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

T-Systems Iberia; Madrid; Presencial; EUR 70.000 - 100.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

Flexible working hours

Health insurance

Meal vouchers

Transport assistance

Descripción de la vacante

T-Systems in Madrid is seeking a skilled network engineer to help design and operate state-of-the-art cloud-native 4G/5G core networks. You will analyze customer requirements, design solutions, and drive developments for the Packet Core Supersquad within T-DAT, collaborating across international teams.

You will work with Linux, containerized functions, and microservice architectures to optimize reliability and efficiency, while contributing to automation and deployment of new mobile core

Formación

• In-depth understanding of 4G/5G core networks, interfaces and protocols.
• Several years in telecom operations: incident, problem, change management.
• Experience with containerized network functions in cloud-native environments.
• Hands-on Linux administration and protocol tracing in microservice setups.
• Ability to work independently and in international, cross-cultural teams.

Responsabilidades

• Translate customer requirements into designs and technical specs for implementation teams.
• Engineer and design cloud-native network functions.
• Improve implementations to enhance customer experience, reliability and efficiency.
• Design automation solutions for provisioning and operation of services.
• Create high availability and disaster recovery plans for stability.
• Support complex projects across development, QA and planning; assist with new releases.
• Collaborate with implementation teams to streamline processes and performance.

Conocimientos

Cloud-native design

Linux Admin

CI/CD

Kubernetes

Python

Herramientas

GitLab

Ansible

Wireshark

ELK-Stack

Visual Studio Code

Jira

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.

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.

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)
• BIND9
• 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!