Senior Consultant, Air Quality Compliance Engineering or Science - Irvine, California

About this role

Ready to take your expertise to the next level? Join ERM , the world’s leading sustainability consultancy, and help shape the future of environmental compliance for some of the most innovative companies in Technology, Media & Telecom, Manufacturing, and Power sectors. If you thrive on solving complex regulatory challenges and want to work alongside global experts, this is your opportunity.

Why This Role Matters Air quality compliance is critical for businesses navigating evolving environmental regulations. As a Senior Consultant, Air Quality Compliance Engineering or Science in Irvine, California, you’ll be the trusted advisor helping clients achieve compliance, reduce risk, and meet sustainability goals—all while contributing to ERM’s mission of shaping a cleaner, safer future.

What Your Impact Is • Drive air quality compliance strategies for diverse industrial clients across California and nationwide.

• Interact with local regulators and clients to steward permit application review and issuance.

• Support multi-disciplinary permitting and compliance programs that influence major business decisions.

• Collaborate with ERM’s global network of experts to deliver innovative solutions and best practices.

• Build strong client relationships that lead to repeat business and long-term partnerships.

What You’ll Bring Required: • Bachelor’s degree in engineering (chemical, environmental, civil, or mechanical engineering), environmental science, or related discipline.

• 3+ years of relevant experience.

• Working knowledge of local, state, and federal air programs (Title V, RECLAIM facilities).

• Direct consulting or industry experience in the environmental field with working regulatory knowledge of local air districts (SCAQMD and other local air districts), state and federal programs, Title V and RECLAIM facilities.

• Ability to multi-task, maintain flexibility, travel, and work independently with minimal supervision.

• Ability to read, understand, and apply environmental regulations and agency guidance documents.

• Strong MS Office computer skills, with an advanced understanding of PowerPoint and Excel required.

• Ability to thrive in a fast-paced consulting environment, handling multiple project assignments, meeting strict deadlines, and traveling to clients as needed.

• Apply a collaborative approach and enjoy teaming with colleagues around the world.

• Positive and enthusiastic attitude; motivated to deliver outstanding client service and grow the business.

• Excellent communicator—both written and verbal—with technical writing experience.

• Organized and self-driven with strong time management.

• Collaborative team player with a positive, client-focused attitude and a passion for growth.

• 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.

Preferred: • Experience working with agencies like local Air Quality Management Districts, California Air Resources Board, and other Southwest regulators.

• Strong technical skills in emissions inventory, permitting, and compliance evaluations; familiarity with pollution controls and equipment systems is a plus.

• Knowledge of water, wastewater, and waste programs is a plus.

• Field experience with data collection, air compliance monitoring, assessments, and permitting; experience with stormwater inspections, technical writing, SWPPP updates, HMBP prep, or wastewater permit applications a plus.

• Skilled at interpreting environmental regulations and guidance documents.

• Analytical and problem-solving mindset with solid computational skills.

• Proven success managing projects and building lasting client relationships.

• Advanced MS Office skills, especially PowerPoint and Excel.

Key Responsibilities • Prepare emission inventories, permit applications, and compliance reports.

• Conduct regulatory applicability evaluations and implement compliance management systems.

• Perform fieldwork, including air compliance assessments and multi-media inspections.

• Liaise with regulators and clients to ensure timely permit approvals.

• Promote a culture of safety, collaboration, and excellence across all projects.

For the Senior Consultant, Air Quality Compliance Engineering or Science position, the anticipated annual base pay is $87,240 - $108,285 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.

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

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

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