Dear Sir/Ma, I am writing to apply for the position of Instrument and Control Technician in your organization. I am a trained and experienced E&I/Instrument Technician with strong expertise in installation, calibration, loop testing, troubleshooting, and maintenance of industrial instrumentation and control systems. I was professionally trained by Zery Engineering Company Limited, Port Harcourt, and I have worked with Zery Engineering Company Limited and Good Omen Concept Limited. Recently, I successfully led the team that handled the revamp of Agbada 1 and Ogbibo AGG Glycol Units for Heirs Energy, where I supervised instrumentation installation, testing, and commissioning activities. My technical strengths include: Installation and mounting of flow, pressure, and temperature transmitters Calibration of all major instrumentation devices Installation and calibration of SVI I, SVI II, and SVI III valve positioners Loop testing from field devices to control rooms, PLC systems, and DCS Maintenance of all types of valves, including: • Air-to-open valves • Air-to-close valves • Pneumatic actuator valves • Solenoid valves • Other process control and on/off valves Troubleshooting of instrument faults, signal issues, and control system failures Ability to interpret P&IDs, loop diagrams, wiring diagrams, and instrument drawings I am a Certified Safety Officer (HSE Levels 1–3) and also hold Construction Safety Certification from ISPON, ensuring I consistently apply safe engineering practices in all work environments. I am confident that my strong technical background, leadership experience, and commitment to safety will enable me to contribute effectively to your engineering operations. Thank you for your consideration. I look forward to the opportunity to discuss how I can add value to your team. Yours sincerely, Okala John Onuh

Installation and mounting of flow, pressure, and temperature transmitters Calibration of all major instrumentation devices Installation and calibration of SVI I, SVI II, and SVI III valve positioners.