Automation tester (m/f/d)
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Before you apply
LocationMadrid, MD, es
Work modehybrid
Typefull-time
SeniorityMid
DepartmentO-SISGD - GDC Iberia (34005365)
Company size10,000+ people
PostedJul 29, 2026 · 3mo ago
Verified live22h ago
At a glanceSummarised by Seekless from the posting.
Strong knowledge of IP network infrastructure
Advanced Linux expertise
Experience with IP protocols (Radius, Diameter, SIP, SOAP)
Cloud technologies: containers, Kubernetes, Docker
Database knowledge (Redis, SQL databases)
Experience with software testing methodologies (manual and automated testing)
Familiarity with testing tools (e.g., Jira, Robot Framework)
CI/CD toolchain experience (e.g., Git, Ansible, Cucumber, Flux, Argo)
Strong understanding of requirements and specifications
English proficiency (minimum B2 level)
Analytical and structured thinking
Detail-oriented and precise working style
Strong skills in defect analysis and documentation
Solid understanding of testing processes (e.g., Agile, Scrum)
Strong teamwork and communication skills, especially in international environments
High level of initiative and accountability
Solution-oriented mindset
Willingness to learn and adapt to new technologies
Basic programming skills (e.g., Java, Python, JavaScript) are an advantage
Experience with AI-supported testing tools is a plus
Flexibility to work night shifts and participate in on-call duties
Skills
Linux
Radius
Diameter
SIP
SOAP
Kubernetes
Docker
Redis
SQL
Jira
Robot Framework
Git
Ansible
Cucumber
Flux
Argo
Java
Python
JavaScript
Benefits
Health insurance
Meal vouchers
Childcare
Transport
Telemedicine
Life insurance
Accident insurance
Social fund
Unlimited PTO
Company Description
T‑Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.
We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.
Job Description
Project Description:
The team is responsible for the development & operations of Monitoring and DataAnalytics Tools for the Network Control Platform of Deutsche Telekom Germany (AAA Fixed Net Germany).
The project is responsible for controlling Internet access and managing the underlying network infrastructure for Deutsche Telekom Germany. It supports millions of concurrent user sessions while ensuring high availability, scalability, and reliability.
Key capabilities include:
•
Authentication, Authorization, and Accounting (AAA) for secure user access management.
•
Dynamic service provisioning to enable automated customer and network service activation.
•
Support for all-IP services, including MagentaTV, IP telephony, and other next-generation network services.
Activity Description:
•
Execute and validate software releases through structured testing.
•
Develop and enhance test automation frameworks.
•
Maintain and evolve CI/CD pipelines and test environments.
•
Operate and support test systems, including deployment of software deliveries
•
Design, execute, and document platform-level test cases, including reporting for formal acceptance
•
Define and refine test cases to extend coverage and validate new functionalities
•
Integrate solutions into the Deutsche Telekom test framework
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Ensure proper documentation within internal tool systems
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Perform troubleshooting and provide operational support during testing and rollout phases
•
Support internal and external stakeholders in the test environment
Qualifications
Required Skills
•
Strong knowledge of IP network infrastructure.
•
Advanced Linux expertise.
•
Experience with IP protocols (Radius, Diameter, SIP, SOAP).
•
Cloud technologies: containers, Kubernetes, Docker.
•
Database knowledge (Redis, SQL databases).
•
Experience with software testing methodologies (manual and automated testing).
•
Familiarity with testing tools (e.g., Jira, Robot Framework).
•
CI/CD toolchain experience (e.g., Git, Ansible, Cucumber, Flux, Argo).
•
Basic programming skills (e.g., Java, Python, JavaScript) are an advantage.
•
Experience with AI-supported testing tools is a plus.
•
Strong understanding of requirements and specifications.
•
English proficiency (minimum B2 level).
Methodological Competencies
•
Analytical and structured thinking.
•
Detail-oriented and precise working style.
•
Strong skills in defect analysis and documentation.
•
Solid understanding of testing processes (e.g., Agile, Scrum).
Personal Qualifications
•
Strong teamwork and communication skills, especially in international environments.
•
High level of initiative and accountability.
•
Solution-oriented mindset.
•
Willingness to learn and adapt to new technologies.
•
Flexibility to work night shifts and participate in on-call duties.
Additional Information
What do we offer you?
Work environment & flexibility
•
International, dynamic and collaborative environment.
•
T-Social: social initiatives (sports, community, health, …).
•
Hybrid work model (remote/on-site).
•
Flexible working hours.
Growth & development
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Customized training: access to Coursera to learn whatever you want, whenever you want.
•
Weekly language classes (English & German).
•
International Mentoring Sessions & Experience Days.
Compensation & benefits
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Flexible compensation plan (health insurance, meal vouchers, childcare, transport).
•
Telemedicine.
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Life and accident insurance.
•
Social fund.
Wellbeing & time off
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26+ working days of vacation per year.
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Free access to specialist services (medical, legal, wellness).
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100% salary coverage during medical leave.