Senior Chemical/Environmental Engineer or Environmental Scientist 2

Haley & Aldrich; Costa Mesa (CA); On-site; USD 105,000 - 140,000; Full time

Job summary

Haley & Aldrich seeks a Senior Chemical/Environmental Engineer or Environmental Scientist in Costa Mesa, CA. The role focuses on leading environmental projects for diverse clients, with emphasis on air quality modeling, permitting, and compliance.

Travel may be required, and a strong background in large-team project delivery is essential. The candidate will mentor staff, develop client relationships, and deliver technically rigorous reports and plans in a consulting environment.

Qualifications

• BS/BA in Environmental Engineering, Environmental Science, or related discipline; Master’s degree preferred.
• 15+ years of related work experience.
• Experience in air quality modeling using standard air quality models (e.g., AERMOD, AERSCREEN) is desirable.
• Experience preparing permit applications and air emission calculations.
• Technical report writing skills.
• Communication skills and ability to collaborate in a consulting environment.
• Strong attention to detail with analytical, judgment, and problem-solving capabilities.
• Understanding of environmental media/regulations (air, wastewater, EPCRA, tanks).
• MS Office proficiency; GIS or CAD experience a plus.

Responsibilities

• Provide technical leadership across energy, industrial, and other clients, coordinating with clients and regulators, and managing project work.
• Coach, mentor, and support staff to ensure high-quality execution of tasks and deliverables.
• Understand client needs and execute projects to achieve client goals.
• Lead environmental compliance projects, with emphasis on air dispersion modeling, permitting, and compliance.
• Coordinate with clients and regulators to support projects across the U.S.
• Prepare project deliverables including reports, plans, and specifications.

Skills

Air quality modeling

Technical report writing

Client communication

Problem solving

Education

BS in Environmental Engineering or Environmental Science

Master's degree preferred

Tools

GIS

CAD

Job description

Senior Chemical/Environmental Engineer or Environmental Scientist 2 – Costa Mesa, CA, United States (req2144)

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 Chemical/Environmental Engineer or Environmental Scientist to work in a technical 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 position located in our Costa Mesa, CA office.

DUTIES/RESPONSIBILITIES

In this position, you will:

• Support current EHS practitioners and contribute to the continued growth of our EHS practice.
• Work with energy, industrial, and other clients across the nation, providing technical leadership, coordinating with clients and regulators, managing project work, and mentoring staff.
• Coach, mentor, and support staff to facilitate knowledge transfer and ensure high-quality execution of project tasks, technical reports, and deliverables.
• Understand client needs and execute projects to achieve client goals.
• Understand Federal and state environmental regulations and to evaluate and interpret requirements as they apply to our clients.
• Lead environmental compliance projects, with special emphasis on air dispersion modeling, permitting, and compliance.
• Coordinate with clients and regulators to support projects throughout the U.S.
• Be capable of managing financial and technical aspects of projects.
• Be effective in assigning and managing work.
• Execute projects to meet technical, quality, budgetary and scheduling requirements.
• Prepare project deliverables including reports, plans, and specifications.
• Demonstrate very strong verbal communications and written skills including client deliverables and regulatory submittals.
• Demonstrate strong coaching and mentoring skills.
• Perform all work in accordance with company and client Health & Safety protocols.
• Comply with Guiding Principles and Code of Behavior articulated in our Company Charter.
• Some travel may be required.

SKILLS/EXPERIENCE

Minimum Skills and Requirements:

• Minimum B.S./B.A. degree in Environmental Engineering, Environmental Science, or related discipline. Master's degree preferred.
• 15+ years of related work experience.
• Experience in performing air quality modeling using standard air quality models (e.g., AERMOD, AERSCREEN) is desirable.
• Experience preparing permit applications and air emission calculations.
• Technical report writing skills.
• Communication skills and ability to collaborate with others in a consulting environment.
• Strong attention to detail with excellent analytical, judgment, and problem-solving capabilities.
• Understanding of common industrial activities and the relationship with various environmental media/regulations (e.g., air, wastewater, regulated waste, EPCRA, tanks).
• Working knowledge of MS Office including Word, Excel, and other standard software. GIS or CAD experience a plus.

The salary range for this position in Costa Mesa, CA is $105,000-$140,000 annually. Actual compensation will be based upon 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.

About Haley & Aldrich

Haley & Aldrich is committed to delivering the value our clients need from their capital, operations, and environmental projects. Our team of 1,000+ engineers and scientists across the United States draw inspiration from one mission: to work closely with clients as they navigate change to create safer, more robust places to live and work. Since our founding in 1957, organizations across the public and private sectors have relied on us for technical excellence and empathetic leadership that achieve results and secure a thriving tomorrow. Learn more at haleyaldrich.com.

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. We offer excellent career growth, a highly competitive total compensation plan, and a solid benefits package. Interested candidates should apply on our Careers page.

Note to external search firms: Haley& Aldrich does not accept unsolicited resumes and will not be obligated to pay a placement fee for unsolicited resumes. Please do not send resumes to Haley & Aldrich employees, Please work through a Talent Acquisition Manager.

ACCOMMODATIONS FOR APPLICANTS WITH DISABILITIES AND LIMITED ENGLISH PROFICIENCY

Haley & Aldrich, an equal opportunity employer committed to a diverse workforce. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Veterans Readjustment Act of 1974, Title I of the Americans with Disabilities Act of 1990 and pursuant to Executive Order 13166, applicants with disabilities or limited English proficiency that require accommodation in the job application process may contact 1-617-886-7400 for assistance.