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About us
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
Worley is seeking a highly motivated and experienced Field Engineer - Instrumentation to provide construction site engineering expertise and technical support during project execution. This role is responsible for interpreting engineering designs, resolving field issues, coordinating instrumentation construction activities, and ensuring installation and testing activities are performed in accordance with project specifications, industry standards, and quality requirements. The Instrumentation Field Engineer serves as a key interface between engineering, construction, quality, and commissioning teams to ensure successful project delivery. This position is based in Freeport, TX.
Responsibilities
Deliver instrumentation engineering services that meet Worley, client, and applicable statutory and regulatory requirements, on time and within budget.
Key accountabilities include:

• Interpret and analyze instrumentation drawings, specifications, loop diagrams, hook-ups, cable schedules, datasheets, and engineering deliverables to ensure constructability and compliance with project requirements.
• Provide field engineering support for the installation of instrumentation systems, including transmitters, analyzers, control valves, tubing systems, junction boxes, marshalling cabinets, and associated wiring.
• Evaluate field conditions and implement design modifications or recommendations necessary to accommodate site requirements while maintaining compliance with engineering intent.
• Support construction supervision activities and verify that instrumentation installation work is executed in accordance with approved drawings, specifications, and applicable codes and standards.
• Coordinate with project engineers, construction management, quality personnel, vendors, and commissioning teams to ensure timely execution of instrumentation activities.
• Review and resolve Requests for Information (RFIs), field change notices, and technical queries associated with instrumentation systems.
• Perform field inspections and quality checks to verify proper installation, calibration, and completion of instrumentation systems.
• Leading the execution of instrumentation and control engineering activities on assigned projects or project scopes.
• Supporting project planning and delivery, including participation in relevant meetings, preparation of progress reports, and compliance with required checking and quality assurance procedures.
• Providing technical input and support during procurement, construction, and commissioning phases, including:
  o Preparation and review of requisitions
  o Technical bid evaluations
  o Review of vendor documentation and purchase orders
• Coordinating instrumentation engineering activities with multidisciplinary teams (process, electrical, mechanical, piping, automation) to ensure integrated project delivery.
• Communicating effectively with internal teams, clients, and project stakeholders.
  Technical & Industry Experience
• Demonstrated experience delivering instrumentation and control engineering work on industrial projects (e.g., energy, mining, chemicals, or infrastructure).
• Working knowledge of engineering systems, workflows, and document management tools
• Experience participating in process safety and operability studies (e.g., HAZOP, LOPA) and implementing outcomes into engineering design.
• Strong working knowledge of Instrumentation & Control deliverables, including:
  • Junction box and marshalling panel design
  • P&IDs
  • Loop diagrams, wiring diagrams, and instrument location drawings
  • Motor control and interconnection schematics
  • Instrument installation details
  • Instrument datasheets and specifications
  • I/O lists
  • Bills of material
  • Cable, conduit, and tray schedules
  • Control narratives and philosophies
  • Cause & effect diagrams
  • Material requisitions
  • Construction and engineering work packages
• Working knowledge of instrumentation selection and application, including:
  • Flow measurement (orifice, vortex, venturi, magnetic, ultrasonic)
  • Level measurement (radar, displacers, gauges)
  • Temperature measurement (including thermowell design and frequency wake calculations)
  • Pressure measurement

Education, Qualifications & Accreditation
Required:

• Accredited Engineering Degree in Instrumentation, Electrical, Chemical, Mechanical, or related discipline.
• Solid experience in instrumentation and control engineering roles on multidisciplinary projects.
• Demonstrated ability to develop, review, and interpret I&C designs, drawings, and technical documentation.
• Strong communication, coordination, and analytical skills.

Moving forward together
We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.
And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.