Senior Wastewater Engineer

WorkPac Technical and Operations; Adelaide; On-site; AUD 117,000 - 172,000; Full time

Benefits offered by this job

Weekly pay processing

ABN options

Competitive hourly rates

Job summary

WorkPac is seeking an experienced wastewater engineer in Adelaide to provide technical leadership in servicing strategies to support growth programs. You will oversee hydraulic modelling, assess capacity, determine triggers, and mentor junior engineers.

You will lead up to 5 engineers, contribute to long-term capital pipelines and infrastructure staging, and engage with stakeholders to deliver safe, compliant, and sustainable infrastructure solutions.

Qualifications

• Degree in civil, environmental or wastewater engineering.
• 8+ years in wastewater network planning and hydraulic modelling.
• Experience applying hydraulic modelling to growth strategies and developer assessments.
• Ability to lead, mentor, and manage a small team.
• Strong stakeholder communication with a safety-first approach.
• Flexible PAYG or ABN options with weekly pay.

Responsibilities

• Undertake and supervise wastewater network modelling to support strategic growth programs.
• Assess network capacity and infrastructure triggers for major housing and development precincts.
• Conduct steady-state and extended-period hydraulic simulations to resolve network constraints.
• Evaluate developer connection enquiries and provide clear, defensible technical advice.
• Provide technical leadership, peer reviews, and day-to-day supervision for up to 5 engineers.
• Contribute technical input into long-term capital investment pipelines and infrastructure staging.

Skills

Wastewater modelling

Hydraulic modelling

Technical leadership

Stakeholder communication

Team leadership

Mentorship

Education

Civil/Environmental/Wastewater Engineering degree

Job description

Our client is a premier national engineering and technical consultancy known for delivering complex infrastructure, water, and environmental projects. They partner with major utility providers to design and optimize critical community infrastructure.

About the Position

This Adelaide-based role provides technical leadership in wastewater servicing strategies to support major growth programs. You will oversee hydraulic modelling, evaluate developer connection impacts, determine infrastructure triggers, and mentor junior engineers.

Key Responsibilities Include

• Undertake and supervise wastewater network modelling to support strategic growth programs.
• Assess network capacity and infrastructure triggers for major housing and development precincts.
• Conduct steady-state and extended-period hydraulic simulations to resolve network constraints.
• Evaluate developer connection enquiries and provide clear, defensible technical advice.
• Provide technical leadership, peer reviews, and day-to-day supervision for up to 5 engineers.
• Contribute technical input into long-term capital investment pipelines and infrastructure staging.

Skills and Experience Required

• Tertiary qualifications in Civil, Environmental, or Wastewater Engineering.
• 8+ years of experience in wastewater network planning and hydraulic modelling.
• Proven expertise in applying hydraulic modelling to growth strategies and developer assessments.
• Demonstrated ability to provide technical leadership, mentorship, or team management.
• Strong stakeholder communication skills with a safety-first and collaborative approach.
• Flexible contract arrangements (PAYG or ABN options with weekly pay processing).
• Highly competitive hourly rates ($85 - $125/hr + GST if applicable).
• High-visibility senior leadership position on critical regional infrastructure programs.

EEO

At WorkPac, we foster a work environment where everyone feels welcome and valued. As an Equal Employment Opportunity employer, we welcome applicants from all backgrounds and embrace diversity in race, gender, age, religion, culture, and ability.