County of Marin

At Health & Human Services, we serve our community through the values of support, unity, trust and excellence with one common goal: to promote and protect the health, well-being, safety and self-sufficiency of all in Marin. Join our team of bright, committed, and energetic people who also want to make an impact through public service.

Why be an Office Assistant?
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 and Health & Human Services. Office Assistants gain exposure to our programs and services and receive experience that can help them develop into their next role within the organization.

The Role:
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.

Current Vacancies:
There are multiple vacancies for Office Assistant III across Health & Human Services. The eligible list established from this recruitment will be used to fill the current vacancies and any future vacancies for open, fixed term, full-time, and part-time positions, including regular-hire (benefited) and temporary positions, that may occur while the list remains active. This list will remain active for six (6) months.

Office Assistant III Recruitments:
This recruitment is for Office Assistant III (Health & Human Services) positions only. If you wish to be considered for Office Assistant III positions in Health & Human Services that use and require bilingual skills, you must submit a separate application for that Office Assistant III – Bilingual recruitment here.

Hybrid Work Environment:
Office Assistants work primarily onsite due to the nature of their roles. There may be occasional opportunities for hybrid work schedules depending on assignment and/or coverage needs.


Our Highly Qualified Candidate has strong organizational skills and multi-tasking abilities. They will also have 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

We recognize your time is valuable, so please do not apply if you do not have at least the following required minimum qualifications:

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.

For more detailed information about this classification, including the minimum qualifications, please click here: Office Assistant III.

Testing and Eligible List:
Qualified candidates will be tested on their Microsoft Word and Excel skills. Those who receive passing scores on these tests may have their application materials reviewed and the most qualified candidates may be certified to the departments for selection interviews. Candidates on the Office Assistant III eligible list may be contacted about multiple opportunities in various departments, depending on hiring needs.

The eligible list established from this recruitment will be used to fill the current vacancies and any future vacancies for open, fixed term, full-time, and part-time positions that may occur while the list remains active. Applications will remain will active on the eligible list for six (6) months.

Recruitment Notifications:
Any email notifications regarding the recruitment process will come from Please be sure to check your spam settings to allow our emails to reach you. You may also log into your account to view these emails.

Important COVID-19 Information:
Depending on work assignment and applicable State or Federal Public Health Order, some employees may be required to be fully vaccinated and/or consent to weekly COVID-19 testing. To help mitigate transmission, masks are required for all individuals, regardless of vaccination status, in certain workplace settings per the California Department of Public Health and masks are strongly recommended by the Marin County Public Health Officer in all other settings.

Disaster Service Workers:
All County of Marin employees are designated Disaster Service Workers through state and local law (California Government Code Section 3100-3109). Employment with the County requires the affirmation of a loyalty oath to this effect. Employees are required to complete all Disaster Service Worker-related training as assigned, and to return to work as ordered in the event of an emergency.

To apply for this job please visit