OPC UA Expert in Austria
for connected industrial systems, matched in minutes with vetted and available freelancersHire experts who connect machines, PLCs and business systems with OPC Unified Architecture, design secure information models and integrate SCADA or MES environments. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Austria, who have recently used OPC UA
Alexander P.
Last position:
Owner & Lecturer at Artellico / Own Company for AI Governance and Data Products
- Consulting and interim management at the intersection of IT operations and regulation
- Impact analysis and implementation planning for NISG 2026 and EU AI Act, including risk management and reporting and evidence processes
- Training for governing bodies and employees on regulatory obligations
- Teaching assignments in Data & Information Management and Human-Machine Interaction at Hochschule Burgenland, since 2023
- Supervision of master’s theses and participation in the examination board
- Expert presentations in business and educational institutions
- Design and development of data and AI products, platforms and pipelines
- Privacy-first architectures and Zero-Knowledge Encryption, cloud-native on EU infrastructure
- Connection to bank account systems via SEPA direct debit mandates and message formats according to ISO 20022 (pain.008, camt.053)
- MLOps and AIOps in ongoing operations
- Own applications under own brand: shared code base, separate delivery for each target device
- AI-assisted software development (vibe-coding), complete agentic pipelines, code generation, implementation, automated testing, CI/CD and release cycles
- Publications on EU AI Act, NIS2, DORA, CRA and CER as an integrated governance system
- Publications on data sovereignty, cloud economics and industrial image processing
- AI Governance / Compliance: Data Quality, Responsible AI, EU AI Act Readiness, Risk Classification, AI Ethics
Hannes B.
Last position:
Library for Siemens Work Flow Canvas at ETM (Siemens subsidiary)
WFC is a web-based application and allows extensions in the form of TypeScript libraries.
- Programming and scripting languages: JavaScript, TypeScript, ControlScript from WinCC OA
Peter S.
Last position:
Lead Software Architect at Pritz IT GmbH
- Lead software architect in a greenfield MES project (Manufacturing Execution System / factory control system), responsible for architecture decisions, technology selection, and technical direction throughout the entire development lifecycle
- Designed and built the core framework from scratch, including several reusable Spring Boot starters (e.g., OPC-UA integration, messaging, security) that enable flexible composition of the individual system modules
- Introduced Keycloak as the central authentication and authorization system with SSO across all MES components
- Created and owns the full CI/CD pipeline covering Java, NPM and Docker – automating build, test, containerisation and deployment across all project components
- Set up the architecture documentation space in Confluence as the single source of truth for all architecture decisions, component designs, and integration patterns
- Defined and enforced naming conventions and coding standards to ensure consistency in the growing codebase
- Conducted regular code reviews for quality assurance, knowledge sharing, and adherence to architecture guidelines
- Created and maintained technology roadmaps to guide future development priorities and infrastructure investments
Werner P.
Last position:
Industrial Innovation & Digital Product Advisory at VarionImpact
I help industrial companies in strategy and implementation of digital products.
I work with companies that see software, automation, and connected systems as core drivers of growth or are in the process of becoming exactly that. I help organizations turn technological potential into market-relevant solutions by aligning strategy, product thinking, and execution.
My work sits at the intersection of industry expertise, software, and business impact.
Mubin I.
Last position:
Software Engineer, Freelancer at Siemens-Linz
- Designed and implemented simulation software for electrical power systems, focusing on dynamic element interaction and user interface optimization using C++, wxWidgets, Windows, and Visual Studio.
Georg J.
Last position:
Owner & CEO / Senior IT-Consultant at CONPITEC GmbH
- CONPITEC offers premium consulting and IT services.
- Our clients are leading global IT service providers, as well as international groups in the pharmaceutical industry in Europe.
Discover over 15,000 top freelancers
Statistics of experts using OPC UA
Aggregated from the professional profiles of matched freelancers.
Experience
26 years
Position duration
3 years
Positions per freelancer
10
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Professional Services
Certification focus areas
Project Management, Information Technology, Customer Service
Bachelor's degree or higher
67%
Master's degree or higher
33%
Certifications per freelancer
2
Most common languages
German, English, Arabic
Speak two or more languages
100%
Based on our profile pool as of 16 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Austria are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Austria using OPC UA
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 16 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
OPC UA experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Manufacturing (83%)
- Professional Services (50%)
- Aerospace and Defense (33%)
- Retail (33%)
- Utilities (33%)
- Advertising (17%)
- Construction (17%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Industrial Connectivity
OPC UA, short for OPC Unified Architecture, is a platform-independent standard for exchanging industrial data securely and consistently. It connects PLCs, sensors, machines, SCADA systems, MES software and enterprise applications across vendors and operating systems. Companies use it to build interoperable automation, monitoring and data-integration solutions.
Information Models
The technology carries more than raw values. Its information models describe equipment, states, relationships, events and methods in a structured way. Strong specialists define namespaces, object types, references and metadata so that consuming systems understand the meaning of data instead of treating every signal as an isolated tag.
Ecosystem And Tools
OPC UA work can involve server and client applications, gateways, companion specifications and SDKs from the OPC Foundation and industrial vendors. Relevant tooling and skills include:
- Designing address spaces and reusable information models
- Configuring OPC UA servers, clients and gateways
- Working with .NET, C++, Java or Python SDKs
- Integrating PLC, SCADA, MES, historian and cloud systems
Security And Deployment
Secure deployment requires practical knowledge of certificates, trust lists, application identities, encryption, signing and user authentication. Specialists also need to understand endpoint policies, network segmentation, firewall rules and certificate lifecycle management. This matters especially when production assets must exchange data beyond a protected plant network.
When To Bring In Expertise
Companies often need freelance support during machine integration, plant modernisation, brownfield connectivity or the creation of a shared industrial data layer. A specialist can help when incompatible vendor interfaces slow delivery or when an existing server exposes incomplete, unreliable or poorly documented data. In Austria, on-site work may be useful for commissioning, while modelling, testing and documentation can often happen remotely.
What Strong Specialists Deliver
A strong OPC UA professional connects protocol knowledge with real automation experience. They clarify the process data that matters, choose an appropriate architecture and test behaviour under reconnects, outages and changing certificate conditions. Look for clear namespace documentation, repeatable configuration, secure defaults and evidence that the solution works with the actual PLCs, machines and consuming applications involved.
Frequently asked questions
Everything clients usually want to know about OPC UA, in one place.
OPC UA is used to exchange structured industrial data between machines, PLCs, SCADA, MES, historians and enterprise or cloud applications. It supports monitoring, control-related data flows, alarms, events and machine information without tying the solution to one vendor or operating system.
OPC Unified Architecture is the successor to OPC Classic, with platform independence, built-in security and richer information modelling. OPC Classic relies on older Windows-centric technologies such as COM and DCOM, so OPC UA is usually preferred for new integrations and distributed industrial systems.
A strong OPC UA specialist often understands PLC programming, industrial Ethernet, SCADA or MES integration and database or cloud data pipelines. Experience with certificates, network security, containers and an SDK such as .NET, C++, Java or Python is also valuable.
OPC UA work can be straightforward for a small client-server connection, but production-wide information modelling and secure deployment require deeper practical experience. Choose a freelancer who has handled the relevant PLCs, vendor servers, namespace design, certificate setup and commissioning conditions rather than relying on protocol knowledge alone.
OPC UA modelling, application development, configuration review and documentation can often be done remotely. On-site access in Austria may still be important for connecting physical equipment, checking network paths, commissioning gateways and validating behaviour on the plant floor.
OPC UA is often the better fit when systems need typed industrial information, browsing, methods, alarms or a defined semantic model. MQTT can be simpler for lightweight publish-subscribe transport, but it does not provide the same built-in industrial information structure; both can also be used together.
A good OPC UA implementation has a clear information model, stable namespaces, documented endpoints and carefully managed certificates. Test it during reconnects, device failures, data changes and certificate renewal, and verify that consuming applications receive meaningful values with the expected units, states and timestamps.
Before working with OPC UA, clarify the machines and PLCs involved, existing server capabilities, required data, security policies and the target systems. Also establish whether the task covers modelling, application code, gateway configuration, commissioning or long-term support, because each area demands different access and testing arrangements.
The average hourly rate of freelancers in Austria who have used OPC UA in their recent projects is 113 €, which corresponds to a daily rate of about 902 € based on an 8-hour working day.
Of the freelancers in Austria who have used OPC UA in their recent projects, 67% hold at least a Bachelor's degree and 33% hold at least a Master's degree.
On average, freelancers in Austria who have used OPC UA in their recent projects have 26 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Austria who have used OPC UA in their recent projects are German (100%), English (100%), and Arabic (17%).
The most common industries among freelancers in Austria who have used OPC UA in their recent projects are Information Technology (100%), Manufacturing (83%), and Professional Services (50%).
The most common business areas among freelancers in Austria who have used OPC UA in their recent projects are Information Technology (100%), Product Development (83%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used OPC UA
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Countries:
- Germany
- Austria
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