JESSIK ARMSTRONG
Fremont,CA
Summary
Industrial Maintenance Supervisor and Technician experienced in operating, monitoring, and maintaining mechanical and electrical systems in safety-critical environments. Strong background in pumps, motors, hydraulics, inspections, documentation, and shift operations. Proven team player with a safety-first mindset and the ability to follow procedures, respond to abnormal conditions, and support reliable wastewater and utility plant operations.
Overview
21
21
years of professional experience
Work History
Maintenance Supervisor
Cargill
Newark, CA
10.2024 - Current
- Lead daily shift handoffs and coordinate operational priorities across maintenance teams.
- Review job safety analyses (PJHAs) and ensure work is performed safely and per procedure.
- Monitor equipment condition and escalate abnormal operating conditions.
- Perform routine inspections and audits to verify work quality and system reliability.
- Maintain work orders, labor tracking, and operational documentation.
- Support corrective and emergency maintenance activities as required.
Industrial Maintenance Technician
Cargill
Newark, CA
04.2021 - 10.2024
- Operated, monitored, and maintained industrial mechanical and electrical equipment.
- Diagnosed equipment malfunctions and restored safe operating conditions.
- Performed pump and motor alignment, installation, and removal.
- Conducted preventive maintenance inspections and routine servicing.
- Interpreted schematics, manuals, and standard operating procedures.
- Followed all safety rules, lockout/tagout procedures, and hazard controls.
Diesel Mechanic
Delta Global Services
San Francisco, CA
03.2012 - 04.2021
- Operated and maintained mechanical systems supporting 24/7 operations.
- Diagnosed and repaired engines, generators, and auxiliary equipment.
- Worked with high-voltage electrical systems and rotating equipment.
- Completed maintenance documentation and followed strict safety protocols.
Plumbing & Mechanical Trades Experience
Bay Area
CA
01.2005 - 02.2012
- Installed and maintained piping systems, pumps, valves, and fixtures.
- Read drawings, followed specifications and procedures, responded to emergency service calls, and supported system reliability.
Education
GED -
Sunset High School
Hayward, CASkills
- Equipment Operation & Monitoring
- Pumps & Motors
- Mechanical Systems
- Preventive Maintenance & Inspections
- Troubleshooting & Corrective Actions
- Lockout/Tagout
- OSHA & Safety Compliance
- Documentation & Logs
- Team Communication
- Shift Handoffs
- Hand & Power Tools
Timeline
Maintenance Supervisor
Cargill
10.2024 - Current
Industrial Maintenance Technician
Cargill
04.2021 - 10.2024
Diesel Mechanic
Delta Global Services
03.2012 - 04.2021
Plumbing & Mechanical Trades Experience
Bay Area
01.2005 - 02.2012
GED -
Sunset High School