Mechanical Maintenance Manager

Designation (Business Title): Mechanical Maintenance Manager
Function: Engineering, Maintenance & Utility Services
Department: HS&E
Reports To: Site Head
Superiors Superior: Site Head
Location: Rayong, Thailand

1) Job Purpose

To lead mechanical maintenance and support the execution of mechanical scope during the project and operational phases. This includes ensuring mechanical reliability, managing one-time capital (OTC) and improvement projects, driving statutory compliance, and overseeing plant modifications and expansions in alignment with Thai regulatory requirements and global standards.

2) Dimensions

• Financial: USD 150 million project
• Staffing: 2 direct reports
• Volume: 125 KTPA in Phase-1
• Customers: Project team during project phase; functional and department heads during operations; vendors and contractors (manpower & materials)
• Technology: Knowledge of new safety devices, DCS, SAP, continuous manufacturing process, and advanced process/utility equipment

3) Job Context & Major Challenges

Job Context:
The Rayong plant is a greenfield carbon black manufacturing unit requiring high mechanical reliability and statutory compliance. The Mechanical Maintenance Manager plays a critical role in managing end-to-end mechanical functions from installation and commissioning during the project phase to ensuring long-term reliability during operations.

Job Challenges:

• Leading mechanical commissioning in coordination with design consultants, our clients global engineering team, contractors, and internal stakeholders
• Managing statutory inspections and certifications with DIW and other authorities
• Balancing cost, compliance, and reliability in a dynamic regulatory environment
• Developing local Thai vendors while ensuring quality and timely delivery

4) Principal Accountabilities

Mechanical Maintenance Management (20% post-SOP)

• Lead planning, scheduling, and execution of preventive, predictive, and corrective maintenance programs for all mechanical equipment
• Resolve equipment failures using root cause analysis and implement corrective actions
• Maintain equipment history and performance KPIs in CMMS
• Coordinate planned shutdowns and turnaround activities

Project Execution Support (45%)

• Support project phase including design reviews, site execution, mechanical installation, and pre-commissioning
• Lead installations and punch-list closures
• Ensure system readiness and compliance with design intent

Asset Integrity & Reliability (10%)

• Implement reliability engineering practices like RCM, FMEA
• Ensure compliance with international standards and codes
• Manage condition monitoring (vibration analysis, thermography, oil analysis, etc.)

Spare Parts Management (5%)

• Identify critical spares and review consumption monthly
• Monitor procurement in coordination with Purchase and Stores departments

OTC (CAPEX) Plant Modifications, Expansion & Improvement Projects (5%)

• Plan and execute CAPEX and improvement projects for efficiency, safety, and compliance
• Coordinate with engineering, procurement, and finance for timely delivery
• Ensure compliance with TIS, DIW, and safety norms

Safety & Risk Management (5%)

• Enforce safety practices such as LOTO and permit-to-work
• Conduct HAZID, risk assessments, toolbox talks
• Ensure compliance with OHS and factory safety standards

Team and Vendor Development (5%)

• Build and mentor a competent team of engineers and technicians
• Drive training, skill development, and succession planning
• Develop local vendors and fabricators

Budgeting & Cost Control (5%)

• Prepare and monitor annual maintenance budgets
• Drive cost-saving initiatives and optimize spares usage

5) Job Purpose of Direct Reports

To supervise plant-level mechanical maintenance and ensure asset reliability for trouble-free operations.

6) Relationships

Internal (Daily):
Production, Utilities, Projects, EHS, Procurement, Stores Coordination for maintenance, shutdowns, and projects

External:

• DIW, third-party inspectors, vendors, and fabricators Coordination for inspections, permits, execution, and supplies (on-site or on-call, daily)
• Contractors and vendors (manpower & materials) Weekly engagement for orders, delivery, and dispute resolution

7) Ideal Persona for the Role

Functional Knowledge and Skills:

• Proficient in SAP PM or similar CMMS
• Knowledge of ASME, API, ISO standards and Thai regulations (DIW, TIS, Labor Laws)
• Familiar with Lean Maintenance, Six Sigma, TPM
• Strong analytical and decision-making abilities
• Effective cross-functional and multicultural collaboration
• Budgeting and spares management experience
• Experienced in internal and third-party audits

Education & Experience:

• B.E./B.Tech in Mechanical Engineering (Thai Council of Engineers license preferred)
• Minimum 10 years of experience in mechanical maintenance and project execution within continuous process industries (carbon black, petrochemical, chemical)
• Familiarity with Thailand’s statutory maintenance framework

Behavioral Skills:

• Strong communication and interpersonal skills

Miscellaneous Requirements:

• Willingness to travel and be stationed at project site during project phase
• Skilled in data analysis

Must-Have:

• Solid grasp of maintenance budgeting, spares planning, contractor management
• Experience with mechanical audits (internal and external)

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