Clean Air Act Engineer

Sigma Earth; Northern (KY); Hybrid; USD 85,000 - 120,000; Full time

Job summary

Sigma Earth in Kentucky seeks a seasoned Environmental Permitting Engineer to prepare Clean Air permits (Minor Source, Title V, PSD, major nonattainment) and ensure alignment with SIP and EPA requirements.

You will review permit applications from state and local agencies, draft BA​CT/LAER analyses, mentor junior staff, and manage multiple projects while communicating clearly with clients and internal stakeholders, delivering thorough, client-ready reports.

Qualifications

• Bachelor's or master's degree in engineering with environmental emphasis.
• 5+ years applying Clean Air Act regulations and permitting processes.
• Experience drafting or reviewing permit applications.
• Strong written and verbal communication for clients and stakeholders.
• Proficiency in Excel and Word for data and reports.

Responsibilities

• Prepare Clean Air permits (Minor Source, Title V, PSD, major nonattainment).
• Ensure permits align with SIP, EPA regulations, policies, and statutes.
• Review permits proposed by state and local agencies for compliance including determinations, emission calculations, monitoring requirements, and control technologies.
• Draft and assess BA​CT and LAER analyses.
• Review draft regulations for consistency with EPA requirements.
• Research alternative compliance approaches by comparing state rules and EPA requirements.
• Mentor and guide junior staff members.
• Manage multiple projects and small project teams.
• Communicate effectively with clients and internal stakeholders.
• Prepare clear, detailed technical reports and documents.

Skills

CAA knowledge & permitting

Regulatory compliance

Client communication

Project management

Education

B.S. or M.S. in Engineering (Civil/Mechanical/Chemical/Environmental)

Tools

Microsoft Excel

Microsoft Word

Job description

Job Description

• Prepare Clean Air permits, including minor source, Title V, PSD, and major nonattainment permits.
• Ensure permits align with SIP-approved rules, EPA regulations, policies, and relevant statutes.
• Review permits proposed by state and local agencies for regulatory and policy compliance, including applicability determinations, potential-to-emit calculations, monitoring requirements, and control technologies.
• Draft and assess control technology evaluations, including BACT and LAER analyses.
• Review draft regulations to confirm consistency with EPA requirements.
• Research alternative compliance approaches by comparing similar state rules and EPA regulatory requirements.
• Mentor and guide junior staff members.
• Manage multiple projects and small project teams at the same time.
• Communicate effectively with clients and internal stakeholders.
• Prepare clear, detailed technical reports and documents.

Qualifications and Skills

• B.S. or M.S. in Engineering, preferably Civil, Mechanical, Chemical, or Environmental Engineering.
• Strong understanding of Clean Air Act requirements and permitting regulations.
• Minimum 5 years of experience applying Clean Air Act regulations, including drafting or reviewing permits and permit applications.
• Proficiency in Microsoft Excel and Word.
• Strong written and verbal communication skills, with the ability to present findings clearly to different stakeholders.
• Excellent time management skills, with the ability to handle multiple projects, meet tight deadlines, and deliver high-quality client-ready work.