Senior Environmental Scientist (NEPA)
Michael Baker International
Philadelphia, PA · Posted September 4, 2026
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November 2026
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AI use among environmental scientists and specialists, including health is little observed so far. Measured exposure for environmental scientists and specialists, including health: 5% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
CIVIL & ENVIRONMENTAL PRACTICE
Michael Baker International’s civil engineering professionals manage and staff active projects in over 40 countries on five continents. Services are provided for a broad range of projects and capabilities, including highways, airports, bridges, rail and transit systems, government and commercial facilities, water and wastewater infrastructure, oil and gas infrastructure, and commercial/urban development. Our fields of expertise span all areas of civil engineering and include an extensive variety of specialty disciplines, such as environmental compliance and restoration, coastal engineering, urban development, and mining.
What We’re Looking For:
Michael Baker International is seeking a Senior Environmental Scientist to join our Philadelphia Operations team in Fort Washington, PA , supporting transportation projects . This role focuses on delivering high-quality NEPA documentation and Chapter 105 permitting support while managing technical tasks within established schedules and budgets.
The ideal candidate is a mid-level NEPA specialist with a solid foundation across key environmental disciplines, including ecology, water quality, wetlands, hazardous materials, and socioeconomics/land use. Responsibilities include supporting environmental technical studies and field investigations such as wetland delineations, threatened and endangered species coordination, water quality sampling, and hazardous materials assessments. The role also involves data processing, documentation, and preparation of clear, defensible technical reports.
A Hybrid working arrangement is available within the Fort Washington/Philadelphia, PA area
PLEASE NOTE THAT WE ARE UNABLE TO SPONSOR OR TAKE OVER SPONSORSHIP OF AN EMPLOYMENT VISA FOR THIS OPPORTUNITY AT THIS TIME.
What You’ll Do:
In the office you will:
Prepare and manage environmental documentation, including NEPA reports (BRPA, CE‑1a, CE‑1b, CE‑2), Section 4(f), Section 2002, and Section 6(f).
Coordinate agency communications, including mail‑merged coordination letters and participation in agency and public meetings
Plan, prepare, and support permitting efforts for applicable waterways projects
Manage and maintain GIS files to support project development
Collaborate with engineering staff to review roadway and bridge plans and support project coordination
Participate in project status and working meetings to support ongoing project delivery
Assist with proposal development, including research, site visits, technical scopes of work, and pricing support
In the field you will:
Conduct wetland delineations, functions and values assessments, and stream assessments
Support environmental field investigations, including groundwater sampling, surface water sampling, and soil sampling
Document threatened and endangered species observations in accordance with regulatory requirements
Assist with Phase I, II, and III Environmental Site Assessments
Prepare accurate field documentation, including notes, mapping, photographs, and reports
Bachelor’s degree in Geology, Biology, Environmental Science, Environmental Engineering, or a related field
What You Need to Succeed:
Minimum 10 years of experience working for or with PennDOT or a similar DOT
Must possess NEPA experience
Demonstrated experience preparing Pennsylvania environmental documents, including Categorical Exclusion Evaluations (CEEs), Environmental Assessments (EAs), Environmental Documents (EDs), Environmental Impact Statements (EISs), and supporting technical reports for transportation and multimodal projects
Working knowledge and professional experience with Section 4(f)/Section 2002 resource identification, assessment, and reporting, as well as Section 6(f) LWCF documentation
Extensive experience preparing and obtaining environmental permits, including PADEP Chapter 105 Water Obstruction and Encroachment Permits and General Permits, PADEP Chapter 105 / USACE Section 404 Joint Permit Applications (JPA), and PADEP Chapter 102 E&S Plans and NPDES permits for construction stormwater
Proficiency with Microsoft Office Suite (Word, Excel, Access, PowerPoint, Outlook)
Experience using PennDOT ECMS Expert Systems, including CEES, and Keystone Environmental ePermitting Systems (KEES)
Experience with PNDI environmental reviews and threatened and endangered species coordination
Working knowledge of USFWS IPaC, Bluebeam Revu, and ArcGIS
Professional Wetland Scientist (PWS) certification preferred
OSHA Hazwoper training preferred
Valid driver’s license required
Compensation:
The approximate compensation range for this position is $97,948 - $141,412 per year. This compensation range is a good faith estimate for the position at the time of posting. Actual compensation is dependent upon factors such as education, qualifications, experience, skillset, and physical work location.
Why Choose Us:
Medical, dental, vision insurance
401k Retirement Plan
Health Savings Account (HSA)
Flexible Spending Account (FSA)
Life, AD&D, short-term, and long-term disability
Professional and personal development
Generous paid time off
Commuter and wellness benefits
#LI-TM1
#LI-HYBRID
Michael Baker International, a leading provider of engineering and consulting services, including design, planning, architectural, environmental, construction and program management, has been solving some of the world’s most complex infrastructure challenges for more than 85 years with a legacy of expertise, experience, innovation and integrity.
Based in Pittsburgh and with over 100 offices nationwide, we partner with clients on everything from roads, bridges, tunnels, mass transit, and airports, to water treatment plants, arctic oil pipelines, environmental restoration and specialized overseas construction. We serve as a trusted adviser to the communities we serve, making them safer, more accessible, more sustainable and more prosperous.
We provide visionary leadership in facilitating transformational change for our clients. Our work delivers differentiating innovations and dedicated experts who challenge the status quo and share a world of diverse experience and an impassioned entrepreneurial spirit. We deliver quality of life.
We Make a Difference.
Michael Baker International is proud to be an Equal Opportunity Employer. Michael Baker International provides equal employment opportunity for all persons, in all facets of employment. Michael Baker International maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks. We encourage all qualified applicants to apply for any open position for which they feel they are qualified and all will receive consideration for employment without regard to race, color, religion, creed, age, gender, sexual orientation, gender identity, national origin, citizenship status, marital status, familial status, pregnancy or childbirth, genetic information, disability, protected veteran status, status with regard to public assistance, or membership or activity in a local human rights commission, or any other legally protected status.
EEO is the Law. Applicants to and employees of Michael Baker International are protected under Federal law from discrimination.
*It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
*There is no current application deadline. Michael Baker will continue to accept applications on an ongoing basis until the position is filled or no longer needed.