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Instrumentation and Control Engineer
Job in
Houston, Harris County, Texas, 77246, USA
Listed on 2026-06-18
Listing for:
X4 Engineering
Full Time
position Listed on 2026-06-18
Job specializations:
-
Engineering
Electrical Engineering, Systems Engineer, Instrumentation Tech, Automation & Mechatronics Engineer
Job Description & How to Apply Below
Overview
The Instrumentation & Controls (I&C) Engineer is responsible for the design, specification, and commissioning support of process instrumentation and control systems across midstream oil & gas projects, with additional exposure to industrial sectors such as pharmaceuticals, food & beverage, and consumer products.
The role translates process requirements (P&IDs and engineering data) into complete instrumentation and control solutions, ensuring safe, reliable, and standards-compliant operation. The engineer acts as a discipline lead and key technical interface between internal engineering teams, clients, EPC contractors, and vendors.
Core Responsibilities- Develop and maintain P&IDs in line with ISA standards and client requirements
- Produce instrument indexes, I/O lists, and tag structures from engineering deliverables
- Prepare instrument datasheets for field instruments, analyzers, and metering systems
- Develop control philosophies, operating narratives, and sequence-of-operations (startup, normal, shutdown, ESD)
- Define PLC/RIO requirements and support control system architecture design
- Create Cause & Effect matrices and functional safety documentation (SIS, SIL, IEC 61511)
- Support alarm management and rationalisation in accordance with ISA-18.2
- Perform control valve sizing and specification, including fail-safe and actuator selection
- Specify measurement and custody transfer systems using AGA/API standards
- Support hazardous area classification and equipment selection (NEC / IEC / ATEX)
- Participate in HAZOP, LOPA, SIL studies, FAT, SAT, and commissioning activities
- Review vendor documentation and support construction-phase queries (RFIs, redlines, punch lists)
- Provide field support during installation, loop checks, startup, and commissioning
- Ensure QA/QC compliance and maintain document control across deliverables
- Track engineering progress and provide status reporting to project management
- P&IDs and instrumentation tagging structures
- Instrument indexes and I/O lists
- Instrument specification sheets
- Control philosophies and operating narratives
- SIL / LOPA documentation
- Hazardous area classification drawings
- Loop diagrams and wiring documentation
- Bachelor’s degree in Engineering (Chemical, Electrical, Mechanical, or Controls)
- 5–10+ years’ instrumentation & controls experience in process industries
- Strong knowledge of ISA, API, IEC, NFPA, and OSHA standards
- Familiarity with control systems, SIS, and hazardous area classification
- Strong technical writing and cross-discipline coordination skills
- Ability to manage multiple projects and support site activities as required
- Professional Engineer (PE) license (or eligible)
- Functional safety certification (TÜV or equivalent)
- Experience with custody transfer and gas measurement systems
- Experience in regulated industries (pharma / food & beverage)
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