Civil Stormwater Project Manager

Liberty Personnel Services, Inc.; Los Angeles (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Liberty Personnel Services, Inc. seeks a Civil Stormwater Project Manager in Los Angeles to lead urban resilience projects, drive business development, and manage multi‑discipline teams across planning through construction support.

The role emphasizes growth in the LA stormwater market and strong client engagement. You will coordinate hydraulic/hydrologic analyses, prepare technical reports, and ensure deliverables meet multi‑benefit objectives while collaborating with engineers, designers, and

Qualifications

• Bachelor’s degree in Civil, Environmental, Agricultural, or other appropriate engineering major.
• 10+ years of stormwater and water resources experience.
• At least 5 years managing a team delivering planning and design for urban stormwater challenges.
• Minimum 5 years of client service and business development, including positioning, proposals, interviews, and technical presentations.
• Familiarity with stormwater analysis tools such as HEC-RAS (1D/2D), HEC-HMS, ICM, FLO-2D, XPSWMM, ArcGIS, and Civil 3D.
• Experience selecting and optimizing multi-benefit urban stormwater projects.
• Strong verbal and written communication skills, including group presentations.
• Proven team‑building skills and ability to collaborate across disciplines.
• Ability to apply critical thinking to complex technical and project challenges.
• Proficiency with MS Word, Outlook, Excel, and PowerPoint.

Responsibilities

• Expanding the firm’s presence in the local Los Angeles stormwater market.
• Developing and executing targeted business development strategies.
• Growing and deepening specific client relationships in the stormwater sector.
• Participating in select professional society activities to elevate market visibility.
• Collaborating with stormwater leads across the company on growth and innovation strategy.
• Managing planning and detailed design projects for stormwater management facilities.
• Leading production and quality of contract documents, including plan sets and specifications.
• Performing or directing hydraulic and hydrologic calculations and analyses.
• Preparing technical reports and documentation to support planning, design, and construction.
• Coordinating design efforts for pipelines, open channels, pump stations, and storage/treatment facilities.
• Leading teams to deliver solutions for complex urban stormwater management challenges.
• Collaborating with engineers, designers, and scientists to support specific project assignments.

Skills

Team leadership

Client relations

Proposal development

Communication

Project management

Hydraulic modeling

Education

Bachelor's degree in Civil/Environmental/Water Resources engineering

Tools

HEC-RAS

HEC-HMS

ICM

FLO-2D

XPSWMM

ArcGIS

Civil 3D

Job description

• Stormwater conveyance: pipelines, open channels, pump stations

Job Details

Civil Stormwater Project Manager - Lead Urban Resilience Projects

Los Angeles, CA

PE registration required

Own complex stormwater projects that protect communities

You’ll be at the center of complex urban water and stormwater challenges

• Urban stormwater management planning and design
• Hydraulic and hydrologic analysis for stormwater systems
• Stormwater conveyance: pipelines, open channels, pump stations
• Channel stabilization and flood risk mitigation
• Storage and treatment facilities for stormwater
• Multi-benefit stormwater and water resources projects
• Planning, design, and construction support for stormwater facilities
• Integration of stormwater projects with broader water resources efforts

You’ll collaborate closely with other engineering disciplines, designers, and scientists to deliver integrated, resilient solutions.

Your core challenge: turn complex hydrology and hydraulics into buildable, multi-benefit urban stormwater projects.

What You’ll Be Doing

• Expanding the firm’s presence in the local Los Angeles stormwater market
• Developing and executing targeted business development strategies
• Growing and deepening specific client relationships in the stormwater sector
• Participating in select professional society activities to elevate market visibility
• Collaborating with stormwater leads across the company on growth and innovation strategy
• Managing planning and detailed design projects for stormwater management facilities
• Leading production and quality of contract documents, including plan sets and specifications
• Performing or directing hydraulic and hydrologic calculations and analyses
• Preparing technical reports and documentation to support planning, design, and construction
• Coordinating design efforts for pipelines, open channels, pump stations, and storage/treatment facilities
• Leading teams to deliver solutions for complex urban stormwater management challenges
• Collaborating with engineers, designers, and scientists to support specific project assignments

What We’re Looking For

• Bachelor’s degree in Civil, Environmental, Agricultural, or other appropriate engineering major
• 10+ years of experience related to stormwater and water resources projects
• At least 5 years managing a team delivering planning and design for urban stormwater challenges
• Minimum 5 years of client service and business development, including positioning, proposals, interviews, and technical presentations
• Familiarity with stormwater analysis tools such as HEC-RAS (1D/2D), HEC-HMS, ICM, FLO-2D, XPSWMM, ArcGIS, and Civil 3D
• Experience selecting and optimizing multi-benefit urban stormwater projects
• Strong verbal and written communication skills, including group presentations
• Proven team‑building skills and ability to collaborate across disciplines
• Ability to apply critical thinking to complex technical and project challenges
• Proficiency with MS Word, Outlook, Excel, and PowerPoint

The Experience That Will Really Get Our Attention

You’ve owned stormwater and water resources projects from the early planning stages through detailed design and construction support, especially in urban environments. You’re comfortable sitting in front of clients, leading interviews and presentations, and turning relationships into real work.

You pair strong technical depth in hydrologic and hydraulic modeling with a proven track record of building and leading teams. You know how to identify and advance multi‑benefit projects that align community, regulatory, and infrastructure goals. Experience with FEMA floodplain work is a strong plus.

Why This Opportunity?

You’ll be stepping into a visible leadership role in a firm dedicated exclusively to water, with a clear mandate to grow stormwater work in a major market.

You’ll collaborate with some of the most experienced water and stormwater professionals in the country, while directly influencing strategy, client relationships, and project delivery.

Your work will advance the science of water, protect public health, and help build resilient communities across Southern California.

Important Requirements

Bachelor’s degree in an appropriate engineering discipline is required.

A minimum of 10 years of stormwater and water resources experience, including 5+ years of team management and 5+ years of client service/business development, is required.

High-signal tools and domains

• HEC‑RAS (1D)
• HEC‑RAS (2D)
• HEC‑HMS
• ICM
• FLO‑2D
• XPSWMM
• ArcGIS
• Civil 3D
• FEMA floodplain delineation
• Letters of Map Revision (LOMR)
• Conditional Letters of Map Revision (CLOMR)

Keywords

Stormwater Project Manager, Senior Stormwater Engineer, Water Resources Engineer, Urban Stormwater, Stormwater Management, Stormwater Design, Hydraulic Modeling, Hydrologic Modeling, HEC-RAS, HEC-RAS 2D, HEC-HMS, ICM, FLO-2D, XPSWMM, ArcGIS, Civil 3D, FEMA floodplain, LOMR, CLOMR, multi-benefit stormwater projects, water resources projects, pump station design, open channel design, pipeline design, channel stabilization, storage and treatment facilities, stormwater planning, stormwater business development, client service, technical presentations, civil engineering, environmental engineering, Los Angeles stormwater jobs