Doni Mancia
Woodbridge
Summary
Detail-oriented Maintenance Specialist with extensive experience in utility system maintenance and repair. Proven ability to enhance system efficiency through effective inspections and timely repairs. Strong knowledge of industry standards and safety protocols, utilizing diagnostic tools for precise issue resolution. Committed to optimizing operational performance and ensuring reliability of utility infrastructure.
Overview
26
26
years of professional experience
Work History
Master Technician
DC, Water
District of Columbia
06.2026 - Current
- Diagnosed and repaired mechanical issues in water treatment equipment.
- Conducted routine inspections of machinery and systems for optimal performance.
- Collaborated with engineering teams to implement system upgrades and improvements.
Utility Tech. Crew Leader, equipment operator
Virginia American Water
Alexandria
03.2018 - 12.2025
- Maintained a safe working environment for staff members through adherence to workplace safety protocols during all tasks related to utilities management.
- Completed work orders to ensure timely and reliable service interruptions. to cut on and cut off service.
- Answered public questions, concerns and complaints and documented resolution of problems.
- Operated and Responsible for excavation maintenance, utility equipment ensuring optimal performance and reliability.
- Used hands or valve operating machines to open and close main valves to perform water main extensions or repairs.
Machine Operating
Utilities Unlimited, LLC
Manassas
05.2010 - 03.2018
- Performed daily equipment maintenance tasks to enhance machinery longevity and minimize unexpected downtime.
- Complied with all safety regulations and guidelines while operating heavy machinery in challenging weather conditions.
- Complied with all safety regulations while operating heavy machinery in challenging weather conditions to ensure safe operation.
pipe work, machine operator
William A Hazel
Chantilly
02.2001 - 05.2010
- Set up and adjusted equipment, configuring machines for optimal daily operation.
- Set up and adjusted equipment and properly configured machines for daily operation.
- Trained new employees on machine operation, reinforcing company standards and safety guidelines.
- Operated various types of machinery, contributing to the successful completion of diverse projects.
- Operated various types of machinery, facilitating successful completion of diverse projects.
Education
High School Diploma -
Colegio Centro America
Sonsonate, El SalvadorSkills
- Water treatment
- Equipment operation
- Mechanical repairs
- Technical troubleshooting
- Equipment maintenance
- Field inspection
- Routine inspections
- Safety inspection
- Safety procedures
- Confined space entry
- Excavation safety
- Basic mathematics
- Basic computer skills
- Problem-solving abilities
- Teamwork
- Excellent communication
Timeline
Master Technician
DC, Water
06.2026 - Current
Utility Tech. Crew Leader, equipment operator
Virginia American Water
03.2018 - 12.2025
Machine Operating
Utilities Unlimited, LLC
05.2010 - 03.2018
pipe work, machine operator
William A Hazel
02.2001 - 05.2010
High School Diploma -
Colegio Centro America