Principal Mechanical Engineer

Job Title

Principal Mechanical Engineer (CHA
00MS
)

USA-WV-Charleston

Mechanical, Full-time, Employee

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 Principal Mechanical Engineer to provide technical leadership and oversight for mechanical engineering activities supporting projects within the Chemicals and Power business lines. This role serves as the Mechanical Discipline Lead on projects of varying size and complexity, guiding engineering teams through all phases of project execution while ensuring compliance with applicable codes, standards, customer requirements, and regulatory obligations.

The ideal candidate is a collaborative and technically strong engineering professional with demonstrated leadership capabilities, sound engineering judgment, strong communication skills, and a commitment to safety, quality, and continuous improvement.

• Lead mechanical engineering activities across all project phases, from conceptual development through detailed design, procurement, construction, and commissioning.
• Serve as Mechanical Discipline Lead on assigned projects, ensuring deliverables are completed in accordance with scope, schedule, budget, and quality expectations.
• Coordinate and oversee the work of mechanical engineers and designers, providing technical direction and quality oversight.
• Deliver mechanical engineering services that meet Worley, customer, and statutory requirements.
• Participate in project planning activities—engineering estimates, schedules, staffing plans, and execution strategies.
• Monitor project progress and communicate engineering status, risks, and opportunities to project teams and stakeholders.
• Develop, review, and approve mechanical equipment specifications, calculations, data sheets, and engineering deliverables.
• Support procurement activities through preparation of technical requisitions, bid evaluations, vendor reviews, and technical recommendations.
• Review and approve vendor documentation to ensure compliance with project requirements and industry standards.
• Collaborate with process, piping, civil/structural, electrical, and instrumentation disciplines to resolve design challenges and support integrated project delivery.
• Ensure compliance with applicable codes, standards, and regulatory requirements throughout project execution.
• Support management of change processes and identify impacts to project scope, cost, and schedule.
• Participate in design reviews, risk assessments, constructability reviews, and value improvement initiatives.
• Maintain awareness of emerging technologies, materials, and industry practices to support innovation and continuous improvement.
• Provide technical mentoring and coaching to junior engineers and designers to support professional development and knowledge sharing.
• Support client interactions and represent the mechanical discipline during technical meetings and project reviews.
• Collaborate with Worley Global Integrated Delivery (GID) teams to ensure consistent execution and timely delivery of project deliverables.
• Conduct site visits and field walkdowns, as required, to support project execution, commissioning, troubleshooting, and construction activities.

• Demonstrated ability to lead mechanical engineering activities on multidisciplinary capital projects from concept through detailed design and execution on brownfield and greenfield projects within the oil, gas, chemical, petrochemical, power, and bulk materials sectors.
• Familiarity with various project phases (Pre‑FEED, FEED, Detail Design) and the scope/deliverables required.
• Demonstrated…