Lab in Rockville has a part - time security position available for weekends and holidays. Hours are from: 12:00 am – 8:00 am. Duties include basic security and answering phones. One year experience required and must have reliable transportation. Drug test & physical will be performed. Applicants should call between 9:00 am – 5:00 pm at 301 – 948 - 9565. EEO.