Fuss & O'Neill is a Hartford-based civil and environmental engineering firm whose software stack spans hydraulic modeling (HEC-RAS, SWMM, SewerGEMS, WaterGEMS), structural analysis (RISA 3-D, Midas Civil, Tekla) and transportation design (OpenRoads, MicroStation). Hiring is accelerating and skews toward senior engineers plus a large intern cohort, with job posts pointing to dam work, PFAS treatment and climate resiliency as growth areas.
Notable leadership hires: Marketing Director
Fuss & O'Neill provides civil and environmental engineering services to public and private clients across the United States. Founded in 1924 and headquartered in Hartford, Connecticut, the privately held firm employs 201–500 people. Its service lines cover water and wastewater, land development, structural engineering, landscape architecture, hazardous materials, and safety services and training. Project delivery runs on Deltek Vantage for operations and Procore and Bluebeam for construction-phase coordination.
The firm uses AutoCAD Civil 3D, MicroStation, OpenRoads, Revit, ArcGIS Pro, HEC-RAS, HydroCAD, SWMM, WaterGEMS, RISA 3-D, Tekla, Procore, Bluebeam and Deltek Vantage.
Yes. Hiring is accelerating and concentrated in engineering, mostly at the senior level, with additional openings in transportation, water, and marketing, including a Marketing Director role, all in the United States.
Job posts reference brownfields redevelopment, dam repair and removal, stormwater system design, Massachusetts roadway and highway projects, biosolids treatment, and PFAS treatment solutions.
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Fuss & O'Neill's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →
This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.
