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Senior Instrumentation Technician
About this role
Arion Energy Services Limited seeks an experienced Senior Instrumentation Technician to support reliability, maintenance and safe operation of process control and safety-instrumented systems. The role is based in Lagos and involves troubleshooting faults, leading commissioning activities, coordinating maintenance, and mentoring junior technicians. The candidate will oversee PTW and LOTO processes, diagnose faults in DCS, PLC and SCADA, and manage calibration and testing of instrumentation. It requires interpreting technical drawings and supervising technicians and contractors, while maintaining records in CMMS. The employer focuses on engineering, projects and operations services for the oil and gas, power and maritime industries and follows an AIR approach to service delivery.
What you would do
- Prepare and manage Permit to Work (PTW) and Lockout/Tagout (LOTO) procedures for safe maintenance.
- Diagnose and resolve faults in DCS, PLC and SCADA systems.
- Lead instrumentation commissioning activities and support equipment testing.
- Supervise and coordinate junior technicians and third-party contractors.
- Maintain accurate maintenance records, calibration certificates and equipment information using CMMS.
- Interpret P&IDs, loop diagrams and other technical drawings.
- Provide technical guidance and practical coaching to junior team members.
- Perform and oversee calibration and testing of flowmeters, pressure and temperature transmitters, and process analysers.
- Maintain operational readiness of Emergency Shutdown (ESD) and Fire and Gas (F&G) detection systems.
What they are asking for
- Diploma or HND in Instrumentation, Electronics or Electrical Engineering.
- Experience with vendor-specific control systems such as Emerson DeltaV and Siemens PLC.
- Typically 5–8 years of hands-on experience in oil and gas instrumentation maintenance.
- Relevant professional certifications, including ISA certifications, are preferred.
- Proficiency in HART communicators and calibration software.
- Strong troubleshooting knowledge of DCS, PLC and SCADA systems.
- Ability to work in remote or offshore environments and undertake physically demanding maintenance tasks safely.
- Knowledge of PTW and equipment isolation procedures; safe working practices.
- Strong technical problem-solving and team coordination skills.
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