Senior Environmental Engineer or Environmental Scientist

Senior Environmental Engineer or Scientist 1 - Full‑time field position in Los Angeles County, primarily in Costa Mesa, CA.

In this position, you will:

• Provide a wide range of support for site‑specific environmental compliance related to stormwater quality management, construction and post‑construction BMPs, NPDES permitting, and California stormwater requirements.
• Leverage your understanding of applicable local, regional, state, and federal stormwater program guidance, policy, and regulations in California to align project scopes with client objectives and regulatory requirements to deliver superior client value.
• Prepare and/or review written communications and technical deliverables.
• Demonstrate and apply technical competence, knowledge of codes and regulations, and professional standard of practice to assigned tasks.
• Leverage understanding of technical scopes of work for assigned work and their alignment with overall project objectives to deliver quality assignments.
• Coach, mentor, and direct junior staff to ensure high‑quality execution of project tasks, including field activities and preparation of technical reports and deliverables, while facilitating knowledge transfer for team development.
• Use developing skills to be visible in your discipline by giving internal technical presentations and/or conference presentations and attending external networking events.
• Lead field programs for stormwater quality management, contaminated site investigation and management, and environmental protection‑related construction, maintenance and monitoring.
• Conduct permit reviews, perform site visits, and oversee inspection and sampling programs.
• Assist business development and proposal efforts; serve in a client service role.
• Plan and perform all work in accordance with company and client health and safety protocols.
• Demonstrate the company’s foundational safety behaviors.

Minimum Skills and Requirements:

• Bachelor’s degree in Environmental Science, Geology, Engineering, or related field.
• 6+ years of stormwater related experience in environmental consulting.
• Excellent written and verbal communication skills, including verbally communicating and presenting project information to clients and regulatory agencies.
• Desire to learn and grow in your profession, demonstrate a positive attitude, strong work ethic, resourcefulness, flexibility, and ownership.
• Working knowledge of regulatory frameworks that are pertinent to the work.
• During the stormwater season (October through April), the role is almost 100% field‑based at the primary client project site, with early morning starts and on‑call requirements during rain events, including weekends and holidays. Outside the rainy season, the split is approximately 50‑50 between other field projects and office/reporting duties.
• Must be able to pass client‑specific background screens and obtain necessary site badges.
• Must lift up to 50 pounds, handle large sample volumes, and be comfortable with field vehicles, including four‑wheel drive when necessary.
• Must have reliable transportation or be able to rent one for site access. The primary project site is not accessible via public transportation.

• California Professional Engineer or Geologist Registration.
• QSP and/or QSD. QISP is also acceptable.
• One or more construction stormwater certifications (e.g., CISEC, CPESC, CPSWQ, CESSWI).
• Experience with Industrial and/or Municipal NPDES/MS4 programs.
• Experience with soil, groundwater, and air sampling and reporting technologies.
• OSHA 40‑Hour HAZWOPER training and refresher updates.

Salary range for this position in LA County – Simi Valley or the San Fernando Valley, CA is $90,000 – $115,000 annually.

We offer a solid benefits package.

Haley & Aldrich is an equal opportunity employer. All qualified applications will receive consideration for employment without regard to gender, race, age, disability, veteran, or any other legally protected status.