Water Design Engineer

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• Posting Date 07/24/2026, 04:00 AM
• Apply Before 08/07/2026, 03:55 AM
• Degree Level Bachelor's Degree
• Job Schedule Full time
• Locations 4200 28th St S, Arlington, VA, 22206, US (Hybrid)
• Salary $83,158.40 - $ Annually

IMPORTANT NOTICE: Arlington County requires all applicants to thoroughly complete each section of the application, including prior job responsibilities, duties, and supplemental questions. While you may attach a resume, it will not replace a completed application. Incomplete applications will not be considered.

The Department of Environmental Services (DES) is seeking a Design Engineer I, II, or III to provide professional engineering and project management expertise for assigned projects, which include public works improvements and maintenance projects. Projects range in size, complexity, and scope, most of which generally don't require detailed designs and must be completed under a condensed schedule.

This employee will also provide engineering support to the drinking water program, within the Water, Sewer, and Streets (WSS) Bureau, which consists of 194 employees who work as a team to construct and maintain the County's sewers, water mains, streets, and sidewalks. The Bureau also utilizes consulting services as additional resources to augment project implementation and capacity.

This position may be filled at one of three levels. The Design Engineer at the senior-level (Engineer III) is expected to perform the specific duties listed below completely independently. The journey-level (Engineer II) is expected to perform the specific duties listed below with limited guidance from their supervisor. The junior-level (Engineer I) is expected to perform the specific duties listed below with significant guidance from their supervisor.

Major

Job Duties:

• Developing designs and construction plans/drawings including cost estimates, technical specifications, and associated documentation for a diverse range of public works projects including water main replacements, water valve condition assessment and repair, water storage tank maintenance and rehabilitation, and leak detection;
• Providing engineering support to the water meter team, including conducting field investigations, coordinating and evaluating water meter testing, troubleshooting meter and service-related issues, reviewing system and usage data, and recommending solutions to address related issues;
• Analyzing water quality data and working to address unusual or unexpected water quality issues, in coordination with field crews and other staff;
• Conducting field investigations and recommending solutions to resolve public works-related maintenance issues and citizen concerns;
• Providing technical support and coordination with WSS construction crews, construction managers, and external contractors and utilities to implement a wide variety of public works improvements and maintenance projects;
• Utilizing County databases to locate records of drawings, plats, deeds, as-builts, and past engineering plans to assist crews in resolving maintenance issues;
• Coordinating with County, State, and Federal regulatory agencies to obtain permits;
• Updating and maintaining the County's water system hydraulic model;
• Overseeing and reviewing the work of external consultants who provide design and modeling services on selected projects, including providing consultation to other staff, citizens, and developers regarding the assigned area; and
• Performing other work-related duties as assigned.

The successful candidate will possess technical expertise in civil engineering, excellent teamwork skills, and the ability to solve problems quickly, along with strong multitasking capabilities.

Minimum Qualifications:

• Bachelor’s Degree in Civil Engineering or other applicable engineering discipline;
  AND
• Experience using Autodesk Civil 3D or similar CAD software.
• 3 years of post-Bachelor’s professional…