CAREER Opportunities

Q3 currently has one Full-Time Exempt Civil Engineering position available in our Foothill Ranch office (see below for details).

JOB DESCRIPTION: Project Engineer (Civil)

SCHEDULE – Full-Time Exempt

PRIMARY LOCATION – Foothill Ranch, California

POSTED – March 13, 2019


Q3 is seeking a Project Engineer with approximately 2 to 4 years of relevant local experience in southern California to join our Team and be an integral  part of our growth as a specialty engineering firm focused on all things stormwater.

Key Responsibilities

Below are some of the potential tasks that you may be responsible for under the supervision and/or mentorship of senior leadership:
  • Engineering planning, analysis, and design of stormwater-related systems, facilities, and features, including storm drain systems, channels, levees, in-stream and floodplain restoration features, water quality mitigation, culverts, bridges, bank protection, grade stabilization, spillways, and energy dissipaters
  • Perform local and regional hydrologic analyses
  • Perform flood frequency analyses
  • Perform floodplain and inundation modeling and mapping
  • Perform hydraulic analysis of in-stream flood control structures
  • Perform sediment transport and scour analyses
  • Perform spatial analysis and data management
  • Work with multidisciplinary teams (other engineers, geologists, biologists, planners, and environmental scientists)
  • Prepare construction plans, specifications, design reports, quantity take-offs and cost estimating documents
  • Conduct site reconnaissance
  • Attend client and technical meetings
  • Contribute to business development and marketing, including proposal preparation and interviews


Unless otherwise stated, the following represents the minimum requirements for this job posting:
  • Bachelor’s degree in Civil Engineering from an accredited four-year college or university; an advanced degree is desirable
  • minimum of 2 years of relevant local (southern California) experience
  • Engineer in Training (EIT) Certification; California P.E. desirable
  • Excellent writing and verbal English language skills
  • Ability to work in a team environment
  • Knowledge of local stormwater/hydrology-related standards and guidelines is desirable
  • Proficiency in Microsoft Office applications (Outlook, Word, Excel, and PowerPoint)
  • Proficiency in AutoCAD, preferrably with some Civil 3D experience
  • Proficiency in ArcGIS is preferrable
  • Proficiency in some or all (preferrable) of the following programs: WSPG, HEC-RAS, and HEC-HMS
  • Proficiency in AES or Civil Design hydrology programs is preferrable
  • Some experience using 2-dimensional hydraulic models (e.g,, RAS2D, FLO-2D, XP-SWMM/TUFLOW) is desirable
  • Valid California driver’s license and a satisfactory driving record

Q3 is an Equal Opportunity and Affirmative Action Employer.

Submit resumes by email to:


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