Maintenance Mechanic 3 (R)

Sanmina Corporation; Región Centro; On-site; MXN 300,000 - 420,000; Full time

Job summary

Sanmina Corporation in Mexico is seeking a Maintenance Mechanic 3 with 2–3 years of experience in substations and maintenance of electrical installations across LV/MV/HV. The role involves ensuring reliable electrical and mechanical systems, interpreting diagrams, and applying industrial safety and ISO 9000 standards.

The incumbent will support HVAC, mechanical equipment, and power systems, performing routine, preventive, and predictive maintenance to keep campus operations running smoothly.

Qualifications

• Minimum experience of 2 to 3 years in the area of electrical substations and maintenance of electrical installations in low, medium and high voltage.
• Knowledge of maintenance in electrical and mechanical installations, interpretation of electrical diagrams, motor control.
• Basic knowledge of emergency plants, air conditioning equipment, document control, ISO 9000, industrial safety, and basic English.

Responsibilities

• Maintain the adequate and correct functioning of the substation equipment and electrical rooms.
• Maintain mechanical equipment and HVAC of the Campus.
• Perform daily routine of electromechanical equipment and preventive/predictive maintenance.
• Comply with ISO standards and keep documentation updated.

Skills

Electrical substation maintenance

HVAC maintenance

Electrical diagrams interpretation

Industrial safety

Basic English

Teamwork

Proactive mindset

Electrical measuring equipment

Office software

Education

Electromechanical Engineer or Technician

Tools

HVAC equipment

Electrical measuring tools

Office software tools

Job description

Description

Sanmina Corporation (Nasdaq: SANM) is a global powerhouse in integrated manufacturing solutions serving the fastest growing segments of the global Electronics Manufacturing Services (EMS) market. We are a global engine providing the end-to-end manufacturing backbone for the world's most essential and innovative brands. Whether it's autonomous vehicles, life-saving medical tech, next-gen aerospace, or AI/cloud infrastructure - our integrated solutions don’t just meet standards—they redefine them. Maintenance Mechanic 3 Education: Electromechanical Engineer or Technician Experiencie: Minimum experience of 2 to 3 years, In the Area of Electrical Substations and Maintenance of Electrical Installations in low, medium and high voltage (0.480, 23 and 69 KV). Knowledge: Maintenance in Electrical and Mechanical Installations, Interpretation of Electrical Diagrams, Motor Control, Basic Knowledge of Emergency Plants, Basic Knowledge of Air Conditioning Equipment, Document Control, ISO 9000, Industrial Safety, Basic English. Skills/ Competencies : Responsible, proactive, Availability of schedule, skills in language oral and writed, Work under pressure, Teamwork, Use industrial equipment, electrical measuring equipment, Use Computer Equipment (Office). Responsabilities/ Activities: Maintain the adequate and correct functioning of the substation equipment, electrical rooms, electrical installations of the Campus. Maintain the adequate and correct functioning of the Mechanical Equipment and HVAC of the Campus Perform daily routine of electromechanical equipment. Perform Preventive, Predictive Maintenance to Electromechanical Equipment Equipment. Comply with and keep updated all the requirements of ISO Standards.