Principal Engineer

Principal Engineer – Fairfax, VA Principal Engineer for our Fairfax, VA office. Key Responsibilities Deliver public‑sector water and wastewater facilities planning and design projects. Support projects as part of the design team, design lead, task manager, and/or project manager. Prepare facility assessment and design reports. Perform design calculations, process and/or hydraulic modeling, select and size equipment, prepare design documents and construction documents, and support construction‑phase services both in office and on site. Perform field work and site visits from planning through construction, with occasional travel; mentor junior engineers while collaborating with senior mentors, local, and regional office leadership. Required Qualifications Bachelor of Science degree in Civil, Environmental, Chemical, or Mechanical Engineering. Strong verbal and written communication skills. PE license in Virginia or ability to obtain one via comity. Minimum of 1 year of documented design experience for water/wastewater facilities following PE licensure. Experience working on and collaborating with multidisciplinary teams. Experience supervising, coordinating, and reviewing work by junior and technical staff. Ability to estimate workload and develop schedules. Proficiency with standard software platforms (e.g., Microsoft Office Suite). Strong organizational skills. Preferred Qualifications Master of Science degree in Civil Engineering, Environmental Engineering, or Construction Management. Experience serving as Project Manager for water/wastewater facility projects. Experience supporting proposal preparation and participating in interviews. Experience communicating and coordinating with clients. Experience mentoring junior and technical staff. Experience delivering water and/or wastewater facility projects from preliminary design through construction. Familiarity with CADD, GIS, Revit, and/or other relevant software. 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; 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 membership in professional organizations. Starting pay range dependent on skills, experience, education, and geographic location. #J-18808-Ljbffr Hazen and Sawyer