Billing & Administrative Manager (Hybrid Role)

Job description

📍 Location: St. Petersburg, FL (Hybrid – In-office 3 days per week / remote 2 days)

🕒 Employment Type: Full-Time

About MissionCare Collective

MissionCare Collective is a fast-growing, mission-driven company dedicated to transforming the culture of care. Our suite of brands—including myCNAjobs, CoachUp Care, and MissionCare—supports over 8,000 healthcare organizations in recruiting, engaging, and retaining their frontline healthcare workforce.

We are looking for a highly organized, proactive, and tech-savvy Billing & Administrative Assistant. This role is a blend of billing, AR, administration, and executive support.

In this role, your daily responsibilities will focus on ensuring accurate billing, maintaining strong collection rates, managing accounts receivable (AR), coordinating travel and meetings, and handling key administrative tasks outlined below. You will work closely with our external accounting firm and report directly to the COO, with future reporting transitioning to the CFO.

Key Responsibilities

🔹 Sales Processing, Billing, & Invoicing Management

• Processing daily transactions via credit card and invoice, ensuring financial data is collected accurately (via Stripe)


• Client collections over the phone and in written correspondence


• Deposits


• Internal and External Receipt Management


• Invoicing in Quickbooks


• Liaising with outside accountant


• Other duties as assigned

🔹Meeting & Calendar Management

• Manage and coordinate the CEO’s calendar, scheduling internal and external meetings

🔹 Travel Coordination & Logistics

• Arrange and oversee travel for all employees and new hires

🔹 Administrative Aspects of Recruitment, Onboarding, & Offboarding

• Running background checks


• New Hire HR Paperwork & Onboarding


• Background & Reference Checks


• Ensuring BambooHR stays up to date

🔹 Administrative

• Gathering company quotes


• Maintaining files


• Data entry


• Triaging all billing and admin related inquires

Who You Are / Qualifications

• We’re seeking a candidate who is excited to commit to this role for at least 3+ years. While there is potential for future growth and advancement, the ideal candidate will find fulfillment in developing within the role itself over time. Mastery of the position requires dedication and a willingness to grow steadily through hands-on experience.


• Past experience in AR/AP or processing high volume of transitions


• Past experience with a credit card processor (like Stripe) and Quickbooks a plus


• A master of organization – You thrive on keeping things structured, prioritized, and on track.

• A strong communicator – You write and speak clearly, making complex information easy to understand. You are comfortable having billing conversations with customers and managing all aspects of client billing from collections to invoicing.


• Tech-savvy – You embrace technology and it’s easy for you to learn new systems


• Detail-oriented & execution-focused – You ensure nothing falls through the cracks.


• Seeking someone that is available to work in-office at least 3 days/week. Once the role is mastered, additional remote time may become available.

Competitive salary with full benefits based on experience. You will report to the CEO. In the future, you will report to a newly appointed CFO.