Principal Process Engineer

WorleyParsons; Baton Rouge (LA); On-site; USD 120,000 - 190,000; Full time

Job summary

Worley seeks a Principal Process Engineer to lead process engineering for Baton Rouge/Gulf Coast projects. This role provides technical leadership, manages scope, and ensures deliverables meet schedule, budget, and quality requirements.

You will guide heat and material balances, PFDs/P&IDs, process simulations, and reviews, coordinate with multidisciplinary teams, and mentor junior engineers. Candidates should have 12+ years in process engineering, a chemical engineering degree, and be willing

Qualifications

• Bachelor’s degree in Chemical Engineering from a recognized college or university.
• 12+ years of process engineering experience in refining, chemical, petrochemical, industrial, energy, or similar facilities and projects.
• Professional Engineer (PE) status is preferred.
• Strong ability to lead diverse teams, coordinate project execution, communicate with clients, and make sound technical decisions with limited supervision.

Responsibilities

• Act as the Process Engineering Lead on assigned projects, including planning, coordinating, checking, and approving process engineering deliverables.
• Define process engineering scope, estimates, schedules, staffing plans, deliverable lists, and execution strategies for proposals, studies, FEED, and detailed design projects.
• Lead development, review, and approval of heat and material balances, PFDs, P&IDs, process simulations, hydraulic calculations, relief/flare analyses, equipment specifications, process data sheets, and technical studies.
• Manage process engineering requirements and ensure changes are evaluated and controlled through project change management processes.
• Direct and coordinate process engineering work with multidisciplinary teams, Worley Global Integrated Delivery resources, project managers, customers, vendors, and construction/commissioning teams.
• Lead support for HAZOP, LOPA, design reviews, model reviews, constructability reviews, field walkdowns, tie-in planning, and technical issue resolution for operating facilities.
• Provide technical leadership, mentorship, and supervision to process engineers and designers; assign tasks, monitor progress, and support development of less experienced personnel.
• Identify issues and problems, develop appropriate solutions, and proactively resolve discrepancies between Worley, client, statutory, regulatory, HSE, and quality requirements.

Skills

Process engineering

Team leadership

Communication with clients

Decision making

MS Office Suite

Education

Bachelor’s degree in Chemical Engineering

Tools

Aspen HYSYS

Aspen Plus

PIPE-FLO

AFT Fathom/Arrow

Job description

Job Description - Principal Process Engineer (BAT00HQ)

Principal Process Engineer - BAT00HQ

Company : Worley

Primary Location

Job

Process

Schedule

Full-time

Employment Type : Employee

Job Posting

Sep 14, 2026

Unposting Date

Jan 13, 2027

Reporting Manager Title : Department Manager Process Engineering

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.

Purpose

Worley is seeking a Principal Process Engineer to serve as a process engineering lead for Baton Rouge/Gulf Coast projects. This role provides technical leadership and supervision within the process engineering team, manages process engineering scope, and ensures deliverables meet Worley, client, statutory, regulatory, HSE, quality, budget, and schedule requirements. The Principal Process Engineer leads process engineering execution on small to large projects, supports proposals and studies, interfaces directly with clients and project leadership, and guides engineers and designers through complex technical and execution challenges.

Responsibilities

• Act as the Process Engineering Lead on assigned projects, including planning, coordinating, checking, and approving process engineering deliverables.
• Define process engineering scope, estimates, schedules, staffing plans, deliverable lists, and execution strategies for proposals, studies, FEED, and detailed design projects.
• Lead development, review, and approval of heat and material balances, PFDs, P&IDs, process simulations, hydraulic calculations, relief/flare analyses, equipment specifications, process data sheets, and technical studies.
• Manage process engineering requirements and ensure changes are evaluated and controlled through project change management processes.
• Direct and coordinate process engineering work with multidisciplinary teams, Worley Global Integrated Delivery resources, project managers, customers, vendors, and construction/commissioning teams.
• Lead support for HAZOP, LOPA, design reviews, model reviews, constructability reviews, field walkdowns, tie-in planning, and technical issue resolution for operating facilities.
• Provide technical leadership, mentorship, and supervision to process engineers and designers; assign tasks, monitor progress, and support development of less experienced personnel.
• Identify issues and problems, develop appropriate solutions, and proactively resolve discrepancies between Worley, client, statutory, regulatory, HSE, and quality requirements.

What you will bring

Technical/Industry Experience and Qualifications Requirements

• Typically 12+ years of process engineering experience supporting refining, chemical, petrochemical, industrial, energy, or similar facilities and projects.
• Demonstrated experience leading process engineering work on multidisciplinary projects in brownfield, sustaining capital, revamp, debottlenecking, expansion, or similar operating facility environments.
• Excellent knowledge of process engineering fundamentals, process safety principles, applicable local and international codes and standards, and statutory and regulatory specifications.
• Strong ability to lead diverse teams, coordinate project execution, communicate with clients, and make sound technical decisions with limited supervision.
• Competent use of MS Office Suite and process engineering software such as Aspen HYSYS, Aspen Plus, PIPE-FLO, AFT Fathom/Arrow, or similar tools.
• Ability to support the Baton Rouge, LA office and travel periodically to local client sites and operating facilities as project needs require.

Education – Qualifications, Accreditation, Training

Required

• Bachelor’s degree in Chemical Engineering from a recognized college or university.

Preferred

• Professional Engineer (PE) status is 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.