Senior Mechanical Design Engineer

Company Description

At Green Gravity, we're pioneering a breakthrough approach to the clean energy transition. Our mission is to repurpose legacy mining infrastructure into cutting-edge gravitational energy storage systems, delivering a sustainable, low-cost solution to renewable energy storage challenges worldwide.

We're tackling one of the most important challenges of our time: enabling the shift to a net-zero future. By joining our passionate and highly engaged team, you'll contribute directly to meaningful, world-changing work — with the support of an inclusive, flexible, and empowering workplace that optimises your ability to make a difference.

The Opportunity

We're seeking a Senior Mechanical Design Engineer to lead the mechanical design of our next-generation energy storage technology. This pivotal leadership role within our Product Development Team will see you guiding and mentoring a talented group of mechanical engineers, shaping the technical direction of our innovative solutions, and playing a key role in the design and delivery of systems that will accelerate the clean energy transition.

You'll have the opportunity to design complex mechanical systems from concept to deployment, solving unique engineering challenges at the intersection of mining infrastructure and renewable technology — all while contributing to a purpose-driven mission.

Key responsibilities

• Lead the mechanical design and development of Green Gravity's energy storage technology from concept through to deployment.
• Guide, mentor, and support a team of mechanical engineers, fostering a collaborative, inclusive, and innovative culture.
• Champion creative approaches to mechanical design that ensure robust, safe, and efficient solutions.
• Work closely with colleagues across electrical, controls, and systems engineering to deliver integrated solutions.
• Contribute strategic insights to product development roadmaps and long-term technical direction.

About you

We're looking for a
forward-thinking, collaborative engineer
who thrives in an innovative environment and is passionate about applying their skills to solve meaningful challenges. You don't need to meet every single requirement to be successful — if you're excited about the role and believe you could excel, we strongly encourage you to apply.

• Qualified:
  Bachelor's degree (or higher) in Mechanical Engineering.
• Experienced:
  A proven track record in mechanical design within the
  mining, heavy industry, or energy sector
  .
• A Supportive Leader:
  Skilled at guiding, coaching, and inspiring engineering teams to achieve great outcomes.
• Creative & Strategic:
  Able to approach complex challenges with innovation and fresh thinking.
• Collaborative:
  A strong communicator who thrives in multidisciplinary teams.
• Purpose-Driven:
  Motivated by meaningful work and passionate about tackling global energy challenges.

Why join Green Gravity

• Flexible and Inclusive:
  We support flexible work arrangements to help you balance impactful work with life outside of it.
• Purpose with Impact:
  Contribute directly to the global clean energy transition and help shape a sustainable future.
• Growth & Development:
  Work with an engaged, supportive team and access opportunities for mentorship and leadership development.
• Autonomy & Ownership:
  Shape the future of our technology with significant design freedom and influence.
• Equity Participation:
  Share in the success you help create through our employee equity scheme.
• Location Advantage:
  Choose to work in Wollongong, surrounded by natural beauty and innovation, or Brisbane in our vibrant Valley office.

If you're excited by the idea of applying your engineering expertise to one of the most impactful clean energy projects in Australia — and want to work in a supportive, collaborative environment where your ideas truly matter — we'd love to hear from you.

Even if you don't meet every listed requirement, we encourage you to apply.
Your skills, perspective, and passion could be exactly what we're looking for.