About the Job Are you looking for an energetic work environment where you can apply your academic and technical skills, collaborate with top-notch industry professionals on exciting environmental projects, and build your career? Then GSI is the place for you. Our company culture is built on excellent service, teamwork, and technical collaboration to solve challenging environmental problems. GSI’s Irvine, California, office has immediate openings for Mid- to Senior-Level Engineers and Scientists. Come join our team! GSI is seeking a highly motivated Mid- to Senior-Level Stormwater Engineer or Scientist to help lead and expand our growing stormwater practice in California. This position offers the opportunity to manage complex stormwater compliance projects, work directly with industrial and municipal clients, mentor junior staff, and contribute to the strategic growth of an established environmental consulting practice Responsibilities:

• Serve as the primary point of contact for key stormwater clients (industrial, municipal, and/or construction).
• Manage multiple projects, including scope, schedule, budget, staffing, and deliverables.
• Participate in client meetings, proposal development, and other activities supporting project and practice growth.
• Review/manage preparation of plans (e.g., Stormwater Pollution Prevention Plans) and technical reports (e.g., Exceedance Response Action Reports and Water Quality Based Corrective Action Reports).
• Assist in the evaluation and management of stormwater quality data.
• Visit client sites to evaluate/assess permit compliance and BMP implementation.
• Develop and/or recommend stormwater best management practices (BMPs) to reduce pollutants in stormwater discharges.
• Provide permitting and compliance support to our clients.
• Participate in research and development of innovative stormwater BMP and treatment technologies.
• Collaborate with technical experts, project managers, colleagues, and subcontractors.

Qualifications/Requirements:

• Bachelor’s degree or higher in engineering or environmental science.
• 5+ years of relevant experience.
• In-depth understanding stormwater/NPDES regulations and related permit requirements.
• Ability to work independently and as part of a team.
• Excellent organizational, verbal, and written communication skills.
• Valid driver’s license and clear driving record.
• Ability to travel domestically.
• Ability to travel occasionally for site visits and project work.

Job Perks:

• Competitive salary and benefits.
• Quarterly and year-end bonuses.
• Flexible work environment with potential for remote work.
• Participation in conferences, technical presentations and papers, and research.
• Fun, collaborative, teamwork-driven atmosphere.

Exact compensation may vary based on skills, years of experience, and location. Salary range for those with mid-level experience: $85,000 - $110,000 Salary range for those with senior-level experience: $115,000 - $150,000+