---
title: "Theod. Mahr Söhne GmbH"
canonical: "https://www.metaintro.com/company/theod-mahr-sohne-gmbh"
language: "en"
industry: "HVAC and Refrigeration Equipment Manufacturing"
headquarters: "Deutschland"
website: "https://www.mahr-heizung.de/"
open_roles: 37
---

# Theod. Mahr Söhne GmbH

Theod. Mahr Söhne GmbH ist ein bereits in der sechsten Generation geleitetes Familienunternehmen und die älteste Heizungsfirma Deutschlands. Damals wie heute, bieten wir Ihnen immer die modernsten Lösungen im Bereich Heizung und Klimatechnik, vom Wohngebäude bis hin zu 1.000 Jahre alten Bauwerken.

## Open roles

- [IT Systems Electronics Technician Trainee (m/f/d) for 2027](https://www.metaintro.com/job/it-systems-electronics-technician-trainee-m-f-d-for-2027-at-theod-139bb52b-5f41-580f-9362-91f0f99719fc) — Aachen, North Rhine-Westphalia, Germany
- [Metalworker Trainee (m/f/d) for 2027](https://www.metaintro.com/job/auszubildende-metallbauer-m-w-d-fur-2027-at-theod-mahr-sohne-gmbh-af8ee617-a971-5e10-a4b7-b8cd5ef077fc) — Aachen, North Rhine-Westphalia, Germany
- [Apprentice Mechatronics Technician for Refrigeration Technology (m/f/d) for 2027](https://www.metaintro.com/job/auszubildende-mechatroniker-fur-kaltetechnik-m-w-d-fur-2027-at-theod-396357b9-cf35-5ec1-a317-3e71376f02a4) — Aachen, North Rhine-Westphalia, Germany
- [Industrial Business Management Trainee (m/f/d) for 2027](https://www.metaintro.com/job/auszubildende-industriekaufmann-industriekauffrau-m-w-d-fur-2027-at-2ed575d8-86e1-5cb7-b839-bd7b49982f05) — Aachen, North Rhine-Westphalia, Germany
- [Apprentice Plant Mechanic for Sanitary, Heating and Air Conditioning Technology (m/f/d) for 2027](https://www.metaintro.com/job/auszubildende-anlagenmechaniker-sanitar-heizungs-und-klimatechnik-m-w-8c74f046-65f2-56e7-899b-ae6db6a6ae4b) — Aachen, North Rhine-Westphalia, Germany
- [Apprentice Electronics Technician for Building Systems Integration (m/f/d) for 2027](https://www.metaintro.com/job/auszubildende-elektroniker-fur-gebaudesystemintegration-m-w-d-fur-3c61c4cf-4383-576f-a75d-4b48236b0e0e) — Aachen, North Rhine-Westphalia, Germany
- [Service Technician (m/f/d) for Northern Germany](https://www.metaintro.com/job/service-technician-m-f-d-for-northern-germany-at-theod-mahr-sohne-gmbh-6355a020-449c-5d33-8c20-2f95f21ad926) — Lower Saxony, Germany
- [Electrician / Electronics Technician for Instrumentation, Control, and Regulation (m/f/d)](https://www.metaintro.com/job/electrician-electronics-technician-for-the-msr-measurement-control-d82b8289-31b1-512c-9483-146dbcf39828) — Aachen, North Rhine-Westphalia, Germany

[View all 37 roles](https://www.metaintro.com/company/theod-mahr-sohne-gmbh/jobs/all)

## Skills they ask for

Most frequent across open postings.

### Most requested skills

- Control systems
- Troubleshooting
- Fault diagnosis
- System commissioning
- Operator training
- Electrical wiring
- Fire protection
- Class B license
- Heating systems
- Electrical controls
- Maintenance
- TIG welding

### Tech stack

- **CMS:** WordPress
- **Libraries:** jQuery

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## Questions about Theod. Mahr Söhne GmbH

### Is Theod. Mahr Söhne GmbH hiring?

Yes. As of November 5, 2026, Theod. Mahr Söhne GmbH has 37 open roles on Metaintro. 7 were posted in the last 30 days. The most are in Architecture and Construction (29), Manufacturing (4), and Science, Technology, Engineering, and Math (2).

### Where is Theod. Mahr Söhne GmbH hiring?

Theod. Mahr Söhne GmbH is hiring in Aachen, North Rhine-Westphalia, Germany, Lower Saxony, Germany, Ringgau, and Rosenheim, with the most open roles in Aachen.

### What skills does Theod. Mahr Söhne GmbH look for?

Its open roles most often ask for Control systems, Troubleshooting, Fault diagnosis, System commissioning, and Operator training.