Assistant Office Manager (Law Firm Experience)
$90kSourcePro Search, LLC
Assistant Office Manager
Location: Midtown NYC (Hybrid 3 Days In-Office) Salary: Up to $90,000 Industry: Law Firm
SourcePro Search is partnering with a respected and energetic mid-size law firm in Midtown Manhattan to find a sharp, detail-oriented Assistant Office Manager. This is an excellent opportunity for someone with a strong foundation in law firm billing, AP/AR, and office operations who's ready to step into a key leadership support role.
The right candidate is organized, proactive, flexible, and capable of juggling priorities while keeping a calm, professional demeanor. This role offers a collaborative hybrid schedule and an opportunity to truly grow with a firm that values both structure and innovation.
What You'll Do:
- Support the Office Manager and Managing Partners with high-level administrative and operational tasks
- Handle monthly billing, including posting client expenses in Timeslips and QuickBooks, and preparing LEDES1998-compliant client bills
- Manage accounts payable, receivable, collections, deposits, and trust fund accounts
- Communicate directly with vendors and monitor invoice status and resolution
- Oversee expense reimbursements and assist with payroll coordination
- Help coordinate HR and benefits administration, and support onboarding and training of new hires
- Maintain proper file management systems using FileVine and assist with general office support
- Generate regular administrative reporting for firm leadership
What You'll Bring:
- 35 years of law firm or professional services office administration experience
- Prior hands-on experience with billing, AP, AR, and collections
- Tech-savvy with strong proficiency in QuickBooks, Timeslips, Outlook, Word, and Excel
- Ability to juggle multiple responsibilities, work independently, and remain composed under pressure
- Excellent written and verbal communication skills
- A team-oriented mindset with a respectful and professional approach when working with all levels of staff and leadership
- Discretion and trustworthiness in handling confidential data
- Experience with FileVine, HR, or benefits is a plus
If you're seeking a growth-oriented support role in a fast-paced, highly collaborative legal environment, this opportunity could be the perfect fit.
Apply today through SourcePro Search to be considered for this exciting role!
SourcePro Search, LLCVacancy posted 10 hours ago
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