LJB Inc. Tech Stack

National engineering firm spanning civil, structural, geospatial, and safety design

Engineering Services Miamisburg, OH 201–500 employees Founded 1966 Privately Held

LJB is a 201–500-person engineering services firm built on CAD and BIM tools (MicroStation, AutoCAD Civil 3D, Revit, ArcGIS, Bluebeam) for infrastructure design across civil, structural, and geospatial domains. The hiring mix is heavily weighted toward senior and mid-level engineers (139 of 179 roles), with only 7 sales roles—typical of a project-led, engineering-driven firm. Active projects in trenchless design, bridge hydraulics, and seismic design align with pain points around rapid practice expansion and schedule/cost variance, suggesting scaling pressure as the firm grows.

Tech Stack 18 technologies

Core StackAutoCAD ArcGIS Revit Adobe Photoshop Adobe Illustrator MicroStation OpenRoads CAD BIM AutoCAD Civil 3D OpenRoads Designer GIS VISSIM Microsoft Office TransCAD Civil 3D Bluebeam HEC-RAS

What LJB Inc. Is Building

◆Challenges

Design process efficiency
Maintaining project profitability
Schedule and cost variance
Expanding transportation practice
Expanding water resources practice
Ensuring safety compliance
Securing new business
Rapid growth in trenchless design
Cost-effective safety solutions
Support and grow transportation practice

▲Active Projects

Installation of fall protection systems
Fema floodplain analyses and permitting
Fall protection design projects
In-house training materials for seismic design
Design tool development
Tunnel and trenchless design and construction projects
Rehabilitation projects
Bridge hydraulic analyses
Land development projects
Major tunnel infrastructure projects

Hiring Activity

Accelerating180 roles · 90 in 30d

Department

Engineering

166

Sales

Construction

Seniority

Senior

Mid

Junior

Intern

Manager

Lead

Notable leadership hires: Trenchless Rehabilitation Lead, Linear Infrastructure Lead

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About LJB Inc.

LJB, founded in 1966 and headquartered in Miamisburg, Ohio, is a nationally active engineering firm providing civil engineering, structural design, geospatial services (surveying, GIS, asset management), and specialized safety consulting (fall protection, confined space, seismic). The firm serves infrastructure owners and developers on projects spanning transportation, water resources, tunnels, bridges, and land development. With 92 engineering roles posted in the last 30 days and accelerating hiring velocity, LJB is scaling to meet demand in trenchless rehabilitation and transportation infrastructure—areas flagged as high-growth practice lines internally.

HeadquartersMiamisburg, OH

Company Size201–500 employees

Founded1966

Hiring MarketsUnited States, Canada

Frequently Asked Questions

What software does LJB Inc use for engineering design?

LJB's primary stack includes MicroStation, AutoCAD Civil 3D, Revit, ArcGIS, Bluebeam, OpenRoads Designer, VISSIM, and HEC-RAS. The firm also uses GIS and TransCAD for traffic and geospatial analysis.

What does LJB Inc specialize in?

Structural and civil engineering, fall protection design, geospatial services (surveying, GIS), environmental consulting, traffic studies, bridge hydraulics, trenchless design and rehabilitation, and seismic design. The firm is actively expanding its transportation and water resources practices.