Drainage Engineer Jobs in Colorado (NOW HIRING)

Kiewit Infrastructure Engineers has an immediate opening for a Senior Water Resources Engineer in our growing Transportation Engineering group.  This role is located in Lone Tree, CO.   In this role, you will execute complex Water Resource designs for projects across North America including design-build, public-private partnerships (P3), and construction manager/general contractor (CM/GC).  We seek a technical expert - one who has in-depth technical expertise that can be drawn upon to inform various projects across North America, while also providing mentorship to junior and mid-level staff in advanced hydrologic and hydraulic design topics.  Your team will support design pursuits, and execute projects through final construction in Texas and other states.  
 

2025 ENR National Contractor Rankings #1 for Transportation and #3 Top 100 design build firms 

Kiewit Infrastructure Engineering seamlessly transitions solutions from design to construction through the collaborative efforts of Design Engineering, Design Management, Proposals, Estimating, and Integrated Project Controls. Our construction-focused engineering approach involves a multidisciplinary team working together to maximize value for clients by improving schedules, controlling costs, and minimizing risk on infrastructure projects. This integrated strategy emphasizes collaboration and constructability throughout the project lifecycle, enabling us identify and implement quality solutions with a strong safety focus. 

Clients benefit from Kiewit's proven processes and tools, which minimize project risk. As an in-house resource, we support projects across the company, in all major markets, sharing to experiences, innovative concepts, and best practices. Kiewit's management and implementation of this process result in safe, cost-effective, and innovative designs that exceed client expectations and uphold Kiewit's legacy of excellence. 

At Kiewit, we believe in building more than just structures - we build relationships, strengthen communities, and expand workforce capacity. We don't just build projects; we build careers. With top-notch health benefits, a wealth-building 401k plan (RRSP), and unbeatable growth opportunities, we are deeply invested in the future of our employees. Join us at Kiewit, where we go beyond construction to develop the ultimate road to success. 

This position will be based out of our Lone Tree, CO office. This is not a remote work opportunity, but we offer excellent relocation assistance if you need it.    
 

You will be responsible for drainage design, hydrologic and hydraulic analysis (using various models and methods), and preparation of design plans, reports and technical documentation, as well as mentoring and leading others in the delivery of drainage and H&H functions. 
Tasks may include (based on expertise):
Hydrology
   Single-event and continuous rainfall modeling
   Watershed analysis, hydrograph and peak discharge development and routing
   Software experience includes: HEC-HMS, SWMM, TR-55, SBUH and HSPF method programs
Hydraulics
   Pavement drainage, culverts, storm systems, pump stations, bridge sizing and scour
   Understanding of FHWA hydraulic engineering circulars and design series
   Flood analysis and knowledge of the NFIP including CLOMR and LOMRs
   Stormwater quantity / quality calculations, LID, NPDES compliance and erosion control
   Channel hydraulics and design to include restoration techniques, erosion and scour protection, and alternative lining concepts.
   Software experience includes: HEC-RAS, HEC-GEORAS, HY-8, SWMM, Culvert Master, Storm CAD, Civil Storm, Pond Pack, Flow Master, 2D experience helpful such as SRH-2D, FLO-2D
Drainage Design 
   Development of drainage plans, profiles, specifications and estimates for transportation and water resources projects. This includes developing terrain, grading and other design components via models such as Inroads, Arc-GIS and other pre and post processing software packages
   Software experience includes: MicroStation, AutoCAD, Arc-GIS, GEOPAK, Inroads, Civil3D, OpenRoads Designer, HydroCAD.
   3D modeling and/or programming experience a plus.
As a Technical Expert: 
    Provide technical guidance and oversight on non-traditional water resources projects.
    Mentor/lead other more junior engineers/designers.  
    Provide Engineer of Record stamp of approval
    Compilation of permits and reports for approval by regulating agencies
    Establish and track project scopes, schedules, and budgets
Support our "get work" proposal activities and 
    Participate in interdisciplinary design coordination to ensure that project elements are compatible
    Support project communications and technical meetings, provide coordination to resolve design issues
    Support plan production, specifications, estimate and drainage design development and will be responsible / in charge of engineering work and may be the Engineer of Record for final design projects.
 

• Bachelor of Science in Civil Engineering or related field, with a minimum of 12+ years of design experience in drainage, water resources, hydraulics or hydrology in either transportation or land development projects.*
• PE license required
• Must have experience with US transportation projects.  
• Design-Build project experience preferred.  
• Ideal H&H software experience includes any or all of the following: HEC-HMS, SWMM, TR-55, HEC-RAS, HEC-GEORAS, HY-8, CulvertMaster, StormCAD, CivilStorm, PondPack, FlowMaster; SWMM, 2D experience helpful such as SRH-2D, FLO-2D    
• Experience developing construction plans for transportation projects is preferred
• Working knowledge of hydrologic analysis methods including single-event and continuous rainfall modeling, watershed analysis, hydrograph and peak discharge development and routing (from a national perspective).  
• Prefer experience with pavement drainage, culverts, storm systems, bridge sizing and scour, revetment design, temporary drainage design, and coastal considerations for highway and transit drainage  
• Understanding of FHWA hydraulic engineering circulars and design series
• Familiarity with flood risk analysis and knowledge of the NFIP including CLOMR and LOMRs is preferred
• Must have working knowledge of storm water quantity / quality calculations, NPDES compliance and erosion control
• Must have experience mentoring others  - (training on advanced topics, development of workflows and "how-tos", etc.).
• This position includes occasional travel to project offices and work sites up to 25%.
• Experience working with AI agents and tools preferred  #LI-JP1