Principal Consultant, Environmental Air Quality Engineering or Scientist

Are you a seasoned air quality expert ready to lead transformative projects and shape the future of environmental consulting? At ERM
, we’re not just solving compliance challenges—we’re driving innovation for some of the world’s most dynamic industries. If you’re looking for a senior-level role where your expertise and leadership will make a global impact, this is your opportunity.

ERM’s Air Quality Service Area is one of the largest and fastest-growing in the industry, generating over $50M annually and delivering cutting‑edge solutions for climate change, permitting, and compliance. As a Principal Consultant, Environmental Air Quality Engineering or Scientist in Irvine, CA or Denver, CO, you’ll play a pivotal role in advancing ERM’s strategy, leading high‑profile projects, and expanding our presence in key sectors like manufacturing, technology, oil & gas, and chemicals.

• Drive strategic growth of ERM’s Air Quality Service Area across North America.
• Lead complex air permitting and compliance programs for major industrial clients.
• Build and nurture client relationships that result in repeat business and long‑term partnerships.
• Mentor and develop the next generation of air quality professionals.
• Collaborate globally to deliver innovative solutions that address climate change and regulatory challenges.

• Bachelor’s degree in Chemical, Environmental, or Mechanical Engineering, Environmental Science, or related field (or equivalent experience).
• 6+ years of experience in air quality consulting and regulatory compliance.
• Proven expertise in air permitting and climate change strategies.
• Strong track record as a “seller/doer,” winning and delivering large, strategic projects.
• Deep understanding of local, state, and federal air regulations.
• Established relationships within manufacturing, technology, oil & gas, or chemical sectors.
• Exceptional leadership, communication, and mentoring skills.
• Driver's License
  
  Required:
  
  This position requires a valid driver's license and/or the ability to operate a company vehicle due to the nature of job duties, which include travel to various client locations across a large geographical area.
• This position is not eligible for immigration sponsorship.

• 8+ years of consulting experience with advanced technical competence in Title V, PSD, NSR, BACT, and MACT.
• Professional certifications (P.E., CSP, CHMM, or similar).
• Familiarity with stack testing, ambient air measurements, and air dispersion modeling.
• Expertise in related compliance areas (e.g., stormwater, SPCC, CEQA permitting, multi‑media auditing).

• Develop and implement strategic business plans to grow ERM’s air quality services.
• Serve as a senior technical expert for permitting and compliance programs.
• Manage project deliverables, budgets, and schedules while ensuring client satisfaction.
• Expand ERM’s market share through technical excellence and business development.
• Mentor junior and mid‑level staff and foster a collaborative team culture.
• Support global initiatives and cross‑sell ERM’s diverse service offerings.

Accepting applications on an ongoing basis.

For the Principal Consultant, Environmental Air Quality Engineering or Scientist position, the anticipated annual base pay is $127,648- $163,088 USD
. Actual pay will depend on factors such as education, experience, skills, location, performance, and business needs. In some cases, pay may fall outside this range. This role may be eligible for bonus pay (casual and fixed term/flex force employees are not bonus eligible).

We offer a comprehensive benefits package, including paid time off, parental leave, medical, dental, vision, life, disability, AD&D insurance, 401(k) or RRSP/DPSP, and other applicable benefits to eligible employees.

Bonuses, commissions, and other forms of additional compensation are not guaranteed and subject to the sole discretion of ERM and its policies and procedures.

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