Instrumentation Engineer (Process Automation & Field Instrumentation)

Job Title: Instrumentation Engineer (Process Automation & Field Instrumentation)

Location: Lagos
Employment Type: Full-time

Job Purpose

• The role ensures safe, reliable, and efficient plant operations by delivering instrumentation and control systems that comply with project specifications, international standards, and process safety requirements.
• The Instrumentation Engineer (Process Automation & Field Instrumentation) is responsible for the design, specification, integration, procurement support, installation, testing, commissioning, and lifecycle management of process control, field instrumentation, and automation systems for an Ethane-to-Polymers (E2P) plant.

Key Responsibilities
Instrumentation & Control Engineering:

• Develop and review instrumentation philosophies, design basis documents, instrument index, I/O lists, and control narratives.
• Specify, size, and select field instruments for process measurement and control.
• Develop and review Process & Instrumentation Diagrams (P&IDs) from an instrumentation perspective.
• Ensure all instrumentation designs comply with project specifications, process requirements, and international standards.
• Prepare and review instrument datasheets, specifications, hook-up drawings, loop diagrams, cable schedules, and wiring diagrams.

Process Automation:

• Develop control philosophies, logic diagrams, cause-and-effect matrices, and functional design specifications.
• Integrate automation systems with plant information and monitoring systems.
• Configure, test, and validate automation systems in collaboration with vendors and system integrators.
• Support Human Machine Interface (HMI) and operator workstation development.
• Design and support Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Supervisory Control and Data Acquisition (SCADA), Emergency Shutdown Systems (ESD), Fire & Gas (F&G) Systems, and Safety Instrumented Systems (SIS).

Field Instrumentation:
Provide engineering support for:

• Gas Detection Systems
• Analyzers and Sampling Systems
• Pressure, Temperature, Flow, and Level Instruments
• Fire Detection System.
• Control Valves and On-Off Valves
• Pressure Safety Devices

Safety Instrumented Systems (SIS):

• Participate in HAZOP, HAZID, SIL, LOPA, and Process Hazard Analysis (PHA) studies.
• Verify SIL compliance and support functional safety assessments.
• Develop and review Safety Requirement Specifications (SRS).
• Ensure compliance with IEC 61508 and IEC 61511 standards.

Construction, Commissioning & Start-up:

• Review instrument installation, calibration, and testing procedures.
• Witness Site Acceptance Tests (SATs), functional tests, and integrated system tests.
• Support loop checking, pre-commissioning, commissioning, and plant start-up.
• Troubleshoot instrumentation and automation issues during commissioning and operation.
• Provide technical support during installation and construction activities.

Maintenance & Reliability:

• Conduct failure investigations and Root Cause Analysis (RCA).
• Recommend improvements to enhance system reliability and availability.
• Support preventive and predictive maintenance strategies for instrumentation and control systems.
• Support instrument calibration programs and maintenance planning.

Documentation:
Prepare and review:

• Instrument Index
• Control Narratives
• Junction Box Schedules
• I/O Lists
• P&IDs
• Hook-up Drawings
• Instrument Datasheets
• Loop Diagrams
• Cable Schedules

Qualifications

• Master's Degree is an added advantage.
• Bachelor's Degree in Instrumentation Engineering, Electrical & Electronics Engineering, Electronics Engineering, Mechatronics Engineering, or a related engineering discipline.
• 10–15years of experience in instrumentation, process automation, and control engineering.