Packaging Plant Reliability Mechanic

100Hires, Inc.; Milwaukee (WI); On-site; USD 47,000 - 56,000; Full time

Job summary

Greif is seeking a Packaging Plant Reliability Mechanic to keep automated packaging lines in peak condition through preventive care, diagnostics, and timely repairs. You will document work, follow standards, and support safe, efficient operations in a dynamic manufacturing setting.

The role features 2nd and 3rd shift schedules with hourly pay ranging from $34.35 to $40.99, reflecting experience. Strong skills in troubleshooting electrical/hydraulic/pneumatic systems are essential for success.

Qualifications

• High school diploma or equivalent; typically 2–4 years of relevant experience.
• Ability to read electrical and mechanical drawings and work orders.
• Strong problem-solving and communication skills in a fast-paced manufacturing environment.

Responsibilities

• Execute preventive maintenance following PM procedures.
• Run diagnostics, troubleshoot issues, and repair equipment as needed.
• Document maintenance activities, parts used, and outcomes.
• Inspect and maintain shop tools; inventory and request replacements.
• Assist with projects to install or relocate machinery and equipment.
• Follow safety procedures and complete related paperwork.

Skills

Problem-solving

Diagnostic testing

Electrical systems

Hydraulics experience

Pneumatics troubleshooting

Reading drawings

Education

High school diploma or equivalent

Tools

Diagnostic equipment

Hand tools

Power tools

Job description

Make a tangible impact keeping essential packaging lines runningGreif is a global packaging leader operating in 40 countries, supplying trusted, innovative, and tailored solutions to many of the world’s most in‑demand industries. Our portfolio spans Customized Polymer, Sustainable Fiber, Durable Metal, and Integrated Solutions. Explore more at www.greif.com and follow Greif on Instagram and LinkedIn.Our vision: to be the world’s best customer service company. Our purpose: to create packaging solutions for life’s essentials.Role snapshotAs a Packaging Plant Reliability Mechanic, you’ll keep automated equipment in peak condition through systematic preventive care, sharp diagnostics, and well‑executed repairs. You’ll document your work thoroughly, follow technical standards, and contribute to safe, efficient operations.A day in the lifeYour shift begins with a review of open work orders and recent downtime notes. You walk the line, listening for anomalies, checking fluid levels, and verifying sensor calibrations. A machine flags a performance dip—your diagnostic tools confirm the issue, you isolate the cause, source the needed parts, and complete a targeted repair. Before clocking out, you update records, flag a future adjustment, and verify that shop tools are ready for the next colleague.Schedule & payShifts: 2nd Shift: 2:30pm–10:30pm; 3rd Shift: 10:30pm–6:30amPay (based on experience): $34.35 – $40.99 per hourCore responsibilitiesExecute preventive maintenance in line with established PM procedures.Conduct visual inspections; verify fluid levels; lubricate; clean; tighten and adjust components; replace parts; calibrate sensors and gauges.Run diagnostic tests to evaluate equipment condition, performance, and functionality.Troubleshoot by testing, assessing symptoms, and using diagnostic tools to pinpoint causes.Identify materials, spares, and tools needed to complete minor to moderate repairs.Document all maintenance and repair activities, including parts used and work performed.Offer recommendations for future repairs or adjustments when appropriate.Proactively inspect and maintain shop tools and equipment to keep them in good working order.Maintain supplies by inventorying stock, placing replacement orders, and receiving/verifying deliveries.Request replenishment of commonly used items as needed.Assist with projects to install, modify, or relocate machinery and equipment.Work from technical documents, diagrams, sketches, operating manuals, manufacturer instructions, blueprints, schematics, and Process & Instrumentation Diagrams (P&IDs).Provide feedback on ongoing or recurring issues.Complete all associated paperwork: work orders, parts requests, RCA reports, PM and runtime inspection sheets, and downtime reports.Follow guidance from senior mechanics.Support junior mechanics with routine questions as needed.Adhere to operational and company safety procedures and practices.Perform other duties as assigned.Education & experienceHigh school diploma or equivalent; typically 2–4 years of relevant experience.Knowledge & skillsProven ability to select and operate appropriate hand, power, specialty tools, and diagnostic equipment.Operational understanding of automated industrial machinery and electrical, hydraulic, and pneumatic systems.Ability to read and interpret electrical/mechanical drawings and work orders.Strong problem‑solving abilities; communicates issues and solutions effectively with team members.Comfortable managing multiple priorities in a fast‑paced environment.Capable of troubleshooting, disassembling, and reassembling manufacturing equipment.Clear written and verbal communication skills.Works effectively with limited supervision.Proficient with Microsoft Office and related software.Preferred proficienciesMechanical Troubleshooting SkillsHydraulics ExperiencePneumatics TroubleshootingMaintenance and Repair SkillsExperience in a Manufacturing EnvironmentWhy GreifAt Greif, your work has purpose, colleagues care about your well‑being, and you’ll have room to grow and thrive. Service and leadership are at the heart of how we operate. With a global presence, we have a platform to do good in the world—while delivering exceptional results for our customers.