Maintenance Supervisor with Gruma Corporation dba Mission Foods (Fife, WA)
Design and optimize mechanical systems, lead reliability and preventive maintenance initiatives, and provide technical oversight to maintenance technicians—safeguarding product quality, personnel safety, and regulatory compliance across multiple shifts. Modify and repair conveyors, ovens, coolers, mixers, and packaging machinery to increase throughput, reduce energy consumption, and meet USDA/FDA sanitary design standards. Prepare detailed engineering drawings, bills of material, and technical specifications for new installations and retrofits using CAD and FEA tools. Develop and own the plant’s preventive maintenance (PM) and condition-based monitoring programs—including vibration analysis, oil analysis, and infrared thermography—to extend asset life and achieve ≥95 % planned labor utilization. Generate maintenance procedures, work instructions, and checklists; verify execution through regular
audits and KPI reviews. Lead failure mode and effects analysis (FMEA) and root cause investigations for chronic downtime events; recommend design changes or process adjustments to eliminate recurring faults and achieve best in class MTBF. Track downtime data, create Pareto analyses, and present counter measures to plant leadership. Manage capital projects from scope development through start up: prepare cost estimates, write RFQs, evaluate vendor proposals, and coordinate contractors during equipment installation, commissioning, and validation. Ensure projects are executed on time, within budget, and in compliance with ASME, NFPA, NEC, and company safety standards. Provide day to day engineering support to production supervisors and technicians, troubleshooting complex mechanical, pneumatic, and hydraulic issues. Deliver ongoing skill building sessions on precision maintenance, lock out/tag out (LO/TO), and new technology rollouts; mentor technicians in reading schematics and interpreting engineering documentation. Conduct monthly safety training and engineering reviews to maintain zero lost time incidents; investigate any injuries within 24 hours and complete detailed engineering analyses within 48 hours. Champion food safety and GMP adherence by integrating hygienic design principles into all mechanical systems. Standardize maintenance workflows across shifts to drive consistency and maximize Overall Equipment Effectiveness (OEE). Establish and monitor KPIs—downtime per line, PM compliance, spare parts turns, energy intensity—and implement Kaizen and Six Sigma initiatives to surpass plant
targets.
Position supervises five employees.
Requirements: Position requires a Bachelor’s in Bachelor’s in Mechanical Engineering, Electrical Engineering, Mechatronics or related field. Requires 2 years of experience. Must have some experience or education in each of the following skills: Performing predictive and preventive maintenance engineering on manufacturing equipment; Troubleshooting and repairing complex mechanical, electrical, or control systems; Using a Computerized Maintenance Management System; Developing and executing strategic asset management plans; Applying formal root cause and reliability methodologies to eliminate chronic equipment failures and increase Mean Time Between Failures; Leading, coaching, and evaluating maintenance or engineering direct reports; Managing capital improvement or maintenance projects; Implementing Lean Manufacturing and/or Six Sigma tools; Interpreting mechanical drawings or electrical schematics to diagnose issues and guide corrective actions; Communicating technical findings and project status to cross functional stakeholders through written reports, presentations, and on floor briefings.
Salary: $87,110 - $98,111 per year
To apply please email MFRecruitment@missionfoods.com
Gruma Corporation and its affiliates, including but not limited to Azteca Milling, L.P., are committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin, ancestry, sex, gender, age, physical or mental disability, veteran or military status, genetic information, sexual orientation, gender identity, gender expression, marital status, or any other legally recognized protected basis under federal, state, or local law. The information collected by this application is solely for the purposes of determining suitability for employment, verifying your identity, and maintaining employment statistics on applicants. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act as well as state and local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity with-out imposing undue hardship on Gruma. Please inform the company's personnel representative if you need assistance completing any forms or to otherwise participate in the application process.
Standard Company benefits.
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