Senior HBM CNC Machinist – Oil & Gas Precision

Sigma Engineering Works; Abu Dhabi; Sur place; AED 134 000 - 201 000; Plein temps

Résumé du poste

Sigma Engineering Works, part of Mazrui Energy Services, is seeking a skilled HBM Operator to join the Machine Shop in Abu Dhabi. You will set up, program at operator level, and operate CNC Horizontal Boring Machines for heavy oil and gas components.

You will read engineering drawings, GD&T and API specifications, align large workpieces, select tools, edit CNC programs, and ensure tight tolerances, surface finish, and quality compliance.

Qualifications

• Recognized Diploma from a Higher Technical College.
• Minimum five years practical workshop experience.

Responsabilités

• Set up, program at operator level, and operate CNC Horizontal Boring Machines for large, heavy-duty oil & gas components.
• Machine critical parts such as valve bodies, wellhead components, flanges, manifolds, spools, and pressure-containing equipment.
• Read and interpret engineering drawings, GD&T, API specifications, and customer requirements.
• Align, level, and secure large workpieces using precision fixtures, clamps, and alignment tools.
• Select, install, and set cutting tools, boring bars, and tool offsets for alloy steels, stainless steels, Inconel, and other oil & gas materials.
• Edit CNC programs at the machine (tool offsets, wear offsets, minor code changes).
• Perform boring, drilling, facing, milling, tapping, and contouring operations with tight tolerances.
• Establish and verify work coordinates, datums, and reference points.
• Monitor machining processes to ensure dimensional accuracy, surface finish, and repeatability.
• Inspect parts using precision measuring instruments (micrometers, bore gauges, dial indicators, CMM where required).
• Maintain compliance with API, ASME, and customer quality standards.
• Identify and troubleshoot machining, tooling, or program-related issues affecting part quality.
• Perform routine machine maintenance, calibration checks, and housekeeping.
• Complete required production and quality documentation, including inspection reports and job travelers.
• Follow strict safety procedures for handling large components and heavy lifting equipment.
• Work closely with programmers, engineers, quality, and inspection teams to meet delivery schedules.

Connaissances

CNC boring

Read drawings

GD&T

API specs

Tool offsets

Precision inspection

Quality standards

Safety procedures

Teamwork

Formation

Diploma from a Higher Technical College

Outils

CNC Horizontal Boring Machine

CMM

Micrometers

Dial indicators

Description du poste

Sigma Engineering Works, part of Mazrui Energy Services, is seeking a skilled HBM Operator to join the Machine Shop in Abu Dhabi. You will set up, program at operator level, and operate CNC Horizontal Boring Machines for heavy oil and gas components.

You will read engineering drawings, GD&T and API specifications, align large workpieces, select tools, edit CNC programs, and ensure tight tolerances, surface finish, and quality compliance.