求職信起到毛遂自薦的作用，好的求職信可以拉近求職者與人事主管(負責人)之間的距離，獲得面試機會多一些。
求職信是自我表白，其目的和作用要是讓人事主管看，因人事主管有太多的'求職信函要看，因此要簡明扼要。
在知名企業，特別是外企或500強企業的求職過程當中，一封出色的求職信是必不可少的。而撰寫一封得體的求職信可能是你在準備應聘的過程中遇到的最棘手的問題。在求職的過程中，只有能體現個人才智的求職信，才能幫助你順利地得到面試機會，謀求一份理想的工作。你需要仔細考慮你所寫的求職信的目的，及其所可能產生的影響。信件要引起讀者的興趣，既要反映出你的目的，也要符合特定的環境要求。下面是本站帶來的高階工程師英文求職信
Dear Ms. Swainsforth，
I am a registered engineer in the state of Michigan, and I am presently seeking a position in the roofing industry. A copy of my resume is enclosed, and I would like to talk with you should you have an appropriate opportunity for me at Kelco Corporation.
My most recent assignment was to manage projects at Forte Products Company to develop products for the commercial roofing industry. Part of my responsibility was to provide technical support to sales people, when they had questions of a technical nature from their engineering or architectural customers.
I have experience in quality assurance and the application of control charting to a large insulation line at Forte Products. This resulted in a 23% reduction in scrap and a 76% reduction in customer complaints.
I am seeking a position as a team leader or manager in product or process development, or in quality assurance. My compensation requirements are in the $65,000 to $70,000 range, and I am open to relocation.
I would welcome the opportunity to talk with you and discuss the technical contributions I could make to the Kelco Corporation, especially in the development of exciting new roofing products.
Thank you for reviewing my credentials, and I look forward to hearing from you shortly.
Sincerely, John Cena