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Senior Staff Environmental Engineer

Terracon Consultants, Inc.
United States, Pennsylvania, Harrisburg
May 16, 2026
General Responsibilities:
Environmental Engineer - FEMA Floodplain and Hydrology & Hydraulics (H&H) Focus -Harrisburg, PA

Terracon WANTS YOU if:

  • You're fascinated by flooding and stormwater.
  • You're a fan of naturally adaptive and resilient solutions.
  • You are a water resource enthusiast and love clean water.
  • You think math and technology are fun, and analytics excite you
  • You believe innovation and pragmatism are essential and compatible.
  • You are inquisitive and collaborative.
  • Challenges invigorate you.

...EXPLORE WITH US!

YOU'LL GET TO:

  • Design and analyze using hydrology and hydraulics (H&H) modelling
  • Model flooding, infiltration, and runoff
  • Quantify stormwater pollutant removal
  • Design green and gray stormwater management
  • Plan for shoreline and coastal resilience
  • Design stream restorations
  • Design dam projects and perform safety inspections
  • Analyze scour and sediment transport
  • Investigate water resources
  • Process wetland and waterway permits
  • Assess and restore watersheds
  • Author summary reports and presentations
  • Design AMD remediation
  • Assist with grant applications and management



YOU TELL US...What water resource concern do you want to solve?

SKILLS WE WANT:

  • Minimum 3-5 years' experience.
  • Bachelor's degree in Civil Engineering, Environmental Engineering, or related degree.
  • Master's degree in Engineering is a plus.
  • Professional Engineer (PE) registration preferred.
  • Engineer-in-Training (EIT) and ability to obtain a registration as a Professional Engineer (PE).
  • Will also considered certified allied professional with stormwater and/or stream design experience.
  • Certified Floodplain Manager (CFM) and other relevant certificates are valued.
  • Experience in any or all of the following: H&H modeling, floodplain analysis, shoreline/coastal resilience, dam design, scour analysis, riverine hydraulic analysis, hydrologic modeling and calculations, CLOMR, LOMR, stormwater management design, stream restoration, and the permitting and approval process.
  • Competence in HEC-RAS 1D, HEC-RAS 2D, SRH2D SMS, HydroCAD, SWMM or similar software modeling.
  • ArcGIS
  • Computer Drafting skills (Civil 3D, Carlson, MicroStation.
  • Project management skills in water resource design from concept through construction, including proposals, invoicing, project milestones, and deadlines.
  • Experience in preparing and processing PennDOT designs is a plus.
  • Competence in client relationship and meeting facilitation.
  • Proficiency in use of software for reports, presentations, and routine office administrative tasks.
  • Strong writing and verbal communication skills.
  • Willingness and ability to occasionally travel and work as needed to meet schedules.



YOUR CAREER GROWTH:

  • Personalized career path planning.
  • Paid internal and external education and training.
  • Career advancement opportunities locally and nationally

Essential Roles and Responsibilities:
Requirements:
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