DevOps Engineer for Enterprise Core Services (m/f/d)

T-Systems Iberia; Madrid; Híbrido; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

Flexible hours

Health insurance

Meal vouchers

Transportation allowance

Telemedicine

Life insurance

Wellbeing programs

Descripción de la vacante

T-Systems Iberia in Madrid is seeking an experienced telecom engineer to join the Data Tribe’s packet core squad. You will analyze customer requirements, design cloud-native network functions, and drive deployments in 4G/5G core networks using modern cloud platforms.

The role offers a hybrid work model, international collaboration, and a path to grow technically and professionally in a dynamic, innovative environment.

Formación

• In-depth understanding of mobile core network applications: 4G ePC, 5G NSA/SA.
• Several years of experience in a telecommunications company operating telecom services.
• Experience operating containerized network functions (CNF) in cloud-native environments.
• Hands-on Linux administration.
• Hands-on tracing and protocol analysis in microservice architectures.
• Ability to work independently and in international, cross-cultural teams.

Responsabilidades

• Analyze customer and business requirements and translate them into suitable solution and system designs and into clear technical requirement descriptions for the implementation teams.
• Engineering and designing cloud-native network functions.
• Improve implementations to optimize customer experience, reliability and efficiency.
• Design and create automation solutions for provisioning and operation of services.
• Design and create high availability solutions and disaster recovery plans to ensure service stability.
• Provide support for complex projects across development, QA, and project planning, and assist with new mobile core software releases.
• Collaborate with implementation teams to streamline processes and improve software and system performance.

Conocimientos

Mobile core knowledge

CNF / containerized NF

Linux administration

Protocol analysis

Independent / cross-cultural teamwork

Incident/Change management

Herramientas

Kubernetes

GitLab

Ansible

Wireshark

ELK-Stack

VS Code

Python

Jira

BIND 9

Descripción del empleo

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.

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!

The Data Tribe (T-DAT) within the Services & Platforms (T-SP) division bears holistic responsibility for all data services in the fixed and mobile networks throughout their entire lifecycle. The Packet Core Supersquad/Enterprise Core Squad is responsible for our business customer services in our mobile core networks. In this position, you will analyze new customer and business requirements, design suitable solutions, and initiate all necessary developments and adaptations in our state-of-the-art cloud-native 4G and 5G core networks.

Responsibilities And Duties

• Analyze customer and business requirements and translate them into suitable solution and system designs and into clear technical requirement descriptions for the implementation teams.


• Engineering and designing cloud-native network functions.


• Improve implementations to optimize customer experience, reliability and efficiency.


• Design and development of automation solutions for the provisioning and operation of services.


• Design and create high availability solutions and disaster recovery plans to ensure service stability and rapid recovery.


• Provide support for complex projects across development, quality assurance, and project planning, as well as assist with the implementation of new mobile core software releases.


• Collaborate closely with involved implementation teams to streamline processes, enhance software and system performance and apply innovative technologies and concepts.

Must-have requirements

• In-depth understanding of mobile core network applications, including their functions, procedures, interfaces and protocols in 4G enhanced packet core (4G ePC), 5G non-standalone core (5G NSA) and 5G standalone core (5G SA).


• Several years of professional experience in a telecommunications company, specifically in the operation of telecommunications services (incident, problem, and change management).


• Experience in operating of containerized network functions (CNF, ideally Mavenir products) in cloud-native environments.


• Hands-on experience in administering Linux machines.


• Hands-on experience in tracing and protocol analysis in microservice architectures.


• Ability to work both very independently and in international, cross-cultural teams.

Nice-to-have Requirements

• Experience in classic and agile project management.

Tools and Platforms

• 5G SA


• 5G NSA


• 4G ePC


• GSMA-DNS


• Linux Admin (Ubuntu, RedHat)


• BIND 9


• GitLab (CI/CD pipelines)


• Ansible


• Kubernetes based cloud


• Wireshark


• ELK-Stack


• Visual Studio Code


• Python


• Jira

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

• 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

• Flexible compensation plan (health insurance, meal vouchers, childcare, transport).


• Telemedicine,


• Life and accident insurance.


• Social fund.

Wellbeing & time off

• 26+ working days of vacation per year.


• Free access to specialist services (medical, legal, wellness).


• 100% salary coverage during medical leave.

And many more advantages of being part of T-Systems!

T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.