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Clayton Services · 4 months ago

Senior Instrument & Control Engineer

Houston, TX

Full-time

Onsite

Senior Level

$100K/yr - $130K/yr

7+ years exp

Clayton Services is searching for a Senior Instrument & Control Engineer to join a thriving company in Houston, Texas. The Senior Instrument & Control Engineer will be responsible for designing, programming, and supporting instrumentation and control systems, ensuring safe, reliable, and efficient plant operations.

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Responsibilities

Perform instrument sizing, selection, and calibration for devices such as pressure transmitters, flow meters, temperature elements, and control valves

Prepare, review, and update P&IDs, control narratives, I/O lists, interlock matrices, cause & effect tables, and process tuning documentation

Specify and review instrumentation datasheets, loop diagrams, wiring schematics, and system architecture drawings

Develop, configure, and optimize PLC logic, DCS strategies, and HMI graphics for process monitoring and operator interfaces

Configure alarm management systems and ensure seamless communication between field devices, PLCs, DCS, HMIs, and higher-level SCADA systems

Lead and support commissioning activities, including FAT/SAT, loop checks, calibration verification, and control strategy tuning in the field

Provide field troubleshooting expertise for instrumentation, control systems, and communication networks

Conduct on-site diagnostics, root cause analysis, and corrective/preventive actions

Maintain backups, calibration records, interlock documentation, and version control of PLC, DCS, and HMI systems

Train operators and maintenance staff on the proper use and troubleshooting of systems

Ensure compliance with IEC, ISA, NFPA, NEC, and OSHA standards

Conduct and support SIL studies, HAZOP reviews, and risk assessments

Implement and verify safety instrumented systems (SIS) to meet SIL requirements

Support cybersecurity practices for industrial control networks

Other duties as assigned

Qualification

PLC programmingDCS experienceHMI developmentInstrumentation designAutoCADEPLANIndustrial communication protocolsField troubleshootingTeamworkCommunicationProblem-solving

Required

Bachelor's degree in Instrumentation, Control, Electrical, or related Engineering discipline

Minimum 7+ years of experience in control and instrumentation engineering with a focus on PLC, DCS, HMI, SIL, and field troubleshooting

Proficiency with major PLC platforms (Siemens, Allen-Bradley, Schneider, or equivalent)

Experience with DCS platforms (Emerson DeltaV, Client Experion, Yokogawa, ABB, or similar)

Skilled in HMI development and configuration

Strong knowledge of process tuning, interlock matrices, cause & effect tables, and field documentation

Familiarity with industrial communication protocols (Modbus, Profibus, Ethernet/IP, OPC, etc.)

Proficiency in AutoCAD or EPLAN for control system drawings

Strong analytical, troubleshooting, and problem-solving abilities

Excellent teamwork, communication, and field collaboration skills