Advanced Engineering Solutions | Systems & Control, IIoTs, Digital Twins

Welcome to Industrial Automation and Control Systems (IACS) Engineering, where academic knowledge in OT (Operational Technology) and IT (Information Technology) converges with specialized industrial expertise provided by a pool of self-employed freelancers, independent contractors, or subcontractors.

During peak demand, get instant access to a pool of world-class Principal Engineers, Control Systems Engineers, and Process Control Engineers. Our freelance experts provide flexible, high-impact service solutions tailored to your industry.

24/7 Global Availability: We cover your urgent needs anytime, anywhere.
Risk-Free Start: Enjoy a fully free 1-hour trial consultation before you commit.
Transparent Pricing: Traditional Freelance Rates start at USD89/hour (plus GST/VAT) with a minimum of 4 billable hours. Fixed-price, retainer, or project-based agreements are also available.
No Lock-In Contracts: Flexibility to suit your business needs without long-term commitments.

Note: Our Principal Control Systems Engineer can provide formally completed and signed Form W-8BEN for USA clients.

Our Skills Matrix:

Engineering Designs and Developments Capability	1- System Architecture or System Topology Designing in OT & IT Networks 2- Control Loops Architecture: PID Controllers, Cascaded PID Controllers, Split Range PID Controllers, Model Predictive Control (MPC), Pressureless Conveyor Control (PCC), Leader & Follower Control, etc. 3- Functional Design Specifications (FDS) Writing & Development including modes, states, interlocks, permissives, sequence, etc. 4- Process Objects Control & Simulation Library Design and Development 5- Inspection & Test Plans (ITPs) development including FAT & SAT sheets, PFD, P&IDs, Electrical Schematics, IO List, etc. 6- API Development 7- R&D Case Studies 8- Energy Optimization Loops Study, Control Cost Optimization, and Optimal Operating Parameters 9- Circular economy adaptability by merging recycled material flow stream with that of fresh material flow stream
Process Objects Control Library Development	1- Multi-vendor and Multi-sector Experience 2- Reusable and Easy to Maintainable control objects library development leveraging the object-oriented features of IEC61131-3 as much as possible
Process Objects Simulation or Digital Twin Library Development	1- Multi-vendor and Multi-sector Experience 2- Expert in Structuring the simulation library development to test the control library. 3- Portable FAT/SAT Testing Simulator designed for specific OEMs, EPCs, Control Panel builders, etc. 4- Simulates PLC IOs (input/output), Test sequences, interlocks, alarms via UI, and 5- FAT/SAT sheets auto-filled with timestamps
Process Optimization Studies	1- Calculating Optimal Process Parameters 2- Multivariate regression analysis and Data Modelling
Rockwell Automation	1- Studio 5000 2- FactoryTalk View SE & ME
SIEMENS	TIA Portal (SIMATIC Step 7 and SIMATIC Wincc)
Schneider Electric	1- EcoStruxure Control Expert (formerly Unity Pro) 2- AVEVA Plant SCADA (formerly Citec SCADA) 3- EcoStruxure Geo SCADA Expert (formerly ClearSCADA)
Inductive Automation	Ignition SCADA
GE-Fanuc	Proficy Process Edition
Communication Protocols Integrated	1- CIP over Ethernet/ IP, Profinet, MODBUS TCP, EGD, OPC UA, MQTT, ASi for E-Stops, SNMP, IEC 61850 2- DeviceNet, Profibus DP, CAN bus, MODBUS RTU, DNP3
VSDs & Soft Starters Controlled and/ or Integrated	1- Danfoss VLT Series, SEW EURODRIVE Series, ABB MV Drives, SIEMENS SINAMICS, Schneider Altivar, etc. 2- Real-time soft IOs (Control Words & Status Words) & Hardwired IOs integration with PLCs/PACs/ DCS
IIoT (Industrial Internet of Things)	1- Microsoft: Azure IoT Hub & Azure IoT Edge Modules along with Azure Machine Learning Studio 2- APIs written for communication architecture on MODBUS TCP, OPC UA, MQTT, etc.
R&D Case Studies	Studied and Solved Complex Control and Integration Problems
Industrial Sectors Served	Metals and Mining Sector Oil and Gas Sector Water and Wastewater Sector Food & Beverage Sector Automated Storage/ Retrieval Systems Logistics and Robotic Warehouses Chemical Sector Utilities

IACS Engineering’s Design & Development Skills Matrix

Why Choose Us for Industrial Automation & Control Systems Engineering?

Expertise That Delivers Results

With 18+ years of experience in industrial automation, control systems engineering, and R&D in control theory and process control, we bring unparalleled expertise to your projects.

Comprehensive Functional Design Specification (FDS) Development

Our specialized expertise covers:
✔ System States & Modes
✔ Permissive & Interlocks
✔ Alarm Management Philosophy
✔ Communication Protocols Profiling
✔ Automation Layers Integration (ERP & MES Level)
✔ Sequence Modelling & Design
✔ Collaborative Robotic Process Automation (RPA)

**Specialists in FDS Development: Top to the Bottom Layers Integrating OT & IT Space**

Transparent & Expert-Driven Project Planning

✅ Accurate scope, cost, and delivery estimates directly from a Principal Control Systems Engineer with 18+ years of experience—no hidden costs or surprises.

Flexible & Affordable Consulting Services

🔹 Engage a Principal Control Systems Engineer, Control Systems Engineer, or Process Control Engineer
🔹 Starting at $89 per hour (+GST/VAT, T&Cs apply)
🔹 Minimum engagement: 4 hours for on-demand services

Project-Based & Freelancer Engagement

💡 If you have a well-defined project, our vetted freelancers and subcontractors can deliver cost-effective solutions—no need for long-term commitments.

Vendor-Neutral, Independent Consulting

🚀 Real solutions, not just a one-size-fits-all template! We provide unbiased, practical advice tailored to your industry needs.

👉 Contact us today for a consultation and discover how we can optimize your automation systems!

Up-skilling, One-to-One Training, and Knowledge Transfer Sessions

🔹 Up-skilling, One-to-One Training, and Knowledge Transfer sessions available on-demand, tailored to meet your specific needs and enhance your team’s expertise.

Contact Us 24/7:

Let’s execute the project together by engaging our high calibre and specialist freelance engineer(s). We deliver our specialised remote services worldwide via the following teleconference and videoconference tools:

24/7 Mobile Phone or WhatsApp Obligation-free Call – +61 415 580 588: Ready to elevate your engineering projects with unparalleled expertise? Contact IACS Engineering today and take the first step towards a more innovative and efficient future.