Senior Millwright

Greif South Africa Plastics (Pty) Ltd – Cosmo; South Africa; On-site; ZAR 350,000 - 550,000; Full time

Benefits offered by this job

Competitive benefits

Total Rewards program

Job summary

Greif, Inc. is seeking an experienced maintenance professional to troubleshoot and repair electrical, mechanical, hydraulic, and pneumatic systems across our global facilities.

You will perform instrumentation work, calibrations, and loop checks, diagnose PLC/HMI/drive issues, and translate findings into actionable work orders. You will plan and execute preventive maintenance, conduct root cause analyses, and collaborate with production, engineering, and EHS teams to ensure safe operations and

Qualifications

• Advanced troubleshooting across electrical, electronic, mechanical, hydraulic, pneumatic, and instrumentation/control systems.
• Ability to read schematics, P&IDs, wiring diagrams and update documentation.
• Experience using CMMS to schedule work, track histories, and analyze failures.

Responsibilities

• Troubleshoots, repairs, and rebuilds electrical/electronic, mechanical, hydraulic, and pneumatic equipment to restore safe operation.
• Performs instrumentation and controls work, including installation and calibration of sensors, transmitters, analyzers, valves, and related devices.
• Diagnoses PLC/HMI/drive issues, isolates faults and implements corrective actions with controls specialists as needed.
• Executes preventive and predictive maintenance and translates findings into work orders to reduce downtime.
• Conducts root cause analyses and recommends reliability improvements and design changes.
• Plans and prioritizes work orders, determines repair approach, and coordinates with operations for safe startup.
• Completes calibrations and maintains records; updates CMMS histories and asset hierarchies.
• Identifies critical spares and provides input on MRO inventory and vendor selection.
• Reads and updates electrical schematics and P&IDs; suggests design improvements for maintainability.
• Mentors colleagues and may lead small maintenance tasks or contractor activities on shift.

Skills

Electrical troubleshooting

Mechanical troubleshooting

Hydraulic systems

Pneumatic systems

Instrumentation & controls

PLC/HMI/drive diagnostics

CMMS experience

Safety compliance

Education

High School diploma or equivalent

Job description

Greif is a global leader in performance packaging located in 40 countries. The company delivers trusted, innovative, and tailored solutions that support some of the most in demand and fastest-growing industries. With a commitment to legendary customer service, operational excellence, and global sustainability, Greif packages life's essentials - and creates lasting value for its colleagues, customers, and other stakeholders. Learn more about the company's Customized Polymer, Sustainable Fiber, Durable Metal, and Integrated Solutions at www.greif.com and follow Greif on Instagram and LinkedIn. OUR VISION: To Be the Advantage That Helps Our Customers Win. OUR PURPOSE: Creating packaging solutions for life's essentials.

Key Responsibilities

• Troubleshoots, repairs, and rebuilds electrical/electronic, mechanical, hydraulic, and pneumatic equipment to restore safe and reliable operation.
• Performs instrumentation and controls work, including installation, calibration, configuration, and loop checks of sensors, transmitters, analyzers, valves, and related devices.
• Diagnoses PLC/HMI/drive issues at the I/O and device level; isolates faults using schematics, P&IDs, ladder logic, and diagnostic tools; implements corrective actions or partners with controls specialists as needed.
• Executes preventive and predictive maintenance (e.g., vibration, infrared, oil analysis, ultrasound) and translates findings into work orders that reduce unplanned downtime.
• Conducts root cause analyses of recurring failures; recommends and implements reliability improvements (design changes, condition monitoring routes, spare‑part strategies).
• Plans and prioritizes work orders, determines repair approach (repair/replace/upgrade), and coordinates with operations to schedule equipment access and safe startup.
• Completes calibrations and documentation to required standards; maintains as‑found/as‑left records and updates CMMS histories and asset hierarchies.
• Identifies and requests critical spares; provides technical input to MRO inventory, vendor selection, and service contract needs.
• Reads and updates technical drawings (electrical schematics, P&IDs, single‑line diagrams) and suggests design improvements for maintainability and reliability.
• Partners with production, engineering, quality, and EHS to ensure safe work practices (e.g., lockout/tagout) and compliance with company procedures and applicable standards.
• Mentors colleagues and shares troubleshooting/reliability best practices; may lead small maintenance tasks or contractor activities on shift.
• Performs other duties as assigned.

Education and Experience

Typically possesses High School diploma (or equivalent) and 4 or more years of experience.

Knowledge & Skills

Advanced troubleshooting skills across electrical, electronic, mechanical, hydraulic, pneumatic, and instrumentation/control systems. Proficiency in instrumentation calibration, loop checks, and documentation; familiarity with common industrial devices and communication protocols. Ability to interpret, apply, and update schematics, wiring diagrams, and P&IDs; working knowledge of PLC, HMI, and drive diagnostics at the device/I/O level. Experience using CMMS to schedule work, track histories, and analyze failure data; understanding of reliability metrics such as MTBF and MTTR. Competence in predictive and preventive maintenance methods (vibration, infrared, oil analysis, ultrasound) and converting findings into corrective actions. Strong commitment to safety and compliance with electrical and mechanical safety standards, company procedures, and regulatory codes. Effective communication and collaboration skills, with the ability to mentor peers and coordinate with vendors and contractors. Continuous improvement orientation with the ability to recommend design changes and improved work practices to enhance uptime and quality.

At Greif, we believe that our colleagues are the center of our success. Our Total Rewards have a comprehensive focus on well‑being and offer a competitive package that enables you to thrive, be engaged, and reach your full potential.

We offer a competitive salary, excellent benefits and opportunity for growth.

Greif is an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of sex, race, religion, age, national origin, color, disability, veteran status or any other any other legally protected characteristic.

For more information read Greif's Equal Opportunity Policy.

EEO Statement: https://www.greif.com/wp-content/uploads/2023/04/HR-101-Equal-Employment-Opportunity-Policy-English.pdf

Founded in 1877, Greif is a global leader in performance packaging located in 40 countries. The company delivers trusted, innovative, and tailored solutions that support some of the world's most demanding and fastest-growing industries. With a commitment to legendary customer service, operational excellence, and global sustainability, Greif packages life's essentials - and creates lasting value for its colleagues, customers, and other stakeholders.