Senior or Principal Water Resources Engineer or Scientist

Geosyntec Consultants; Orlando (FL); On-site; USD 110,000 - 160,000; Full time

Job summary

Geosyntec Consultants seeks a Senior or Principal Water Resources Engineer or Scientist to lead complex hydrologic and hydraulic studies and green infrastructure planning across Florida offices. This role emphasizes innovative design, flood risk assessment, and regulatory support.

The position requires a PE license, 8+ years of experience, strong writing and communication skills, field work, and willingness to travel. Primary location is Florida offices with regional collaboration.

Qualifications

• Bachelor's degree in environmental or civil engineering (required).
• Professional licensure (e.g., P.E., P.G.) (required).
• 8+ years of research or related experience; 10+ years preferred.
• Experience with hydrologic/hydraulic modeling and design software (EPA-SWMM, HEC-HMS, HEC-RAS, AutoCAD, ArcGIS) (required or preferred).
• Ability to manage multiple projects, meet deadlines, and travel to client facilities.

Responsibilities

• Performing and overseeing detailed hydrologic and hydraulic studies.
• Developing innovative green infrastructure solutions for urban environments.
• Applying 1-D to 3-D hydrologic/hydraulic modeling software.
• Conducting floodplain mapping and flood protection design.
• Leading field investigations and construction support services.
• Preparing construction documents and technical specifications.
• Interacting with clients and directing multidisciplinary project teams.
• Supporting business development and mentoring staff.

Skills

Hydrologic modeling

Hydraulic modeling

Software: EPA-SWMM

HEC-HMS

HEC-RAS

AutoCAD

ArcGIS

Field work

Travel readiness

Communication skills

Driver's license

Education

Bachelor's in environmental or civil engineering

Advanced degree preferred

Professional licensure (P.E., P.G., CPESC, CPSWG)

Tools

EPA-SWMM

HEC-HMS

HEC-RAS

AutoCAD

ArcGIS

Job description

Senior or Principal Water Resources Engineer or Scientist

Overview

Do you want to build an impactful career to change the world for the better?

Geosyntec has an exciting opportunity for a Senior or Principal Water Resources Engineer or Scientist with flexibility to sit in any of our Florida office locations (Jacksonville, Orlando, Tampa, Melbourne, Boca Raton, West Palm Beach, Clearwater, Pensacola, Tallahassee, and Gainesville). The position will work on complex projects involving innovative urban stormwater management and natural surface water systems, including sustainable green infrastructure planning studies, urban stormwater infrastructure design and infrastructure, flood mitigation practices, hydrologic/hydraulic analysis including dam breach studies and floodplain mapping, stream restoration, surface water, watershed, and stormwater runoff monitoring/modeling, industrial and construction site NPDES permitting support and inspections, & Clean Water Act regulatory support.

Geosyntec is an innovative, international engineering and consulting firm serving private and public‑sector clients to address new ventures and complex problems involving our environment, natural resources or civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience and exceptional client service.

We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well‑being programs to support you and your family.

To Learn More Visit: http://www.geosyntec.com/careers/.

Essential Duties and Responsibilities

• Performing and overseeing detailed hydrologic and hydraulic studies;
• Developing innovative green infrastructure solutions for the urban environment;
• Applying innovative hydrologic and hydraulic modeling software, from 1-D to 3-D transport models;
• Floodplain mapping and flood protection designs;
• In-stream and urban stormwater water quality monitoring and modeling;
• Field investigations and construction support services;
• Developing construction documents, including engineering drawings and technical specifications;
• Preparing erosion and sediment control designs;
• Interacting with client representatives;
• Directing multidisciplinary project teams;
• Task and project‑level responsibility for scoping, performing, managing and delivering multiple concurrent project assignments;
• Consistent with our sell‑manage‑do business model, play a role supporting lead generation, business development, staff development, and mentoring; and
• Help broaden our reputation via publishing and visibility at prominent industry conferences.

Education and Licensure

• Bachelor's degree in environmental or civil engineering, natural resources or other science, with emphasis on water resources or closely related discipline. (required)
• Advanced degree in the same. (preferred)
• Professional registration (i.e., P.E., P.G. CPESC, CPSWG). (required)

Skills, Experience and Qualifications

• At least 8 years (10+ years preferred) of research or related experience, or equivalent combination of education and experience. (required)
• Experience with modeling and design software tools such as EPA-SWMM, HEC-HMS, HEC-RAS, AutoCAD, and ArcGIS. (preferred)
• Ability to succeed in a fast‑paced consulting environment, handling multiple project assignments, meeting strict deadlines, and traveling to client facilities as needed. (required)
• Excellent writing and communication skills. (required)
• Regular field work and overnight travel. (required)
• Health & Safety training, medical monitoring, and client‑driven drug and background testing may be required.
• Valid U.S. driver's license and a satisfactory driving record for business travel. (required)

Primary Location: US-FL-Jacksonville

ID: 2026-4740

Contract Type: Regular Full-Time

Remote: No

Additional Locations: US-FL-Orlando, US-FL-Tampa, US-FL-Boca Raton, US-FL-West Palm Beach, US-FL-Clearwater, US-FL-Pensacola, US-FL-Tallahassee, US-FL-Gainesville