Air Quality Technical Consultant​/Permitting Engineer

ACHIEVE ENVIRONMENTAL is seeking a full-time Air Quality Technical Consultant / Permitting Engineer for a hybrid position in the Greater Boston area.

This is a hands-on role for an experienced air quality professional with advanced expertise in emissions calculations, AERMOD air dispersion modeling, and federal and state air quality regulations. The consultant will help clients translate environmental objectives and regulatory requirements into practical strategies that support new projects, facility modifications, operational changes, and long-term compliance.

A primary responsibility will be independently preparing accurate, complete, and technically defensible air permit applications for a variety of industrial sectors throughout the United States. This work will include developing emissions calculations, modeling protocols, AERMOD analyses, and modeling reports. The consultant will evaluate industrial processes, gather and validate operational data, select appropriate calculation methods and emission factors, characterize emission sources, develop modeling scenarios, review model inputs and outputs, interpret results, and clearly document assumptions and conclusions.

The consultant will evaluate regulatory applicability and develop permitting and compliance strategies under federal air quality requirements and state-specific programs across the United States. This requires the ability to research, interpret, and apply complex regulations and agency guidance and translate them into practical permitting, monitoring, recordkeeping, reporting, and operational requirements.

The consultant will work directly with corporate leaders, environmental teams, facility personnel, and regulatory agencies. The role will include responding to agency questions, supporting regulatory reviews and inspections, and helping clients maintain compliance after permits are issued. The consultant may also contribute to business development through client needs assessments, scope development, proposal preparation, and technical discussions.

• Develop air permitting and compliance strategies aligned with clients’ operational and business objectives.
• Evaluate federal and state air quality requirements applicable to existing operations, proposed projects, and facility modifications.
• Independently prepare and review detailed emissions calculations for complex industrial and commercial processes.
• Prepare technically complete and defensible air permit applications for facilities across the United States.
• Develop AERMOD protocols and perform air dispersion modeling for permitting, compliance demonstrations, facility planning, and other air quality evaluations.
• Develop and review source characterizations, building-downwash analyses, meteorological and terrain inputs, receptor grids, background concentrations, and modeling scenarios.
• Prepare emissions inventories, regulatory applicability analyses, compliance demonstrations, modeling reports, and other technical documentation.
• Conduct rigorous quality assurance and quality control of calculations, assumptions, modeling inputs, results, and supporting materials.
• Respond to regulatory agency comments and information requests and support clients during meetings, permit reviews, and inspections.
• Translate regulatory and permit requirements into practical compliance procedures and systems.
• Manage multiple projects and communicate technical findings clearly to clients, regulators, and other stakeholders.

• Master’s degree in Environmental Engineering, Chemical Engineering, Chemistry, Physics, or a closely related technical discipline.
• At least five years of directly relevant professional experience in air quality consulting, permitting, emissions…