Principal Consultant, Air Quality - Engineering / 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.

Why This Role Matters

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, 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.

What Your Impact Is

• 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.

What You’ll Bring

Required:

• 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.

Preferred:

• 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).

Key Responsibilities

• 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.

For the Principal Consultant, Air Quality - Engineering / Scientist position, the anticipated annual base pay is $122,612- $166,230 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.

Who We Are:

As the largest global pure play sustainability consultancy, we partner with the world’s leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations.

At ERM we know that creating a diverse, equitable and inclusive work environment is an essential part of making our company a great place to build a career. We also see our diversity as a strength that helps us create better solutions for our clients. Our diverse team of world-class experts supports clients across the breadth of their organizations to operationalize sustainability, underpinned by our deep technical expertise in addressing their environmental, health, safety, risk and social issues. We call this capability our “boots to boardroom” approach for its comprehensive service model that allows ERM to develop strategic and technical solutions that advance objectives on the ground or at the executive level.

Please submit your resume and brief cover letter. 

ERM does not accept recruiting agency resumes. Please do not forward resumes to our jobs alias, ERM employees or any other company location. ERM is not responsible for any fees related to unsolicited resumes.

ERM is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender, sexual orientation, gender identity, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. 

Thank you for your interest in ERM!

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