Office Assistant III

At the County of Marin, our employees overwhelmingly report feeling their work is meaningful, they like the work they do, and they are proud to tell people “I work for the County of Marin.” Discover more about us, our values and our organizational culture on the Department of Human Resources website. Read on to find out more about this opportunity.

Being an Office Assistant is a fulfilling career in itself. Our Office Assistants are regularly the first point of contact for members of our community and they provide important administrative and clerical support that helps our teams stay organized and focused.

Additionally, being an Office Assistant is a great launching point for career growth within the County. Office Assistants gain exposure to our programs and services and receive experience that can help them develop into their next role within the organization.

Office Assistant III’s provide a variety of office support duties to County departments. Responsibilities may include conducting transactions with the public and other employees requiring interpretation of laws, rules, policies and procedures and serving as a departmental liaison to other agencies. Assignments require exercising initiative and independent judgment within established policies and procedures to resolve a variety of routine to complex problems.

Some assignments at this level may function as lead workers and provide work direction or coordinate the work of clerical staff.

There are continuous vacancies for Office Assistant III positions in County of Marin departments. Some vacancies are full-time (37.5 hrs.) and others are part-time.

Has strong organizational skills and multi-tasking abilities. The ideal candidate has the ability to quickly become proficient in internal systems and to work independently. Clerical/office support experience includes preparing, interpreting and maintaining a variety of records and/or documents; use of standard office applications and equipment; and greeting and assisting members of the public. The ideal candidate is proficient in Microsoft Office computer programs.

Other skill sets and work experience may be desirable for particular assignments, including but not limited to:

• Customer Service (in-person, by phone and/or email)
• Office Coordination
• Filing and Records Management
• Data Entry and Data Retrieval
• Experience with Legal or Medical Forms and Documents

• Standard office practices and procedures including filing and retrieval systems, correspondence formats and the operation of standard office equipment.
• Standard office applications including word processing, spreadsheet and database systems.
• Correct English usage including grammar, spelling and punctuation.
• Business arithmetic.

• Perform difficult and/or complex clerical duties including document processing and auditing.
• Use independent judgment and prioritize multiple tasks.
• Learn complex enterprise resource planning software and/or assignment-specific database systems.
• Some assignments may require ability to perform more advanced mathematical calculations such as computing percentages and calculating simple measurements.
• Provide lead direction and training to staff depending on assignment.

Two years of experience performing clerical/office support duties that demonstrates proficiency with standard office applications and practices. Completion of a clerical training program or office administration coursework may be substituted for up to six months of the required experience. Some assignments require one year of experience in the area of assignment.

Clerical/office support experience includes preparing, interpreting and maintaining a variety of records and/or documents; use of standard office applications and equipment; and greeting and assisting members of the public.

If you have questions concerning this position announcement, please contact the Staffing Division at  or jobs.

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