Senior Water Resources Engineer

Liberty Personnel Services, Inc.; Fairfax (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

A staffing agency is seeking a senior-level Water Resources Engineer in Northern Virginia. The role involves leading technical modeling on complex projects, focusing on advanced H&H modeling and floodplain analysis. Candidates should have a Bachelor's degree in Civil Engineering, along with 5+ years of HEC-RAS modeling experience and a PE license. The position includes mentoring junior staff and managing multiple projects, providing a great opportunity to make impactful contributions in a growing region.

Qualifications

• Bachelor’s degree in Civil Engineering or a related field is required.
• 5+ years of experience in HEC-RAS modeling is mandatory.
• A Professional Engineer (PE) license is necessary.
• Proficiency in GIS tools, specifically ArcMap, is required.
• Strong communication, analytical, and QA/QC skills are essential.

Responsibilities

• Lead development and QA/QC of HEC-RAS models.
• Perform dam analyses, including studies for breaches and hazards.
• Prepare and review CLOMR/LOMR permitting packages.
• Develop technical reports and support regulatory coordination.
• Conduct site visits and inspections.
• Manage multiple projects and timelines.
• Mentor and oversee junior staff.

Skills

HEC-RAS modeling

GIS proficiency (e.g., ArcMap)

Analytical skills

Communication skills

QA/QC skills

Education

Bachelor’s degree in Civil Engineering or related field

Job description

We are seeking a senior-level Water Resources Engineer in Northern Virginia to serve as a lead technical modeler on complex water resources projects. This role focuses on advanced H&H modeling, floodplain and dam analysis, permitting, and mentoring junior staff. It's a strong opportunity to lead impactful work while helping shape technical standards and project delivery in a growing region.

Responsibilities

• Lead development and QA/QC of HEC-RAS models
• Perform floodplain and dam analyses, including breach and hazard studies
• Prepare and review permitting packages (e.g., CLOMR/LOMR)
• Develop technical reports and support regulatory coordination
• Conduct site visits and inspections
• Manage multiple projects and timelines
• Mentor and oversee junior staff

Qualifications

• Bachelor’s degree in Civil Engineering or related field
• 5+ years of HEC-RAS modeling experience
• Professional Engineer (PE) license
• Proficiency in GIS (e.g., ArcMap)
• Strong analytical, communication, and QA/QC skills