Civil 3D Senior Principal Designer

Company: Hazen and Sawyer
Location: Dallas
Posted on: February 19, 2026

Job Description:

Job Description Job Description Hazen and Sawyer is seeking a Senior Principal Designer skilled in AutoCAD Civil 3D for our Dallas or Fort Worth offices. The ideal individual would be Proficient in creating water and sewer infrastructure plans. This includes being well experienced in preparing Site Piping plans, Plan and Profile plans and Detail drawings with proficiency of Pipe Networks and Pressure Networks . Experience should include in Site Grading, Corridors and managing Data Shortcuts. Additionally, experienced in leading large sized projects and working with engineers and supporting staff, supporting contract document design for water, sewer, force main, and pump station facility projects. 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 2,000 employees in 70 offices throughout the United States, Latin America, Canada, and the UK. Key Responsibilities: Developing Base drawings from Surveys Developing Plan and Profile plans, Yard Piping plans, Sections, and Detail drawings for various conveyance infrastructure projects Developing grading plans from surfaces and corridors Developing and maintaining base utility drawings from Pipe Networks, Pressure Networks, Grading Managing multiple projects and coordination with Project Managers, and other discipline staff throughout project execution Responsible for QAQC of drawing standards and ensure drawing compliance with Hazen and client CAD standards, Styles and SOP’s Required Qualifications: Completion of technical school CAD design certificate with emphasis on Civil 3D preferred AutoCAD 2D skills required Bluebeam Microsoft Word and Excel Experience in leading and coordinating drawing production for large sized projects Experience in directing and mentoring less experienced designers 15 plus years of CAD Design/Drafting experience 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

Keywords: Hazen and Sawyer, Mansfield , Civil 3D Senior Principal Designer, Engineering , Dallas, Texas