About Us

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SNG

About SNG Engineering

SNG Engineering Pty Ltd is a Sydney-based civil engineering and construction firm specialising in water treatment plant (WTP) and wastewater treatment plant (WWTP) construction, urban utility networks, and civil infrastructure delivery across New South Wales and Queensland. Founded in 2010, SNG has over 15 years of experience partnering with local councils, state government agencies, and private developers to deliver high-performing water and civil assets in both metropolitan and remote Australian environments. 

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Our Journey

Milestones in Australian Infrastructure

Since our establishment, SNG Engineering has evolved from a specialist utility contractor into a multidisciplinary infrastructure partner. Our growth is marked by a sustained track record of delivering complex assets in logistically demanding regional corridors. 

Demonstrated Experience

Key Projects

We define our success through the resilience of the assets we leave behind. Our portfolio features projects that required high-level technical problem-solving and operational independence.

How we engineer certainty on every project.

The 3A Delivery Engine

SNG Engineering operates on a results-oriented framework designed to solve complex infrastructure challenges through three pillars of excellence:

01

Advanced Engineering

We integrate cutting-edge technology including BIM (Building Information Modeling), SCADA, and Drones from the earliest stages. This tech-first approach allows us to optimize project outcomes and mitigate structural risks in a digital environment before construction begins.

02

Accredited Quality

Our methodology is governed by a triple-certified Integrated Management System (ISO 9001, 14001, and 45001). This ensures that safety, environmental stewardship, and technical integrity are baked into our daily workflow.
03

Adaptive Solutions

We specialize in proactive construction management in remote and challenging environments. Our expertise lies in managing complex supply chains and geological hurdles to deliver budget-conscious, operational excellence regardless of location. 

Our Company Status

Accreditations & Regulatory Compliance

PQC (Prequalification)
Level 3

This status qualifies SNG Engineering to tender for NSW Government construction contracts up to a specified financial threshold, demonstrating our financial capability, technical competence, and management systems to rigorous government procurement standards.

ISO
Triple-Certification

Certified to ISO 9001:2015 (Quality),
ISO 14001:2015 (Environmental), and
ISO 45001:2018 (Safety).

Accredited for
High-Risk Works

Fully licensed for confined space entry, deep excavations, and live flow management—in accordance with the Work Health and Safety Act 2011 (NSW) and Safe Work Australia requirements.

Our TEAM MEMBER

Meet the Team

SNG Engineering is powered by a multi-disciplinary team of civil, mechanical, and electrical engineers, supported by specialized site supervisors and project managers. 

Got Questions?

Frequently Asked Questions

When was SNG Engineering founded and where is it based?

SNG was founded in 2010. We are headquartered in Sydney and maintain active operational hubs to serve clients across New South Wales and Queensland. 

We hold PQC Level 3 status, which verifies our eligibility for major NSW Government infrastructure projects based on a proven history of technical and financial performance. 

Our remote portfolio includes the Wilcannia WTPWindorah WTP, and various regional pump station upgrades. We specialize in “self-sufficient” delivery, managing all logistics, housing, and supply chains internally.

It is SNG’s proprietary process of Advanced Engineering (Technology), Accredited Quality (Standards), and Adaptive Solutions (Execution). It ensures that mechanical hardware is perfectly synchronized with digital automation logic. 

Ready to partner with SNG Engineering?

Discover how our precision engineering can deliver your next critical infrastructure project.