Weekend Administration Jobs in Berkeley, CA (NOW HIRING)

Scion Staffing has been engaged to conduct a search for an experienced Administration Manager for an established professional services organization. This is a highly visible, hands‑on leadership role overseeing the organization’s financial operations, human resources, benefits administration, client billing, and day‑to‑day office operations . This position offers a salary of $135,000 annually.

The Administration Manager will serve as a key operational and financial resource to organizational leadership, ensuring smooth and efficient business operations across multiple functions. This individual will oversee AP/AR, banking and financial transactions, payroll, client billing, employee relations, benefits and retirement plan administration, insurance, and facilities management. The ideal candidate is a highly organized and experienced professional who is comfortable balancing hands‑on financial responsibilities with people management and office administration in a fast‑paced professional environment.

• Oversee Accounts Payable and Accounts Receivable functions
• Manage banking activities, including trust accounting, credit cards, ACH transactions, wires, transfers, and cash‑flow monitoring
• Prepare payroll and process payroll through Paychex
• Prepare budgets and financial reports and partner with the organization’s CPA on annual taxes and 1099s
• Oversee timekeeping and monthly client billing processes
• Review and finalize invoices, prepare supporting cost documentation, and complete client account reconciliations
• Monitor past‑due accounts, payments received, and weekly aging reports
• Partner closely with organizational leadership and supervise unionized non‑attorney personnel
• Manage employee relations, staff workflow, recruiting and interviewing for support positions, performance evaluations, and implementation of office policies and procedures
• Coordinate employee health, dental, vision, and long‑term disability benefits
• Track PTO and prepare semi‑monthly and monthly reporting
• Oversee administration of 401(k) Profit Sharing Plans, partnering directly with the TPA and preparing necessary annual reporting
• Process employee retirement contributions to investment companies
• Prepare annual applications for professional liability, general liability, cyber, and workers’ compensation insurance
• Oversee facilities operations, building services, equipment agreements, and office supply purchasing

• Proven experience in office management, finance/accounting, business administration, or a related operational leadership role
• Strong hands‑on experience with AP, AR, banking transactions, reconciliations, payroll, billing, and financial reporting
• Experience supervising employees and managing employee relations and workflow
• Experience with benefits and retirement plan administration
• Strong organizational skills with the ability to independently manage multiple business functions and competing priorities
• Excellent communication skills and the ability to work effectively with senior leadership, employees, clients, vendors, and outside professional partners
• Proficiency with Microsoft Office Suite, QuickBooks Pro, Paychex, and timekeeping/time management systems such as TimeSlips

This position offers an annual salary of $135,000 plus a comprehensive benefits package.

Scion Nonprofit, a division of Scion Staffing, Inc. is an equal opportunity employer and service provider and does not discriminate on the basis of race, religion, gender, gender identity, national origin, citizenship status, sexual orientation, disability, political affiliation or belief, or any other protected class.

We are committed to the principles of Equal Opportunity Employment and are dedicated to making employment decisions based on merit and value, for ourselves, our client companies, and for the candidates we represent.

For opportunities located in a region that have enacted fair chance, arrest or conviction‑based employment ordinances, Scion Nonprofit proactively follows the enacted guidance and considers for employment all qualified applications with arrest and conviction records. We believe in following best practices and considering all qualified applicants that apply with us and value, for ourselves, our client companies, and for the candidates we represent.