Senior Principal Instrumentation Designer

Worley; Baton Rouge (LA); On-site; USD 110,000 - 150,000; Full time

Job summary

Worley is seeking a senior Instrumentation Designer to lead instrument design on major projects in Baton Rouge, LA. The role covers concept through construction, coordinating with multiple disciplines and vendors.

The ideal candidate holds a technical diploma or associate degree and 12+ years in instrumentation design for process facilities, with strong AutoCAD and SPI experience. Travel to sites may be required.

Qualifications

• Technical diploma or associate degree in engineering or drafting.
• Minimum 12+ years in instrumentation design for process plants.
• Experience leading multi-discipline instrument design teams.
• Proficient with AutoCAD and SPI; prefer MicroStation and 3D tools.
• Familiar with instrument indexes, I/O lists, loop drawings, and installation details.

Responsibilities

• Lead instrumentation design work on projects from concept through construction.
• Prepare and check instrument location plans, loop diagrams, and installation details.
• Coordinate with engineering, project management, and vendors.
• Mentor junior designers and CAD technicians.
• Ensure compliance with codes, standards, and Worley procedures.

Skills

Instrumentation design

Oil & gas

Team leadership

AutoCAD

SPI (SmartPlant Instrumentation)

3D modeling

Loop drawings

I/O lists

Education

Technical diploma / associate degree

Tools

AutoCAD

SmartPlant Instrumentation (SPI)

MicroStation

Navisworks

Job description

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 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.

Purpose

Lead the instrumentation design team on assigned projects or project phases, providing technical direction, work planning, and design coordination from concept through construction support.

Responsibilities

• Develop, review, and check instrumentation deliverables including instrument location plans, installation details, loop diagrams, wiring and termination diagrams, junction box schedules, I/O lists, panel layouts, cable tray/conduit routing, and construction work packages.
• Ensure discipline deliverables meet technical quality, accuracy, safety, constructability, client specifications, Worley standards, and applicable industry codes and practices.
• Coordinate closely with engineering, project management, piping, electrical, civil/structural, process, procurement, vendors, clients, and workshare teams to support integrated project delivery.
• Perform discipline administrative responsibilities including developing and monitoring manpower plans, schedules, budgets, progress reporting, design requirements, drafting data, and workshare packages.
• Provide design sketches, technical guidance, and practical design solutions for drawing and model preparation by designers and CAD technicians.
• Review and resolve 3D model interferences and clashes related to instrument locations, supports, cable tray, conduit routing, equipment access, and discipline interfaces.
• Check work prepared by lower-level designers and CAD technicians for compliance with project requirements, customer standards, Worley procedures, and discipline best practices.
• Mentor and support the development of junior designers and CAD technicians, including providing technical coaching and input on performance and development needs.
• Plan and conduct field investigations, site walkdowns, data gathering, and as-built verification at customer facilities as required.

What You Will Bring

Technical/Industry Experience and Qualifications Requirements

• Typically 12+ years of instrumentation design experience, preferably supporting oil and gas, refining, chemical, petrochemical, energy, or heavy industrial projects.
• Strong experience leading instrumentation design work on complex multi-discipline projects, including coordination of design teams, schedules, budgets, and deliverables.
• Proficiency with AutoCAD and SmartPlant Instrumentation/SPI is required; experience with MicroStation and 3D modeling tools such as Smart 3D, E3D, PDMS, or Navisworks is preferred.
• Working knowledge of instrumentation design deliverables, industry codes and standards, construction practices, field verification, and plant safety requirements.
• Experience with instrument indexes, I/O lists, loop drawings, wiring diagrams, junction box schedules, instrument installation details, material take-offs, and construction packages.
• Strong communication, organization, problem-solving, and collaboration skills with the ability to interface effectively with clients, project teams, vendors, and workshare partners.
• Ability and willingness to travel to project sites and client facilities as required; TWIC eligibility may be required depending on project assignment.

Required

Education – Qualifications, Accreditation, Training:

• Technical diploma, associate degree.

Preferred

• Equivalent design/drafting experience preferred.

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.