Bookkeeper/Office Administrator

MCG, Inc.; New York (NY); On-site; USD 55,000 - 60,000; Full time

Job summary

MCG, Inc. is a Midtown Manhattan-based MSP with 35+ years of experience, offering a stable, client-focused environment.

We seek a reliable Bookkeeper / Office Administrator to handle day-to-day bookkeeping and office operations, collaborating closely with the CEO and leadership team. In this role you will manage AR/AP, invoicing, vendor payments, and onboarding of new hires while ensuring a warm, professional welcome for clients and visitors.

Qualifications

• 2+ years of bookkeeping, accounting, or office administration experience.
• Proficiency in QuickBooks Online (QBO) for AR/AP, reconciliations, and reporting.
• Strong Microsoft 365 knowledge (Outlook, Word, Excel, Teams).
• Excellent verbal and written communication with a professional phone presence.
• Highly organized and able to manage competing priorities in a fast-paced environment.
• Ability to work independently and in a team.

Responsibilities

• Manage partial-cycle bookkeeping including AR, AP, reconciliations, and month-end close.
• Verify and reconcile subscription information for invoicing; enter invoices into PSA and QBO.
• Monitor past-due invoices and follow up for payments.
• Enter, process, and reconcile vendor bills in QBO.
• Administer the ConnectBooster payment portal and reconcile credit cards monthly.
• Maintain month-end prepaids and fixed asset schedules.
• Provide office administration, reception, and vendor coordination as needed.
• Support CEO and leadership with ad hoc administrative tasks and budgeting.

Skills

Bookkeeping

QBO (QuickBooks Online)

AR & AP

MS 365

Communication

Organization

Education

High School Diploma or equivalent

Associate/Bachelor in Accounting or related field (preferred)

Tools

Autotask PSA

ConnectBooster

DocuWare

Job description

MCG, Inc. is a full-service Managed IT Services Provider (MSP) headquartered in Midtown Manhattan. With

over 35 years of experience, we deliver a broad range of technology solutions - including network installationand support, application development, distribution software, and strategic IT consulting. We are a fast-growing, award-winning firm and pride ourselves on a collaborative, client-first culture.

Position Overview

We are looking for a reliable, detail-oriented Bookkeeper / Office Administrator to serve as the financial andoperational backbone of our office. In this dual-role position, you will manage day-to-day bookkeepingfunctions while ensuring our office runs smoothly and our clients and visitors experience a warm, professionalfirst impression. You will work closely with the CEO and leadership team, making this a highly visible andimpactful role.

Key Responsibilities

• Manage partial-cycle bookkeeping, including accounts receivable (AR), accounts payable (AP), bankand credit card reconciliations, and the month-end close process.
• Verify and reconcile subscription information for monthly client invoicing; enter invoices, payments, and subscription updates into our PSA and QuickBooks Online (QBO).
• Monitor past-due invoices and follow up with clients for payment processing approvals.
• Enter, process, and reconcile vendor bills and statements; flag discrepancies and process paymentsin QBO.
• Administer the ConnectBooster payment portal and reconcile credit card accounts monthly.
• Manage month-end prepaids and fixed asset schedules.
• Maintain organized digital records of invoices, bills, receipts, and financial reports using our
• Run weekly and monthly Autotask billing and financial reports for leadership review.
• Bill equipment and software charges to clients accurately and on time.

Office Administration & Reception

• Serve as the first point of contact for all incoming calls and visitors—answering phones, taking messages, and greeting guests with professionalism and warmth.
• Receive, sort, and send mail and custom packages; manage courier and shipping logistics.
• Order and maintain office and kitchen supplies; liaise with vendors and service providers (including the office housekeeper) to keep the workspace organized and well-stocked.
• Develop and maintain strong vendor relationships; coordinate with ISPs, voice service providers, and third-party partners as directed by the CEO.

Executive & Team Support

• Provide direct administrative support to the CEO and President, including scheduling, calendar management, and travel arrangements for management and technical staff.
• Assist with onboarding of new hires and coordinate administrative aspects of the process.
• Keep our CRM and ticketing system (Autotask) up to date with accurate client contact information, assets, and notes.
• Support the Help Desk Coordinator with client communication and ticket management as needed.
• Assist with special projects for the CEO, including client budgets, reporting, and vendor negotiations.
• Handle general administrative tasks—preparing letters, simple reports, and organizing files.

Salary Range for this role is between $55,000 - $60,000 annually.

Qualifications & Skills

Required

• 2+ years of bookkeeping, accounting, or office administration experience.
• Proficiency in QuickBooks Online (QBO) for AR, AP, reconciliations, and reporting.
• Strong working knowledge of Microsoft 365 (Outlook, Word, Excel, Teams).
• Excellent verbal and written communication skills with a professional, friendly phone presence.
• Highly organized, detail-oriented, and able to manage competing priorities in a fast-paced
• Demonstrated ability to work independently and as a collaborative team member.
• High School diploma or equivalent required; Associate’s or Bachelor’s degree in Accounting, Business, or related field preferred.

Preferred

• Experience in an MSP, IT services, or technology company environment.
• Familiarity with Autotask PSA or similar ticketing/PSA platforms.
• Experience with ConnectBooster, DocuWare, or similar business tools.

Why Join MCG?

• Be part of a well-established, award-winning MSP with a 35+ year track record of excellence.
• A close-knit, collaborative team environment in a prime Midtown Manhattan location.
• Meaningful, varied work where your contributions are noticed and valued.
• Opportunities for growth as the company continues to expand.

MCG, Inc. is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, sex,national origin, disability, or veteran status.