Mechanical Supervisor

Prima Corporation Limited (Prima) is the leading manufacturer of preforms and caps, in West Africa, focused on the beverage industry. Established in 1965, Prima repositioned its business in 2005 to focus on the manufacturing of preforms and caps. Since then Prima has been exceeding market growth, year on year, and has established a position as the clear market leader in this industry.

We are recruiting to fill the position below:

Job Title: Mechanical Supervisor

Location: Alaba Coker, Lagos
Employment Type: Full-time
Department: Asset Care

About the Role

• The Mechanical Supervisor oversees the mechanical reliability, maintenance, and uptime of high-output Husky injection molding systems and auxiliary equipment.
• This role manages a team of technicians to optimize production efficiency, maintain resin drying systems, and ensure the precise operation of mold dehumidifiers in a high-speed manufacturing environment

Primary Duties & Responsibilities
Husky Machinery & Automation Maintenance:

• Supervise mechanical repairs, routine servicing, and overhauls on Husky molding platforms.
• Monitor and maintain clamping units, high-speed toggle mechanisms, tie-bars, and structural alignments.
• Oversee the mechanical timing and alignment of Husky take-out plates, robotic arms, and product handling systems.

Auxiliary Systems Management:

• Manage preventive maintenance for industrial resin dryers, including desiccant wheel inspections, heater checks, and airflow calibrations.
• Oversee mold dehumidifier units to ensure stable dew points and prevent mold sweating during production.
• Maintain central water chilling loops, manifold connections, and pneumatic supply lines.

Team Leadership & Mold Changes:

• Direct, train, and schedule daily tasks for mechanical technicians and mold setters.
• Coordinate multi-cavity hot runner mold changes, ensuring correct mechanical seating and utility hookups.
• Enforce strict Lockout/Tagout (LOTO) protocols and plant safety regulations during all maintenance activities.

Diagnostics & Inventory Control:

• Troubleshoot complex hydraulic systems, proportional valves, pumps, and pneumatic circuits.
• Track and maintain inventory for critical spare parts, including seals, O-rings, toggle pins, and filters.
• Document machine downtime, root-cause analyses, and completed maintenance tasks.

Qualifications & Requirements

• Extensive knowledge of Husky PET Injection Molding Machines, including hydraulic, pneumatic, and cooling systems.
• Hands-on experience with SACMI equipment and related plastic packaging manufacturing processes.
• Strong understanding of injection molding operations, mold maintenance, hot runner systems, and mold cooling circuits.
• Ability to troubleshoot mechanical breakdowns, perform root cause analysis, and implement effective corrective actions.
• Experience in preventive, predictive, and corrective maintenance programs to maximize equipment uptime.
• Knowledge of auxiliary systems such as air compressors, chillers, cooling towers, and vacuum systems.
• Ability to read and interpret engineering drawings, technical manuals, and mechanical schematics.
• Strong leadership, safety, and team management skills, with experience supervising technicians and contractors in a manufacturing environment.

Key Competencies:

• Husky & SACMI Equipment Maintenance
• Injection Molding & Mold Systems Expertise
• Mechanical Troubleshooting & Root Cause Analysis
• Preventive & Predictive Maintenance
• Team Leadership & Maintenance Planning.

What We Offer

• Competitive salary and benefits
• Growth and training opportunities
• Supportive and safety-focused work environment
• Employee Welfare – HMO, Staff Bus, Staff Canteen.

Application Closing Date
10th November, 2026.

How to Apply
Interested and qualified candidates should send their CV and explain why you’re interested in this position to: [email] using the Job Title as the subject of the email.

Note: Only those that meet specified job requirements will be contacted.