System Engineer with DNS knowledge (IoT) (m/f/d)

T-Systems Iberia

Madrid

Hybrid

EUR 45,000 - 60,000

Full time

3 days ago

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Benefits offered by this job

Health insurance

Meal vouchers

Childcare

Transport

Telemedicine

Life insurance

Social fund

Job summary

T-Systems Iberia is looking for top engineering talent at the Telco Hub in Madrid to merge IT and Telco, building and scaling Telco as a Platform (TaaP) on our layered cloud. Join cross-country, cross-functional squads delivering advanced services to Europe’s valued operators.

You will implement and operate physical, virtualized and containerized environments, integrate an IoT resolving platform in Kubernetes, and develop automation, testing and monitoring tools with Prometheus, Ansible and

Qualifications

DNS knowledge with PowerDNS and DoH/DoT/DoQ; TelCo exposure preferred.
Extensive Kubernetes experience to orchestrate CNFs.
Proficient in configuring and adapting Kubernetes for deployments.
Networking knowledge: IP, routers, LAN/WAN; troubleshooting with tracing tools.
Experience with monitoring and analytics (Prometheus, Medusa).

Responsibilities

Operate physical, virtualized, and containerized environments; integrate IoT platform in Kubernetes.
Troubleshoot system malfunctions; refine automation for failover and DR.
Develop test use cases; build scripts with Ansible, Bash, Perl, Python.
Apply changes to test, reference, and prod systems for stability and features.
Develop data analysis and monitoring tools; coordinate with cross-functional teams.
Collaborate with German operations to optimize processes and tooling.

Skills

Kubernetes

DNS knowledge

IP networks

Monitoring

Data analytics

Cross-functional collaboration

Tools

Ansible

Bash

Perl

Python

Wireshark

Kubernetes

Job 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

At the Telco Hub in Madrid, we are pioneers in merging IT and Telco, building and scaling Telco as a Platform (TaaP) on our proprietary layered cloud. Our teams operate in cross-country and cross-functional squads, delivering cutting-edge services to Europe's most valued Operator.

Our mission is to create the best customer experience based on three core principles:

Cloud-based – Harnessing the latest technologies for scalability and performance.
Automated – Driving efficiency through AI, automation, and DevOps.
Sustainable – Building a future-ready, environmentally conscious infrastructure.

We are looking for top engineering talent eager to grow technically and professionally in an innovative, dynamic, and collaborative environment. If you are passionate about shaping the future of telecommunications, this is your place!

Activity Description

Implementation and operation of physical, virtualized and containerized system environments- focus on integrating a new IoT resolving Plattform in Kubernetes
Analysis, troubleshooting and documentation of system malfunctions- Regular checks and refinement of automated processes and strategies such as failover, deployment and desaster recovery to ensure a highly available and resilient system with minimum recovery time
Identification, documentation and structuring of new test use cases- Development and optimization of scripts (Ansible, Bash, Perl, Python)
Implementing changes in test, reference and productive systems to enhance system stability and/or provide new features
Development of new methods and tools for data analysis and monitoring- Cooperate with cross-functional teams to ensure end-to-end system functionality
Collaborate closely with the german operations team to streamline processes, enhance software, tools and system performance and apply innovative technologies and concepts

Qualifications

Must-have requirements

Fundamental knowledge of DNS (PowerDNS, DoH/DoT/DoQ) --> preferably you have worked in a TelCo company
Extensive know-how in working with Kubernetes to orchestrate CNFs
Proficiency in using as well as adapting configurations for K8s is a must
Experience with IP networks, router and LAN/WAN technologies as well as troubleshooting them with tracing tools (e.g. wireshark)
Hands-on experience of monitoring systems and data analytics (Prometheus, Medusa, …)

Nice-to-have requirements

Very good analytical skills combined with strong quality awareness
Experience in classic and agile forms of cooperation

Considerations

Being oncall for round about 8 Weeks per year and rarely perform tasks outside of regular working hours

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

Customized training: access to Coursera to learn whatever you want, whenever you want
Weekly language classes (English, Spanish & German)
International Mentoring Sessions & Experience Days

Compensation & benefits