Transactional Legal Assistant — Billing & Docs Pro

Addison Group; Clayton (MO); On-site; USD 70,000 - 80,000; Full time

Benefits offered by this job

Paid overtime

Health and wellness benefits

20 paid days off

11 paid firm holidays

Paid parental leave

Backup childcare assistance

Fertility and family-forming benefits

401(k) and profit-sharing

Commuter benefits

Student loan refinancing

Modern St. Louis office

Collaborative culture

Job summary

Addison Group is seeking an experienced Legal Assistant for our St. Louis office to provide high-level administrative support to a busy transactional practice.

The role requires polished, highly organized professionals who can manage competing priorities with minimal oversight in a demanding environment. The ideal candidate will have at least five years of law-firm administrative experience, strong document handling and billing skills, and proficiency with MS Office and legal tech tools.

Qualifications

• Minimum 5 years of administrative experience in law firms or corporate legal departments.
• Prior legal billing experience is required.
• Experience managing physical and electronic files.
• Ability to prepare and proofread legal documents.
• High school diploma; associate/bachelor preferred.
• Strong MS Office proficiency (Outlook, Word, Excel, PowerPoint).
• Familiarity with legal technology (iManage/Intapp/Aderant) preferred.
• Able to work in high-volume environment with attention to detail.

Responsibilities

• Prepare, format, and proofread legal documents and correspondence.
• Maintain organized matter files and easy document access.
• Coordinate document activity via client portals and internal databases.
• Monitor dates and matter progress; update attorneys.
• Assist with time entry, billing, and expense reports.
• Manage complex calendars and travel arrangements.
• Support proposals, presentations, and client communications.
• Train junior staff and provide overflow support.

Skills

Administrative experience

Billing experience

Microsoft Office

Document management

Communication skills

Education

High school diploma

Associate or bachelor’s degree preferred

Tools

Adobe Acrobat

iManage

Intapp

Aderant

Job description

Addison Group is seeking an experienced Legal Assistant for our St. Louis office to provide high-level administrative support to a busy transactional practice.

The role requires polished, highly organized professionals who can manage competing priorities with minimal oversight in a demanding environment. The ideal candidate will have at least five years of law-firm administrative experience, strong document handling and billing skills, and proficiency with MS Office and legal tech tools.