Senior Environmental Scientist

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?

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Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

We believe transportation is more than movement, it's the foundation of connected, thriving communities. As part of HDR's Transportation Business Group, you'll help shape the systems that move people and goods safely, efficiently, and sustainably. From designing resilient highways and iconic bridges to advancing transit, passenger and freight rail, aviation, federal transportation ports and marine infrastructure, your work will directly support economic vitality, public safety, sustainable and resilient communities and quality of life. We bring together planners, engineers, architects, construction management staff, environmental, strategic communications, economists, management consultants and specialists across disciplines to solve complex mobility challenges with innovation, technical excellence, and a deep understanding of community needs. Whether you're modernizing aging infrastructure or pioneering next-generation transportation solutions, your contributions will help define the future of mobility. This isn't just a job, it's a chance to lead progress, drive meaningful impact, and leave a legacy of smarter, more connected transportation networks. We are all employee-owners at HDR, which is the foundation of our collaborative culture that connects employees around the world.

Primary Responsibilities

In the role of Senior Environmental Scientist/Project Manager, we'll count on you to

* Plan and direct medium- to large-size environmental planning and compliance projects for transportation, facilities, and other programs as identified

* Prepare, plan and analyze/review technical studies, permit applications, environmental planning studies, environmental assessments/impact analysis and associated permitting and compliance monitoring for transportation, infrastructure and development projects that require conformance with State/City Environmental Reviews & National Environmental Policy Act (NEPA). Experience with New England state DOT process (i.e., MEPA, CEPA) is a plus

* Research and interpret scientific literature, regulatory programs, guidance, and applications

* Collect project-related data, which may include research, conduct surveys for listed species, interviews with government agencies and clients, map reviews, field investigations for wetlands, natural resources, land use, etc.

* Work with GIS or oversee use of GIS tools

* Conduct environmental impact assessments

* Conduct field assessments, and support field investigations

* Support and manage projects which involve permitting, wetland and stream mitigation design, planning, environmental documents, etc.

* Manage or coordinate specialty sub consultants or consultant team members

* Define the level of environmental analysis required, coordinate with project team members in problem solving and solutions

* Assist in preparation for and participation in public information meetings and hearings

* Accomplish work independently and through coordinating or supervising small to large technical and professional teams from local and regional offices

* Support regional or national projects in specific areas of technical expertise

* Be closely involved in public participation and multiple agency coordination (specifically New England state DOT's)

* Take responsibility for project management, including developing and managing budgets, schedules, and quality of products

* Serve as Project Manager or Task Leader on larger projects as needed, but project management is not the sole focus of position

* Assist with business development/marketing for environmental services

* Perform other duties as needed

Preferred Qualifications

* Master's degree in environmental sciences or closely related field

* PMP certification

* Previous experience in the A/E industry desired

* Preference is given to local candidates

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Required Qualifications

• Bachelor's degree in Environment Science or closely related field
• 10 years experience in complex environmental planning/compliance projects
• Demonstrated knowledge of the NEPA process
• Experience managing large, complex EIS documents for transportation, large facility, land management, or other infrastructure projects
• Technical expertise in the design, implementation, interpretation and presentation of data for environmental studies and investigations in specialized discipline
• Proficient with MS Office
• Self-starter with excellent writing and communication skills
• Strong conceptual, organizational, problem-solving and research abilities
• Ability to work independently and as part of a team
• Staff management experience beneficial
• An attitude and commitment to being an active participant of our employee-owned culture is a must

What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees. We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position depends upon skills, experience, education and geographical location. (Stated benefits are for full-time regular positions. Temporary and part-time roles eligible for limited benefits.) {Boston, MA}: $124,992-$178,560; {Providence, RI}: $109,368 - $156,240; {Rocky Hill, CT}: $114,576 - $163,680; {Portland, ME}: $101,479 - $144,970 Primary Location: United States-Maine-Portland Other Locations: United States-New Hampshire-Bedford, United States-Massachusetts-Boston, United States-Connecticut-Rocky Hill, United States-Rhode Island-Providence Industry: Highway + Road Schedule: Full-time Employee Status: Regular BusinessClass: Environmental Sciences Job Posting: Oct 20, 2026