Administrative Assistant III
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Administrative Assistant III
Salary
$45,255.39 - $75,424.96 Annually
Location
LORTON (JN02), VA
Job Type
FT Hourly W BN
Job Number
26-00165
Department
DPWES Solid Waste Management
Opening Date
01/17/2026
Closing Date
1/30/2026 11:59 PM Eastern
Pay Grade
S15
Posting Type
Open to General Public
Description
Benefits
Questions
Job Announcement
Under general supervision, this position provides advanced administrative and office support to senior-level managers, supervisors, and staff within the Solid Waste Management Program (SWMP) at Newington and the I-95 Landfill Complex. The position focuses on handling essential administrative functions, including drafting routine correspondence, proofreading documents for accuracy, organizing information into spreadsheets and databases, and creating reports and presentations. It requires performing financial and accounting duties, assisting with human resource and payroll processes, and ensuring exceptional customer service to staff, customers, and stakeholders.
Responsibilities include maintaining staff calendars, scheduling rooms for meetings and training, managing appointments and supporting emergency response systems. This role also involves working with various software packages to produce and manage forms, databases, and tracking systems for operational efficiency. It provides back-up administrative IV, supervises others when required, and occasionally conducts field-based data collection to meet operational needs.
The Administrative Assistant III is responsible for resolving customer inquiries or complaints with professionalism, identifying root causes, and implementing solutions to meet resolution standards effectively. Additionally, it supports financial functions, such as reconciling accounts, processing invoices, and ensuring adherence to procurement policies and procedures. Human resource duties include payroll time entry in FOCUS, verifying completeness and accuracy, explaining basic payroll and benefits information to employees, and training staff on time entry procedures.
A commitment to detail, organizational excellence, communication, and safety is essential in fulfilling this position's duties. Flexibility, professionalism, and technical proficiency are key to ensuring smooth daily operations across multiple sites.
DPWES is a diverse, nationally accredited and award-winning public works agency with approximately 1,000 employees providing solid waste, capital facility development, wastewater, stormwater, urban forestry, and land acquisition management services for the most populous county in Virginia. Join our team to help us protect the environment and serve the people of Fairfax County by creating and preserving a sustainable community that is an ideal place to live, work, and play for everyone.
Fairfax County Government is committed to our employees, and offers comprehensive benefits, including a defined-benefit retirement plan; medical, life and disability insurance; paid leave; tuition reimbursement; and reasonable accommodations for individuals with disabilities. Through our LiveWell Program and the county Benefits Division, we endeavor to cultivate a culture of wellbeing that empowers, educates and engages employees and retirees to make life-long choices that promote a holistic approach to their physical, mental, emotional, social, spiritual and financial wellness.
Please review our awesome benefits:
Benefits (https://www.fairfaxcounty.gov/hr/fairfax-county-benefits-summary)
Retirement
Note: The assigned functional areas for this position include general administrative assistance, human resources, accounting, payroll and/or customer service.
Illustrative Duties
(The illustrative duties listed in this specification are representative of the class but are not an all-inclusive list. A complete list of position duties and unique physical requirements can be found in the position job description.)
General Financial Duties
Uses spreadsheets or databases to organize information and produce standard reports;
Prepares a variety of complex disbursement forms (e.g., check requests, travel forms, cash sheets, and journal entries) for routing and approval;
May approve some disbursement forms;
Compiles and maintains monthly, quarterly, semi-annual, and annual totals, reports, and financial statements;
Explains fiscal rules and procedures to employees to ensure uniform application.
Fiscal Administration
Sets up accounts through corporate systems;
Reconciles ledgers;
Prepares status reports;
Gathers data for use by others in preparing budget;
Prepares transfer vouchers and interfund billing;
Monitors external accounts for discrepancies.
Accounting
Prepares wide variety of accounting forms;
Reconciles daily receipts or accounts receivable/payable;
Identifies discrepancies and makes corrections;
Collects required documents;
Prepares and authorizes expense vouchers and/or invoices within limited authorization levels.
Purchasing
Verifies requests for goods and services against county contracts and funding sources;
Orders goods or services and follows up/resolves discrepancies and ensures delivery;
Authorizes requests for goods and services in corporate systems;
Ensures appropriate routing and approval of purchase requests.
Scheduling & Coordinating for Others
Maintains calendar(s);
Schedules meetings;
Makes and cancels appointments;
Schedules rooms for classes, meetings, conferences, etc.;
Coordinates audiovisual, training equipment, refreshment requests;
Set up schedules for internal administrative staff to insure that they are available to meet changing work needs.
Communication
Composes routine correspondence on behalf of the executive/work unit head.
Office Management
Provides administrative support and implements procedures;
May supervise others;
Establishes/modifies and maintains a system for tracking the progress of work that is the responsibility of the executive/work unit head;
Trains and orients new employees;
Provides and explains relevant policies and procedures.
General Administrative
Composes routine correspondence on behalf of the executive/work unit head.
Receptionist/Public Contact
Schedule appointments;
Explains departmental policy/procedure but does not interpret them;
Responds to inquiries that require referencing a variety of sources and utilizing
knowledge of the department/county operations.
Word Processing/Typing
Keys/@types complex documents (e.g., technical);
Proofs spelling and grammar;
Uses multiple software packages to prepare equations, statistics, tables and/or presentations;
Compiles reports from edited drafts;
Uses macros and templates developed by others.
Information Systems/Software
Performs data entry with some knowledge of department/work unit/program;
Manipulates screens for additional entries;
Generates routine reports;
Creates simple spreadsheets;
Maintains databases.
Reports
Compiles routine factual/numerical reports using readily available information.
Payroll
Processes pay adjustments;
Transmits on-line T&As;
Regularly inputs routine Human Capital Management Enterprise Resource Planning system entries;
Performs payroll functions (e.g., internal collection of time sheets, verify T&A entries, verify leave slips);
Trains new employees on how to do on-line time.
Personnel
Prepares and verifies completeness/accuracy of forms/documents (e.g., personnel requisitions, PARS, PCFs);
Provides basic new employee benefits information;
Explains routine personnel policies and procedures;
Gathers information (e.g., salary range, class specifications, and merit adjustments) from HR website or other county sources for supervisor/management;
Instructs employees in proper completion of routine documents (e.g., insurance enrollment forms).
Required Knowledge Skills and Abilities
(The knowledge, skills and abilities listed in this specification are representative of the class but are not an all-inclusive list.)
Knowledge of standard rules and interpretations within own functional area and a working knowledge of established methods and procedures used in related areas;
Significant nonstandard skill/knowledge is required involving production of an end product such as a report.
Word Processing/Typing
Basic skills in the use of Microsoft Word.
Math Skills
Basic math skills.
PC Skills
Basic skills in the use of applicable Microsoft Office Suite software.
Communication
Ability to write simple documents.
Information Abilities
Ability to process and integrate complex data.
Interpersonal Abilities
Ability to establish and maintain effective working relationships with both external and internal contacts.
Purchasing and Accounting
Ability to perform data entry into Purchasing/Logistics Enterprise Resource Planning systems and/or Financial Enterprise Resource Planning systems in at least three functions (e.g., create shells, accounts payable processing).
Personnel and Payroll
Ability to perform routineHuman Capital Management Enterprise Resource Planning system functions (e.g., process PARS, requisitions).
Executive Assistance
Ability to maintain confidentiality and be sensitive to political issues.
Employment Standards
MINIMUM QUALIFICATIONS:
Any combination of education, experience, and training equivalent to the following: (https://www.fairfaxcounty.gov/hr/equivalencies-education-and-experience)
(Click on the aforementioned link to learn how Fairfax County interprets equivalencies for "Any combination, experience, and training equivalent to") high school graduation and two years of experience providing administrative support in the assigned functional area(s).
NECESSARY SPECIAL REQUIREMENTS:
The appointee to this position will be required to complete a criminal background check to the satisfaction of the employer.
This position is considered essential personnel for purposes of continuity of operations and may be required to respond during inclement weather or emergency situations.
PREFERRED QUALIFICATIONS:
Two (2) years of Solid Waste or related industry experience.
Four (4) or more years of administration assistant experience dealing with payroll, and procurement.
Three (3) years of customer service experience.
Demonstrates oral and written communication skills.
Demonstration of intermediate proficiency in Microsoft Excel and or similar reporting and statistical applications
PHYSICAL REQUIREMENTS:
Ability to input, access, and retrieve information from a computer. Ability to lift up to 25 pounds without assistance. Ability to negotiate and traverse property sites that may be undergoing construction or where uneven terrain exist. Ability to walk, stand, sit, stoop, bend, stretch, reach, climb, kneel, crouch, crawl, lift and sometimes work in these positions for lengthy periods of time. Ability to work in adverse weather conditions and temperatures. Able to perform repetitive hand, arm, wrist and shoulder movements. Manual dexterity needed to handle various @types of materials and perform routine tasks. Ability to effectively communicate verbally or in writing. Work requires performing tasks in an environment in which raw waste is present. All duties performed with or without reasonable accommodations.
SELECTION PROCEDURE:
Panel interview and may include exercise.
Fairfax County is home to a highly diverse population, with a significant number of residents speaking languages other than English at home (including Spanish, Asian/Pacific Islander, Indo-European, and many others (https://www.fairfaxcounty.gov/demographics/fairfax-county-general-overview) .) We encourage candidates who are bilingual in English and another language to apply for this opportunity.
Fairfax County Government prohibits discrimination on the basis of race, color, religion, national origin, sex, pregnancy, childbirth or related medical conditions, age, marital status, disability, sexual orientation, gender identity, genetics, political affiliation, or military status in the recruitment, selection, and hiring of its workforce.
Reasonable accommodations are available to persons with disabilities during application and/or interview processes per the Americans with Disabilities Act. TTY 703-222-7314. DHREmployment@fairfaxcounty.gov EEO/AA/TTY.
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