Seasonal Administrative Assistant – Tax & Office Support (On‑Site)

Bonadio Group; Wilmington (DE); Hybrid; USD 31,000 - 32,000; Full time

Job summary

The Bonadio Group seeks a Seasonal Administrative Assistant to support the Small Business Advisory Service Line in Wilmington, Delaware from January 2027 through April 2027. This is an on-site, seasonal role requiring strong organizational skills.

Duties include processing tax returns and notices, document preparation, filing, calendar management, and coordinating communications. Candidates should have a high school diploma and at least two years of relevant experience.

Qualifications

• High School Diploma or GED required.
• Minimum of two years of relevant experience.
• Knowledge of typical office methods and procedures, filing, telephone techniques, and office equipment, as well as business English usage, spelling, grammar, and punctuation.

Responsibilities

• Assist with the processing of tax returns, extensions, estimates, notices, etc.
• Assist in the preparation, proofreading, editing, and processing of documents including, but not limited to, correspondence, financial statements, client‑related correspondence, etc., to produce error‑free work.
• Track engagements with the use of Access software.
• Paper and electronic filing of client information; maintenance of filing systems.
• Coordinate internal or external communications between supervisor and others.
• Organize, update, and maintain calendars.
• Manage multiple priorities.

Skills

Administrative support

Communication skills

Office software

Education

High School Diploma or GED

Tools

Microsoft Office

Access

Job description

The Bonadio Group seeks a Seasonal Administrative Assistant to support the Small Business Advisory Service Line in Wilmington, Delaware from January 2027 through April 2027. This is an on-site, seasonal role requiring strong organizational skills.

Duties include processing tax returns and notices, document preparation, filing, calendar management, and coordinating communications. Candidates should have a high school diploma and at least two years of relevant experience.