Laboratory Technician; Wastewater System

Laboratory Technician (Wastewater System)

Location: Martinez, CA Industry: Renewables:
Biomass Schedule: Monday–Friday, 8-hour shifts (Onsite)
Duration: One (1) year contract (Renewable)
Rate: $30/hr

• Maintain ELAP‑accredited Bioassay Laboratory facilities, including ordering, tracking, and organizing laboratory chemicals and supplies.
• Set up, perform, and monitor weekly NPDES‑required fish bioassay tests following EPA procedures, including reference toxicant tests.
• Maintain fish cultures used for bioassay testing.
• Conduct NPDES‑required sampling of treated and untreated industrial wastewater and stormwater per EPA and permit‑defined procedures.
• Prepare and coordinate shipment or pickup of samples by external commercial laboratories.
• Perform on‑site chemical monitoring and analysis in accordance with Environmental Laboratory Accreditation Program (ELAP) requirements.
• Conduct regulatory compliance monitoring including Microtox, DOUR, dissolved oxygen, pH, conductivity, ammonia, chlorine, alkalinity, and hardness analyses.
• Accurately document and communicate analytical results, field observations, and trends in a timely manner.
• Create and maintain spreadsheets to track chemical inventory, chain‑of‑custody forms, corrective actions, and laboratory data.
• Collect field samples of industrial waste, wastewater, tank products, or process gases in all weather conditions.
• Conduct field audits supporting environmental waste, water, and air compliance programs.
• Comply with all facility health, safety, and environmental protocols.

• BSc Degree in Natural Sciences (e.g., aquatic toxicology) or related field preferred.
• Environmental laboratory or industrial facility experience preferred; relevant education/experience combinations considered.
• Ability to work independently in an industrial setting.
• Strong verbal and written communication skills.
• Experience collecting environmental samples for chemical analysis.
• Possession of a TWIC card and completion of OSCA RSO Refinery Safety Training.
• Proficiency in Microsoft Word and Excel.

• Strong attention to detail and accuracy
• Ability to work independently and prioritize tasks
• Comfortable working in industrial field environments
• Effective communication and documentation skills
• Adaptability to evolving environmental and regulatory requirements

With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed.

We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.