Senior Principal Mechanical Designer

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.

Position Summary

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.

Key Responsibilities

• 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.

Qualifications

• 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.

Technical Skills

• 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.

Key Competencies

• 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

Moving forward together

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.