Laboratory Technician I​/II

to learn more about the City of Tracy and view the job announcement.

Final date to receive applications:
FEBRUARY 4, 2026

Selection Interview:
Week of February 23rd or March 2nd

The City of Tracy is seeking a dedicated and motivated individual to join the organization as a
Laboratory Technician I/II
. This opportunity is ideal for someone who brings not only strong technical capability but also exceptional character and professionalism. The ideal candidate will demonstrate high integrity, strong ethical standards, and a commitment to accurate, responsible laboratory practices. They will value teamwork, communicate effectively, and contribute positively to a collaborative work environment. An open-minded approach, willingness to learn, and adaptability to evolving processes are essential, along with a goal-oriented mindset and the drive to grow within the organization.

Highly qualified applicants will have experience working in commercial or public agency laboratories, particularly in areas such as environmental testing, water or wastewater analysis, and quality assurance procedures. This role offers the chance to make a meaningful impact while building a long-term career with a supportive and mission-driven public agency.

Under direct or general supervision, performs a variety of routine to complex duties in support of the Department including collecting samples of potable and recycled water, wastewater, and industrial wastes and performing field and laboratory physical, chemical, biological, and bacteriological tests on various matrices; and performs related duties, as assigned.

Receives direct (Laboratory Technician I) or general (Laboratory Technician II) supervision from assigned supervisory or management staff and technical and functional direction and training from assigned supervisory or management staff. Exercises no direct supervision over staff.

Laboratory Technician I:
This is the entry-level classification in the Laboratory Technician series. Initially under close supervision, incumbents with basic experience learn City systems, operations, practices, and procedures. As experience is gained, assignments become more varied and are performed with greater independence. Assignments may vary with the skill and training of the incumbent. Positions at this level usually perform most of the duties required of the positions at the II-level, but are not expected to function at the same skill level and usually exercise less independent discretion and judgment in matters related to work procedures and methods.

Laboratory Technician II:
This is the journey-level classification in the Laboratory Technician series. Positions at this level are distinguished from the I-level by the performance of the full range of duties as assigned, working independently, and exercising judgment and initiative. Positions at this level receive only occasional instruction or assistance as new or unusual situations arise and are fully aware of the operating procedures and policies of the work unit.

• Performs and interprets chemical, biochemical, biological, microbiological, and physical analyses of samples related to the treatment, quality control, and distribution of potable and recycled water, as well as treatment, quality control, and disposal of wastewater influent, effluent, and biosolids, following standard procedures and guidelines.
• Participates in the collection of samples at various sites throughout the water and wastewater systems for testing to determine the effectiveness of each stage of the treatment process.
• Sets up, calibrates, operates, and performs minor maintenance and repair to a variety of laboratory instruments and equipment.
• Prepares standard chemical solutions and reagents for laboratory and operations; disposes of outdated materials in a safe manner; prepares test kits for sampling, cleans glassware and equipment to ensure that the laboratory is maintained in a clean and orderly condition.
• Maintains accurate records of test results and work performed; assembles and records test data and results using database software; prepares draft charts, graphs, and written reports.
• Periodically monitors inventory of laboratory supplies; orders materials and equipment to maintain supply levels; updates order records.
• Maintains quality control and quality assurance and follows safe work procedures within standard operating procedures and protocols.
• Participates in analyzing and interpreting laboratory results, recognizing problems that may be occurring during the treatment process.
• Performs routine testing and analyses of potable water, recycled water, and wastewater effluent to maintain laboratory certification and ensure regulatory compliance.
• Responds to public complaints and questions regarding water quality issues.
• Consults with appropriate operations staff regarding…