Sargent & Lundy Tech Stack

Engineering firm designing and upgrading power generation, transmission, and nuclear infrastructure

Professional Services Chicago, IL 1,001–5,000 employees Founded 1891 Privately Held

Sargent & Lundy is a 1,891-founded architect-engineer with 1,000+ employees focused on power, energy, and decarbonization projects across nuclear, renewable, fossil, and grid modernization. The firm is rapidly scaling engineering talent (1,851 of 1,950 active roles) while adopting IoT and SCADA systems in place of legacy PLC/DCS infrastructure—a pattern matching their stated challenge of digitizing legacy power plant controls and modernizing nuclear facilities. Active projects cluster around nuclear uprates, electrical system upgrades, and new substations, indicating heavy execution demand across both new-build and retrofit work.

Tech Stack 103 technologies

Core StackArcGIS AutoCAD Python JavaScript Google Analytics Microstation Microsoft Office MicroStation PLC DCS IoT PSCAD PSS/E PowerWorld ETAP SEMrush Slope/W Excel Word STAAD SAP2000 ANSYS Bentley OpenBuildings Designer Navisworks Mathcad STAAD Pro RISA 3D Microsoft Access PLCs Civil 3D+72 more

AdoptingIoT SCADA

ReplacingPLC DCS

What Sargent & Lundy Is Building

◆Challenges

Digital upgrades
Modernizing nuclear power plants
Increase power output of existing power plants
Influx of work
Digitizing legacy power plant controls
Troubleshooting engineering issues
Plant upgrades and modifications
Modifying nuclear plant systems
Improving functionality of nuclear power plants
Meeting budget constraints

▲Active Projects

Upgrade of existing power plant electrical systems
Upgrades and modifications to nuclear power plants
Power plant electrical system design
Engineering design change packages for plant equipment upgrade
Design of new high voltage substations
New nuclear facilities
Engineering cost estimates for small to mid-sized client-requested work scopes
Nuclear power uprate projects
Distribution projects
Foak projects for nuclear industry

Hiring Activity

Accelerating2,000 roles · 1,000 in 30d

Department

Engineering

1851

Construction

Design

Legal

Consulting

Communications

Environmental

Security

Seniority

Senior

806

Mid

580

Lead

351

Junior

131

Intern

Manager

Principal

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About Sargent & Lundy

Sargent & Lundy delivers full-service engineering and architecture for power and energy infrastructure. The firm handles the complete project lifecycle: consulting, design, engineering, construction management, commissioning, and operations/maintenance. Clients span public utilities, private power operators, and government agencies across power generation, transmission, distribution, nuclear, renewable, and industrial sectors. The company operates from Chicago with a U.S.-based workforce and maintains deep expertise in nuclear power, grid modernization, wind/solar, energy storage, carbon capture, and hydrogen—positioning it for long-cycle utility and decarbonization work.

HeadquartersChicago, IL

Company Size1,001–5,000 employees

Founded1891

Hiring MarketsUnited States

Frequently Asked Questions

What is Sargent & Lundy's tech stack?

Primary tools: AutoCAD, MicroStation, ANSYS, PSCAD, PSS/E, PowerWorld, ETAP, SAP2000, Civil 3D, ArcGIS. The firm is actively adopting IoT and SCADA while phasing out legacy PLC and DCS systems.