Apologies, I don’t have any engineering job postings. However, here is where you can gain all your info about how to compose job postings, résumés, how to pick staff, etc.
Employment powerpoint- broken into several parts
employment resumes part 2 (no photos) (click the photos page to see photo samples)
sample job postings below
mechanical engineer
https://targetjobs.co.uk/careers-advice/job-descriptions/276099-mechanical-engineer-job-description
software engineer
https://resources.workable.com/software-engineer-job-description
mechanical engineer
civil engineer
http://engcen.com/job/civil-engineer-paonia-colorado-48287
how to write a job posting sample page