Part-Time Bookkeeper & Finance Administrator

Location: Hybrid – Albuquerque, NM (Required: Minimum one day per week in-office) Employment Type: Part-Time Employee or Independent Contractor Hours: 10–20 hours per week Experience Required: Minimum 5 years of professional bookkeeping experience About Us Siarza is a growing marketing and advertising agency seeking an experienced, detail-oriented Bookkeeper & Finance Administrator to oversee the day-to-day financial operations of our business. This role is ideal for someone who enjoys working independently, has strong organizational skills, and is comfortable managing bookkeeping, payroll, invoicing, financial reporting, and administrative finance functions in a fast-paced agency environment. This is a hybrid position requiring at least one day per week in our Albuquerque office, with the remaining hours worked remotely. We are open to hiring either a part-time employee or an independent contractor, depending on experience and fit. Position Summary The Bookkeeper & Finance Administrator serves as the primary financial and administrative support for the agency. This position is responsible for maintaining accurate financial records, managing accounts payable and receivable, processing payroll, supporting compliance reporting, and providing operational reporting to leadership. The ideal candidate is highly organized, proactive, dependable, and experienced working with multiple financial systems while maintaining confidentiality and accuracy. Key Responsibilities Bookkeeping & Financial Management Maintain accurate financial records in QuickBooks Online. Categorize and reconcile financial transactions. Monitor company cash balances and bank and credit card accounts. Assist with cash flow management to ensure payroll and vendor obligations are met. Prepare monthly financial reports and profitability analyses. Review billable hours and expenses to ensure accurate client billing. Accounts Receivable & Client Invoicing Prepare and issue client invoices for hourly, project-based, and retainer work. Manage recurring billing and verify invoice delivery. Monitor outstanding receivables and follow up on past-due accounts. Respond to client billing questions and payment inquiries. Accounts Payable & Vendor Management Process vendor invoices and payments. Communicate with vendors regarding payment schedules and account status. Resolve billing discrepancies and payment issues. Payroll & Benefits Administration Process weekly payroll accurately and on time. Maintain employee payroll records, salary changes, new hires, and separations. Manage payroll deductions and employee benefit updates. Track and maintain sick leave accruals and other required leave balances. Coordinate retirement plan contributions and maintain related records. Compliance & Financial Reporting Prepare and file monthly New Mexico Gross Receipts Tax (GRT) reports. Assist with or coordinate Workers' Compensation reporting and other required state and federal financial filings, as applicable. Maintain compliance with applicable payroll and financial reporting requirements. Assist with annual business license renewals and other regulatory filings. Reporting & Business Operations Generate monthly reports on billable and non-billable hours. Prepare staffing utilization and operational metrics reports. Maintain internal financial dashboards and scorecards. Provide financial reports and operational support to leadership. Administrative Support Respond to financial inquiries from employees, vendors, and clients. Process incoming mail and bank deposits. Attend recurring team meetings as needed. Prepare ad hoc financial reports and spreadsheets. Support day-to-day administrative and operational needs related to finance. Qualifications Minimum of 5 years of professional bookkeeping experience. Strong proficiency with QuickBooks Online. Experience processing payroll and managing payroll records. Knowledge of accounts payable, accounts receivable, reconciliations, and financial reporting. Experience with payroll taxes and state reporting requirements. Advanced proficiency with Microsoft Excel and Google Sheets. Excellent organizational skills and exceptional attention to detail. Strong written and verbal communication skills. Ability to manage multiple priorities independently while meeting deadlines. Experience working with a professional services firm, marketing agency, advertising agency, or nonprofit organization is preferred. Familiarity with Harvest time tracking software is a plus. Preferred Qualifications Experience with New Mexico Gross Receipts Tax reporting. Experience administering retirement plans, such as SIMPLE IRA. Experience managing bookkeeping for multiple entities or organizations. Familiarity with operational reporting and agency financial metrics. Ability to identify process improvements and streamline financial workflows. What We're Looking For We're seeking someone who is dependable, proactive, and takes ownership of their work. The ideal candidate enjoys creating order, maintaining accurate financial records, and supporting a collaborative team through strong financial and administrative management. This is an excellent opportunity for an experienced bookkeeper looking for a flexible, part-time role with meaningful responsibility in a growing marketing and advertising agency. Why Join Siarza? Flexible hybrid work schedule Opportunity to make a meaningful impact within a growing agency Collaborative, mission-driven team environment Variety of responsibilities that keep each day engaging Opportunity to help improve financial systems and processes as the company continues to grow Hiring Process Selected candidates will participate in a hiring process that may include: Initial interview Finance skills assessment Professional reference checks Background check