SIGMA

Designs and manufactures precision metal components

Sanitary Welding Maintenance Technician

Equipment MaintenanceConfirmed live in the last 24 hours

Full-timeCity of Industry, CA, USA$28.98 - $41.92 /hrIn-person

About the Job

Requirements

A high school diploma or GED is required; technical or vocational training is preferred.
At least 5 years of industrial maintenance experience, preferably in food or beverage manufacturing.
Demonstrated experience performing sanitary TIG welding on stainless steel equipment and piping.
Strong knowledge of mechanical, electrical, hydraulic, and pneumatic systems.
Experience reading blueprints, electrical schematics, and technical manuals.
Ability to troubleshoot and repair production equipment independently.
Familiarity with Good Manufacturing Practices, food safety requirements, and Occupational Safety and Health Administration regulations.
Ability to stand, walk, bend, stoop, kneel, and climb for extended periods.
Ability to frequently lift, push, and pull up to 50 pounds; occasional lifting may exceed 50 pounds with assistance.
Comfort working in hot, cold, wet, and refrigerated environments, around moving mechanical parts, noise, and cleaning chemicals.
Willingness to work overtime, weekends, and holidays as business needs require.

Responsibilities

Perform preventive, predictive, and corrective maintenance on production and facility equipment.
Perform sanitary tungsten inert gas welding and fabrication on stainless steel equipment, piping, and components in accordance with food safety standards.
Read and interpret blueprints, schematics, and technical drawings to support equipment installations, modifications, and repairs.
Troubleshoot and diagnose mechanical, electrical, pneumatic, hydraulic, and programmable logic controller-related equipment issues.
Inspect equipment and systems to identify hazards, defects, and opportunities for improvement.
Repair or replace defective components, motors, pumps, valves, bearings, sensors, and electrical wiring.
Analyze equipment failures and implement solutions to minimize downtime and improve reliability.
Monitor equipment performance using gauges, meters, and testing instruments.
Assist with equipment startups, shutdowns, and commissioning activities.
Maintain spare parts inventory and recommend tools, equipment, and process improvements.
Document maintenance activities in maintenance systems and prepare technical reports as needed.
Partner with Production, Quality, and Sanitation teams to ensure compliance with food safety and Good Manufacturing Practices standards.
Support total productive maintenance and continuous improvement initiatives to increase efficiency, capability, and yield.
Mentor and guide Maintenance Technicians and help develop departmental best practices.

Desired Qualifications

Working knowledge of programmable logic controllers and automated manufacturing equipment.

Sanitary Welding Maintenance Technician

SIGMA · City of Industry, United States · Full-time · Posted 2026-07-17

Salary: USD 52,748–73,195

Workplace: on_site

Department: LA-SA Production 800032001

Description

Location: City of Industry, CA
Company: Los Altos Foods (Sigma)
Pay Range: $28.98 - $41.92 per hour

About Us

At Los Altos Foods, we are passionate about producing high-quality, authentic cheese products that families trust and enjoy every day. As part of Sigma, a global food company, we combine tradition with modern manufacturing to deliver consistent quality from our production lines to our customers' tables.

We are seeking a skilled and experienced Technician Maintenance Advanced to support our cheese manufacturing operations. This role requires advanced maintenance knowledge with a strong emphasis on sanitary welding, fabrication, and troubleshooting in a food manufacturing environment. The ideal candidate is hands-on, safety-focused, and committed to maintaining equipment reliability while supporting continuous improvement initiatives.

From cheese processing to packaging, your work will directly impact product quality, equipment reliability, food safety, and overall plant performance.

What You'll Do

Perform preventive, predictive, and corrective maintenance on production and facility equipment.
Execute sanitary TIG welding and fabrication on stainless steel equipment, piping, and components in accordance with food safety standards.
Read and interpret blueprints, schematics, and technical drawings to support equipment installations, modifications, and repairs.
Troubleshoot and diagnose mechanical, electrical, pneumatic, hydraulic, and PLC-related equipment issues.
Inspect equipment and systems to identify hazards, defects, and opportunities for improvement.
Repair or replace defective components, motors, pumps, valves, bearings, sensors, and electrical wiring.
Analyze equipment failures and implement solutions to minimize downtime and improve reliability.
Monitor equipment performance using gauges, meters, and testing instruments.
Assist with equipment startups, shutdowns, and commissioning activities.
Maintain spare parts inventory and provide recommendations for tools, equipment, and process improvements.
Document maintenance activities accurately within maintenance systems and prepare technical reports as needed.
Partner with Production, Quality, and Sanitation teams to ensure compliance with food safety and GMP standards.
Support TPM and continuous improvement initiatives to increase efficiency, capability, and yield.
Mentor and provide guidance to Maintenance Technicians and assist in developing best practices within the department.

Qualifications

High school diploma or GED required; technical or vocational training preferred.
Minimum of 5 years of industrial maintenance experience, preferably within a food or beverage manufacturing environment.
Demonstrated experience performing sanitary TIG welding on stainless steel equipment and piping.
Strong knowledge of mechanical, electrical, hydraulic, and pneumatic systems.
Experience reading blueprints, electrical schematics, and technical manuals.
Working knowledge of PLCs and automated manufacturing equipment preferred.
Ability to troubleshoot and repair production equipment independently.
Familiarity with Good Manufacturing Practices (GMPs), food safety requirements, and OSHA regulations.
Strong communication, problem-solving, and organizational skills.
Ability to work independently and prioritize multiple tasks in a fast-paced environment.

Physical Requirements & Work Environment

Ability to stand, walk, bend, stoop, kneel, and climb for extended periods.
Frequently lift, push, and pull up to 50 pounds; occasional lifting may exceed 50 pounds with assistance.
Comfortable working in varying temperatures, including hot, cold, wet, and refrigerated environments.
Must be able to work around moving mechanical parts, noise, and cleaning chemicals.
Willingness to work overtime, weekends, and holidays as business needs require.

Why Join Los Altos Foods?

At Los Altos Foods, you'll be part of a team that values quality, safety, and continuous improvement. Your expertise will play a critical role in maintaining the equipment that helps deliver products enjoyed by families across the country. If you're looking for an opportunity to grow your career while making a meaningful impact in food manufacturing, we'd love to hear from you.

Apply

Apply at SIGMA

About the Company

SIGMA

Designs and manufactures precision metal components

Sigma Engineered Solutions designs, makes, sources, and ships advanced metal parts. Its core processes are metal casting and precision metal stamping, using a network of 13 facilities located on-shore, near-shore, and offshore to produce and deliver components. The company combines design, manufacturing, and global sourcing to offer parts to customers worldwide. Its approach centers on converting raw metal into ready-to-use components through established foundry and stamping operations, followed by supply-chain services to ensure timely delivery. Compared with competitors, Sigma stands out by its wide geographic footprint and integrated sourcing network, enabling closer proximity to customers and more efficient procurement of materials. The company's goal is to provide high-quality, reliable metal components to customers around the world through end-to-end production and supply-chain capabilities.

Company size: 51-200
Company stage: Grant
Total funding: $250K
Headquarters: Cary, NC
Founded: 1982

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