Paul Blanchflower, who guided the Hares during the final three months of the Thurlow Nunn League Division One season, said he will not be applying for the March Town FC job.
Blanchflower succeeded Paul Crosbie in February and March Town finished bottom of the table.
Applications are sought for the post of manager. It is envisaged that applicants will wish to present a three-year plan to move the club forward on the field while major developments take place off-field.
Applicants should contact the club chairman by email at the earliest opportunity (Philip.White@amey.co.uk).