Recently, the project engineer for a major chemical company sought an interview with a competitor for a job as engineering manager. The position would have been an excellent step up in responsibility and compensation. Because he was known to the company, they asked that he bring his resume to the interview. After he left the interview, the employer called and declined further interest. The reason cited was three misspelled words in the document.
Opportunity knocks only once.
Do not overstate your role. Few achievements occur without multiple contributors. It does not diminish your role to acknowledge that. Being a team player is a salable characteristic. Don't understate your achievements, either .