Operation Admin Assistant location Boon Lay / Jurong / Tuas, West. Job Type Full-Time. Position title operation admin assistant, salary $1800 - $2000, working days 5.5 days (alternate saturday), working hours 8:30am-5:30pm, location tuas. Responsibilities provide administrative support to the operation department, prepare quotation, delivery orders & invoices for work done by operation department, manage the workers’ welfare such as organizing, coordinating of training courses, database update, leave applications, events, announcements, logistics etc, accountable for monitoring of ot claims, validating of ot hours, prepare reports on work hours for projects task tracking etc, responsible for assisting and supporting to operation executive on execution of day to day operation planning, managing of operation workforce, attendance records, participate in toolbox meetings, compliance and ensuring operation department follow the safety practices & safe work procedures, any ad-hoc duties assigned.