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Part-Time Office Assistant

Atrium

  • Lakeland, FL
  • Today
  • $18–$21 Per Hour

Highlights

You will serve as the primary onsite administrative support, ensuring smooth daily office operations, maintaining membership records, handling light facility coordination, and managing basic routine bookkeeping tasks in QuickBooks. Responsibilities of the Part-Time Office Assistant: Office & Member Support: Answer phone calls, route messages, and respond to routine member emails or direct inquiries to leadership.
Atrium

Numbers & Facts

LocationLakeland, FL
IndustryStaffing/Employment Agencies
Salary$18–$21 Per Hour
Company Size250 to 500 employees
Year Founded1995
Websitehttps://www.atriumglobal.com

Description

Client Overview:
Our client is a well-established non-profit statewide organization dedicated to community service, volunteerism, and member engagement across Florida. They are looking to add a Part-Time Office Assistant to their team.

Salary/Hourly Rate:
$18/hr - $21/hr

Position Overview:
Our client is seeking a reliable, detail-oriented Part-Time Office Assistant for a 90-day temporary assignment with the potential for extension or direct-hire conversion. Working out of the organization's Lakeland office, this role is approximately 10 hours per week (Tuesdays and Thursdays). You will serve as the primary onsite administrative support, ensuring smooth daily office operations, maintaining membership records, handling light facility coordination, and managing basic routine bookkeeping tasks in QuickBooks.

Responsibilities of the Part-Time Office Assistant:
  • Office & Member Support:
    • Answer phone calls, route messages, and respond to routine member emails or direct inquiries to leadership.
    • Open, sort, and date-stamp incoming mail; prepare outgoing mail.
    • Maintain organized physical and electronic filing systems, protecting confidential information.
    • Provide a professional and welcoming point of contact for members and visitors.
  • Membership Records & Dues:
    • Maintain and update membership rosters and records within internal systems.
    • Accurately track dues payments and update changes; refer exceptions to leadership.
  • Bookkeeping & Mail Processing:
    • Receive checks, maintain basic receipt logs, track payments in Excel, and prepare bank deposits per written procedures.
    • Perform bank deposits as authorized and retain deposit confirmations and backup documentation.
    • Enter approved transactions, receipts, and invoices into QuickBooks; organize financial records for leadership and accounting review.
    • Coordinate with the organization's Treasurer and outside CPA firm to supply documentation and clear up entry questions.
    • Note: Position has no check-signing or disbursement authority.
  • Facility & Vendor Support:
    • Perform light office upkeep (dusting, routine restroom tidying) and report supply needs.
    • Greet and escort contracted service vendors for site visits; log vendor activity without approving scope or costs.
Required Experience/Skills for the Part-Time Office Assistant:
  • Prior experience in office administration, clerical, or receptionist roles.
  • Hands-on proficiency with QuickBooks, Microsoft Excel, email platforms, Google Drive, and standard office hardware.
  • Proven accuracy in data entry, organizational habits, and strong attention to detail.
  • Professional communication skills (both written and verbal) and total discretion regarding confidential member and financial data.
  • Ability to follow written procedures and work independently in a single-person office setting with remote oversight.
Preferred Experience/Skills for the Part-Time Office Assistant:
  • Previous experience working within a non-profit or membership-based organization.
Education Requirements:
  • High school diploma or GED is required.
Benefits:
  • Atrium Care Package available, upon eligibility (including healthcare plans, discount programs, and paid time off).
Job Wrapping ID: #LI-AJ3

About Atrium:What you do matters. Guided by our Applicant-Centric™ approach, we foster an environment of collaboration, high performance, and innovation where your talents are valued, and your achievements are celebrated. Join us and become part of an inclusive team committed to your growth and success. By applying to this job, you agree to receive calls, AI-generated calls, text messages, and/or emails from Atrium and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to opt out on any message you receive. For more details, please review our Terms of Use and Privacy Policy . As a woman-owned firm, we value diversity. We are an equal opportunity and affirmative action employer and will consider all applications without regard to race, sex (including gender, pregnancy, sexual orientation and gender identity), age, color, religion or creed, national origin or ancestry, veteran status, disability (physical or mental), genetic information, citizenship or any other characteristic protected by law. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Candidates who apply for roles through the Atrium website will be added to our candidate pool and may be considered for additional roles of a similar title. Please contact us to request an accommodation.
EOE/M/F/D/V/SO

Position ID: 410981

About Company

Founded in 1995, Atrium is a WBENC‑certified leader in Extended Workforce Management and Talent Solutions that partners with the world's largest brands to reimagine how work gets done. By blending technology with human expertise, Atrium delivers high‑impact talent and supports dynamic contingent workforce programs at scale.

Atrium services span four core divisions. Talent Solutions redefines staffing by rapidly connecting clients with exceptional talent. AtriumWORKS™ serves as the execution engine, designing and operating complex workforce programs, including Managed Service Provider solutions, Employer of Record and Agent of Record Payrolling, Direct Sourcing, Early Talent Administration, Independent Contractor (IC) Compliance, Statement of Work management, and Recruitment Process Outsourcing. HR Advisory Services delivers agile, customizable enterprise, project‑based, and hourly people operations consulting. Atrium Innovation Research™ (AIR), an internal technology product incubator, transforms workforce challenges into scalable, market‑ready solutions.

Learn more at www.atriumglobal.com.

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