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Senior Bridge Hydraulics & Drainage Engineer

Job in Indianapolis, Hamilton County, Indiana, 46262, USA
Listing for: Trinnex Inc.
Full Time position
Listed on 2026-09-12
Job specializations:
  • Engineering
    Water Engineer, Civil Engineering, Environmental Engineer
Salary/Wage Range or Industry Benchmark: 100214 - 175365 USD Yearly USD 100214.00 175365.00 YEAR
Job Description & How to Apply Below

Company Overview

Imagine a place committed to offering an unmatched employee experience. Where you work on projects that are meaningful to you. Where you play an active part in shaping your career journey. Where your co-workers are invested in you and your success. Where you are encouraged and supported to do your very best and given the tools and resources to do so.

Where it’s a priority that the company takes good care of you and your family.

Our employees are the heart of our company. As an employer of choice, our goal is to provide a challenging, progressive and inclusive work environment which fosters personal leadership, career growth and development for every employee. We value passionate individuals who challenge the norm, deliver world-class solutions and bring diverse perspectives. Join our team, and together we will make a difference and change the world.

Job Description

With high-level goals provided, serves as a technical leader for bridge hydraulics, roadway drainage, stormwater management, floodplain analysis, and water resources engineering for transportation infrastructure projects. Leads hydrologic and hydraulic studies supporting bridge replacements, bridge rehabilitations, roadway widening, interchange improvements, and major transportation corridors. Serves as Engineer of Record and provides technical oversight, quality assurance, client coordination, and mentoring for multidisciplinary transportation projects.

This position supports transportation agencies including DOT clients through planning, preliminary engineering, final design, permitting, construction support, and business development activities.

Primary Responsibilities Bridge Hydraulics, Hydrology & Drainage Engineering (45%)
  • Lead hydraulic and hydrologic analyses supporting bridge replacement and rehabilitation projects.
  • Perform floodplain, scour, watershed, culvert, and bridge opening evaluations.
  • Develop roadway drainage systems including storm sewer networks, cross drains, side drains, culverts, channels, detention facilities, energy dissipation features, and stormwater treatment facilities.
  • Prepare drainage reports, hydraulic reports, bridge hydraulics studies, FEMA-related analyses, and watershed evaluations.
  • Conduct stormwater management and erosion/sediment control design.
  • Coordinate hydraulic design with roadway, bridge, environmental, geotechnical, and permitting disciplines.
  • Review and approve hydraulic calculations, plans, reports, and specifications prepared by project teams.
  • Sign and seal engineering documents as required
Site Reviews and Field Investigations (5%)
  • Conduct field evaluations of bridges, culverts, channels, floodplains, and roadway drainage systems.
  • Perform watershed investigations and hydraulic condition assessments.
  • Collect field data needed to support hydrologic and hydraulic models.
  • Support construction-phase reviews and resolution of drainage and hydraulic issues.
Technical Knowledge Management (10%)
  • Develop technical guidance, best-practice documents, drainage manuals, and hydraulic design procedures.
  • Support innovation in hydraulic modeling and transportation drainage design.
  • Prepare white papers, technical presentations, and conference materials.
  • Contribute to firmwide water resources and transportation engineering knowledge initiatives.
Business Development & Sales Support (10%)
  • Support transportation pursuits and proposal development.
  • Develop scopes of work, fee estimates, technical approaches, and staffing plans.
  • Participate in client interviews and technical presentations.
  • Serve as bridge hydraulics/drainage subject matter expert during pursuits and project delivery.
Technical Leadership & Mentoring (15%)
  • Provide technical oversight for bridge hydraulics and transportation drainage staff.
  • Me…
Position Requirements
10+ Years work experience
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