Environmental Scientist – Permitting, NEPA, Infrastructure

InterAgency Inc.

Environmental Scientist managing permits, NEPA documentation, and compliance for InterAgency’s resilient infrastructure projects. Supporting environmental analyses, stormwater programs, and natural resource protection across the Washington, D.C.

Posted 8/12/2026full-timeWashington, District of Columbia • District of Columbia, Virginia, Washington • 🇺🇸 United StatesMid-LevelSenior💰 $75,000 - $105,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in environmental permitting, regulatory compliance, and NEPA documentation, with strong capabilities in project management and technical proposal development. Proficient in GIS software and experienced in mentoring junior staff while ensuring adherence to environmental regulations.

Highest-signal resume keywords

Environmental PermittingNEPA DocumentationClean Water Act KnowledgeGIS Software ProficiencyProfessional Wetland Scientist Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Environmental ConsultingRegulatory ComplianceErosion and Sediment ControlStormwater ManagementPhase I Environmental Site AssessmentsEnvironmental Management PlansTechnical Proposal DevelopmentField WorkEnvironmental AnalysisPermit Application Preparation

Soft Skills

Excellent CommunicationTeam CollaborationProject ManagementMentoring

Tools & Technologies

GIS SoftwareSpatial Data Analysis Tools

Certifications & Qualifications

Professional Wetland ScientistISA Certified Arborist

Industry Keywords

National Environmental Policy ActEndangered Species ActNational Historic Preservation ActEnvironmental Review ProcessesConstruction Site Safety

About the role

Key responsibilities & impact

Prepare and manage federal, state, and local environmental permit applications, including coordination through agency review and approval processes
Assist in preparing National Environmental Policy Act (NEPA) documentation and supporting environmental analyses
Advise clients on environmental permitting strategies and regulatory requirements through desktop assessments and detailed permit matrices
Collaborate with project managers to ensure technical accuracy, completeness, and alignment with project scope, budget, schedule, and client expectations
Support development of technical proposals and client deliverables
Prepare Environmental Management Plans and related compliance documentation
Support administration and compliance activities related to Erosion and Sediment Control (ESC) and Stormwater Management (SWM) programs
Mentor junior environmental staff through technical guidance and project collaboration
Work alongside senior environmental staff on resiliency and infrastructure projects throughout the Washington, D.C. metropolitan area
Complete field work at active construction sites as needed

Requirements

What you’ll need

Bachelor’s degree in Environmental Science or related field
3–7 years of environmental consulting experience
Experience with environmental permitting and regulatory compliance
Proven knowledge of Clean Water Act and related regulations
Knowledge of §7 of the Endangered Species Act and §106 of the National Historic Preservation Act
Excellent communication skills and ability to work as part of a team
Ability to manage multiple projects under tight deadlines
Professional Wetland Scientist (PWS) or Professional Wetland Delineator (PWD) certification preferred
ISA Certified Arborist credential preferred
Experience supporting NEPA documentation and environmental review processes
Experience conducting or supporting Phase I Environmental Site Assessments (ESAs)
Proficiency with GIS software and spatial data analysis tools
Must be able to perform essential functions with or without reasonable accommodation
Must be able to walk on uneven terrain and work outdoors in varying weather conditions
Must be able to stand and walk for extended periods, occasionally climb ladders or slopes, and lift or carry up to 25 pounds
Required to wear personal protective equipment (PPE) as needed on construction sites
Must be eligible to work in the U.S. without sponsorship

Benefits

Comp & perks

Medical, dental, and vision insurance
Retirement plan with 401(k) Safe Harbor employer match
Paid Time Off: up to 20 days per year, prorated during the first year of employment
Life insurance and disability insurance
Flexible spending accounts
Paid holidays and paid leave benefits