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HW aspires to create an inclusive organization where each unique member of our community can contribute, learn, develop, and flourish. We also recognize that elevating the voices of vulnerable and historically harmed communities is central to creating sustainable communities. Our DEI committee is made up of a cross section of employees and serves an important leadership role. We are committed to hiring talented, unique team members with diverse perspectives and experiences who can be their authentic selves at work; we want and encourage people across a multitude of backgrounds to apply.

If you anticipate needing any type of reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment including but not limited to, wheelchair access, cautionary measures for allergies and environmental sensitivities, or if you have any questions about the application process, please contact Jane Estey at 508-833-6600. Email résumé and cover letter to hwinfo@horsleywitten.com.

Horsley Witten Group, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, or disability.



The Horsley Witten Group, Inc. (HW) provides environmentally sustainable planning, engineering, and scientific solutions for a wide range of clients. Our team applies an interdisciplinary approach to our work, combining engineering and science with land use planning and public policy.

We are seeking a full time Senior Water Infrastructure Engineer to join our team of enthusiastic professionals who can support a wide range of technical work related to wastewater collection and treatment and water supply planning, feasibility (including water distribution modeling), design, and management. The work environment at HW is collaborative and encourages employees to broaden their horizons and take on new challenges. Fun, creative, smart, and engaged professionals characterize our staff at all levels. We support a hybrid work model (in office and work from home) and this role can be based out of our offices in Providence, RI, Sandwich, MA or Boston, MA.

Key Responsibilities:

  • Provide technical leadership for wastewater and water supply, distribution, collection, and treatment projects; and interface directly with clients on all technical aspects of the projects.
  • Attend, assist and/or lead client, contractor, stakeholder, and regulatory agency meetings.
  • Technically mentor junior engineering staff.
  • Work in a team-oriented practice that will blend planning, science, and engineering into projects on a regular basis.
  • Manage staff time in an environment where an individual staff member will be working for multiple Project Managers at the same time.
  • Support business development and pursuit activities through writing of technical approaches, scopes of work, budgets, schedules, and presentations to clients.
  • Cost estimating.
  • Oversight for engineering design from concept to construction phase.

Preferred Qualifications:

  • Massachusetts and Rhode Island PE license.
  • Significant previous engineering consulting experience with wastewater and water supply systems. For water supply this will include source development, pumping stations, distribution and storage systems, water quality treatment, and modeling. For wastewater this will include collection systems, WWTF treatment systems, and disposal systems.
  • Experience as an Engineering Manager in the water and/or wastewater field.
  • Experience and ability to support proposals with technical ideas and approaches.

Landscape Designer

Horsley Witten Group is looking for a Landscape Designer with 2-5 years of experience to provide design support for a wide variety of environmental, park, site development, and restoration projects. The position will primarily support our New England public and private sector clients. The office from which this position is based is not pre-determined.

Responsibilities include, but may not be limited to:

  • Site design, grading and drainage, and planting plans from concept through construction
  • Cost estimating
  • Drafting support for production (AutoCAD) of design plans and construction details
  • Graphic support including plans, sections, elevations, perspectives for the inclusion in reports, presentations, and outreach materials
  • Developing hand-drawn concept plans and sketches to effectively convey design ideas
  • Fieldwork including site assessments and construction oversight
  • Coordination with sub consultants or allied professionals’ design staff (Architects, Landscape Architects, Planners, etc.)

The position requires experience in site design, grading and drainage, planting design, and construction details. Candidates must also be proficient with AutoCAD, Microsoft Office, and the Adobe Suite software. The ideal candidate should be a self-starter, enjoy working in a team environment, and be a good communicator. The candidate is not required to be a registered landscape architect but should be prepared to demonstrate they are working towards registration.

Land Surveyor

Horsley Witten Group has an immediate opening for a Land Surveyor in our Sandwich, MA office. A Land Surveyor at HW will have the opportunity to work on a wide variety of large and small projects, including ecological restoration, water quality improvements, and sustainable site developments alongside professionals that include civil engineers, landscape architects, planners, and scientists.

Responsibilities include, but may not be limited to:

  • Serving as both survey team technician and crew chief as needed
  • Surveying resource areas delineation flags
  • Providing survey services for all aspects of construction stakeout, specifically in the layout of building foundations, roads, and parking lots
  • Collection of topographic and property line data for existing conditions plans for engineering design, ALTA plans, and As built/Record plans


  • Required experience with both directional and robotic total stations, Carlson and Ranger data collectors, and GPS RTK systems
  • Must be familiar with or able to learn methods of property line research in Massachusetts and Rhode Island, downloading and importing field data into Autodesk AutoCAD Civil 3D to compile plans, draft worksheets and perform calculations

Coastal Restoration Scientist

The Horsley Witten Group is seeking an experienced Coastal/ Marine Scientist with 3 plus years of experience and with specific expertise in coastal and estuarine hydrodynamic modeling and shoreline restoration. The office from which this position is based is not pre-determined.

Responsibilities include, but may not be limited to:

  • Field data collection related to saltwater, freshwater, and estuarine wetlands, coastal dunes, banks, beaches and revetments, and associated resources
  • Analysis of coastal and estuarine conditions for erosive forces and methods and approaches for protection and restoration
  • Modeling of coastal impacts using Surface water Modeling System (SMS) and similar hydrodynamic models to quantify erosion forces and protection/restoration options
  • Support Design Team restoration plan production with design components and construction details
  • Prepare narrative and supporting calculations and figures for reports, permit applications, and/or assessments for coastal restoration projects
  • Present findings to clients, regulators and colleagues at public hearings, site visits, conferences, and meetings


  • Practical application of modeling coastal hydrodynamic/wave runup conditions
  • Analysis and design of green infrastructure and living shoreline systems
  • Developing materials for permits related to regulated resources
  • Construction support services for implementation of coastal restoration measures

The position will require good communication skills and the ability to work independently or in a team environment. Importantly, the ideal candidate will thrive working on varied and diverse projects across several ecoregions and a range of land uses and settings.