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Assistant Engineer I and II


Job Location:

Rochester, NH - USA

Hourly Salary: USD 36 - 53
Posted: 1 October 2026 (9 days ago)
Application Deadline: 29 December 2026
Vacancies: 1 Vacancy

Job Summary

Work Setting: In-person (All in office/field)

Hazen and Sawyer is seeking entry-level engineers for our Rochester office. As part of our design and process teams you will work on water and wastewater projects including drinking water/wastewater/reuse treatment facility upgrades conveyance systems wellfields stormwater management water resources and asset management.

Why Hazen and Sawyer:

  • Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation) we are an employee-owned company with a singular focus on all things water.
  • Our work includes planning design and oversight of construction of environmental infrastructure for water wastewater and stormwater management.
  • We foster a work environment low on bureaucracy and high in creativity.
  • We recruit talented professionals provide them with challenging interesting and creative assignments and furnish them with the tools they need to succeed.
  • We currently have over 2000 employees in 70 offices throughout the United States Latin America Canada and the UK.
  • A flexible hybrid work schedule supports todays busy professionals.
  • This position would include working in our Rochester office.

Key Responsibilities:

  • Assist in preparing engineering deliverables including sampling studies condition assessments process modeling hydraulics and design reports.
  • Work directly with senior level engineering team providing mentoring opportunities to learn and develop.
  • Manage data for process modeling and design.
  • Attend client and internal project management meetings.
  • Coordinate with manufacturers and vendors to select equipment.
  • Support multiple projects from planning through construction.
  • Participate in fieldwork and site visits (mostly in-state).

Required Qualifications:

  • Bachelors degree in environmental civil chemical or mechanical engineering
  • Strong interest in the water/wastewater industry
  • Strong communication skills self-motivation organization and attention to detail
  • Must be proficient in Microsoft Office Suite
  • 0-4 years of relevant experience within the water/wastewater industry that counts towards PE license

Preferred Qualifications:

  • EIT certification
  • Advanced degree (Masters or Doctorate) in environmental civil chemical or mechanical engineering
  • Conducts self-quality reviews before submitting work for additional QA/QC
  • Proficiency in GIS Bluebeam CAD/BIM BioWin PowerBI and databases

What We Offer:

  • Comprehensive health benefits (medical dental vision and prescription plans)
  • Pre-tax flexible spending plans for medical dependent care and transportation
  • Short and long-term disability and employer paid life insurance
  • Paid holidays floating holidays and paid time off (PTO)
  • Employer-contributed 401(k) plan and additional financial planning support
  • Professional growth opportunities including tuition reimbursement in-house training and incentives for professional registration and professional organization memberships
  • Starting pay range for this position depends on skills experience education and geographical location



Required Experience:

Junior IC


About Company

Hazen helps clients address water supply and water quality challenges with solutions tailored to deliver lasting benefits to the communities they serve.

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