T-Systems reviews

3.7

74% would recommend to a friend

(2,260 total reviews)
avatar

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
1.0
Jan 16, 2026
Recommend
CEO approval
Business Outlook

Pros

The infrastructure is pretty decent

Cons

Management was poor and a lot of politics

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T-Systems Response
5mo
Hi, Thank you for your feedback — we’re glad you found the infrastructure solid, and we take your concerns about management and internal politics seriously as important areas for improvement. Feedback like yours is essential in helping us identify areas where we can improve and create a better work environment. feel free to email us at support_career@telekom.de We appreciate having you on the team! Kind regards, Your Telekom Career Team
3.0
Jan 14, 2026

Worst HR

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Good work life balance in the company

Cons

HR is not helpful. Always change policy which is best suited for them.

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T-Systems Response
5mo
Hello, Thank you for your feedback — we’re glad you value the good work-life balance and take your concerns about HR and policy changes seriously. Your feedback is important to us as we continuously strive to improve. If you’d like to discuss your experience further, please don’t hesitate to email us at support_career@telekom.de. Thank you for being part of our team! Best regards, Your Telekom Career Team
5.0
Jan 11, 2026

cool

Recommend
CEO approval
Business Outlook

Pros

Colleagues Care Community Office / remote Salary

Cons

1 2 3 4 5

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T-Systems Response
5mo
Thank you for your feedback — we’re glad you appreciate your colleagues, the supportive environment, community, flexible work options, and salary. Your feedback is important to us as we continuously strive to improve. If you’d like to discuss your experience further, please don’t hesitate to email us at support_career@telekom.de. Thank you for being part of our team! Best regards, Your Telekom Career Team
Viewing 46 - 48 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.