Senior Air Quality & Permitting Strategy Consultant

Sigma Earth; Louisiana, Northern (MO, KY); Hybrid; USD 110,000 - 170,000; Full time

Job summary

Sigma Earth is seeking a senior air quality professional to lead strategic permitting reviews, permit applications, and compliance programs for data center and technology clients facing complex regulatory challenges. You will collaborate with clients to understand operations and craft permitting strategies that balance compliance with operating flexibility.

The role requires delivering projects on scope, budget, and schedule, serving as a technical resource for NSR, PSD, Title V, MACT, and state

Qualifications

• Bachelor’s or master’s degree in chemical, environmental, or mechanical engineering, or related field.
• At least 4 years of experience in air quality compliance and permitting.
• Experience managing Clean Air Act programs such as Title V, NSR, and MACT.
• Proven ability to manage multiple air quality projects successfully.
• Experience developing client relationships that result in repeat business.
• Technology sector experience is preferred.
• Direct experience supporting data center sites is a plus.
• Strong communication, interpersonal, and analytical skills.
• Experience writing detailed technical reports.
• Experience working with multiple permitting agencies across different states and local jurisdictions.

Responsibilities

• Lead strategic air permitting reviews, permit applications, and compliance programs for data center and technology clients with complex technical and regulatory issues.
• Work closely with clients to understand operations and create permitting and compliance strategies that support maximum operating flexibility.
• Deliver projects in line with client expectations for scope, budget, schedule, and quality.
• Serve as a technical resource for air quality compliance and permitting matters, including regulatory analyses of facility operations.
• Prepare major and minor source air permit applications under NSR, PSD, Title V, and state-level air regulations.
• Support NESHAP MACT compliance programs.
• Coordinate with local regulatory agencies to move permit applications through review and approval.
• Build and maintain strong client relationships that lead to repeat business and growth in the Air Quality practice.
• Prepare technical proposals and contribute to business development efforts for both existing clients and new leads.
• Leverage client relationships and technical excellence to strengthen ERM’s market presence and expand business opportunities.
• Manage project teams effectively, including teams spread across multiple ERM offices.
• Delegate work appropriately and provide mentorship to junior staff.

Skills

Air quality

Permitting

Client relations

Project management

Regulatory analysis

Mentorship

Technical reporting

Multi-state coordination

Education

Bachelor’s or Master’s degree in chemical, environmental, or mechanical engineering, or related field

Job description

Sigma Earth is seeking a senior air quality professional to lead strategic permitting reviews, permit applications, and compliance programs for data center and technology clients facing complex regulatory challenges. You will collaborate with clients to understand operations and craft permitting strategies that balance compliance with operating flexibility.

The role requires delivering projects on scope, budget, and schedule, serving as a technical resource for NSR, PSD, Title V, MACT, and state