Qualifications improve your chances; they do not gate the job. Level 4 is the most recognised.
Level 4 most recognisedOpen entry
Your route in
Employers typically expect around L3
1
Qualifications employers recognise (Level 4)
Any of these strengthens your application.
2
Where this can take you
Enter via an Engineering/Electrical Technician L3 or T Level; design-focused roles typically expect an HNC/HND (L4/5) built on top.