Begin with your skills either hard or soft
hard skills: managing a project with X software and the methods you used to solve a certain problem and the impact of your work
soft skills: able to work unsupervised, work under pressure and able to meet deadlines, presentation skills etc
You say you know AutoCAD and Matlab but what achievements have you obtained from using them? Is there a special solution that you’ve found in some of your assignments that would address actual issue in the industry?
Getting a position in engineering firm is quite difficult now.
If you happen to attend an interview, make sure you are well equipped with technical knowledge, including calculations, diagrams, standards…
And always include a cover letter! It helps!
Good luck!