Office Administrator- Client & Billing Support (Doylestown, PA)

Core Financial Outsourcing • Doylestown, PA

2d • Onsite

About The Position

Core Financial Outsourcing is seeking a highly adaptable and detail-oriented Office Administrator - Client, Billing & Operations Support to join their fast-paced, client-driven team in Doylestown, PA. This full-time, direct hire position involves a mix of structured responsibilities and shifting priorities based on daily operational and client needs. The role is central to keeping operations running smoothly, supporting client communication, billing processes, onboarding, and general office operations. The successful candidate will work closely with both clients and internal team members to ensure communication, billing, and administrative processes are handled accurately and efficiently, managing multiple responsibilities and staying organized.

Requirements

• 2-5+ years of administrative, office support, or client service experience
• Strong communication skills (written and verbal)
• High attention to detail and accuracy
• Ability to manage multiple priorities and stay organized in a fast-paced environment
• Comfortable working in a client-facing role

Nice To Haves

• Experience with billing, invoicing, or basic accounting support
• QuickBooks experience (Desktop or Online)
• Experience in professional services (accounting, legal, consulting, construction, etc.)

Responsibilities

• Assist with onboarding new clients, including gathering documentation and setting up files
• Serve as a responsive point of contact for client questions and requests
• Maintain accurate and organized client records
• Assist with invoice preparation, tracking, and follow-up on outstanding items
• Support billing accuracy through documentation review and basic reconciliation tasks
• Collaborate with internal team members to ensure timely processing of client billing needs
• Manage incoming and outgoing mail, filing, and document organization (digital and physical)
• Support office supply ordering and general administrative needs
• Assist with onboarding paperwork for new employees
• Help coordinate internal meetings and general office operations as needed

Benefits

• Medical, dental, and vision insurance
• 401(k) with employer match
• Paid holidays
• Paid time off (PTO)

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 1-10 employees