PLC Engineer/Sr Engineer, QAPCO (Mesaieed)

Study and develop conceptual designs, prepare detailed engineering solutions, plan & monitor and coordinate all assigned modifications (projects) with the project team for a wide range of tasks related to discipline scope. Act as a key focal point for in-house /subcontracted engineering. Review of engineering studies conducted in line with defined requirements, industry best practices and contractual agreements.

Project Management: 

• Coordinate discipline review and approval of design and interfaces with Contractor on Company requirements and specifications.
• Review and approve all related technical documents and coordinate with the supervisor.
• Carry out technical reviews of all areas of work covered under Instrumentation & Control systems engineering projects while evaluating requests and recommending appropriate solutions and proposing changes as necessary within the defined project scope and protocols to facilitate the achievement of defined objectives.
• Coordinate and provide engineering support for construction activities, including the assurance that construction engineering details are provided. 
• Review and approve modifications (projects) as-built documents.

Design and Engineering:

• Carry out the design and technical reviews for all areas of work such as field instruments, Control valves, DCS/PLC control systems, Fire & Gas systems, analyzers, Vibration monitoring systems, etc. 
• Execute verification, studies and detail design following best engineering practices and optimization in terms of costs, construction simplicity, operability and maintainability, codes and standards, HSSE, etc.
• Prepares design specifications for Field Instruments, Control & On-off valves, DCS/PLC systems, F&G systems, Liquid & Gas analyzers, Gas chromatographs, Condition monitoring systems, etc. 
• Develops calculations for SIS loops, orifice sizing, control valve sizing, thermowell wake frequency, etc.
• Develops DCS functional logic, PLC logic, hook up drawings, loop drawings, wiring diagrams, interface drawings, cable block diagrams, cable schedule, panel layout drawings, cable routing drawings, cable tray/duct layouts, instrument layouts, etc.
• Prepares material specifications.
• Prepares MTOs and BOQs.
• Prepares Scope of Work and technical specification for Instrumentation & Control systems. Package items such as compressors, blowers, pumps, tanks, etc. and Construction subcontracts.
• Prepares technical documentation for Instrumentation & Control system material requisition.
• Carry out technical evaluations.

Health, Safety, Security, Environment and Quality:

• Ensure compliance with all relevant health, safety, security, environmental and quality management procedures.
• To work closely with HSSE on related tasks.
• Ensure updating documentation related to modifications (projects). 
• Participate in modifications (projects) risk assessment studies such as HAZOP/LOPA, etc.

Reports:

• Provide regular progress reports related to assigned modifications (projects).
• Preparation of specific reports upon request.

Job Specific Knowledge

• Good exposure to brownfield modification projects.
• Must have experience in engineering site surveys to acquire the right amount of information need for detailed engineering.
• Knowledge of field instrument installation and practices.
• Knowledge in Industrial Instrumentation & Control engineering
• Knowledge in Industrial Codes & Standards such as NFPA, ISA, IEC, etc.
• Conceptual and analytical skills
• Skill to resolve technical problems and provide quick and cost-effective engineering solutions based on good engineering practices.
• Knowledge in Safety Instrumented Systems (SIS) and SIL calculations.
• Knowledge in LOPA analysis and HAZOP
• Knowledge in the operation principles of field instruments (pressure, level, flow, temperature, etc., control valves & On-off valves.
• Knowledge in Fire & Gas systems, Analysers, Vibration monitoring systems, Fibre optic communications and its networking etc.
• Knowledge in DCS/PLC control systems, architecture & its networking and industrial communication protocols.
• Knowledge in DCS/PLC control functions & logic preparation.
• Knowledge of the operations/products of petrochemical plants
• In depth knowledge of PLC programming (Siemens) as per IEC61131.
• In depth knowledge of Control Panel assembly, erection, testing and commissioning.
• Good experience in PLC upgrade projects.
• Sufficient knowledge of various types of PLC hardware and accessories.