In automation engineering, a portfolio of documented projects can be more persuasive than a list of qualifications. Whether you are applying for your first role or pitching to a new client, a well-structured portfolio demonstrates practical ability in a way that a CV alone cannot. Here is how to build one.
Why You Need a Portfolio
A portfolio provides tangible evidence of your skills. It shows:
- That you can take a specification and produce a working solution
- Your programming style, organisation, and documentation quality
- The breadth and depth of your experience
- Your problem-solving approach and technical decision-making
Many employers, particularly system integrators, ask candidates to walk through previous projects during interviews. Having a prepared portfolio gives you a significant advantage.
What to Include
Project Summaries
For each project, create a structured summary covering:
- Project overview: What the system does and what industry it serves
- Your role: What you were specifically responsible for
- Technical details: PLC platform, programming languages, I/O count, communication protocols
- Challenges: What made this project technically interesting or difficult
- Outcomes: Measurable results such as production rates, uptime improvements, or cost savings
- Screenshots: HMI screens, program snippets (with sensitive information removed), and system architecture diagrams
Simulation Projects
If you are early in your career and lack commercial project experience, simulation projects are valuable:
- Create a simulated production line using PLC simulation software
- Program a batch process controller with recipe management
- Build a SCADA demo with alarm management and data logging
- Design a traffic light controller, car wash sequence, or warehouse conveyor system
The key is to treat simulation projects with the same rigour as commercial work: write a specification, develop structured code, test systematically, and document thoroughly.
Training Projects
Projects completed during CPD-accredited training courses are legitimate portfolio entries. They demonstrate structured learning and practical assessment under professional supervision. Include the training provider name and accreditation details.
Open-Source Contributions
Contributing to open-source automation projects demonstrates initiative and community engagement. Projects on GitHub related to CODESYS, OpenPLC, or Ignition scripting showcase your abilities to a technical audience.
How to Present Your Portfolio
Digital Format
Create a clean, professional document or website:
- PDF document: A well-formatted PDF that you can email or share during interviews
- Personal website: A simple site with project pages, screenshots, and technical descriptions
- GitHub repository: For code samples, scripts, and documentation
Interview Presentation
Prepare a ten-minute presentation covering your three strongest projects. Focus on:
- The business problem and how automation solved it
- Your specific contributions and technical decisions
- What you learned and what you would do differently
Confidentiality Considerations
Many automation projects involve proprietary processes or confidential client information. Respect this by:
- Removing company names if not authorised to share them
- Generalising process descriptions where necessary
- Never sharing actual PLC programmes from client projects without permission
- Using simulation recreations of concepts you worked on commercially
Portfolio Quality Over Quantity
Five well-documented projects are worth more than twenty poorly described ones. For each entry, ensure:
- Clear, professional writing
- Relevant screenshots and diagrams
- Honest descriptions of your role (do not overstate your contribution)
- Technical accuracy in all descriptions
Maintaining Your Portfolio
Update your portfolio regularly as you complete new projects. Remove older or less relevant entries to keep it focused and current. A portfolio that grows alongside your career becomes an increasingly powerful asset for job applications, contract negotiations, and professional development reviews.
Getting Started Today
If you do not have a portfolio yet, start now:
- List all projects you have worked on or studied
- Select the five most impressive or diverse examples
- Write a one-page summary for each using the structure above
- Gather screenshots, diagrams, and any available metrics
- Format everything consistently in a clean PDF or website
Even a small, well-presented portfolio demonstrates professionalism and initiative. In a competitive market, it could be the factor that gets you hired.
