T-Systems reviews

3.7

74% would recommend to a friend

(2,260 total reviews)
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Dr. Ferri Abolhassan

72% approve of CEO

59% positive business outlook

T-Systems has an employee rating of 3.7 out of 5 stars, based on 2,260 company reviews on Glassdoor which indicates that most employees have a good working experience there. The T-Systems employee rating is in line with the average (within 1 standard deviation) for employers within the Tecnologías de la información industry (3.9 stars).

Reviews by job title

2K reviews
2.0
Dec 16, 2025
Recommend
CEO approval
Business Outlook

Pros

Flexible work-from-home culture supported good work–life balance Low work pressure helped maintain consistent productivity and reduced burnout Supportive environment that allowed employees to plan and deliver work independently Focus on output rather than constant monitoring encouraged accountability

Cons

Expectation of fair and consistent policy implementation, especially regarding notice period reductions, which were granted to some employees but not uniformly applied

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T-Systems Response
5mo
Thank you for sharing your feedback. We are glad to hear that you value the flexible work-from-home culture, supportive environment, and focus on output at T‑Systems. At the same time, we take your comments regarding policy fairness and consistency seriously. If you would like to share further details, you are welcome to contact us at support_career@telekom.de Best regards, Deutsche Telekom Career Team
4.0
Dec 2, 2025

Good work life balance

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

good for work life balance

Cons

There is no technical growth.

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T-Systems Response
6mo
Hello, Thank you very much for your positive feedback! We are delighted to hear that you are happy with us as an employer. Your kind words motivate us to continue creating a supportive and inspiring work environment. We would love to welcome more talented individuals to our team, so we truly appreciate any recommendations! Feel free to contact us at this email: support_career@telekom.de Best regards, Your Telekom Career Team
4.0
Dec 1, 2025

Good working culture

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Good working culture, also have the environment is good

Cons

hike is less, pay is also less

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T-Systems Response
6mo
Hello, Thank you for your positive review! We truly appreciate your feedback and are delighted to hear that you had a great experience with T-Systems. Our team is committed to delivering innovative solutions and excellent service, and it’s wonderful to see that reflected in your experience. If there’s anything else we can do for you, please don’t hesitate to reach out. We look forward to continuing our successful collaboration! Feel free to contact us at this email: support_career@telekom.de Best regards, Your Telekom Career Team
Viewing 55 - 57 of 2,260 Reviews

Glassdoor has 4,325 T-Systems reviews submitted anonymously by T-Systems employees. Read employee reviews and ratings on Glassdoor to decide if T-Systems is right for you.