Senior On-Site Portable Flange Facing Machinist

Petracarbon; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

Petracarbon is seeking an experienced In-Situ Flange Facing Machinist for on-site work at refineries, petrochemical plants, offshore platforms, and industrial facilities in Singapore. You will independently set up, operate, and maintain portable flange facing equipment while ensuring compliance with ASME standards and client specifications.

Travel, overtime, and reporting duties are required. The role emphasizes safety, quality, and hands-on troubleshooting, with responsibility to train junior

Qualifications

• Minimum 5 years of portable in-situ machining.
• Minimum 3 years in flange facing.
• Able to read engineering drawings and P&IDs.
• Willing to travel and work overtime, night shifts, weekends, and public holidays.

Responsibilities

• Perform on-site flange facing, resurfacing, and machining of pipe flanges using portable flange facing machines.
• Set up and operate portable machining equipment safely and efficiently.
• Machine RF, RTJ, T&G, and other flange profiles to the required surface finish.
• Carry out machining in accordance with ASME B16.5, ASME PCC-1, and client specifications.
• Verify flange dimensions, flatness, groove dimensions, and surface finish using measuring instruments.
• Read and interpret engineering drawings, machining procedures, and technical specifications.
• Perform equipment inspection, preventive maintenance, and minor repairs.
• Troubleshoot machining issues and recommend corrective actions.
• Prepare work reports, machining records, and inspection documentation.
• Conduct pre-job site inspections and risk assessments.
• Comply with all company HSE procedures, permit-to-work systems, and client safety requirements.
• Maintain good housekeeping of work areas and equipment.
• Provide guidance and on-the-job training to junior machinists and assistants.
• Liaise professionally with clients, supervisors, and other contractors on-site.
• Support other services when required.

Skills

Independent work

Willing to travel

OT & night shifts

Safety mindset

Tools

Climax

Mirage

DWT

Petracarbon Jupiter Series

Job description

Petracarbon is seeking an experienced In-Situ Flange Facing Machinist for on-site work at refineries, petrochemical plants, offshore platforms, and industrial facilities in Singapore. You will independently set up, operate, and maintain portable flange facing equipment while ensuring compliance with ASME standards and client specifications.

Travel, overtime, and reporting duties are required. The role emphasizes safety, quality, and hands-on troubleshooting, with responsibility to train junior