Hydrologist I (MA/NH)

Weston & Sampson; Reading (MA); Hybrid; USD 54,000 - 68,000; Full time

Job summary

Weston & Sampson is seeking an entry-level Hydrologist in its Water discipline for Massachusetts or New Hampshire offices. You will perform surface water analyses, hydrologic/hydraulic modeling, and prepare LOMR applications with HydroCAD, HEC-HMS, HEC-RAS, and SWMM.

The role requires a BS in civil/environmental engineering (MS a plus) and a willingness to travel regionally. The team collaborates across offices and emphasizes strong communication and field data collection.

Qualifications

• BS in Civil or Environmental Engineering or related field is required.
• MS degree is a plus.
• EIT or ability to pass the exam within six months is preferred.
• Experience with hydrologic and hydraulic modeling is preferred.
• GIS analyses and mapping experience is required.

Responsibilities

• Conduct analyses and computer-aided evaluations of surface water systems.
• Model and support design of stormwater BMPs, green infrastructure, and LID projects.
• Prepare Letter of Map Revision applications.
• Become proficient with HydroCAD, HEC-HMS, HEC-RAS, and PCSWMM.
• Work independently and communicate results to a multidisciplinary team.
• Prepare written and verbal summaries for technical and lay audiences.
• Conduct field work to gather measurements and observations.
• Travel to client meetings and project sites within New England and the mid-Atlantic and Carolinas.

Skills

GIS analyses

Field investigations

Hydrologic modeling

Education

BS in Civil or Environmental Engineering

MS in Civil or Environmental Engineering

Engineer-in-Training (EIT) or ability to pass exam within the first six months

Tools

HydroCAD

HEC-HMS

HEC-RAS

PCSWMM

Job description

What you'll do:

• Conduct analyses and computer-aided evaluations of surface water systems, including watersheds, rivers, and lakes.


• Model and support design of stormwater BMPs, green infrastructure, and LID projects.


• Prepare Letter of Map Revision applications.


• Become proficient with software such as HydroCAD, HEC-HMS, HEC-RAS, and PCSWMM.


• Work independently and effectively communicating results to a multidisciplinary team.


• Prepare clear and concise written and verbal summaries of technical material for both technical and lay audiences.


• Conduct field work to gather measurements, survey, and other observations to support surface water model development.


• Some travel will be required to client meetings and project sites within New England and the mid-Atlantic and Carolinas.

What you'll bring:

• BS in Civil or Environmental Engineering, Hydrology, Hydrogeology, or similar degree is required.


• MS in Civil or Environmental Engineering, Hydrology, Hydrogeology, or similar degree is a plus.


• Engineer-in-Training (EIT) or ability to pass exam within the first six months of employment is preferred.


• Experience with hydrologic (HydroCAD, HEC-HMS) and hydraulic modeling (HEC-RAS, SWMM) is preferred


• Experience with GIS analyses and mapping is required.


• Experience modeling and designing stormwater BMPs is a plus.


• Experience modeling and designing green infrastructure and LID projects is a plus.


• Successful candidates will have 0 to 5 years of experience and have a general familiarity with surface water hydrology and hydraulics.


• Must have an interest in the evaluation and computer-aided modeling of surface water systems, including watersheds, rivers, and lakes.


• Must be willing to collaborate remotely with coworkers in other office locations.


• Excellent written and verbal communication skills and organizational/time management skills are required.


• Must be willing/able to participate in field investigations. Some travel will be required to client meetings and project sites within New England. Valid driver's license is required.

Salary Range $54,000 - $68,000 Based on Education

We offer:

• Meaningful work: Contribute to projects that protect and enhance the natural and built environments


• Ownership mindset: As an employee-owner, your work directly contributes to our shared success


• Growth opportunities: Build your career through mentorship, diverse projects, and clear advancement pathways


• Flexible workplace: Work in a way that supports your life and not the other way around


• Strong culture: Join a team that values collaboration, inclusion, and recognition

Our Commitment to Inclusion, Diversity, Equity & Access (IDEA)

We believe diverse perspectives make us stronger. Weston & Sampson is committed to fostering a culture of belonging where all employees feel valued, respected, and empowered. We actively support IDEA principles across our organization and in our daily work.

Weston & Sampson is seeking an entry-level Hydrologist with 0-5 years of experience for our Water discipline in one of our MA or NH offices. The Hydrologist will have experience in hydrologic and hydraulic modeling, ideally with a focus on urban stormwater.

At Weston & Sampson, you'll work alongside more than 1,000 employee-owners who are passionate about improving our communities. From providing clean water to designing resilient infrastructure and sustainable environments, our work has a direct impact on quality of life. We're looking for curious, driven professionals who want to contribute to innovative, impactful projects and grow with a team that supports them.

We are a 100% employee-owned, interdisciplinary firm offering design, engineering, and environmental services. Since our founding in 1899, we have worked to build a collaborative, forward-thinking environment grounded in respect for each other's ideas.

Weston & Sampson manages all recruiting directly. We do not accept unsolicited resumes without a signed agreement in place. Any unsolicited submissions will be considered property of Weston & Sampson, and we are not responsible for associated fees.