Demo

Office Admin Assistant/Billing

Mvix
Sterling, VA Full Time
POSTED ON 1/6/2026
AVAILABLE BEFORE 3/5/2026

Mvix, a leading digital signage provider in the Dulles Technology Corridor is offering an outstanding opportunity for an office admin assistant/billing. Join a growing team that has shaped on-site digital experiences for clients such as NASA, Virginia Tech, Kings Dominion, Crowne Plaza, and a variety of International deployments for various Fortune 500 Companies.

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Essential Duties and Responsibilities:

The goal of the qualified Office Admin Assistant is to perform various duties including but not limited to:

  • Respond to client inquiries (sales and  billing)
  • Interact with customers via webinar, phone and email
  • Assist with inbound and outbound calls
  • Be a key point of contact for subscription renewals
  • Monitor and track daily, weekly and monthly billing
  • Fully understand clients digital journeys, boost conversion, retention and customer delight
  • Fully understand and own Mvix billing system:
    • Prepare and send invoices to clients
    • Identify and improve billing gaps
    • Identify and improve churn
  • Create estimates / proposals for existing clients who are looking for additional products from us
  • Create estimates / proposals for existing clients who are looking to renew their subscriptions or add new ones
  • Followup with clients on the status of those proposals
  • Assist the sales team, as needed
  • Create Orders, Invoices and ensure timely payment from clients
  • Generate and maintain reports and analytics


What does it take to be an OAA at Mvix?

  • Minimum 2  years of customer-facing experience; preferably in a B2B SaaS environment.
  • Proven accounting experience with strong mathematical skills is a PLUS
  • Strong customer service and time management skills
  • Understanding of basic principles of finance,  accounting and inside sales
  • Superb time management and detail orientation
  • Client Interaction
  • Software Guidance: Quick Ability to learn our SaaS software and assist users with simple product-usage type questions. 
  • Support Packages: Learn and  educate clients about the features included in our various support packages and guide them in selecting the most suitable option for their requirements. 
  • Team player mentality
  • Competitive Spirit
  • Ability to work in a fast-paced, high-energy environment

Preferred skills and qualifications

  • Associate’s degree or equivalent
  • Experience in accounts receivable (or accounts payable)
  • Experience in driving process improvement

Schedule

  • Mon-Fri, 8 hour working shift with 1hr “off-the-clock” lunch break  
  • Staggered Shifts are available upon request

This Role is in-office and reports to our HQ in Sterling, VA.  Remote options are available outside of the DMV region.


Benefits include:

  • generous PTO, sick leave and holidays
  • health and dental insurance
  • ongoing certification opportunities
  • competitive 401k match
  • flexible hours (no weekend/overnight shifts)
  • gym membership reimbursement
  • company-funded professional development
  • life insurance
  • short-term disability insurance
  • tenure bonus (5yr & 10yr)
  • And much more……………

Did we mention a pet friendly environment? 

We also get together for catered lunches, team-building events, town-hall meetings, spontaneous brainstorming sessions, birthdays, anniversaries & other milestone celebrations and happy hours.

Salary.com Estimation for Office Admin Assistant/Billing in Sterling, VA
$57,846 to $77,152
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