Senior Instrument Specialist / Mentor

About this role

TAG Energy Nigeria Limited seeks an experienced Senior Instrument Specialist / Mentor to lead instrumentation maintenance, troubleshooting and repair in oil and gas environments in Lagos. The role involves managing critical maintenance activities such as shutdowns, start-ups and commissioning, while ensuring safety and procedural compliance. You will mentor junior technicians, perform root cause analysis to drive reliability improvements, and act as a subject matter expert on instrumentation systems. The employer provides services across oilfield products and support within the Nigerian oil and gas sector. The position targets professionals with extensive instrumentation and control system experience in heavy industry and related certifications.

What you would do

• Lead troubleshooting, maintenance and repair of instrumentation systems and equipment.
• Manage and execute shutdowns, start-ups and commissioning activities.
• Conduct root cause analysis and implement reliability improvements.
• Mentor and coach junior technicians through structured on-the-job training.
• Ensure compliance with safety regulations, procedures and industry standards.
• Collaborate with planning teams to develop accurate work packs and BOMs.
• Maintain documentation and CMMS records for maintenance activities.
• Advise on best practices as a subject matter expert on instrumentation systems.
• Provide technical leadership and guidance on instrumentation solutions.
• Support calibration, installation, testing and commissioning as required.

What they are asking for

• HND/BEng in Instrumentation, Electrical/Electronic Engineering or related discipline.
• Minimum 15+ years in instrumentation maintenance within heavy industrial environments (oil and gas, refineries, GTL, petrochemical or chemical plants).
• Extensive experience with DCS, PLC, SCADA, field instrumentation, analyzers and ESD/F&G systems.
• Proven ability to troubleshoot complex instrumentation failures.
• Calibrate, install, maintain and troubleshoot field instruments (pressure, flow, level, temperature, analyzers).
• Experience with control valves, loop checks and basic DCS/PLC interaction.
• Ability to read and interpret P&IDs, loop diagrams and datasheets.
• Relevant safety certifications such as HSE, PTW, LOTO, CompEx.
• Professional certifications (ISA CCST or OEM certifications) are highly preferred.

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