NWRI Seeking Part-Time Administrative Assistant

The National Water Research Institute (NWRI) seeks a detail-oriented and highly organized, part-time Administrative Assistant. Reporting to the Project Manager, this role is responsible for managing records, planning meetings, administrative communication, and Board activities. Primarily based in NWRI’s Fountain Valley office, the Administrative Assistant will support regular, in-person meetings.

Physical Requirements

The role involves prolonged periods of sitting, regular computer use, and lifting up to 25 pounds. Occasional evening or early morning meetings with local travel may be required.

Compensation & Benefits

Part-Time (15 – 25 hours per week)
Pay Range: $25 - $28 per hour, commensurate with experience and qualifications
Simple IRA Plan with employer matching up to 3 percent
Paid sick leave in accordance with California law
Remote work and flexible schedule, depending on business needs
Opportunities for professional development at a mission-driven organization

Key Responsibilities

Provide administrative support to managers, project teams, and the Board of Directors.
Maintain organizational records, including paper and digital file storage and retrieval to support compliance, reporting, and archiving needs.
Follow up on action items to ensure timely completion by staff, vendors, and Board members.
Coordinate logistics for virtual and in-person meetings, including agendas, materials, and venues; document and maintain meeting minutes and follow-up tasks.
Administer Brown Act compliance, including posting notices, agendas, and meeting materials.
Support the Executive Director, including calendar management, meetings, document preparation, and routine correspondence.
Travel locally to meetings, workshops, and events as needed.
Maintain standardized templates, documents, and forms.
Manage the digital document lifecycle from creation through archiving.
Draft clear, professional written communications.
Support the Communications Manager with routine website updates and content updates.

What We’re Looking For

Excellent organizational and communication skills; attention to detail
Ability to manage multiple tasks and ensure follow-through on action items
Professional, reliable, and collaborative work style
Proficiency with shared document systems, file management, and collaboration tools
Professional demeanor and ability to interact effectively with senior leadership, Board members, and external partners
Ability to work independently and follow instructions
Availability to work part-time hours with occasional schedule flexibility for meetings or events
Experience supporting boards or leadership at nonprofit, research, or public organizations
Experience with scheduling tools and virtual meeting platforms

About NWRI

NWRI is a 501c3 nonprofit that collaborates with water utilities, regulators, and researchers to advance innovative, sustainable, and safe drinking water solutions through independent research and expert advisory processes. Office Location: 18700 Ward Street, Fountain Valley, CA 92708

Equal Opportunity Employer

NWRI is an equal opportunity employer and does not discriminate on the basis of race, color, religions, sex, gender identity or expression, sexual orientation, age, national origin, disability, veteran status, or any other protected characteristic under applicable law.

How to Apply

To apply, please submit a resume and brief cover letter telling us about your background and interest in the Administrative Assistant position to tmanzon@nwri-usa.org. Applications will be reviewed until the position is filled.