Mill Supervisor

Job Title: Mill Supervisor – Process Erection & Commissioning (VRM & Ball Mill | FLSmidth OEM)

Location: Santiago – Cuba

Job Duration: 1 Year+

Language: Spanish is Mandatory

About the Role

We are seeking an experienced Mill Supervisor – Process Erection & Commissioning with strong hands-on expertise in the process commissioning and start-up of FLSmidth Vertical Roller Mills (ATOX / OK™ Mills) and Ball Mills. This is a project-focused role, responsible for leading and supervising process-related activities during erection support, pre-commissioning, commissioning, start-up, performance testing, and handover to operations, ensuring safe execution and achievement of design and performance targets.

Key Responsibilities

Process Support During Erection & Installation

• Provide process oversight during erection and installation of FLSmidth VRM and Ball Mill systems, ensuring process requirements and OEM recommendations are correctly implemented.
• Review system readiness from a process perspective, including gas flow paths, material transport circuits, separators, dampers, ducts, and auxiliaries.
• Coordinate with mechanical, electrical, and instrumentation teams to ensure process interfaces and interlocks are correctly installed and functional.
• Support contractor and site teams to ensure erection activities meet process design intent and commissioning readiness.

Pre-Commissioning & Commissioning (Process-Focused)

• Lead and execute process pre-commissioning activities, including system checks, dry runs, interlock verification, and operational readiness.
• Supervise and participate in No Load Tests (NLT) and initial system trials in line with FLSmidth commissioning procedures.
• Support and lead load commissioning, focusing on process stabilization of VRM and Ball Mill systems.
• Commission and optimize key process parameters, including:
• Mill feed rate and material characteristics
• Grinding pressure and bed stability
• Mill vibration and differential pressure
• Gas flow, mill outlet temperature, and pressure balance
• Separator performance (rotor speed, cut size, efficiency)
• Work closely with CCR operators and automation teams during commissioning and start-up.

Start-up, Stabilization & Performance Support

• Lead first material feed, ramp-up, and stabilization to achieve design throughput, product quality, and energy consumption targets.
• Identify and troubleshoot process-related issues such as high vibration, high DP, unstable grinding bed, poor separation efficiency, or quality deviations.
• Support execution of performance guarantee and reliability tests during the commissioning phase.
• Implement corrective actions and fine-tuning based on process trends and operating data.

Safety, Quality & Compliance

• Enforce FLSmidth safety standards, plant safety rules, and permit-to-work systems during commissioning and start-up activities.
• Conduct toolbox talks and participate in risk assessments related to commissioning operations.
• Ensure commissioning activities comply with environmental and dust emission norms.

Coordination, Reporting & Handover

• Act as the process focal point between project management, OEM specialists, contractors, and client representatives.
• Monitor commissioning progress, identify process risks, and recommend mitigation measures.
• Prepare commissioning reports, process logs, punch lists, and performance summaries.
• Support training of plant operations teams and ensure a smooth handover from project phase to O&M.

Qualifications & Experience

• Diploma or bachelor’s degree in chemical, Mechanical, or Production Engineering.
• Minimum 10 years of experience in cement plant projects with strong exposure to process erection support, commissioning, start-up, and stabilization of FLSmidth VRM and Ball Mill systems.
• FLSmidth OEM training or certifications will be a strong advantage.

Technical Skills

• Strong process expertise in FLSmidth ATOX Raw Mills and OK™ Cement Mills.
• In-depth understanding of VRM and Ball Mill process control philosophy.
• Hands-on experience with FLS ECS / ProcessExpert or similar advanced process control systems.
• Proven ability to analyze trends and troubleshoot process instability during start-up.

Key Competencies

• Strong coordination skills across multi-disciplinary project teams.
• Ability to work under commissioning timelines and operational pressure.
• Clear, structured communication with CCR, OEM, and client teams.
• Hands-on, process-driven, and results-oriented approach.