Drainage Engineer

Mannik Smith Group; Meridian (ID); On-site; USD 105,000 - 125,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Professional development

Job summary

Horrocks is seeking a Drainage Engineer in Meridian, ID with 7–9 years of drainage and stormwater engineering experience. You will lead design efforts for stormwater systems, review technical calculations, and mentor junior staff across public and private sector projects.

The role requires PE licensure or progress toward licensure, strong hydrology/hydraulics knowledge, and proficiency in Civil 3D and related modeling tools. On-site collaboration with multidisciplinary teams is essential.

Qualifications

• Bachelor’s degree in Civil Engineering or related discipline.
• 7–9 years of progressive experience in drainage and stormwater engineering.
• Professional Engineer (PE) license or actively pursuing licensure.
• Strong understanding of hydrology, hydraulics, and drainage design principles.
• Proficiency with drainage and modeling software (e.g., Civil 3D, HEC-RAS, InfoDrainage, XP-SWMM).

Responsibilities

• Lead and contribute to the design of stormwater, drainage, and flood mitigation systems for land development and infrastructure projects.
• Prepare and review drainage reports, technical calculations, plans, and specifications.
• Perform hydrologic and hydraulic modeling using industry-standard software.
• Apply local, regional, and national drainage standards, guidelines, and regulatory requirements.
• Identify and manage drainage-related risks, constraints, and opportunities throughout project development.
• Coordinate with civil, transportation, structural, and environmental teams to deliver integrated solutions.
• Review contractor submittals and respond to RFIs during construction.
• Support development of cost estimates, schedules, and design optimizations.

Skills

Drainage design

Stormwater

Civil 3D

HEC-RAS

InfoDrainage

XP-SWMM

Public-private clients

Education

Bachelors in Civil Eng

Tools

Civil 3D

HEC-RAS

InfoDrainage

XP-SWMM

Job description

Drainage Engineer

Department: Community Infrastructure

Employment Type: Full Time

Location: Meridian, ID

Compensation: $105,000 - $125,000 / year

Description

At Horrocks, we believe the best work comes from companies with values, that our people are our greatest resource, and that we have a responsibility to the communities where we live and work. As a Drainage Project Engineer with 7–9 years of experience, you will play a key role in the planning, design, and delivery of drainage and stormwater infrastructure projects. This position offers the opportunity to lead technical efforts, mentor junior staff, and collaborate with multidisciplinary teams to deliver high-quality, buildable solutions for both public and private sector clients

Key Responsibilities

• Lead and contribute to the design of stormwater, drainage, and flood mitigation systems for land development and infrastructure projects
• Prepare and review drainage reports, technical calculations, plans, and specifications
• Perform hydrologic and hydraulic modeling using industry-standard software (e.g., Civil 3D, HEC-RAS, HEC-HMS, XP-SWMM, InfoDrainage, or similar)
• Apply local, regional, and national drainage standards, guidelines, and regulatory requirements
• Identify and manage drainage-related risks, constraints, and opportunities throughout project development
• Manage assigned project components from concept through detailed design and construction support
• Coordinate with civil, transportation, structural, and environmental teams to deliver integrated solutions
• Review contractor submittals and respond to RFIs during construction
• Support development of cost estimates, schedules, and design optimizations
• Collaborate with clients, municipalities, and regulatory agencies to obtain approvals and resolve technical issues
• Participate in project meetings and present technical information clearly and confidently
• Support proposal preparation, scope definition, and business development efforts as needed
• Provide technical guidance and mentorship to junior engineers and designers
• Review work prepared by others to ensure quality, accuracy, and consistency
• Contribute to continuous improvement of standards, tools, and internal processes

Skills, Knowledge and Expertise

• Bachelor’s degree in Civil Engineering or related discipline
• 7–9 years of progressive experience in drainage and stormwater engineering
• Professional Engineer (PE / P.Eng. / CEng) license or actively working toward licensure
• Strong understanding of hydrology, hydraulics, and drainage design principles
• Proficiency with drainage and modeling software (e.g., Civil 3D, HEC-RAS, InfoDrainage, XP-SWMM, or equivalent)
• Experience working with public and private sector clients
• Ability to interpret survey data, geotechnical reports, and environmental constraints
• Solid knowledge of applicable codes, standards, and approval processes
• Strong written and verbal communication skillsAbility to manage priorities and work independently
• Collaborative mindset with a proactive, problem-solving approach
• High attention to detail with a focus on practical, constructible solutions

Benefits

At Horrocks, you can expect a competitive base salary and award-winning benefits. Including, but not limited to:

• Medical, dental, vision, life, and disability insurance
• Generous paid time off
• 401(k): 50% match of contribution up to 6%
• Professional development opportunities including in-house training
• Paid professional organization membership and professional licensure

For more information, visit our website at www.horrocks.com

Equal Opportunity Employer including disability and protected veteran status

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