Mao-Oak Resources Ltd, incorporated in 2017, is wholly Nigerian company strategically positioned to offer Oil & Gas Services, Turnkey Project Consultancy, Offshore Safety, General Procurement and Marine Fire Solutions with key expertise across Marine, Oil & Gas and Aviation Operations. We collaborate with a global network of strategic partners to seamlessly deploy cutting-edge technologies, ensuring innovative solutions and guaranteed client satisfaction.Job Summary
Are you experienced in industrial valve diagnostics, refurbishment, and pressure-integrity testing in oil & gas facilities?
We’re looking for a technically sound Valve Maintenance / Repair Technician with strong hands-on expertise in preventive, corrective, and shutdown maintenance.
Key Responsibilities
Valve Maintenance & Mechanical Support
Overhaul, refurbish, and pressure-test valves.
Perform lapping, seat reconditioning, stem replacement, actuator calibration, and torque setting.
Maintain valve integrity within high-pressure gas systems (SNG environment).
Diagnose leakage, passing valves, actuator failures, and mechanical wear.
Execute maintenance in compliance with PTW, LOTO, and HSE standards
Support plant shutdowns and turnaround maintenance activities.
Technical Requirements
7–10+ years’ experience in oil & gas or heavy industrial operations.
Strong knowledge of static & rotating equipment interfaces.
Experience with pressure vessels, piping systems & flange management.
Skilled in root cause analysis (RCA) and post-maintenance testing.
Proficient in maintenance documentation & reporting systems.
Ideal Candidate:
Detail-oriented, safety-driven, technically confident
Comfortable working in high-risk, high-compliance environments
Able to work in remote locations & emergency callouts.