Watertown recreation officials are seeking job applicants for several seasonal jobs in their department. Positions that are open include program director, program supervisor, program staff, program counselor, specialist, Pequossette staff, park instructors, and park ranger. Candidates must apply by March 1, and most positions will be filled by April 12, according to the city. Applicants must submit a cover letter, resume, letter of reference, a Recreation Department employment application, and a criminal offender record information form. Peter Centola, the director of recreation, will interview candidates. To apply, e-mail all necessary documents to pcentola@watertown-ma-gov , or mail an application packet addressed to: Peter Centola, Director of Recreation, 149 Main St., Watertown, MA 02472. For more information, call the department at 617-972-6494.