Civil Engineer

Kosmos; Oakland (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

Kosmos in Oakland, CA is seeking a Project/Civil Engineer for its Flood & Drainage team. The role targets engineers with 3–8 years in water resources, focusing on hydrologic and hydraulic modeling, flood risk reduction, and resilient infrastructure development.

You will work on stormwater systems, flood control facilities, CIP planning, pump stations, and floodplain analyses, collaborating with senior staff to deliver data-driven solutions for public agencies across California.

Qualifications

• PE CA with 3+ years in water resources engineering.
• Proficient in hydrologic/hydraulic modeling and flood risk analyses.
• Experience with GIS and data-driven design for stormwater projects.

Responsibilities

• Build, calibrate, validate, and maintain hydraulic models.
• Conduct flood risk, drainage capacity, and CIP analyses.
• Develop GIS databases and map products for studies.
• Prepare technical memos, reports, and client presentations.
• Coordinate with agencies and stakeholders on projects.

Skills

Hydraulic modeling

Hydrology

1D/2D modeling

GIS analyses

Technical reporting

Mentoring

Education

Bachelor's degree in Civil Engineering

California PE license

Tools

HEC-RAS

HEC-HMS

InfoWorks ICM

XP-SWMM

TUFLOW

MIKE

ArcGIS Pro

Job description

Growing Civil Design firm in Oakland, CA has a need for a Project/Civil Engineer

We are seeking a motivated Project Engineer to join our Flood & Drainage team. This position is ideal for an engineer with 3 to 8 years of water resources experience who is passionate about hydrologic and hydraulic modeling, flood risk reduction, and development of resilient infrastructure. The successful candidate will support and lead technical studies involving stormwater systems, flood control facilities, drainage master plans, pump stations, floodplain analyses, and watershed management projects for public agencies throughout California. Working alongside senior engineers and project managers, you will develop engineering solutions using advanced modeling tools, GIS technology, and data-driven analysis to address complex flooding, drainage, and climate resilience challenges.

• Build, calibrate, validate, and maintain engineering models using historical rainfall, flow monitoring, and field data.
• Perform flood risk, drainage capacity, and infrastructure deficiency analyses.
• Evaluate alternatives and develop Capital Improvement Program (CIP) recommendations.
• Develop and manage GIS databases and map products to support engineering studies.
• Support preparation of drainage master plans, FEMA flood studies, and climate resilience assessments.
• Assist with pump station, channel, culvert, detention basin, and storm drain improvement projects.
• Prepare technical memoranda, engineering reports, exhibits, and client presentations.
• Conduct field investigations and coordinate with clients, agencies, and project stakeholders.
• Support preparation of plans, specifications, cost estimates, and construction documents.

Qualifications

Qualifications & Skills

• California Professional Engineer (PE) with a Bachelor's degree in Civil Engineering and 3+ years of experience in water resources engineering.
• Experienced in hydrologic and hydraulic modeling using HEC-RAS, HEC-HMS, InfoWorks ICM, XP-SWMM, TUFLOW, and MIKE software.
• Proven expertise in 1D/2D hydraulic modeling, model calibration, floodplain mapping, FEMA studies, pump station analysis, and drainage master planning.
• Skilled in ArcGIS Pro, geospatial data management, and the application of data-driven solutions for water resources and stormwater projects.
• Experience supporting sea level rise assessments, climate resilience initiatives, and capital improvement planning.
• Strong analytical, technical writing, and communication skills with the ability to effectively present complex engineering and modeling results.
• Collaborative team player with experience mentoring junior staff, supporting project delivery, and developing high-quality engineering solutions.