Senior Environmental Engineer

Find your path and enjoy the journey at Haley & Aldrich. With us, you’ll tackle clients’ most meaningful challenges in the built and natural environments – and, in turn, build stronger communities. You’ll work with teams of passionate colleagues, driven by a commitment to technical excellence and continuous learning.

As a company, we aim to build a world where communities go beyond resilience, embracing change as an opportunity to enhance safety, well‑being, and quality of life. Join us to accelerate this vision and your professional development.

We are looking to add new talent to our growing team! We are currently seeking a Senior Environmental Engineer to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity to join a growing group and company and get involved in a variety of projects for a diverse range of clients.

This is a full‑time hybrid position located in our Costa Mesa, CA office.

In this position, you will:

• Prepare and/or review written communications and technical deliverables.
• Demonstrate and apply technical competence, knowledge of codes and regulations, and professional standards 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, construction, and remedial system operation, maintenance, and monitoring tasks.
• Lead environmental data and technical evaluation and reporting tasks.
• Lead remedial action development, feasibility studies, cost estimating and permitting tasks.
• 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 Engineering or related field.
• Minimum 6+ years of related experience.
• Excellent written and verbal communication skills, including verbally communicating and presenting project information.
• Desire to learn and grow in your profession, demonstrate a positive attitude, strong work ethic, resourcefulness, flexibility, and ownership.
• Skilled in the use of AutoCAD, Civil 3D, and GIS software.
• Experience with soil, groundwater, and air treatment technologies.
• Working knowledge of regulatory framework that is pertinent to the work.

• Master’s degree in Environmental Engineering or related field preferred.
• Have CA professional registration PE – or can get it within 12 months of hire.
• Design, construction, and operation, maintenance, and monitoring experience with environmental remediation projects.
• Association with professional organizations in field of specialty.
• OSHA 40‑Hour HAZWOPER training and refresher updates.

The salary range for this position in Costa Mesa, CA is $95,000 – $120,000 annually. Actual compensation will be based on a variety of factors such as education, related work experience, certificates, skills, and current market conditions. Haley & Aldrich reviews salary ranges each quarter to assess competitiveness with the market.

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.