Senior Principal Mechanical Designer

Job Description - Senior Principal Mechanical Designer (BAT
00GV
)

Senior Principal Mechanical Designer - BAT
00GV

Company:
Worley

Mechanical

Full-time

Employee

Jul 5, 2026

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.

The Senior Principal Mechanical Designer provides technical leadership and advanced mechanical design expertise for EPC projects from concept through detailed design, construction, and commissioning. This role leads mechanical design activities, mentors design teams, and ensures deliverables meet project requirements, client specifications, applicable codes, and Worley quality standards.

• Lead mechanical design activities on complex EPC projects.
• Develop and review equipment layouts, general arrangement drawings, and 3D models.
• Coordinate with engineering disciplines, clients, vendors, and construction teams.
• Review and approve mechanical design deliverables for quality, accuracy, and constructability.
• Support procurement, construction, commissioning, and field engineering activities.
• Mentor and guide designers while promoting best practices and continuous improvement.
• Ensure compliance with applicable codes, standards, client requirements, and safety expectations.
• Assist with project planning, scheduling, resource coordination, and technical issue resolution.

• Associate's degree or technical diploma in Mechanical Design or related discipline (Bachelor's degree preferred).
• 15+ years of mechanical design experience, including significant EPC project experience.
• Proven leadership on large industrial or energy projects.

• Proficiency with AutoCAD, AVEVA E3D, Smart 3D (S3D), Plant 3D, and Navisworks.
• Strong knowledge of mechanical equipment layout, plant design, constructability, and industry codes (ASME, API, ANSI).
• Experience working with multidisciplinary engineering and design teams.
• Technical leadership and mentoring.
• Strong communication and coordination skills.
• Problem-solving and decision-making.
• Focus on safety, quality, and project delivery.
• Ability to manage multiple priorities in a fast-paced EPC environment.