"To handle the job" means being capable and competent enough to complete a specific task or responsibility successfully and effectively. Full definition
Employers would generally consider you for the role if they see in your resume that you have worked previously or are presently handling the job of a courtesy clerk or other related positions. (jobdescriptionandresumeexamples.com)
It portrays your credentials and proficiency in handling your job responsibilities. (bestresumewriting.com)
A resume for such a responsible position should make the employer believe that you are capable of handling the job responsibilities efficiently. (bestsampleresume.com)