IT Expert to Extract & Analyze Hidden Content from .EML File.

I need an experienced IT specialist, developer, or systems engineer to analyze a .eml file (email format) to check for the presence of an embedded email or hidden content — specifically looking for a concealed job offer email embedded in the MIME or HTML structure.

Someone experienced in working with:

Email files (.eml)

MIME parts

Base64-encoded sections

HTML flattening

Email header/content extraction