Co Op Environmental Engineering Jobs in California

Do you want to build an impactful career to change the world for the better? 

Geosyntec has an exciting opportunity for an Intern - Civil/Environmental Engineering at our San Diego (Sabre Springs), California office. This position allows you to apply your knowledge in water/wastewater treatment and environmental engineering to real consulting projects. You will have the chance to support tasks in the field and office.  Tasks include environmental sampling, data analysis, report writing, permitting, proposals, and other technical documentation while also developing the business and communication skills necessary for a successful consulting career. This is a part-time position (16-20 hours per week) for approximately 13 to 15 weeks during the fall semester of 2026, with potential options for extension. Candidates are responsible for coordinating their own transportation to and from the office.

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.

We invest in our people.  Each employee is unique, and your career at Geosyntec will be too.  We offer competitive pay and benefits, and well-being programs to support you and your family.

To Learn More Visit: http://www.geosyntec.com/careers/.

• Assist with water, wastewater, soil, soil vapor, groundwater, and stormwater-related fieldwork, which may include sample collection, drilling oversight, remediation system operation and monitoring, and contractor oversight.
• Support data input, analysis, and reporting, including preparing maps, tables, figures, and associated summaries.
• Assist with engineering calculations and design support related to civil, environmental, geotechnical, water resources, and treatment system projects.
• Contribute to technical writing for reports, letters, memoranda, plans, specifications, and proposals.
• Work collaboratively with engineers, geologists, scientists, GIS and CADD professionals, administrative staff, contractors, and construction personnel.
• Apply strong lab, field, and safety practices developed through research, coursework, and safety training.
• Drive personal, company, and rental vehicles to client or company project or office sites, and other business locations, as needed.

• Currently registered in a Bachelor's or Master's university degree program in a relevant engineering discipline. (required)
• Degree focus area in civil, geotechnical, environmental, water resources, or related engineering discipline. (required)
• Coursework in environmental chemistry, geotechnical engineering, water and wastewater treatment systems, hydraulics, and solid and hazardous waste engineering. (preferred)

• Experience with Microsoft Office, including Excel and PowerPoint. (preferred)
• Interest or experience in water quality testing, wastewater treatment research, environmental sampling, laboratory work, data analysis, and technical reporting. (preferred)
• Strong collaboration, communication, and problem-solving skills demonstrated through team-based design projects, academic support roles, research, or related activities. (required)
• Commitment to safe work practices; safety training related to laboratory chemical safety, biosafety, research safety, First Aid/CPR, and hazardous or biohazardous waste management is beneficial. (preferred)
• Valid U.S. driver's license, reliable transportation, and satisfactory driving record for business travel to project sites. (required)

This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntec's total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location.

• Minimum: $22.98/hour / Maximum: $32.18/hour (San Diego, CA)

We offer a comprehensive benefits package including, paid holidays, vacation, sick, and personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible employees.

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