Part-time Administrative Assistant

Inframark O&M Rio Vista, 3000 Airport Road, Rio Vista, California, United States of America

Posted Wednesday, January 7, 2026 at 5:00 AM

Inframark's Operations and Maintenance team is an award-winning team that delivers cutting‑edge water, wastewater, and public works services to municipalities, utility districts, and industries. We are dedicated to supporting our employees as well as protecting the environment and the communities we serve. You would be empowered to thrive in a dynamic, supportive, and innovative environment. Take the next step in your career and join us ly today!

Our dedication to sustainability and community impact drives us to ensure clean, safe water for future generations. Whether you’re at the start of your career or looking for advancement, Inframark offers purpose‑driven work and opportunities for growth. We offer an attractive salary package, including a generous benefits package with health, dental, and life insurance, 401(k) plan, paid time off, sick leave, holidays, and a wellness plan.

The Administrative Assistant I provides entry‑level administrative and clerical support to ensure efficient operation of assigned departments. This role is designed for candidates beginning their administrative career with opportunities for development and progression within Inframark.

Salary $19-$20/hr.

• Answer phones and greet visitors.
• Perform data entry and maintain electronic and paper files.
• Assist in preparing basic correspondence and reports.
• Support scheduling of meetings and appointments.
• Maintain office supplies inventory.
• Provide general support to staff as needed.

• Reports to Department Supervisor or Manager.
• Works closely with administrative staff and department employees.

• High school diploma or equivalent.
• 0–2 years of administrative support experience.
• Proficiency with Microsoft Office (Word, Excel, Outlook).
• Strong organizational and communication skills.

• Extended periods of sitting, typing, and computer use.
• Occasional lifting up to 20 lbs.

Office‑based environment with routine administrative duties.

Travel is not required.

Inframark is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.