Applying for a job with Maricopa County at jobs.maricopa. Gov is a simple online process.A cover letter is a three- to four-paragraph memo to employers that explains your interest in the job and company as well as your qualifications for the role. To view the Job Offer letter, in the Step 1: Review Offer section, click the Offer Letter link. â—‹ A new tab will open displaying your Offer. 4. From the View Job Posting Details page, select Apply. 5. Employment Offer Letter Instructions. When replying to a job offer letter via email, you'll want to express your gratitude for the offer and confirm your acceptance of the position. Step 1: Student must secure an offer of employment and have the supervisor complete and submit the Student Employment Assignment (SEA) form to Human Resources. Go to jobs.maricopa.