
Senior or Principal Water Resources Engineer
Acton, MA · HybridFull-time$135–219K/yrPosted 2w agoStill listed today
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
Geosyntec Consultants seeks a Senior or Principal Water Resources Engineer for its Northeast Operations in Acton or Hamilton, Massachusetts, with onsite or hybrid options. The role involves leading complex water resources projects, including stormwater management, flood mitigation, hydrologic and hydraulic analysis, stream restoration, permitting, and regulatory support. The engineer will manage project assignments and contribute to business development, staff development, and the firm’s industry visibility.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Overview
Geosyntec has an exciting opportunity for a Senior or Principal Water Resources Engineer to join our Northeast Operations in Acton, Massachusetts or Hamilton, Massachusetts, with onsite or hybrid working options. The position will work on and lead complex projects involving innovative urban stormwater management and natural surface water systems, including sustainable green infrastructure planning studies, urban stormwater infrastructure design, flood mitigation practices, hydrologic & hydraulic analysis (including floodplain mapping), stream restoration, surface water, watershed, stormwater runoff monitoring/modeling, industrial and construction site NPDES permitting support and inspections, and Clean Water Act regulatory support.
Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.
We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.
To Learn More Visit: http://www.geosyntec.com/careers/
Essential Duties and Responsibilities
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Supporting projects involving municipal separate storm sewer system (MS4) compliance, watershed planning, stormwater best management practice design, sediment assessment and remediation, and environmental permitting;
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Performing hydrologic and hydraulic calculations;
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Designing stormwater best management practices;
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Preparing technical reports;
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Preparing local, state, and federal permit submittals pertaining to surface water and land use regulations;
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Preparing proposals for new assignments;
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Providing litigation support services, including those related to Clean Water Act compliance;
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Task and project-level responsibility for scoping, performing, managing and delivering multiple concurrent project assignments;
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Consistent with our sell-manage-do business model, playing a key role in lead generation, business development, staff development, and mentoring;
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Helping to broaden our reputation via publishing and visibility at prominent industry conferences; and
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Driving personal, company, and rental vehicles to client or company project or office sites, and other business locations, as needed.
Education and Licensure
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Bachelor's degree in environmental or civil engineering with an emphasis on water resources, or a closely related field of study. (required)
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Advanced degree in a related field of study. (desirable)
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Professional registration (i.e., P.E.) (required)
Skills, Experience and Qualifications
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At least 8 years (10+ preferred) of relevant experience, or an equivalent combination of education and experience. (required)
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Demonstrable experience of lead generation, proposal preparation and business development (required)
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Ability to succeed in a fast-paced consulting environment, handling multiple project assignments, meeting strict deadlines, and traveling to client facilities as needed. (required)
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Excellent writing and communication skills. (required)
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Regular field work, attendance at conferences, and overnight travel. (required)
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Experience with modeling and design software tools such as EPA-SWMM, HEC-HMS, HEC-RAS, AutoCAD, and ArcGIS. (preferred)
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Health & Safety training, medical monitoring, and client-driven drug and background testing may be required.
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Valid U.S. driver’s license and a satisfactory driving record for business travel. (required)
This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntec’s total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location.
- Minimum Salary: $134,970 /year / Maximum Salary: $218,560 /year (Acton, MA, Hamilton, MA)
We offer a comprehensive benefits package including, paid holidays, vacation, sick, and personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible employees.
How this job compares
Set against the 5,112 open Civil Engineer jobs on Olive Jobs, counted November 10, 2026.
- Pay
- This posting$135–219K/yr
- Massachusetts median$100–160K/yr58 salary ranges
- US median$91–142K/yr2,844 salary ranges
This range's midpoint, $177K, is 36% above the Massachusetts median midpoint ($130K) — in the top quarter of Civil Engineer salary ranges in Massachusetts.
- Openings
- Olive Jobs lists 85 open Civil Engineer jobs in Massachusetts and 5,112 across the US. 4% of them nationwide are listed as remote or flexible.
- Experience
- This posting asks for at least 8 years of experience; Civil Engineer postings that state a minimum ask for 6 years at the median (4,158 postings).
- Education
- This posting asks for a bachelor's degree; 3,869 of the 5,112 open Civil Engineer jobs (76%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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