Senior Hydraulic Engineer - Portsmouth, NH

Company: Hoyle, Tanner and Associates, Inc.
Location: Portsmouth
Posted on: February 13, 2026

Job Description:

Job Description Job Description Description: Hoyle Tanner has a new position open for an initiative-taking Sr. Hydraulic Engineer with experience in open channel flow (rivers/streams). You will lead and support hydraulic analysis and scour evaluation for bridge and culvert projects. This position has career pathways into business development or project management, and we will assist you on a successful career journey. We are a welcoming, collaborative, respectful, encouraging, and diverse community where you can achieve your career goals. Our midsize allows you to be visible and heard. Hoyle Tanner offers you a flexible schedule, remote work opportunities and a generous sign-on bonus. See our impressive benefits package for more information. Location: Portsmouth, NH Situated on the Pease International Trade Port, our contemporary Portsmouth office consists of office and conference space overlooking the nearby arriving and departing planes. Primary Responsibilities: Lead and conduct hydraulic studies for bridge and culvert projects, including river, stream, and floodplain crossings Perform detailed scour analyses for new and existing bridge structures and recommend appropriate scour protection measures Utilize hydrologic and hydraulic modeling software (e.g., HEC-RAS, HEC-HMS, SRH-2D) and GIS-based project mapping tools for project analysis and design Prepare technical reports, calculations, maps, and documentation for regulatory submittals and project records Coordinate with multidisciplinary project teams, including structural engineers, environmental scientists, and construction staff Provide technical guidance and mentorship to junior engineers and review their work for accuracy and compliance Requirements: Qualifications: BS or MS degree in civil or environmental engineering, or related field PE Licensure 10 years of relevant experience Exceptional oral/ written communication skills Salary is contingent on experience Hoyle Tanner 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, disability, or status as a protected veteran. Hoyle Tanner does not currently offer sponsorship and participates in E-Verify. All offers are contingent upon a successful criminal background check.

Keywords: Hoyle, Tanner and Associates, Inc., Nashua , Senior Hydraulic Engineer - Portsmouth, NH, Engineering , Portsmouth, New Hampshire