Principal Nuclear Mechanical Engineer

Job description:

Position Overview

• Ongoing| Full Time | $154k - $174k +15.4% super
• Sutherland Shire location I Health & Wellbeing Programs I Generous leave provisions
• Cafe on site | Swimming pool | free parking | campus-based environment
• Lead with impact — bring your engineering expertise to shape safe, smart, and future-ready solutions.
• Inspire and grow a high-performing team while driving innovation and excellence across major projects.

About the Opportunity

You will provide technical authority and strategic leadership across engineering projects, ensuring that solutions are safe, compliant, and of high quality, effectively implemented and maintained to align with business objectives, standards, and timelines.

Your Duties and Responsibilities

• Technical Leadership & Compliance

Provide technical leadership to engineering teams, ensuring delivery of high-quality, compliant services that meet safety, legislative, regulatory, and performance standards, including GMP, Radiation and Industrial Safety, Security, and Engineering Standards.

• Engineering Oversight Across Lifecycle

Oversee and review engineering work across the full lifecycle, from concept design through to decommissioning, acting as the highest technical authority and ensuring quality and consistency across all design phases.

• Engineering Governance & Standards

Lead the development, review, and approval of engineering designs, specifications, and technical documentation for nuclear and industrial systems and components.

• Engineering Management Framework

Develop, implement, and maintain the Engineering Management Framework to ensure consistent application of engineering processes, governance, and assurance across ANSTO.

Please click here to view the Position Description.

About Us

ANSTO leverages great science to deliver big outcomes.  We partner with scientists and engineers and apply new technologies to provide real-world benefits.  Our work improves human health, saves lives, builds our industries and protects the environment.  ANSTO is the home of Australia's most significant landmark and national infrastructure for research.  Thousands of scientists from industry and academia benefit from gaining access to state-of-the-art instruments every year.

Benefits of Working with Us

ANSTO employees are passionate about what they do. We enjoy being part of an organisation making a difference in the lives of Australians.

We support and reward our employees through eligibility for:

• Training, development and mentoring opportunities
• Performance based salary increases
• Work-life balance with generous leave entitlements and flexible conditions
• 18 days personal/carers leave for each year of service
• 3 days paid leave between Christmas and New Year
• Generous parental leave provisions:
• Annual flu vaccinations
• Cultural, Naidoc and First Nations ceremonial leave

If you want to join a world class organisation that's making a difference in the lives of Australians, apply now

How to Apply

For further technical information relating to this position please refer to the Position Description or contact Con Dedousis on For all other queries please contact Talent Acquisition on

To be eligible for appointment, applicants will require a security and pre-employment medical assessment.

Application closing date:  9 November 2025 at 11:59pm

All applicants must be Australian citizens.

In order to solve great challenges, we need great minds and great teams. At ANSTO, we understand that diverse teams produce better outcomes and we value the merit that a diverse perspective can bring to our team. We encourage people from diverse backgrounds to apply for our roles including Aboriginal and Torres Strait Islander people, primary carers, those with a disability, and women in STEM. ANSTO is a charter member of the Science in Australia Gender Equity (SAGE) initiative and is proudly taking action to create a gender-inclusive workforce.