job descriptions HEAD OF DEPARTMENT EXECUTIVE ASISTANT USER SERVICES UNIT - CHIEF - CIRCULATION USER SERVICES UNIT - CIRCULATION USER SERVICES UNIT - REFERENCE SERVICES - USER TRAINING TECHNICAL SERVICES UNIT - PUBLICATION PURCHASING TECHNICAL SERVICES UNIT - PUBLICATION PURCHASING TECHNICAL SERVICES UNIT - PERIODICALS - THESIS - RARE BOOKS TECHNICAL SERVICES UNIT - E-RESOURCES - CORPORATE OPEN ARCHIVE TECHNICAL SERVICES UNIT - CATALOGING / CLASSIFICATION TECHNICAL SERVICES UNIT - OTHER MATERIALS ADMINISTRATIVE SERVICES UNIT - BRANCH MANAGER ADMINISTRATIVE SERVICES UNIT - CHIEF ADMINISTRATIVE SERVICES - PURCHASING ADMINISTRATIVE SERVICES UNIT - MATERIAL REGISTRATION CONTROL OFFICER ADMINISTRATIVE SERVICES UNIT - PHOTOCOPY ADMINISTRATIVE SERVICES UNIT - TECHNICAL STAFF ADMINISTRATIVE SERVICES UNIT - SECURITY