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 65,000 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.
Job Description
Acciona Agua is seeking expressions of interest from experienced Mechanical Leads with a strong background in water infrastructure projects, including wastewater treatment plants, drinking water treatment plants, and desalination facilities. This role is critical in supporting key tenders and future project delivery across the Queensland region.

Key Responsibilities:

• Lead the review of detailed engineering needs for water treatment and desalination plant designs.
• Provide technical oversight during the bidding process, including the surveillance and assessment of proposed procedures.
• Coordinate with cross-functional departments to enhance interdisciplinary collaboration and improve bid quality.
• Support the bidding team in standardisation tasks and contribute to the development of consistent technical approaches.
• Conduct detailed process optimisation for mechanical systems in water treatment projects.
• Prepare mechanical equipment data sheets and perform technical tabulations for desalination plant components.
• Review technical documentation post-purchase and ensure alignment with project specifications.
• Follow up on detailed engineering progress through to project completion.

Additional Responsibilities:

• Extract and communicate key technical information from bid documents.
• Propose technical improvements to enhance bid competitiveness and feasibility.
• Prepare and contribute to significant portions of client proposals, presentations, and defences.
• Maintain accurate and effective documentation throughout the bid and project phases.
• Build and maintain strong relationships with vendors and subcontractors.
• Supervise and guide assigned team members, ensuring high-quality deliverables.

Required Skills and Competencies

• Proven experience as a Mechanical Lead or Senior Mechanical Engineer in water infrastructure projects.
• Strong understanding of mechanical systems design, optimisation, and equipment specification.
• Demonstrated involvement in major tenders within the South Australia region.
• Excellent coordination and communication skills, with the ability to work across multiple disciplines.
• Familiarity with bidding processes, technical documentation, and vendor engagement.

ACCIONA has been given the Top Employer 2022, 2023, 2024 & 2025 certification in Australia, which certifies the company’s commitment to excellence in human resources management and those who focus on putting their people first through their exceptional HR policies. Since establishing a presence in Australia in 2002, ACCIONA has made significant investments in local opportunities and project development. ACCIONA employs more than 3,000 people in its renewable energy, infrastructure and water projects across Australia & New Zealand.
We are an Equal Opportunity Employer and promote equality and diversity. Indigenous Australians and candidates from minority groups are encouraged to apply

Key Responsibilities:

• Lead the review of detailed engineering needs for water treatment and desalination plant designs.
• Provide technical oversight during the bidding process, including the surveillance and assessment of proposed procedures.
• Coordinate with cross-functional departments to enhance interdisciplinary collaboration and improve bid quality.
• Support the bidding team in standardisation tasks and contribute to the development of consistent technical approaches.
• Conduct detailed process optimisation for mechanical systems in water treatment projects.
• Prepare mechanical equipment data sheets and perform technical tabulations for desalination plant components.
• Review technical documentation post-purchase and ensure alignment with project specifications.
• Follow up on detailed engineering progress through to project completion

Additional Responsibilities:

• Extract and communicate key technical information from bid documents.
• Propose technical improvements to enhance bid competitiveness and feasibility.
• Prepare and contribute to significant portions of client proposals, presentations, and defences.
• Maintain accurate and effective documentation throughout the bid and project phases.
• Build and maintain strong relationships with vendors and subcontractors.
• Supervise and guide assigned team members, ensuring high-quality deliverables