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Senior Instrument Engineer

Brunel
Baytown, TX Contractor
POSTED ON 6/2/2026
AVAILABLE BEFORE 7/1/2026

One of Brunel's major Oil & Gas clients is looking for an experience Instrument Engineer to come join their downstream team at their Baytown facilities on a 6 - 12 month contract opportunity. This individual will be supporting both large and small CAPEX projects.


Key Responsibilities

Project Development & Engineering

  • Develop instrumentation and control system scope for refinery capital projects ranging from unit upgrades and debottlenecking initiatives to major grassroots and brownfield expansions.
  • Prepare and review engineering deliverables including:
  • Instrument Indexes
  • Instrument Data Sheets
  • Control Narratives
  • Cause & Effect Matrices
  • Loop Diagrams
  • Hook-up Drawings
  • Instrument Location Plans
  • Wiring and Interconnection Drawings
  • SIS Documentation
  • Support process hazard analyses (PHA), HAZOPs, LOPAs, SIL assessments, and management of change (MOC) activities.
  • Review and approve contractor engineering deliverables for technical accuracy and compliance with project requirements.

Instrumentation Design

  • Specify and select field instrumentation including pressure, temperature, flow, level, analytical, and control devices.
  • Develop specifications for control valves, relief valve instrumentation, analyzers, and packaged equipment instrumentation.
  • Ensure compliance with refinery standards, ISA, IEC, API, NFPA, NEC, and other applicable industry standards.
  • Support development of control system architectures including DCS, PLC, SIS, and communications networks.

Capital Project Execution

  • Collaborate with project managers, process engineers, operations personnel, maintenance teams, and EPC contractors throughout project execution.
  • Provide instrumentation engineering support during procurement, construction, commissioning, and startup phases.
  • Evaluate technical bids and support vendor selection processes.
  • Participate in factory acceptance testing (FAT), site acceptance testing (SAT), and commissioning activities.
  • Resolve field technical issues and provide timely engineering support to maintain project schedules.

Safety, Reliability & Compliance

  • Ensure instrumentation systems support refinery process safety objectives and regulatory compliance requirements.
  • Apply cybersecurity requirements for industrial control systems.
  • Support functional safety lifecycle activities for Safety Instrumented Systems (SIS).
  • Promote inherently safe design principles and operational reliability.

Construction & Startup Support

  • Perform field walkdowns and verify installation compliance with engineering designs.
  • Support punch-list resolution and turnover documentation.
  • Assist operations and maintenance personnel during startup and performance testing.
  • Develop commissioning and startup plans for instrumentation systems.

Qualifications

Education

  • Bachelor’s Degree in Electrical Engineering, Instrumentation Engineering, Chemical Engineering, or related engineering discipline.
  • Professional Engineer (PE) registration preferred.

Experience

  • 5 years of instrumentation engineering experience in refining, petrochemical, chemical processing, or oil and gas facilities.
  • Experience supporting large capital projects ($10MM–$500MM ) preferred.
  • Demonstrated experience with refinery process units such as crude, FCC, hydroprocessing, sulfur recovery, utilities, and tank farms.

Hourly Wage Estimation for Senior Instrument Engineer in Baytown, TX
$51.00 to $62.00
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