Finance & Admin Specialist

Finance & Administrative Specialist

Company Overview

At Marriner Marketing, we are an award-winning Marketing & Communications agency transforming brands across foodservice, retail food and beverage, tourism, and hospitality. Headquartered in Columbia, MD, Marriner Marketing continues to expand its footprint as a leader in food, beverage, and hospitality marketing, driving growth and innovation for top brands. We believe great work comes from diverse perspectives united by curiosity, generosity of spirit, and accountability.

Position Summary

The Finance & Administrative Specialist supports the day-to-day financial operations of the agency while contributing to overall office efficiency and organization. This role plays a critical part in maintaining accurate financial records, supporting project-based accounting workflows, and ensuring alignment between purchasing, vendor costs, and client billing.

This position is primarily focused on finance and accounting responsibilities (approximately 80%), with additional support provided to administrative and office management & operations.

 Reporting Relationship

This role is a key member of the Finance & Administration team and reports directly to the Controller/Director of HR.

 Responsibilities include:

Accounting Operations & Financial Accuracy

• Process and code vendor invoices, ensuring accurate general ledger and job cost allocation

• Support accounts payable and accounts receivable processes, including invoice tracking, payment application, and collections monitoring

• Assist with client invoicing aligned to project timelines, budgets, and billing schedules

• Maintain accuracy of financial data including coding, dates, and expense timing

• Post cash receipts and support client payment tracking

• Monitor and manage shared accounting inbox to ensure timely processing and communication

Project Accounting, Purchasing & Billing

• Support project-based accounting workflows, including job costing and cost tracking

• Ensure alignment between purchase orders, vendor invoices, and client billing

• Assist in managing the purchasing-to-billing lifecycle across projects

• Run and review vendor and media tracking reports to ensure timely invoice follow-up and cost recognition

·      Media billing knowledge a PLUS

Reporting & Month-End Close Support

• Pull and distribute standard financial reports including Accounts Receivable Aging, Accounts Payable Aging, and Cash Receipts

• Support month-end close activities, including reconciliations and reporting preparation

• Maintain organized financial records within the accounting/project management system (Workamajig or similar)

• Utilize Microsoft Excel, including pivot tables, to analyze financial data and support reporting

• Assist with audit preparation and documentation requests

Administrative & Office Operations Support

• Support daily office operations including supply inventory and vendor coordination

• Coordinate employee and client luncheons, catering, and small internal events

• Assist with onboarding coordination and administrative recordkeeping

• Maintain a clean, organized, and professional office environment

• Greet visitors and clients as needed and maintain a professional front-office presence

• Assist with facility coordination and vendor scheduling

Required Knowledge/Skills/Experience

• 3–5 years of accounting or finance experience

• Bachelor’s degree in Accounting, Finance, or related field preferred

• Experience with project-based accounting and job costing required

• Strong understanding of purchasing workflows and client billing processes

• Proficiency in Microsoft Excel required, including pivot tables and data analysis

• Proficiency in SharePoint and Google Sheets required

• Experience with accounting or project-based systems (Workamajig or similar) preferred

• Experience in a marketing, advertising, or professional services environment strongly preferred

• Strong attention to detail and organizational skills

• Ability to manage multiple priorities and meet deadlines

• Strong communication and interpersonal skills

• Professional demeanor appropriate for a client-facing office environment

Compensation

• Salary range: $60,000 – $70,000 commensurate with experience