Senior Project Engineer Mechanical

ACCIONA is a global company leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65000 professionals present in more than 40 countries across the five continents all contributing in our mission to design a better planet. Are you a passionate individual who wants to make a difference promote sustainable development and find solutions to the biggest global challenges including climate change overpopulation and water scarcity Come and join us in building the infrastructure our planet needs to achieve a sustainable future.

Acciona Agua Australia a global leader in sustainable water infrastructure is invitingapplications for an experienced Senior Project Engineer Mechanical to support the delivery of major water projects across New South Wales.

This key role will contribute to the successful execution of large-scale infrastructure initiatives including desalination and conventional water treatment facilities. The ideal candidate will bring strong mechanical engineering expertise hands-on project delivery experience and a collaborative approach to driving performance and innovation within the water sector.

Project Delivery Leadership

• Actively participate in the mechanical design implementation and commissioning of major water infrastructure projects.

• Provide technical oversight during procurement construction and commissioning phases.

• Ensure compliance with mechanical design intent technical specifications and project milestones.

• Resolve complex technical issues and support continuous improvement initiatives.

Design & Planning

• Develop conceptual and detailed mechanical designs for desalination and water treatment projects.
• Prepare technical calculations procurement specifications and digital design documentation.
• Present designs and cost estimates to stakeholders.

Procurement & Coordination

• Work closely with procurement teams to define mechanical scopes and technical requirements.

• Oversee vendor engagement RFQ processes and equipment selection.

• Coordinate with consultants subcontractors and internal teams to ensure seamless delivery.

Client & Stakeholder Engagement

• Act as a key technical liaison with clients and project partners.

• Present mechanical solutions and lead discussions to ensure stakeholder confidence.

• Foster strong relationships to support future project opportunities.

Qualifications & Skills

• Bachelors degree in mechanical engineering industrial process or a related engineering discipline.

• Minimum 4 years of experience in mechanical project delivery or technical tendering.

• Demonstrated experience in mechanical design and delivery for water treatment projects.

• Strong understanding of mechanical systems equipment selection and installation practices.

• Excellent communication skills and the ability to engage effectively with stakeholders at all levels.

• Proven experience with procurement processes and vendor coordination.

• Ability to work under pressure and manage competing deadlines.

• Willingness to travel interstate and internationally as required.

• Experience with digital engineering platforms (e.g. BIM) is highly regarded.

Why Lead with Acciona Agua Australia

• Be part of delivering globally significant sustainable infrastructure projects.

• Join a collaborative innovative and values-driven engineering team.

• Influence strategic planning and long-term asset performance.

• Access career advancement and leadership development opportunities.

• Make a lasting impact on communities and the environment through meaningful work.