Interested parties should send resumes to resume@gmchc.org, Human Resources Department 605 Rhode Island Avenue, NE, Washington, DC 20002 or fax (202) 832-4996. Hiring decisions may be made five (5) days after the posting date. Greater Mt. Calvary Holy Church (GMCHC) is an. Equal Opportunity Affirmative Action Employer. GMCHC Employees must complete their probationary period of 6 months to be eligible to apply for another position. Please identify...