Instrument & Controls P&ID Validation Specialist

Plant Design I/O; Plaquemine (LA); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Dental insurance

Health insurance

Paid time off

Vision insurance

Job summary

Plant Design I/O seeks an Instrument & Controls P&ID Validation Specialist to verify instrumentation and control information for client P&ID walkdown projects. You will review work from the walkdown team and ensure consistency with DCS, SIS, and safety system data.

The ideal candidate has hands-on experience with process instrumentation, P&IDs, and control loops, and can identify discrepancies across multiple technical sources.

Qualifications

• Experience as Instrument Technician or similar instrumentation role.
• Strong knowledge of industrial instrumentation and process control.
• Experience reading P&IDs.
• Experience with pressure, temperature, flow and level.
• Experience with control valves and field instrumentation.
• Knowledge of DCS information and safety systems.
• Familiarity with safety systems (SIS/ESD).
• Ability to document findings clearly and concisely.
• Ability to work on-site in an operating facility with safety compliance.

Responsibilities

• Review P&ID walkdown markups and field documentation for instrumentation and control information.
• Validate instrument tags, instrument types, control valves, loops, and symbology.
• Review DCS information to verify instruments and control functions on P&IDs.
• Review SIS and safety system data to validate related instrumentation.
• Compare P&ID information against instrument indexes, I/O data, datasheets, and docs.
• Identify incomplete or incorrect information and document discrepancies.
• Communicate needs for additional field verification to the walkdown team.
• Resolve conflicts with client instrumentation, controls, and operations teams.
• Verify corrections and maintain traceable validation records.
• Follow client safety, security, and documentation requirements.

Skills

P&ID interpretation

Industrial instrumentation

DCS knowledge

SIS awareness

Field instrumentation

Documentation

On-site work

Education

NCCER Instrumentation certification or ISA certification/training

Tools

Honeywell DCS

Emerson DCS

Yokogawa DCS

SIS/ESD systems

Job description

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Paid time off
• Vision insurance

Job Summary

Plant Design I/O is seeking an Instrument & Controls P&ID Validation Specialist to support the verification and validation of instrumentation and control information associated with a client P&ID walkdown project. This position will review the work completed by the P&ID walkdown team and validate instrumentation, control, and safety system information against available facility documentation and control systems.

The ideal candidate has previous experience as an Instrument Technician or in a similar industrial instrumentation role and possesses a strong practical understanding of field instrumentation, control loops, process controls, and industrial facilities. This position will use that experience to identify discrepancies between P&IDs, field observations, the Distributed Control System (DCS), safety systems, and other instrumentation and controls documentation.

This is a technical individual-contributor position and does not include personnel management or team leadership responsibilities.

Responsibilities

• Review P&ID walkdown markups and field documentation for instrumentation and control-related information.
• Validate instrument tags, instrument types, control valves, control loops, signals, and associated P&ID symbology.
• Review DCS information to verify instruments, control loops, process indications, alarms, and control functions represented on the P&IDs.
• Review Safety Instrumented System (SIS) and other safety system information to validate safety-related instrumentation, trips, interlocks, permissives, and shutdown functions.
• Compare P&ID information against available instrument indexes, I/O information, loop documentation, datasheets, cause-and-effect documentation, and other applicable instrumentation and controls documentation.
• Apply practical instrumentation experience to identify information that appears incomplete, inconsistent, or incorrect.
• Identify discrepancies between field observations, P&IDs, instrumentation documentation, DCS information, and safety system information.
• Clearly document discrepancies and provide the information necessary for corrections to be incorporated into P&ID updates.
• Identify conditions requiring additional field verification and communicate those requirements to the P&ID walkdown team.
• Work with the P&ID Walkdown Lead and client instrumentation, controls, operations, and engineering personnel to resolve conflicting or incomplete information.
• Verify corrected P&ID information to ensure identified instrumentation and controls discrepancies have been appropriately addressed.
• Maintain organized and traceable records of validation activities, discrepancies, and resolutions.
• Follow all client site safety, security, engineering, and documentation requirements.

Requirements

• Previous experience as an Instrument Technician or in a comparable industrial instrumentation and controls role.
• Strong practical knowledge of industrial instrumentation and process control systems.
• Experience reading and interpreting Piping & Instrumentation Diagrams (P&IDs).
• Experience working with common process instrumentation, including pressure, temperature, flow, and level measurement.
• Experience with control valves, switches, transmitters, analyzers, and other common field instrumentation.
• Working knowledge of instrument loops and the relationship between field instrumentation and control systems.
• Experience working with or navigating Distributed Control System (DCS) information.
• Familiarity with industrial safety systems, shutdown systems, interlocks, and associated field instrumentation.
• Ability to identify and understand instrument tags, loop numbers, equipment identifiers, and common ISA-style instrumentation symbols.
• Ability to compare information from multiple technical sources and identify discrepancies.
• Strong attention to detail and commitment to technical accuracy.
• Ability to clearly document findings and communicate technical questions and discrepancies.
• Ability to work on-site in an operating industrial facility and comply with all applicable client safety and security requirements.

Preferred Qualifications

• 5+ years of experience as an Instrument Technician or in a closely related instrumentation and controls position.
• Experience in chemical, petrochemical, refining, energy, manufacturing, or other process industry facilities.
• Experience working with DCS platforms such as Honeywell, Emerson, Yokogawa, ABB, Siemens, or similar systems.
• Experience with Safety Instrumented Systems (SIS), safety PLCs, or Emergency Shutdown (ESD) systems.
• Familiarity with instrument indexes, I/O lists, loop diagrams, cause-and-effect matrices, logic diagrams, and instrument datasheets.
• Experience troubleshooting or commissioning instrumentation and control loops.
• Experience performing P&ID walkdowns, drawing verification, as-built verification, or similar facility documentation activities.
• NCCER Instrumentation certification, ISA certification, technical degree, apprenticeship, or other relevant instrumentation training.

What Success Looks Like

• Instrumentation and controls information identified during P&ID walkdowns is thoroughly and accurately reviewed.
• Instrument tags, instrument types, control functions, loops, and safety-related instrumentation are accurately represented within the defined project scope.
• DCS and safety system information is effectively used to identify and resolve discrepancies in P&ID information.
• Differences between field conditions, P&IDs, instrumentation documentation, and control systems are clearly identified and documented.
• Items requiring additional field investigation are returned to the walkdown team with clear information regarding what needs to be verified.
• Technical assumptions are avoided, and conflicting or incomplete information is appropriately escalated for resolution.
• Validation records are organized and traceable so that P&ID changes can be supported by the underlying verification information.
• Work is completed safely, accurately, and in accordance with client standards and project requirements.

We do not sponsor employees for work authorization in the U.S. for this position.