Unsupported legacy control systems create unacceptable production bottlenecks. We provide precision PLC programming, seamless system integration, and embedded maintenance to protect your vital uptime.
Delivered by Best-in-Class Technicians for 20 Years
For over 20 years, MEX Engineering Group has operated as the critical infrastructure partner for some of Australia’s most demanding manufacturing and processing environments. We deliver every project under strict HSEQ risk discipline, ensuring safe, compliant, and right-first-time engineering execution.
Unlike other engineering firms who rely on transient labour, we invest heavily in our dedicated in-house training centre to develop the most skilled industrial electricians and mechanical fitters in the industry. This guarantees stable site teams, deep institutional memory, and unparalleled workmanship for your plant. MEX Engineering Group is a CMSE® (Certified Machinery Safety Expert – TÜV NORD) and houses the NSW Centre of Excellence for Additive Manufacturing.
Why choose MEX Engineering Group for PLC Automation?
MEX Engineering Group is the critical infrastructure partner for Australian manufacturing and production facilities. We bridge the gap between high-level software engineering and boots-on-the-ground hardware execution. Operating under strict international certifications, our embedded automation technicians deliver measurable reliability improvements without disrupting your production schedules.
→ In-house Engineering Capability
→ Maintenance-first reliability
→ Hardware independence (OEM-Agnostic)
→ Execute complex automation upgrades
→ True 24/7 breakdown authority
→ Backed by our in-house TÜV Nord Certified Machinery Safety Experts (CMSE®)
End-to-End PLC & Automation Solutions
Most generalist engineering firms treat automation as a disjointed software exercise, writing logic off-site but lacking the heavy industrial electrical capability to safely wire the panels and field devices. This reactive, fragmented approach leads to improper system integration, communication faults, and increased risks of unpredictable downtime.
MEX Engineering Group provides a complete, full-stack automation solution. By deploying stable, long-term technicians who learn the precise history of your assets, we build deep institutional memory. From legacy PLC migrations and SCADA network design to custom Motor Control Centre (MCC) wiring and preventive diagnostics, we engineer strategic, long-term upgrades that eliminate recurring bottlenecks and maximise your asset lifecycles.
High-Impact PLC Automation Outcomes
We offer a complete, end-to-end mechanical and electrical engineering solution that addresses the specific pain points of modern manufacturing facilities. Our technical capabilities are engineered to improve reliability, ensure strict AS/NZS compliance, and protect your vital uptime.
| Automation Discipline | Technical Capability | Primary Operational Outcome |
| Control System Engineering | Hardware and software selection, architecture design, and custom PLC programming. | Modernises unsupported legacy equipment to prevent forced obsolescence and catastrophic halts. |
| SCADA & HMI Integration | Modifying, testing, and commissioning overarching software like Citect, Wonderware, and Factory Talk View. | Enhances remote monitoring, data acquisition, and central plant visibility without creating operational bottlenecks. |
| Safety System Architecture | Seamless programming and integration of safety PLCs and interlocked guarding designed by our CMSE® experts. | Eliminates danger to operators and guarantees strict compliance with AS/NZS 4024. |
| Fractional Automation Support | Supplying embedded automation technicians for continuous production coverage. | Protects continuous production output and provides rapid fault-finding without straining your internal maintenance teams. |
| Mechatronic Synchronisation | Bridging the gap between moving mechanical parts and electrical drives. | Ensures highly synchronised automated machinery, drastically improving high-speed throughput. |
Supported PLC & Control System Platforms
Our automation technicians specialise in the rigorous digital environments of heavy industry and high-speed manufacturing. We are highly experienced in programming, migrating, and maintaining a wide variety of industry-standard control platforms, including:
Primary PLC & HMI Platforms
Allen Bradley, Siemens, Omron, and Schneider.
Secondary Supported Hardware
Mitsubishi, Phoenix Contact, Panasonic, DirectLogic, GE, ABB, Hitachi, and Banner.
SCADA Platforms
Citect SCADA, AB Factory Talk View, and Wonderware.
Safety Control Systems
REER, Pilz, Allen Bradley, Sick, Banner, and Samos.
And many more system platforms.
Talk to our automation technicians.
Trusted by Australia’s Leading Manufacturers
MEX Engineering Group provides embedded site teams and engineering services to some of the country’s largest production facilities. We maintain critical infrastructure for industry leaders across FMCG, food and beverage, and high-speed packaging, including Tooheys, CHEP, Ullrich Aluminium, Goodman Fielder, and BlueScope Steel.
From Engineering Design to Boots-on-the-Ground Execution
We eliminate contractor inconsistency by managing the entire lifecycle of your plant’s electrical infrastructure. Our process begins with robust, AS/NZS 3000 compliant electrical design, MCC panel specification, and control system architecture.
Instead of handing the project off to third-party contractors, we deploy our own in-house trained technicians to execute the installation. This ensures that the complex engineering strategy is perfectly translated into a safe, high-performance reality on your factory floor. We secure this investment by providing comprehensive as-built drawings, rigorous compliance validation, and ongoing fractional maintenance coverage to protect your vital uptime.
Core Trade Capabilities
Maintenance
Fractional maintenance and 24/7 breakdown support. We protect uptime and the expensive cost of downtime.
Electrical
LV power, control design, and hazardous area installations. We provide safe, compliant, and robust electrical systems.
Additive Manufacturing
Industrial Markforged 3D printing. We can do rapid reverse engineering to overcome supply chain delays.
Machine Safety
Full-stack CMSE® safety solutions. Unlike advisory-only consultants, we execute all four stages in-house—risk assessment, safe design, physical installation, and validation.
Full-stack PLC automation for Logistics Company
Our logistic client operates a mission-critical refrigeration plant requiring absolute precision and reliability. MEX Engineering Group was engaged to execute an entire automation upgrade on this vital infrastructure.
Our team specified the required PLC hardware, automation PCs, networks, and panel layouts. We subsequently programmed, tested, and commissioned the new PLC code, alongside modifying and testing the current WonderWare SCADA system. By providing both local and remote engineering support, our full-stack automation strategy delivered seamless integration and robust performance uplift across their facility.
Reliable Automation Integration Framework
We follow a structured 6-step framework to embed our automation expertise inside your facility:
Control System Assessment
Identifying unsupported legacy PLCs, communication bottlenecks, and safety compliance risks.
Fractional Maintenance Integration
Embedding our automation technicians to build site knowledge and stabilise reactive software faults.
Root Cause Fault Isolation
Eliminating repeat logic failures and drive faults through data-driven troubleshooting.
Automation Architecture Design
Using the latest software to design robust AS/NZS compliant control architectures and hardware selections.
Turnkey System Commissioning
Executing PLC, SCADA, and network upgrades securely during planned shutdown windows to protect throughput.
24/7 Breakdown Coverage
Providing rapid-response on-call automation support to ensure production continuity.
What Our Clients Are Saying
We would highly recommend MEX Engineering Group to any business looking to improve equipment reliability, product quality, and operational performance. Their response time is fantastic for breakdown support 24 hour 7 days a week.
Aaron Gater, BriteStar General Manager
MEX Engineering Group has been an integral part of our operations here in Chullora. MEX Engineering Group is a vital cog of our Engineering and Reliability program, which spans from critical maintenance to capital projects. The relationship we have with MEX Engineering Group is a product of decades and decades of hard work and commitment to safety, and it has been a privilege for us to have them onboard.
Raphael, BlueScope Steel
From initial installation through to full system commissioning. MEX Engineering Group’s hands-on approach and technical expertise allow us to deliver reliable, efficient and high-performing solutions to our clients as well as ongoing mechanical and electrical technical support 24/7. This partnership strengthens our ability to provide complete, end-to-end service with confidence, ensuring long-term performance and operational success across every project.
Dominik Dobaj, Packology
Adapting to High-Speed Manufacturing Demands
Australian manufacturing is undergoing rapid shifts, particularly in FMCG where production lines must adapt to high-speed canning and ready-to-eat meal packaging. As throughput demands increase, operating legacy PLC systems and unsupported SCADA networks poses a severe risk to your output.
Modernising these systems through targeted control system engineering and precision automation is no longer optional; it is an absolute requirement to remain competitive, safely survive 24/7 rosters, and prevent the massive cost of unplanned shutdowns
Automation Solutions by Industry
| Industry Classification | Common Automation Challenges | How MEX Engineering Group Adds Value |
| FMCG & Food Processing | Strict hygiene standards and microsecond timing for high-speed output. | Washdown-rated electrical design and highly synchronised PLC servo automation. |
| Brewing & Distilling | Complex fluid routing, valve manifolds, and critical refrigeration control. | Extensive SCADA upgrades, network commissioning, and Wonderware integration. |
| Logistics & Warehousing | Material bottlenecks from automated guided vehicles and sorting lines. | Mechatronic upgrades and cohesive PLC integration to synchronise machinery. |
| Heavy Metal Processing | Extreme loads, heavy vibration, and severe crushing hazards. | CMSE-backed safety PLC programming and heavy industrial control design. |
Frequently Asked Questions
What PLC brands does MEX Engineering Group support?
We are OEM-agnostic, meaning we specify the best hardware for your exact operational reality without vendor lock-in. Our control system engineers specialise in major platforms including Allen Bradley, Siemens, Omron, and Schneider, alongside supporting secondary systems like Mitsubishi, GE, ABB, and Panasonic.
Can you upgrade our legacy PLCs without causing massive production delays?
Yes. We understand that unplanned downtime is an unacceptable cost. Our automation leads strategically align complex PLC and SCADA migrations precisely with your narrow planned shutdown or changeover windows, ensuring the plant returns to full capacity immediately.
Do you supply automation technicians for fractional production coverage?
Yes. When production demands surge or your internal staff are struggling to diagnose complex digital faults on legacy machinery, we supply embedded, highly skilled automation technicians to provide fractional contract maintenance. This ensures your line remains fully supported during peak runs.
What is the difference between PLC Automation and a SCADA System Upgrade?
A Programmable Logic Controller (PLC) provides direct, on-machine automation, instructing mechanical parts on exactly how and when to move. A Supervisory Control and Data Acquisition (SCADA) system is the overarching software that connects multiple PLCs, allowing plant managers to monitor the entire production line, gather data, and control processes remotely from a central interface.
Do you provide 24/7 breakdown support for your engineered systems?
Yes. MEX Engineering Group operates a true 24 hour, 7 day breakdown response service. We do not just design and install; we provide the ongoing fractional maintenance and rapid recovery capability required to protect your uptime.
Are your engineering services compliant with Australian Standards?
Absolutely. We operate under rigorous HSEQ frameworks, and certifications. Our engineering designs strictly adhere to AS/NZS 3000 wiring rules and are supported by in-house TÜV Nord-certified CMSE® – Certified Machinery Safety Experts.
Protect Your Uptime Today.
Contact MEX Engineering Group to discuss your PLC programming, SCADA upgrades, and embedded automation requirements with a senior engineering specialist.
Why contact MEX Engineering Group?
- True 24/7 breakdown availability
- 100% in-house engineering capability
- Backed by TÜV Nord CMSE® experts
- Trusted by Australia’s top manufacturers for 20+ years