Senior Chemical​/Environmental Engineer or Environmental Scientist

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.

The is a full-time role and based in either our Costa Mesa, CA or San Diego, CA  this position, you will have an opportunity to play a key role in delivering strategic value and driving meaningful outcomes for our clients and team. You will act as a seller/doer, developing and maintaining client relationships, leading multi-disciplinary project teams, executing high-quality deliverables, and mentoring junior staff.

Your expertise will guide technical execution and proactive compliance strategies, helping clients navigate complex regulations and implement effective EHS programs. If you’re ready to take your career to the next level and contribute to a dynamic and growing company, we’d love to hear from you!

• Lead and grow the company’s portfolio by developing and maintaining strategic client relationships, identifying new business opportunities, and driving significant revenue growth.
• Oversee large, complex projects from initiation to completion, ensuring they meet technical, budgetary, and client satisfaction goals. Serve as a senior leader on project teams and oversee all phases of service delivery.
• Build and guide high-performance teams, fostering a collaborative environment. Mentor emerging talent and promote staff development through hands‑on coaching and leadership during project execution.
• Contribute to the company’s long‑term strategy by identifying new markets, services, and technologies, and leading proposals for high‑impact projects.
• Actively participate in professional organizations, representing the company, providing thought leadership, and influencing industry trends.
• Ensure that all work is performed in accordance with company and client Health & Safety protocols.
• Demonstrate our foundational safety behaviors.
• Provide senior technical and strategic leadership for EHS regulatory compliance programs, including RCRA compliance, with an emphasis on clients in California.

• Bachelor's degree in Chemical Engineering, Environmental Engineering, Environmental Science, or related field.
• 15+ years of experience in EHS regulatory compliance, RCRA compliance, or related technical areas, with a proven track record of driving business growth through client relationships and leadership in complex projects.
• Demonstrated expertise in both business development and project leadership, with experience safely and profitably leading multiple projects simultaneously and managing client portfolios.
• Strong written and verbal communication skills, with the ability to convey complex ideas and lead client and internal discussions effectively.
• Proven leadership experience in building and managing diverse teams, mentoring staff, and fostering collaboration.
• Strong business acumen with the ability to balance strategic growth, client needs, and company profitability.

• Professional registration or certification in a relevant field is preferred, such as PE, CSP, or CIH.
• Significant experience in California EHS compliance markets, with established relationships and insights into industry trends.
• Experience presenting at conferences, writing articles or contributing thought leadership within professional organizations.
• A…