Lead CNC HBM Operator – Large Oil & Gas Parts

Sigma Engineering Works LLC; Abu Dhabi; On-site; AED 89,000 - 134,000; Full time

Job summary

Sigma Engineering Works LLC is seeking an experienced CNC Horizontal Boring Machine operator for large oil and gas components in Abu Dhabi. You will set up, program at operator level, and operate HBMs to meet tight tolerances on critical parts.

Responsibilities include reading drawings, GD&T, API specs, aligning heavy workpieces, selecting tools, editing programs, performing boring and milling, inspecting with precision instruments, and maintaining safety and quality standards within an API/ASME

Qualifications

• Requires a recognized Diploma from a Higher Technical College.
• Minimum of five years practical workshop experience in oil & gas components.
• Ability to operate HBM machines and read engineering drawings.
• Familiarity with GD&T, API specs, and customer requirements.

Responsibilities

• Set up and program CNC Horizontal Boring Machines at operator level for large oil & gas components.
• Machine parts such as valve bodies, flanges, manifolds, spools, and pressure-containing equipment.
• Read and interpret drawings, GD&T, API specs and customer requirements.
• Align, level, and secure large workpieces with precision fixtures and clamps.
• Select and set cutting tools and offsets suitable for alloy and stainless steels.
• Edit CNC programs at machine level for offsets and minor changes.
• Perform boring, drilling, milling, and contouring with tight tolerances.
• Verify work coordinates and references, monitor processes for accuracy and repeatability.
• Inspect parts using micrometers, dial indicators, and CMM where needed.
• Maintain API/ASME compliance and document production and quality data.
• Identify and troubleshoot machining/tooling/program issues affecting quality.
• Carry out routine machine maintenance and housekeeping.

Skills

CNC programming

CNC operation

GD&T

Reading drawings

API specs

Tool selection

Measurement & inspection

Safety procedures

Heavy lifting

Education

Diploma from Higher Technical College

5+ years workshop experience

Tools

CMM

Dial indicators

Job description

Sigma Engineering Works LLC is seeking an experienced CNC Horizontal Boring Machine operator for large oil and gas components in Abu Dhabi. You will set up, program at operator level, and operate HBMs to meet tight tolerances on critical parts.

Responsibilities include reading drawings, GD&T, API specs, aligning heavy workpieces, selecting tools, editing programs, performing boring and milling, inspecting with precision instruments, and maintaining safety and quality standards within an API/ASME