Senior O&M Engineer (Water infrastructure)

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 a global leader in sustainable water solutions, specialising in the design, construction, and operation of water treatment and desalination plants. We are committed to innovation, environmental stewardship, and delivering high-performance infrastructure that supports communities and ecosystems.

The Opportunity

We are seeking a highly experienced Operations & Maintenance Engineer to lead the operational management and technical development of our water treatment and desalination projects. This role is pivotal in ensuring the reliability, efficiency, and sustainability of our facilities.

This pivotal role will oversee Operations & Maintenance (O&M) activities across multiple contracts in the region, ensuring optimal performance and long-term sustainability of our facilities. The successful candidate will also play a key role in supporting the development of future tenders and expanding our presence in the area.

Key responsibilities include driving operational excellence, maintaining compliance with safety and environmental standards, and ensuring the reliability and efficiency of all managed assets.

Key Responsibilities

Oversee day-to-day O&M activities across water treatment and desalination assets

Develop and implement preventive and corrective maintenance strategies

Monitor plant performance and optimise operational efficiency

Lead technical investigations and implement solutions for process improvement

Ensure compliance with safety, environmental, and regulatory standards

Support tender processes and transition projects into delivery

Supervise engineering development, including digital design environments

Prepare technical reports and engage with internal and external stakeholders

Mentor junior engineers and contribute to team development

Required Skills and Competencies

Qualifications & Skills

Degree in Civil, Chemical, Mechanical, Electrical, or related engineering discipline

Extensive experience in process design and operational management of water treatment and desalination projects

Proven leadership in supporting tenders and transitioning into project delivery

Strong capabilities in supervising engineering development, including digital design environments

Excellent communication skills, with proficiency in technical report writing and stakeholder engagement

Ability to work independently and collaboratively in dynamic project environments

Willingness to travel interstate and internationally as required

Spanish language skills are advantageous

Why ACCIONA Agua?

Be part of a global leader in sustainable infrastructure

Work on impactful projects that protect and enhance water resources

Enjoy a collaborative and inclusive work culture

Competitive salary, benefits, and career development opportunities

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.

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