Senior Administrative Assistant

JOB TITLE: Senior Administrative Assistant DEPARTMENT: Public Works

JOB CLASS NUMBER: 3139 DIVISION: WPCC

REVISION DATE: 6/8/2026

DEFINITION/DISTINGUISHING CHARACTERISTICS OF JOB: A Senior Administrative Assistant is under the direct supervision of the Wastewater Treatment Plant Superintendent. It is a versatile, high -level support role that blends executive assistance, project coordination, data analysis, and team leadership, ensuring the smooth operation of compl ex departments or programs. CORE RESPONSIBILITIES:

• Plans, coordinates, and organizes day -to-day office operations
• Processes payroll, invoices, purchase orders, and expense reports
• Prepare budget reports
• Assist with documentation and permits required by EPA and DEQ agencies
• Enter and maintain operational data (flow rates, lab reports, maintenance logs)
• Assist in compiling monthly or annual performance reports
• May assign and monitor the work of other administrative support staff
• Act as the main point of contact for vendors, contractors, and visitors
• Coordinate special projects for the wastewater treatment plant
• Correspond with other departments on projects
• Collects, reviews and analyzes complex or confidential information; prepares reports, budgets and presentation materials using word processing, spreadsheets and specialized software
• Schedules and coordinates meetings, travel, conferences, workshops, and other group activities KNOWLEDGE/SKILLS:
• Advanced proficiency in MS Office and related software; strong verbal and written communication; organizational and time management skills; ability to exercise independent judgment TRAINING AND EDUCATION:
• High School Diploma or general equivalent diploma issued by a State Department of Education
• 5-7 years of administrative or secretarial experience LICENSES AND CERTIFICATES:
• Possess a valid State of Louisiana Drivers License