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Colliers Engineering & Design

Engineering, architecture, design consulting services

Engineering Designer 3 - Civil/Site

Water Resources EngineeringUpdated on Nov 10
Full-timeMcLean, VA, USANo salary listedIn-person

About the Job

Requirements

  • A Bachelor's degree in Civil Engineering is required.
  • Four to seven or more years of residential and/or commercial civil land development work experience are required.
  • Knowledge of local municipal, county, and state land-use, planning, and zoning processes and regulations is required.
  • Proficiency in stormwater management, hydraulics, hydrological analysis, grading, and other site-development-related design is required.
  • Demonstrated Civil 3D skills and the ability to design site layouts from concept through completion are required.
  • The ability to work independently and with team members is required.
  • The ability to read, write, and understand English for job-related written communications, verbal instructions, and interactions is required.

Responsibilities

  • Review municipal zoning and land-development ordinances and applicable agency regulations to determine land-development limitations for properties.
  • Conduct site investigations and due diligence, including reviewing ordinances, researching utility services, reviewing outside-agency regulations, and conducting site visits to establish development guidelines.
  • Prepare concept drawings based on client development objectives and due-diligence conclusions, including concept plans coordinated with AutoCAD draftsmen.
  • Lead the review and design of stormwater-management and stormwater-conveyance systems using Civil 3D and hydrology-design software.
  • Prepare pipe-sizing calculations for stormwater-conveyance systems, including drainage-area maps.
  • Evaluate surface-runoff coefficients, inverts, slopes, velocities, and hydraulic grade lines using the Rational Method and Manning’s Equation.
  • Apply local stormwater-management design regulations.
  • Perform grading design to support value engineering through earthwork analysis and site safety through appropriate design slopes.
  • Design and lay out subdivisions and site plans.
  • Design utility systems, including stormwater conveyance, sanitary sewer service, pump stations, water, gas, and telephone service, and determine and resolve vertical and horizontal utility conflicts.
  • Design soil erosion and sediment controls, including stability calculations, Best Management Practices, swales, spillways, and construction sequencing.
  • Prepare construction cost estimates from site-plan drawings for bonding and client purposes as required.
  • Work independently and lead a team of other engineers.

Desired Qualifications

  • Engineer in Training (EIT) or Professional Engineer (PE) qualification is preferred.

About the Company

Colliers Engineering & Design

Engineering, architecture, design consulting services

Colliers Engineering & Design provides multi-disciplinary engineering, architecture, design and consulting services for public and private sector clients. With offices across the United States and a team of over 3,500 professionals, the firm uses advanced technologies to deliver tailored solutions. What sets the company apart is its people and approach—emphasizing personal responsibility, client-centric focus, and community impact, driven by leaders who think and act differently. The goal is to accelerate client success by delivering integrated, practical results through a collaborative, accountable culture.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Red Bank, NJ
Founded
1984

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