Assistant Office Manager

Leader Berkon Colao & Silverstein LLP; New York (NY); Hybrid; USD 60,000 - 85,000; Full time

Job summary

Leader Berkon Colao & Silverstein LLP in New York City seeks a hands-on Assistant Office Manager to handle administration and reporting. The role reports to the Director of Administration and works with partners to support daily operations, billing, HR, and onboarding in a hybrid Midtown setting.

Ideal candidate has 2–3 years in law-firm administration, strong communication, discretion, and proficiency with QuickBooks, Timeslips, FileVine, and MS Office; must be organized, calm under pressure,

Qualifications

• Strong communication skills and high discretion are essential.
• 2–3 years of office administration or management experience in a law firm.
• Calm under pressure with excellent data-entry and organizational skills.
• Experience with legal billing software is a plus; HR or benefits exposure is helpful.

Responsibilities

• Manage monthly billing, post client expenses in Timeslips/QuickBooks, and prepare LEDES1998 invoices.
• Oversee accounts payable/receivable and client trust funds, including deposits and banking.
• Coordinate with vendors on invoices and track account statuses.
• Process employee expense reimbursements and support onboarding/training.
• Assist HR and benefits administration coordination.
• Maintain file and document management using FileVine.

Skills

Discretion

Communication

Data entry

Organization

Independence

Multi-project management

Excel

QuickBooks

Outlook

Word

HR coordination

Tools

QuickBooks

Microsoft Outlook

Microsoft Word

Microsoft Excel

FileVine

Job description

Mid-size, NYC business law firm looking for a hands‑on Assistant Office Manager who can perform administration.This is a growth opportunity for the right person. Candidate will report directly to the Director of Administration, while also working with the managing partners to provide reporting as needed.

Candidate should have strong communication skills, at least 2-3 years of office administration or management experience in a law firm, and be able to take initiative and follow direction.Ideal candidate will be calm under pressure.Must be detail oriented, confident and respectful in working with peers, associates, and partners.Hybrid work environment in mid‑town near GC.Expected in‑office 3 days a week.

Responsibilities will include, but not limited to:

• Be responsible for monthly billing which would include posting client expenses in Timeslips and QuickBooks, and preparing client bills that are submitted using LEDES1998
• Handle accounts payable, accounts receivable and collections, which would include bank deposits, general banking functions, and client trust funds
• Communicate clearly with vendors regarding invoices and be knowledgeable regarding account status
• Process expense reimbursements
• Support the onboarding, training and development of new employees
• Assist with coordination of human resources and benefits administration
• File and document management using FileVine

Ideal candidates will possess:

• Ability to handle confidential information with a high level of discretion
• Excellent written and oral communication skills, accurate data‑entry skills required
• Must be highly organized, detail oriented, able to work independently, able to handle multiple projects at once and have a strong work ethic.
• Expertise in QuickBooks, Microsoft Outlook, Word and Excel is required.
• Experience with legal billing software is desired.
• Experience in Benefits or HR a plus
• 5-8 years of professional services firm experience
• Well‑developed and professional interpersonal skills with a positive attitude.