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Company profile

LJC Tech Stack

Design-build architecture and engineering for data centers and industrial plants

Architecture and Planning Chicago, Illinois 201–500 employees Founded 1999 Privately Held
theljc.com LinkedIn

LJC is a Chicago-based architecture and engineering firm whose stack goes well beyond typical AEC tooling: alongside Revit, Navisworks and Tekla, it uses SCADA, Ignition, Wonderware, Rockwell FactoryTalk, ETAP and industrial protocols like Modbus and DNP3. That points to deep controls and power-systems work for mission-critical data centers and process plants. Hiring is accelerating and skews heavily toward senior engineering talent.

Tech Stack 35 technologies

Core StackRevit AutoCAD Adobe Creative Cloud Allen-Bradley Siemens Adobe InDesign Adobe Illustrator ArcGIS SketchUp Navisworks ETAP Enscape Plant 3D Bluebeam GIS Tekla Structural Designer SCADA BMS Modbus OPC DNP3 HMI Ignition Wonderware Rockwell FactoryTalk Schneider Electric Civil 3D Photoshop ArcView Rhino+5 more

What LJC Is BuildingChallenges and projects from their job posts

◆Challenges

  • Meeting stringent uptime and efficiency requirements
  • Risk assessment for mission-critical facilities
  • Regulatory and industry standards compliance in manufacturing
  • Complex integration of fire protection systems
  • Complex multidisciplinary facility design
  • Inefficient workflows and schedule alignment

▲Active Projects

  • Mission-critical data center and electrical system design
  • Pharmaceutical manufacturing and cleanroom facility design
  • Industrial manufacturing process design
  • Food, beverage, meat and pet food processing
  • Multi-discipline design integrations
  • Residential architectural projects (Types III and V)

Hiring Activity

Accelerating40 roles · 7 in 30d

Department

Engineering
26
Design
14

Seniority

Senior
25
Mid
7
Lead
4
Principal
3
Junior
1
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About LJC

LJC is a privately held architecture, engineering and design firm founded in 1999 and headquartered in Chicago, Illinois, with 201–500 employees. It operates as a subsidiary of design-build contractor Clayco, so designers and builders work as one team from project start. Services span architecture, structural, building services and process engineering, interior design, landscape architecture, urban planning and sustainability. Offices are located in Chicago, Denver, Kansas City, Los Angeles, Phoenix and St. Louis. Core sectors include mission-critical facilities, industrial manufacturing, life sciences and food processing.

HeadquartersChicago, Illinois
Company Size201–500 employees
Founded1999
Hiring MarketsUnited States

Frequently Asked Questions

What software does LJC use for design and engineering?

LJC uses Revit, AutoCAD, Navisworks, Civil 3D, Plant 3D, Tekla Structural Designer, Enscape, Rhino, SketchUp and Bluebeam, plus ETAP, ArcGIS and controls platforms like Ignition, Wonderware and Rockwell FactoryTalk.

Is LJC hiring engineers?

Yes. LJC's hiring is accelerating and concentrated in engineering and design, with a strong tilt toward senior, lead and principal roles across the United States.

What kind of projects does LJC work on?

Job posts point to mission-critical data centers and electrical design, industrial and food processing plants including meat and pet food, pharmaceutical manufacturing, cleanrooms and residential architecture.

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How this profile is built

LJC'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.