Maintenance Engineer

Westfall Technik Inc.; Union City (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Westfall Technik Inc. is seeking a Maintenance Engineer to ensure availability, reliability, and continuous improvement of plastic injection molding equipment.

You will lead corrective and preventive maintenance, drive improvements, and collaborate with Production, Quality, Tool Room, and Projects teams. The ideal candidate has 5+ years in plastics maintenance, strong mechanical/electrical knowledge, and experience with TPM, Lean, Kaizen, or Six Sigma.

Qualifications

• Minimum 5 years of experience in plastic injection machinery maintenance.
• Advanced knowledge of mechanical, electrical, and hydraulic systems.
• Familiarity with PLC programming and automation systems.
• Knowledge of hydraulics, pneumatics, PLCs, servo drives, robotics, and electrical schematics.
• Experience in TPM, Lean Manufacturing, Kaizen, or Six Sigma is desirable.
• Management of OEE, MTTR, and MTBF indicators.
• Strong analytical and critical thinking skills to diagnose and resolve complex issues.
• Technical leadership and work under pressure.
• Advanced English and Spanish language skills (preferable).

Responsibilities

• Corrective and Preventive Maintenance of plastic injection molding machines and auxiliary equipment.
• Inspect and maintain equipment; perform routine inspections and tests to prevent breakdowns.
• Troubleshoot mechanical, electrical, hydraulic, and pneumatic failures.
• Install equipment and oversee the installation of new machinery and systems.
• Provide support for chillers, regulators, material handlers, compressors, robots, and extraction systems.
• Document activities and ensure traceability in the IQMS system.
• Lead cost reduction and continuous improvement projects.
• Analyze and report on KPIs: MTBF, MTTR, PM compliance, downtime, OEE.
• Collaborate with Production, Tool Room, and Projects departments.

Skills

Communication

Presentation

Analytics

English & Spanish

Education

Mechanical, Electromechanical or Mechatronics

Tools

ERP/MRP systems

Job description

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The Maintenance Engineer is responsible for ensuring the availability, reliability, and continuous improvement of plastic injection molding machines and auxiliary equipment. This includes leading and implementing corrective, preventive, and predictive maintenance strategies, as well as implementing continuous improvement projects to optimize the area's KPIs (OEE, MTTR, MTBF, Uptime). He or she works collaboratively with the Production, Quality, Tool Room, and Projects departments.

Key Responsibilities

• Corrective and Preventive Maintenance
• Inspect and maintain equipment, conduct routine inspections, tests, and maintenance to prevent breakdowns and ensure maximum operation efficiency
• Trouble shoot and repair, through structured methods for diagnosis on mechanical, electrical, hydraulic, and pneumatic failures in plastic injection molding machines.
• Install equipment, overseeing or performing the installation of new machinery and systems.
• Provide support for auxiliary equipment: chillers, temperature regulators, material handlers, compressors, robots, and extraction systems.
• Document activities and ensure traceability in the IQMS system.
• Manage resources, handle budgets, supervise contractors, and coach technical staff.
• Planning and Continuous Improvement
• Develop, create and implement maintenance plans and procedures.
• Develop, execute, and monitor PM/TPM/RCM maintenance plans.
• Propose and implement improvements to reduce downtime, scrap, and energy consumption.
• Participate in Kaizen, SMED, equipment standardization, and critical spare parts optimization projects.
• Analyze and report on department KPIs: MTBF, MTTR, PM compliance, unscheduled downtime, OEE.
• Submit weekly/monthly performance reports to operations/maintenance leadership.
• Machine Maintenance and Continuous Improvement
• Monitor machine performance and support preventative maintenance schedules.
• Initiate and implement improvements to increase machine longevity, reduce downtime, and improve product quality.
• Support quick-change tool designs and lean manufacturing principles.
• Lead cost reduction initiatives through machine/EOAT improvements or process improvements.
• Documentation and Reporting
• Maintain up-to-date machine records, including drawings, BOMs, maintenance logs, and project tracking.
• Generate and present reports on maintenance development progress, issues, and performance metrics to stakeholders.
• Use analytical tools and systems to track machine cycle times, scrap rates, and changeover efficiencies.
• Cross-Functional Support
• Collaborate with Production and Tool Room for rapid mold startups, validations, and releases.
• Coordinate support with external suppliers when specialized intervention is required.
• Ensure compliance in audits under ISO/IATF/FDA/Medical-grade standards (if applicable).

Specific Skill Set

Communication

Strong verbal and written communication skills to interact with vendors, internal teams, and customers.

Presentation

Ability to develop and deliver effective presentations for machines design reviews, project status meetings, and root cause investigations.

System

Familiarity with ERP/MRP systems for BOM management, part tracking, and cost analysis.

Analytics

Data-driven mindset, using statistical analysis and SPC data to drive decisions and improvements.

Exposure

• Mechanical Engineering, Electromechanical Engineering, Mechatronics, or similar field.
• Minimum 5 years of experience in plastic injection machinery maintenance.
• Advanced knowledge of mechanical, electrical, and hydraulic systems, with familiarity in areas like PLC programming and automation systems.
• Knowledge of hydraulics, pneumatics, PLCs, servo drives, robotics, and electrical schematics.
• Experience in TPM, Lean Manufacturing, Kaizen, or Six Sigma is desirable.
• Management of OEE, MTTR, and MTBF indicators.
• Strong analytical and critical thinking skills to diagnose and resolve complex issues.
• Technical leadership, and work under pressure skills.
• Advanced English and Spanish language skills (preferable)

ESSENTIAL FUNCTIONS AND PHYSICAL DEMANDS

• The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
• Must be able to lift and move 100lbs

WORK ENVIRONMENT

The work environment is usually in an office within a manufacturing facility with low to moderate noise level. The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.

• Ability to work well with others, one on one, remote, via video and phone.
• Ability to work independently

Westfall -Technik is an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, national origin, ancestry, sex, gender, gender identity, gender expression, pregnancy, childbirth or related medical conditions, religious creed, physical disability, mental disability, age for individuals age 40 and over, medical condition (as defined by state law (for example, cancer or genetic characteristics or HIV/AIDS), marital status, military and veteran status, sexual orientation, genetic information, citizenship status or any other characteristic protected by federal, state or local law. Our management team is dedicated to this policy with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities and general treatment during employment