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Day & Zimmermann Tech Stack

Heavy industrial EPC and operations contractor with 37,000+ employees across 900+ locations

Construction Philadelphia, PA 10,001+ employees Founded 1901 Privately Held

Day & Zimmermann operates across construction, engineering, operations & maintenance, staffing, and defense with a sprawling footprint: 37,000+ employees, $3B annual revenue, 900+ locations. Their tech stack is heavily SAP-centric (ERP, HR, analytics) layered with specialized industrial tools (AutoCAD, Primavera P6, PLC), reflecting a mature, regulated business managing complex capital projects. Active hiring across construction and engineering roles, plus recent adoption of proprietary GenAI tools, signals they're tackling forecasting and scheduling pain points that plague large EPC contractors.

Tech Stack 42 technologies

Core StackSAP AutoCAD Power BI Primavera P6 SAP SuccessFactors SAP S/4HANA SAP MM PLC Microsoft Office Word Microsoft Access Excel Outlook PowerPoint Microsoft Project Blackline SuccessFactors Primavera P3 Teams OneDrive SAP R/3 RFID Cisco ASA F5 BIG-IP SAP ECC SAP FI SAP CO SAP Analytics Cloud SAP SD SAP PS+12 more

What Day & Zimmermann Is Building

Challenges

  • Improving estimating databases
  • Process reporting analytics improvements
  • Forecasting accuracy
  • Reducing downtime
  • Daily production issues
  • Reducing total cost of goods
  • Ensuring safety compliance
  • Continuous improvement of supply chain processes
  • Ensuring product conforms to performance specifications
  • Improving production processes

Active Projects

  • Nuclear power plant epc project
  • Combined cycle project in clarksburg, wv
  • Lean manufacturing and six sigma initiatives
  • New product introductions and scale-ups
  • Equipment upgrades and machine cell designs
  • Improving estimating databases
  • Master schedule integration and reporting
  • Spring outage work
  • Continuous improvement system design
  • Adoption of proprietary genai tools

Hiring Activity

Steady100 roles · 40 in 30d

Department

Construction
26
Engineering
26
Ops
14
Manufacturing
11
HR
9
Finance
7
Executive
2
Logistics
2

Seniority

Senior
27
Mid
25
Intern
13
Staff
12
Manager
9
Junior
8
Director
4
Lead
4

Notable leadership hires: Program Director

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About Day & Zimmermann

Day & Zimmermann is a privately held industrial contractor founded in 1901, headquartered in Philadelphia. The company manages engineering, procurement, and construction (EPC) projects in nuclear power and combined-cycle power generation, alongside operations & maintenance, staffing, and security/defense operations. With 37,000+ employees distributed across 900+ locations primarily in the US and Canada, Day & Zimmermann serves mid-sized to enterprise industrial customers. Current project focus includes major nuclear and power generation builds, equipment upgrades, lean manufacturing initiatives, and continuous improvement programs—all underpinned by SAP-based project controls and analytics.

HeadquartersPhiladelphia, PA
Company Size10,001+ employees
Founded1901
Hiring MarketsUnited States, Canada

Frequently Asked Questions

What is Day & Zimmermann's tech stack?

SAP (ERP, FI, CO, SD, MM, PS, Analytics Cloud, SuccessFactors), Primavera P6, AutoCAD, Microsoft Office suite, Power BI, Blackline, and industrial control systems (PLC, RFID, Cisco ASA, F5 BIG-IP).

How many employees does Day & Zimmermann have?

The company has 37,000+ employees across 900+ workplace locations globally, with annual revenue of $3 billion USD.

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