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
4.0
Feb 17, 2026
Recommend
CEO approval
Business Outlook

Pros

A system is a set of interconnected components that work together to achieve a specific goal.

Cons

A system is a group of parts that work together in an organized way to perform a function or achieve a goal.

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T-Systems Response
4mo
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! support_career@telekom.de Best regards, Your Telekom Career Team
4.0
Feb 5, 2026

Good

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Good Work life balance here

Cons

no growth opportunity in some projects

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T-Systems Response
4mo
Hello, Thank you for your thoughtful feedback. We’re pleased to hear that your experience with Deutsche Telekom has been mostly positive. Feedback like yours helps us continuously improve and ensure that we maintain a supportive and rewarding work environment. If you’d like to share more insights, don’t hesitate to contact us at support_career@telekom.de Best regards, Your Telekom Career Team
4.0
Feb 3, 2026
Recommend
CEO approval
Business Outlook

Pros

1. Stability in role 2. Work life balance is unmatched 3. Flat org 4. Open to ideas

Cons

1. No benefits like transport, gym, etc. 2. Lower than average hikes 3. Low exposure

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T-Systems Response
4mo
Hello, Thank you for taking the time to share your feedback. We're glad to hear that your experience with Deutsche Telekom has been largely positive. Your input is invaluable in helping us grow and maintain a workplace that supports and inspires our employees. If you have any further thoughts or suggestions, feel free to reach out to us at support_career@telekom.de. Best regards, Your Telekom Career Team
Viewing 37 - 39 of 2,260 Reviews

Glassdoor has 4,324 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.