Laboratory Supervisor Jobs in Riverside, CA (NOW HIRING)

THE POSITION: THE OPPORTUNITY: Are you a laboratory leader with strong expertise in wet chemistry, microbiology, and Whole Effluent Toxicity (WET) testing. Inland Empire Utilities Agency (IEUA) is seeking a Laboratory Supervisor to oversee laboratory operations that directly support wastewater treatment plant performance, NPDES permit compliance, and protection of receiving waters. This position leads analytical activities in conventional wet chemistry, microbiological testing and toxicity bioassays using Ceriodaphnia dubia.

The Laboratory Supervisor ensures analytical work is performed in accordance with EPA-approved methods, Standard Methods, California ELAP accreditation requirements, Title 22 regulations, and NPDES permit mandates. Working closely with plant operations, this role provides timely, defensible data critical for process control, compliance reporting, and regulatory inspections. The position oversees section specific QA/QC programs, maintains audit readiness, supports ELAP certification, and leads investigations related to quality events or compliance exceedances.

In addition, this position collaborates with laboratory sections performing advanced instrumental analyses, including ICP, ICP-MS, GC, GC-MS, and HPLC. A working knowledge of complex instrumentation and its regulatory applications is highly desirable to support cross-functional coordination and overall laboratory performance. This is an opportunity to lead a high-performing team whose work is essential to regulatory compliance, operational excellence, and IEUA's mission to safeguard public health and the environment.

TRAINING AND EXPERIENCE: A typical way of obtaining the knowledge, skills and abilities is graduation from a four year college or university with a major in analytical chemistry, inorganic chemistry, or a closely related field and four years of increasingly responsible chemical laboratory experience typically performed in a water/wastewater utility laboratory; or an equivalent combination of training and experience. One year of supervisory responsibility is desirable. Possession of a valid Grade IV Laboratory Analyst/Water Quality Analyst certificate may be substituted for the degree requirement.

LICENSES; CERTIFICATES; SPECIAL REQUIREMENTS: A valid Class "C" California Driver's License and the ability to maintain insurability under the Agency's vehicle insurance program. A valid Grade IV Laboratory Analyst/Water Quality Analyst certificate from the California Water Environment Association or the California-Nevada section of the American Water Works Association is desired. Skills and Abilities: Ability to perform, interpret, and oversee complex chemical and instrumental analyses for water, wastewater, and industrial waste using EPA and Standard Methods.

Strong knowledge of QA/QC programs, laboratory certification requirements, and federal, state, and local regulatory standards to ensure accurate, defensible data. Proven ability to supervise, train, and mentor professional and technical staff while fostering a safe, collaborative, and high-performance laboratory environment. Ability to evaluate analytical results, troubleshoot laboratory methods and instrumentation, and exercise sound independent judgment in support of operational and compliance goals.

To view the full job description, please click here. About Us: The Inland Empire Utilities Agency is a regional wastewater treatment agency and wholesale distributor of imported water to approximately 950,000 people across 242-square miles in western San Bernardino County. Under the leadership of a directly elected five-member Board of Directors, the Agency is committed to supporting the needs of its service area and safeguarding public health through significant investments in a diverse water supply portfolio, reliable municipal/industrial wastewater collection and treatment services, and other related utility services in a regionally planned and cost-effective manner.

As a member agency of the Metropolitan Water District of Southern California (Metropolitan), IEUA provides supplemental water supplies, primarily via the State Water Project (SWP) for distribution among nine retail agencies. IEUA also replenishes local groundwater supplies with captured stormwater and recycled water produced by IEUA that is later extracted by local water agencies for use as a drinking water supply. At IEUA, we pride ourselves on fostering a culture that promotes growth, accountability, and collaboration.

Our eight organizational attributes are the foundations of our success and guide us in our daily operations. Safety- We are committed to maintaining a safe and healthy work environment for all employees. Continuous Learning and Improvement- Our commitment to professional development ensures that our team members are always equipped with the latest knowledge and skills.

Efficiency- We strive to optimize our processes and resources to deliver the highest quality services in the most effective manner. Collaboration- By leveraging diverse perspectives and expertise, we create innovative solutions and drive our mission forward. Accountability- By owning our responsibilities, following through on our commitments, and doing the right thing when no one is looking, we ensure that we meet our goals and uphold our standards of excellence.

Coaching for Performance- Our leaders are committed to providing guidance and support to help team members reach their full potential. Respect- We value each individual's contributions and treat everyone with dignity and consideration. Employee Engagement- By fostering a sense of belonging and purpose, we ensure that our employees are motivated and invested in our mission.

Click the links to learn more about our Agency's Mission, Vision, and Values, including our Strategic Plan. SELECTION PROCESS: This position is open until filled. The deadline for the first review of applications is 11:59 PM on Tuesday, April 7, 2026.

Applicants that submit applications after the first review deadline are not guaranteed to be considered for this recruitment. This recruitment may close at any time without notice after the first review deadline. There is one (1) vacancy in the Planning & Resources Department.

This recruitment is being conducted to fill one (1) vacancy and will establish an eligibility list which may be used to fill future vacancies as they occur during the active status of the eligibility list. Salary Range: SU 185 FLSA: Exempt Probationary Period: 12 months All employment applications will be reviewed for accuracy, completion, relevant experience, education, training and other job-related qualifications. Applicants with the strongest background relating to the responsibilities of this position will be invited to participate in the testing process which may include one or more of the following: written test, oral interview, performance/practical and/or agility examination.

The successful candidate will be required to pass a background/reference check and pre-employment physical examination including a drug screen (for safety sensitive position) at no cost to the candidate. Please visit our website at www.ieua.org and select the Human Resources Department for additional information regarding the Agency, the hiring process and benefit information. Any applicant requiring reasonable accommodation during the selection process due to a qualified disability must inform the Human Resources Office at (909) 993-1645 or hrdept@ieua.org at least 72 hours in advance of the need for accommodation

The Inland Empire Utilities Agency does not sponsor employment visas at the time of hire or during the course of employment. All applicants and employees must be legally authorized to work in the United States at the time of application and throughout the duration of employment. THE PROVISIONS OF THIS ANNOUNCEMENT DO NOT CONSTITUTE A CONTRACT, EXPRESSED OR IMPLIED, AND ANY PROVISION CONTAINED IN THIS BULLETIN MAY BE MODIFIED OR REVOKED WITHOUT NOTICE.

"The Agency's success is obtained by creating a positive and diverse work environment which recognizes individual differences and experiences".