Operations and Maintenance Assistant (Guest Services)

Job Description

At the Metropolitan Water District of Southern California, we deliver reliable water to a region with 19 million people—and to accomplish this, we rely on a team of talented employees: innovators, problem-solvers, and collaborators who make it all possible.

This recruitment may result in an Eligibility List*

The Metropolitan Water District's Integrated Operations, Planning and Support Services Group currently has five (5) openings for Operations and Maintenance Assistant (Guest Services) at our Gene Pumping Plant in Parker Dam, California.
Salary: $27.14 - $35.76 per hour

The Operation and Maintenance Assistant (Guest Services) is responsible for performing general maintenance duties across Southern California desert facilities and part of lntregated Operations, Planning and Support Services Group. This multi-faceted role covers building and grounds maintenance, general labor, custodial services, housekeeping, and food services.

The Guest Services Team members support daily operations, ensure cleanliness, and assist various regional teams to maintain facility readiness, particularly during peak operational windows. You must be willing and able to occasionally work at various Desert Region facilities outside of the primary assigned home facility.

What You'll Do

Guest Services Janitorial & Custodial Maintenance
Provide comprehensive janitorial upkeep for Desert Region kitchens, dormitories, guest lodges, and assembly areas. Ensure all common areas, storage areas sleeping quarters, and facilities meet cleanliness and hygiene standards.
Guest Services Food Services & Preparation
Assist in food preparation and kitchen staging within Desert Region dining facilities. Serve meals for personnel and guests in designated dining facilities. Maintain clean, sanitized food service environments.

Cross-Functional Team Support & General Labor
Sort, put away, use First-In, First-Out (FIFO), and weekly. Transport supplies. Clean, wash, and maintain team vehicles and operational equipment.
Required Knowledge of: Current office technology and equipment.

Required Skills and Abilities to: Problem solve; prioritize and multi-task; communicate clearly and concisely, both verbally and in writing; establish and maintain effective working relationships with those contacted in the course of work; work independently and in a team environment; and operate current office equipment including computers and supporting applications. See bullet points below:

Custodial & Janitorial
Sanitation standards: Knowledge of deep-cleaning methods for commercial kitchens, dorms, and guest lodges. Chemical safety: Experience handling industrial cleaning agents and sanitizers Waste management: Ability to properly dispose of facilities and kitchen

Food Services

Food preparation: Basic culinary skills to assist with meal prep and kitchen Food safety compliance: Understanding of safe food handling, temperature controls, and hygiene. Guest hospitality: Skills in serving meals efficiently in a dining hall

General Labor & Guest Services Support

Inventory & Storekeeping: Ability to track, organize, and transport food and Vehicle & Equipment Care: Basic skills in washing, detailing, and inspecting vehicles, boats, and tools. Administrative basics: Competency in logging deliveries, and basic clerical Cross-functional teamwork: Readiness to pivot between housekeeping, kitchen duties, and administrative Schedule flexibility: Availability to work rotating weekend shifts during peak inspection seasons. Mobility: Willingness to travel and work across multiple regional facility

Physical Adaptability

Physical stamina: Ability to perform heavy lifting, bending, and standing for long Climate resilience: Capacity to work comfortably in high-temperature desert
Work Location: Desert Region Facility- Gene Camp in Parker Dam, CA.

The Incentive Pay program is set up to provide a Desert Branch Assignment Premium to qualifying employees as follows: 5% for all employees assigned to Gene Camp or Hinds Pumping Plant for the Operations and Maintenance Assistant position.

This job announcement has been designed to indicate the general nature and level of work being performed by employees in this classification / job.

To view the full job description click here: Operations and Maintenance Assistant

WORK SCHEDULE (Part-Time 3/10): Monday-Sunday (part time hours varies) Desert Region Guest Services Team are required to work a minimum of two weekends a month during the CRA Inspection Trip Season, usually September through June.

EMPLOYMENT STANDARDS MINIMUM QUALIFICATIONS

Education and Experience: High school diploma or general education development test (GED).

CERTIFICATIONS, LICENSES, AND REGISTRATION REQUIREMENTS
License(s): Valid California Class C Driver’s License or equivalent (required at time of application) that allows you to drive during your employment.

Benefits:
• Competitive compensation
• Excellent medical
• Deferred compensation in the form of a 401(k) plan (with matching contribution) and a 457 plan.
• Retirement benefits under the California Public Employees' Retirement System
• Excellent working environment

• Hub of public transportation: rail, subway, buses, and taxis

For more information on MWD benefits, please use the following link: Benefits Regular FT PT Employees (Represented)

ABOUT MWD

The Metropolitan Water District of Southern California is a state-established cooperative that, along with its 26 cities and retail suppliers, provides water for 19 million people in six counties. The district imports water from the Colorado River and Northern California to supplement local supplies, and helps its members to develop increased water conservation, recycling, storage and other resource-management programs.

Metropolitan is an Equal Employment Opportunity (EEO) employer. The Metropolitan Water District of Southern California is committed to fostering an inclusive and respectful workplace for all employees.

Qualified individuals with disabilities who need a reasonable accommodation during the application or selection process, please reach out to the Human Resources Office at (213) 217-7738 or email jobs@mwdh2o.com .

In accordance with applicable laws, we provide religious accommodations for sincerely held religious beliefs, practices, and observances that conflict with work requirements. If you require a religious accommodation during the application, interview, or employment process, please reach out to the EEO Office at (213) 217-5858 or eeooffice@mwdh2o.com . Requests are evaluated on a case-by-case basis.

Application Filing Period: Closes at 11:59 pm PT on the date stated in the job announcement. However, it may close prior to the filing end date if sufficient applications have been received. If sufficient applications have not been received, then the filing period end date may be extended.

Eligibility List*: An eligibility list is a list of qualified candidates created when a job posting states that one will be established.

Candidates who meet the minimum qualifications listed in the original posting and successfully pass all stages of the recruitment process—but are not selected for the initial vacancy—may be placed on this list for future openings.

The list may be used to invite candidates to participate in a selection interview for a future vacancy in the same classification / title (if there is one). The duration of the list depends on the applicable bargaining unit.

Qualifying Experience: Your resume must at a minimum include the month and year you began and ended employment, name of the organization, your title, and a brief description of your experience. If your employment was part-time, make sure you identify it on your resume next to the month/year.

Sponsorship: Applicants for employment with The Metropolitan Water District of Southern California must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States (i.e., H1-B or other employment-based immigration case).

Closing Date/Time: November 12, 2026 @ 11:59 p.m. PT