXFAST USA
01.2008 - 06.2017
OWNER/Contractor
Self/ ARROW COMPANY
08.2002 - 01.2008
Partner/Manager
Self/ Arrow Flow Company
05.1987 - 06.2002
Installer/Shop Assistant
AEN Industries
02.1976 - 05.1987
High School Diploma -
Prosser Vocational High School