Sr Environmental Compliance Lead

The Opportunity

Tetra Tech is adding a Sr Environmental Compliance Lead to our environmental team based in Collinsville, IL.

We seek a motivated and entrepreneurial Senior Environmental Compliance Lead to help re‑establish and grow our environmental compliance services in the Midwest. This hands‑on opportunity is for an experienced professional who enjoys both technical delivery and client development and wants to play a key role in expanding a growing service line within an established office.

• Help grow environmental compliance services by developing new client relationships and expanding work within existing accounts.
• Build trust with clients through responsive, practical advisory support and high‑quality service delivery.
• Collaborate with office leadership and related technical teams to identify cross‑selling opportunities and introduce environmental services to current clients.
• Support the development of a sustainable environmental compliance practice in the Midwest.

• Lead and support environmental compliance projects in areas such as air quality, water/wastewater, stormwater, waste management/RCRA, and EHS compliance.
• Interpret and apply federal, state, and local environmental regulations.
• Prepare permits, compliance reports, submittals, and related technical deliverables.
• Manage multiple client engagements while balancing technical work, client communication, and business development responsibilities.
• Support inspections, audits, regulatory interactions, and development of practical tools, templates, and processes that improve efficiency and consistency.

• Work closely with office leadership and technical staff to strengthen and grow environmental service offerings.
• Contribute to a collaborative, client‑focused culture.
• Mentor junior staff as the practice expands and help build internal capability over time.

• Bachelor’s degree in environmental science, environmental engineering, or a related field.
• 10+ years of progressive experience in environmental compliance, permitting, regulatory support, or project management, or equivalent experience demonstrating strong technical leadership, client relationship development, and independent project execution.
• Experience in one or more core environmental compliance areas, such as air quality, water/wastewater or stormwater, waste management/RCRA, or EHS compliance and auditing.
• Strong working knowledge of federal and state environmental regulations.
• Ability to work independently with minimal oversight.
• Strong communication, relationship‑building, and client‑facing skills.
• Demonstrated ability to balance technical delivery with business development in a professional services environment.
• Experience developing new client relationships or expanding work within existing accounts.

• Professional certifications such as PE, CHMM, CEP, CIH, or CSP; PMP is a plus.
• Experience supporting industrial, manufacturing, energy, or commercial clients.
• Familiarity with building processes, templates, or scalable tools to support practice growth.
• Existing regional network or established client relationships.

This position requires the candidate to be a U.S. Citizen.

Background Check:
If this position requires a CAC card, CUI Enclave Access and/or a Security Clearance, a background check will be completed.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Ability to maintain a valid driver's license with an acceptable driving record.

• High level of autonomy with flexibility to manage workload.
• Occasional regional travel and site visits.
• Ability to collaborate and work within a diverse, cross‑functional team dynamic including office‑based and remote employees.
• Ability to support multiple projects and work on several tasks concurrently.

• Fluency in English…