Summary
Work History
Education
Skills
TRANSMISSION & DISTRIBUTION EXPERIENCE
Timeline
Generic

RON AUMUA

Livermore

Summary

Utility executive and maintenance leader with 25+ years of experience leading transmission, distribution, substation, traction power, construction, and maintenance organizations. Currently serving as Temporary Substation Maintenance Supervisor at PG&E supporting transmission and distribution infrastructure. Extensive experience with high-voltage operations, contractor management, SAP work management, reliability programs, emergency response, and union workforce leadership.

Work History

Temporary Substation Maintenance Supervisor

PG&E
03.2026 - Current
  • Lead maintenance personnel supporting transmission and distribution substation assets.
  • Support maintenance, testing, inspection, and reliability activities for 4kV, 12kV, 21kV, 60kV, 70kV, 115kV, 230kV, and 500kV systems.
  • Manage SAP work execution, compliance programs, backlog prioritization, resource allocation, and maintenance planning.
  • Coordinate contractor activities, outage support, switching support, and emergency restoration efforts.
  • Oversee maintenance of transformers, breakers, switchgear, protection systems, station batteries, chargers, and station service equipment.
  • Partner with Operations, Engineering, and Construction teams to improve reliability and safety performance.

Senior Electrical Inspector

PG&E
  • Oversaw contractor crews performing transmission and distribution substation construction projects.
  • Performed QA/QC inspections ensuring compliance with PG&E standards and specifications.
  • Reviewed electrical drawings, protection schematics, construction packages, and as-built documentation.
  • Coordinated activities between Engineering, Construction Management, Operations, and Maintenance groups.

Assistant Superintendent

BART
  • Implemented SAP/CMMS work management processes, backlog reduction initiatives, and performance metrics to improve operational effectiveness.
  • Led safety initiatives, workforce development, emergency restoration efforts, and continuous improvement programs for high-voltage electrical infrastructure.
  • Partnered with Engineering, Operations, and Construction teams to develop maintenance strategies, capital project scopes, and asset replacement programs.
  • Coordinated outage planning, switching activities, contractor oversight, commissioning, and construction support for substation modernization and expansion projects.
  • Directed preventive, predictive, and corrective maintenance programs to improve system reliability, asset health, and regulatory compliance.
  • Supported transmission interconnections and utility coordination involving 60kV and 115kV power systems supplying traction power substations.
  • Oversaw maintenance and emergency response activities for power transformers, circuit breakers, switchgear, protective relays, station batteries, chargers, SCADA systems, and associated substation equipment.
  • Managed capital and operating budgets supporting substation, transmission, distribution, traction power, and facilities maintenance programs.
  • Led a workforce of more than 85 employees, including supervisors, foreworkers, electricians, technicians, and contractors.
  • Directed maintenance, testing, construction, and reliability programs for substations, transmission and distribution systems, traction power systems, and critical facilities infrastructure.

Substation Electrician

BART
  • Maintained and repaired electrical power systems ranging from 120V control circuits through 115kV transmission-class infrastructure.
  • Performed testing and maintenance on transformers, breakers, switchgear, relays, batteries, chargers, motors, and generators.
  • Supported traction power substations and critical infrastructure reliability.

Education

Industrial Electric -

Construction Craft Training Center
Hayward, CA

No Degree - Sociology

California State University, Northridge
Northridge, CA

Associate of Arts - General Studies

Chabot College
Hayward, CA
01.1995

Skills

    Substation Operations Transmission & Distribution High-Voltage Systems Asset Management SAP Work Management Utility Construction Contractor Management Capital Projects Reliability Programs Regulatory Compliance Emergency Response Workforce Leadership Safety Management Continuous Improvement Budget Administration

TRANSMISSION & DISTRIBUTION EXPERIENCE

  • Transmission Voltages: 60kV, 70kV, 115kV, 230kV, and 500kV
  • Distribution Voltages: 4kV, 12kV, 21kV, and 60kV
  • Equipment: Power Transformers, Circuit Breakers, Switchgear, CCVTs, Protection & Control Systems, Station Batteries, Chargers, Station Service Transformers, SCADA Interfaces, and Auxiliary Systems

Timeline

Temporary Substation Maintenance Supervisor

PG&E
03.2026 - Current

Senior Electrical Inspector

PG&E

Assistant Superintendent

BART

Substation Electrician

BART

Industrial Electric -

Construction Craft Training Center

No Degree - Sociology

California State University, Northridge

Associate of Arts - General Studies

Chabot College

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