Demo

Principal Air Quality Engineer/ Scientist

SLR Consulting
Irvine, CA Full Time
POSTED ON 1/10/2026
AVAILABLE BEFORE 2/17/2026
Breath new life into your career!

Are you passionate about clean air and a healthier environment? Join our Air Quality environmental consulting team in sunny Irvine, California! Work where innovation meets sustainability, helping clients navigate air quality regulations and drive real environmental impact.

Here, you’ll collaborate with top industry experts to tackle complex challenges in a fast-growing organization, while enjoying everything SoCal has to offer.

We are SLR Consulting (US), a 500 coast-to-coast team of advisory, environmental/engineering, and regulatory professionals. We deliver environmental and sustainability services to our clients through the integration of over 30 advisory, technical environmental, and engineering disciplines to help clients address some of their most complex challenges around sustainability. We are Making Sustainability Happen.

As our new principal-level air quality Engineer or Scientist, you will play an important role on a team whose work is essential to achieving this goal.

Working @ SLR

With us, there is no doubt you’ll grow your subject-matter expertise and industry knowledge. We care about investing in our employees for the long-run, and if you ask our team, they’ll tell you that’s just one of the many benefits of working here. We want to be a place where you can experience career growth and satisfaction for many years.

Here’s what else you’ll enjoy as part of our team:

  • Competitive total compensation package including medical, dental, orthodontia, vision, FSA/HSA, generous PTO accrual, 10 paid holidays, 401(k) retirement account with company matching program, company paid life insurance, short & long term disability insurance, and employee assistance program.
  • The salary range for this position is $140,000 - $160,000. Final agreed upon compensation will be commensurate with individual education, professional designation, experience, internal parity, and location.
  • Full-time, permanent role with opportunities for professional growth and advancement

Responsibilities

  • Perform emissions estimate calculations to aid in permitting, emissions inventories, and annual compliance reporting
  • Review State, Federal, and Local regulations for applicability determinations and compliance tasking
  • Provide compliance assistance for clients including data management, document review, and development of compliance tools
  • Work with clients from a variety of industries in various locations inside and outside of the United States
  • Travel to clients’ facilities for inspections and document review
  • Work within quality/budget/schedule expectations and scope-specific assignments

Qualifications/Education/Memberships

  • Bachelor of Science degree in Engineering, Environmental Science, Chemistry, or related scientific field
  • 15 years of hands-on related work experience
  • Knowledge of California and federal environmental regulations, such as Title V, PSD, GHG Reporting, NSPS, NESHAP, RMP
  • Experience with air compliance and permitting
  • Experience with reporting programs such as air emissions inventory, greenhouse gases, annual/semi-annual air permit reports, annual air compliance certifications, monthly air permit reports
  • Understanding of industrial operations and combustion equipment
  • Effective written/verbal communication and organization/analytical skills
  • Proficient with Microsoft Office suite of software
  • Possess valid driver’s license
  • Ability to travel by airplane and car, including overnight travel
  • Preferred experience with:
  • air dispersion modeling (AERSCREEN, AERMOD)
  • MOVES (or MOBILE)
  • AutoCAD or GIS
  • oil and gas, power generation, mining, or ports
  • technical writing

Diversity, equity, and inclusion (DE&I) are at the core of who we are and want to be.

SLR is proud to be an Equal Employment Opportunity / Affirmative Action Employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, gender, sexual orientation, civil union status, age, citizenship, marital status, disability, gender identity or expression, genetic information, or veteran status.  

At SLR, we embrace diverse cultures, perspectives, skills, and experiences within and outside our organization. We respect and celebrate differences and want to ensure that we continuously strive to build a place where everyone feels included and is encouraged to be their authentic self. 

We are committed to these values, and our SLR Culture & Diversity Team works to actively promote diversity, equity, and inclusion across our people and talent processes, operations, and client work around the world. If you have a disability and need reasonable accommodations at any point in the application or interview process, please contact us at careers-us@slrconsulting.com

Salary : $140,000 - $160,000

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