
Administrative Assistant III
- Agency
- ACS Professional Staffing
- Location
- Richland, WA
- Job type
- Contract
- Pay
- $20.17/Per Hour
- Profession
- Administrative Assistant
- Industry
- Office & Admin
- Posted
- Nov 2, 2026
Pay breakdown
- Hourly
- $20.17
- Weekly
- $807
- Yearly (full-time)
- $41,954
This job pays about $20.17/hour — 27% below the median for Administrative Assistant jobs in Washington ($27.56/hour).
Estimated from the hourly rate in the listing, 40 hours a week; yearly = 52 weeks. Median wage: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025.
Job description
Overview:
ACS Professional Staffing is looking for an employee to work on-site with our client. This Administrative Assistant III will provide advanced administrative support to management and staff, coordinating schedules, travel, records, reports, onboarding, and office operations. The ideal candidate will have strong organizational, communication, and time-management skills, proficiency in Microsoft Office, and the ability to manage confidential information and competing priorities with minimal supervision. This full-time position is located in Richland, WA.
Pay rate: $20.17 - $ 29.65
Benefits:
Because we are a federal government contractor, we have special restrictions placed on us for hiring foreign nationals into certain key positions within the company. This particular position requires U.S. citizenship.
ACS Professional Staffing will provide equal employment opportunities to all applicants without regard to the applicant’s race, color, religion, sex, gender, genetic information, national origin, age, veteran status, disability status, or any other status protected by federal or state law. The company will provide reasonable accommodations to allow an applicant to participate in the hiring process if so requested.
If you have any questions about the job posting, please contact recruiting@acsprostaffing.com
If you have any questions about our Reasonable Accommodation Policy, please feel free to email hr@acsprostaffing.com
ACS Professional Staffing is looking for an employee to work on-site with our client. This Administrative Assistant III will provide advanced administrative support to management and staff, coordinating schedules, travel, records, reports, onboarding, and office operations. The ideal candidate will have strong organizational, communication, and time-management skills, proficiency in Microsoft Office, and the ability to manage confidential information and competing priorities with minimal supervision. This full-time position is located in Richland, WA.
Pay rate: $20.17 - $ 29.65
Benefits:
- Sick Leave: One hour of paid sick leave for every 40-hours worked (sick leave can be used after 90-days of employment)
- EAP: Employee Assistance Program
- Benefit Options: Medical, Dental, Vision, HSA, Group Life/AD&D, Voluntary Life/AD&D, Voluntary Short-Term Disability, Voluntary Long-Term Disability, Voluntary Critical Illness, Voluntary Accident, Hospital Indemnity, 401k (eligible after one year and 1,000 hours worked - employer match up to 4%)
- Other benefits include the following: Calm App, LifeBalance Discount Program
- Provide advanced administrative support to department management and staff with minimal supervision.
- Prepare reports, correspondence, presentations, and other documents, including materials of a sensitive or confidential nature.
- Maintain department records and documentation in accordance with recordkeeping requirements.
- Coordinate calendars, meetings, appointments, travel arrangements, and expense documentation.
- Support employee onboarding by coordinating supplies, equipment, office orientation, and required personnel documentation.
- Monitor employee qualifications, training registrations, performance appraisal schedules, and related records.
- Serve as a primary point of contact for telephone and in-person inquiries, directing requests to the appropriate staff.
- Manage daily department mail and communications, identifying and escalating sensitive or time-critical items as appropriate.
- Maintain office supply inventory and coordinate department facility, furniture, equipment, and work order needs.
- Generate, track, and maintain action requests and reports, ensuring assigned actions are followed through to closure.
- Design, organize, and maintain department SharePoint content.
- Initiate contract requisitions and changes and assist with annual contract funding activities.
- Serve as department credit card custodian and complete monthly billing reconciliations.
- Perform general office management, filing, scheduling, word processing, recordkeeping, and other administrative functions.
- Handle additional administrative projects and duties as assigned.
- High school diploma or GED required.
- Minimum of 5 years of progressive administrative experience, including leadership responsibilities and independent decision-making.
- Demonstrated professional development through relevant courses, training, or other career-growth activities.
- Proficiency with Microsoft Word, Excel, PowerPoint, Outlook, and Access.
- Experience preparing professional documents, reports, correspondence, and presentations.
- Strong administrative, organizational, planning, and time-management skills.
- Ability to manage complex projects, competing priorities, and tight deadlines with minimal supervision.
- Strong attention to detail and ability to maintain accurate records and documentation.
- Ability to handle sensitive and confidential information professionally and discreetly.
- Strong written and verbal communication skills, including proper grammar, spelling, punctuation, and professional business etiquette.
- Strong problem-solving, judgment, and independent decision-making skills.
- Ability to take initiative and work independently while contributing effectively as part of a team.
- Strong interpersonal skills with the ability to communicate effectively with employees, management, and senior leadership.
- Proficiency with standard office equipment and general-to-advanced office management practices.
Because we are a federal government contractor, we have special restrictions placed on us for hiring foreign nationals into certain key positions within the company. This particular position requires U.S. citizenship.
ACS Professional Staffing will provide equal employment opportunities to all applicants without regard to the applicant’s race, color, religion, sex, gender, genetic information, national origin, age, veteran status, disability status, or any other status protected by federal or state law. The company will provide reasonable accommodations to allow an applicant to participate in the hiring process if so requested.
If you have any questions about the job posting, please contact recruiting@acsprostaffing.com
If you have any questions about our Reasonable Accommodation Policy, please feel free to email hr@acsprostaffing.com
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