Croonwolter&dros Tech Stack

Engineering and systems integration for industrial infrastructure

IT Services and IT Consulting Rotterdam, South Holland 1,001–5,000 employees Founded 1875 Privately Held

Croonwolter&dros is a 1,000+ person engineering and systems integration firm headquartered in Rotterdam, built on 140+ years of electrical and mechanical infrastructure work. The tech stack reveals a heavy focus on industrial control systems (Siemens PLC, SCADA, DCS) and CAD/BIM workflows (Revit, AutoCAD, Enterprise Architect), paired with emerging adoption of Databricks and Microsoft Fabric—suggesting they're modernizing data pipelines for asset management and project analytics. The engineering-dominant hiring mix (302 roles) and active workload across tunnels, hospital installations, and factory upgrades confirms their core operation: large-scale infrastructure projects with embedded automation and compliance complexity.

Tech Stack 25 technologies

Core StackRevit Siemens SAP dbt Python AutoCAD SAP S/4HANA BIM Enterprise Architect IEC 61850 IEC 60870-5-104 Navisworks Solibri PLC Azure Synapse Analytics SAP Field Service Management SCADA DCS Siemens TIA Portal Siemens PCS 7 Siemens WinCC OA CAD

AdoptingDatabricks Microsoft Fabric OutSystems

What Croonwolter&dros Is Building

◆Challenges

Ensuring safety compliance
Cost control
Maintaining existing installations during conversion
Complex maintenance issues
Complex utility projects
Maintaining infrastructure for water boards and energy transitions
Complete and optimal cost calculations
Process inefficiencies across divisions
Prevent production line downtime
Optimizing processes

▲Active Projects

New construction projects
Tunnel projects
Renovation projects
Installation projects for tkf
Maintenance for projects up to €400k
Tunnels
Electrical installations in hospitals
Large modifications to factory installations
Low voltage installations for high voltage stations
Sluices

Hiring Activity

Decelerating420 roles · 55 in 30d

Department

Engineering

302

Maintenance

Ops

Construction

Design

Sales

Security

Operations

Seniority

Mid

241

Senior

Lead

Junior

Manager

Intern

Notable leadership hires: Infra Design Lead, Design Lead, Lead Engineer, Energy Design Lead, Tech Lead

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About Croonwolter&dros

Croonwolter&dros designs, integrates, and maintains electrical and mechanical systems for industrial and infrastructure clients—hospitals, water authorities, energy operators, and large manufacturing facilities. Their project portfolio spans new construction, renovation, tunnel work, and long-term maintenance contracts (some valued up to €400k). The company operates across Netherlands and Peru, with a workforce scaled toward mid- and senior-level engineers. Primary pain points revolve around safety compliance, cost control during complex conversions, preventing production downtime, and optimizing workflows across their internal divisions—all typical of a service-heavy organization managing multiple concurrent site-based projects.

HeadquartersRotterdam, South Holland

Company Size1,001–5,000 employees

Founded1875

Hiring MarketsNetherlands, Peru

Frequently Asked Questions

What is Croonwolter&dros's tech stack?

Core stack: Siemens PLC, SCADA, DCS, AutoCAD, Revit, BIM, Enterprise Architect. SAP suite (S/4HANA, Field Service Management) for ERP and maintenance management. Adopting Databricks and Microsoft Fabric for analytics.

Where is Croonwolter&dros headquartered?

Rotterdam, South Holland, Netherlands. Founded in 1875; currently 1,001–5,000 employees. Also has hiring presence in Peru.

What projects is Croonwolter&dros working on?

Tunnel projects, hospital electrical installations, factory modifications, low-voltage/high-voltage station work, water infrastructure for sluices and water boards, renovation and new construction with maintenance contracts up to €400k.