Z

Zennio Tech Stack

KNX automation hardware and control systems for residential and commercial buildings

Appliances, Electrical, and Electronics Manufacturing Toledo, Toledo 201–500 employees Founded 2005 Privately Held

Zennio manufactures KNX-certified automation devices—touch panels, climate controls, sensors, actuators, lighting, and access systems—deployed across 117 countries. The tech stack is hardware-centric (PLC, C, C#, embedded tooling) with downstream manufacturing and CAD pipelines (SolidWorks, Altium, AutoCAD), reflecting a capital-intensive product business. Active pain points around RMAs, homologation, and production digitalization signal ongoing operational scaling challenges as they push into new markets, particularly the USA.

Tech Stack 24 technologies

Core StackPython Linux SAP Adobe Illustrator AutoCAD C# MySQL SolidWorks .NET KNX C bash Eclipse Visual Studio Code Subversion Git Odoo Solid Edge Altium 365 TIA Portal PLC VB.NET CRM SQL

What Zennio Is Building

◆Challenges

Managing delivery incidents
Minimizing incidents during homologation
Reducing rmas
Identifying talent gaps
Production system digitalization
Capturing new clients
Retaining strategic clients
Ensuring product quality and availability
Expanding into usa market
Tracking account status

▲Active Projects

Sales strategy development
Validations of new products and paint designs
Automation of production tasks
Production test tool development
New product development
Project programming
Beta tests
Leading integrations
Trade show participation
Implement learning management system

Hiring Activity

Steady50 roles · 20 in 30d

Department

Engineering

21

Sales

13

Manufacturing

6

Logistics

4

HR

3

Ops

2

Support

2

Marketing

1

Seniority

Mid

34

Junior

14

Manager

3

Senior

1

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About Zennio

Zennio is a KNX automation manufacturer based in Toledo, Spain, serving residential, hotel, and commercial property developers. The product line spans 250+ certified devices covering control interfaces, environmental sensing, lighting management, and energy optimization. Operations span 117 countries, with active hiring across 10 geographies—predominantly engineering and sales roles. Current initiatives include production automation, new product validation, sales strategy development, and beta testing of integrations; internal focus areas include supply-chain reliability, quality assurance, and talent acquisition in specialized areas.

HeadquartersToledo, Toledo

Company Size201–500 employees

Founded2005

Hiring MarketsMexico, Spain, Austria, United States, Malaysia, Italy, France, Germany

Frequently Asked Questions

What countries does Zennio hire in?

Zennio actively recruits across Mexico, Spain, Austria, United States, Malaysia, Italy, France, Germany, Philippines, and Portugal, with largest teams in Spain.

What is Zennio's tech stack?

Core stack: KNX, C, Python, C#, PLC. CAD/design: SolidWorks, AutoCAD, Altium 365, Solid Edge. Development: Git, VS Code, Eclipse, Linux. ERP: SAP, Odoo. Database: MySQL, SQL.