Join Mesa Water District’s Financial Services team as a Financial Services Assistant and take your accounting and administrative skills to the next level! This is a unique opportunity to play a pivotal role supporting our Chief Financial Officer, Controller, and department operations while gaining hands-on experience in a wide range of accounting and administrative functions. If you’re detail-oriented, thrive in a dynamic team environment, and enjoy keeping financial processes running smoothly, this position offers meaningful work, professional growth, and the chance to make a real impact in a respected public agency.

Ideal Candidate

• Teamwork - Collaborates with others towards shared goals.
• Involving Others - Engages others for input, collaboration, and shared responsibility for outcomes.
• Attention to Detail - Shows a high level of care and thoroughness in handling the details of the job. 
• Adaptability - Responds positively to change and modifies behavior as the situation requires.
• Professional Integrity and Ethics - Displays honesty, adherence to principles, and personal accountability.
• Action and Results Focus - Stays clear and focused on what is expected or needs to be accomplished.
• Using Technology - Proficient in all Microsoft Office suite (Word, Excel, Teams, etc.).
• Analyzing and Interpreting Data - Draws meaning and conclusions from quantitative or qualitative data.
• Critical Thinking - Applies analytical and logical reasoning to evaluate information and challenge assumptions through thoughtful questioning. 

Why Us?

• Competitive Pay & Benefits - We offer strong compensation and benefits packages that are regularly evaluated to stay ahead of industry standards.
• Supportive Work Culture - At Mesa Water, we foster a fun, collaborative environment where meaningful relationships and teamwork thrive.
• Employee-Centered Environment - Our organization-wide engagement program reflects our deep commitment to keeping employees motivated, supported, and excited about their work.
• Professional Growth - This role offers a strong opportunity for professional growth, providing hands-on accounting experience and training in key accounting concepts while working on impactful, real-world assignments.

Interested candidates must get their applications in by the deadline of Tuesday, March 3, 2026.

Any combination of training and experience that would provide the required knowledge, skills, and abilities is qualifying. A typical way to obtain the required qualifications would be:

• Education: Equivalent to the completion of the twelfth grade supplemented by college level course work in bookkeeping, accounting, business administration, or a related field.  A bachelor’s degree is highly desirable.
• Experience: Four years of increasingly responsible clerical and technical accounting experience. Previous governmental accounting experience is highly desirable. Payroll experience is desirable.

About Mesa Water District

Mesa Water District is a local government agency providing water to over 110,000 residents including homes, business and industries in Costa Mesa, parts of Newport Beach, and some unincorporated areas of Orange County including the John Wayne Airport. An industry leader, Mesa Water is known for its advanced water treatment practices and use of multiple technologies. The District is governed by an elected five-member Board of Directors, who appoints the General Manager. The General Manager is responsible for directing approximately 55 employees in the operation of the District.

Connections working at Mesa Water District