In some cases, yes, depending on the route you choose. Most engineering courses and apprenticeships require GCSEs in Maths and English, and many also ask for Science, particularly Physics. However, some employers and training providers accept alternative qualifications.
A Functional Skills Level 2 qualification in Maths and English is often accepted as an equivalent to a GCSE grade 4/C for engineering apprenticeships or entry-level roles. Requirements vary between courses and employers, so it is important to check the specific entry criteria for your chosen engineering route.