Principal Engineer

Posted: 09/01/2026


Work Setting: Hybrid
 
Hazen and Sawyer is seeking?a Water/Wastewater Project Engineer for our?Abilene, TX 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.
  • 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 2,400 employees in 90+ offices throughout the United States, Latin America, Canada, and the UK.
  • Support for the new Abilene office, as Hazen grows in West Texas to support local communities with difficult water solutions.
 
Key Responsibilities:
  • Participation in the evaluation, planning, and design of water, wastewater, stormwater, reuse, and infrastructure projects?
  • Participation in a project team from the initial study and conceptual design stages through to the construction of major water related infrastructure projects?
  • Fieldwork and site visits from design through construction may be required?
  • Other responsibilities may include:?
  • Project management of a large project or several small projects?
  • Client development and management supported by our local offices?
  • Planning, organizing, and supervising staff of engineers on projects?
 
Required Qualifications:
  • Bachelor’s degree in environmental, civil, chemical, or mechanical engineering
  • PE license 
  • Strong interest in the water/wastewater industry
  • Excellent communication skills, self-motivation, organization, and attention to detail
  • Must be proficient in Microsoft Office Suite
  • 5-12years of experience?in planning, design, or construction of water-related projects
  • Experience related to preparing conceptual/feasibility studies, development of construction drawings and specifications, bidding assistance, and support of office and field-related construction services 
  • Familiarity with engineering and construction management software?
  • Capable of supervising staff and managing small projects?
 
Preferred Qualifications:
  • Advanced degree (Master’s or Doctorate) in environmental, civil, chemical, or mechanical engineering
  • Proficiency in GIS, CAD/BIM, BioWin, PowerBI, and database
 
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