Careers in Network & Infrastructure | Telekom Group

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Network & Infrastructure

Whether it's 5G standalone networks, fiber-optic expansion, or network-integrated security solutions - we push the boundaries of innovation to create and grow.

Hands adjusting colorful cables in a network or server rack, showcasing a variety of vibrant wires and connectors.

Get to know our teams

  • Business

    We ensure Deutsche Telekom Group's infrastructure strategy is optimally aligned with market needs and customer expectations. Through in-depth market analysis, strategic planning and close collaboration with global teams, we optimize resource utilization and network offerings.


    Our goal is to drive innovative initiatives that create maximum value, promote sustainable growth and enable seamless connectivity for millions of people.

  • Architecture

    We design future-proof networks that drive digital transformation. Whether 5G implementation, cloud integration or the development of software-defined networks, our teams design highly scalable, secure and sustainable architectures.


    Using state-of-the-art technologies such as network function virtualization and automation solutions, we create high-performance infrastructures that increase efficiency and ensure outstanding network quality for our customers.

  • Engineering

    We put network concepts into practice and develop high-performance, scalable infrastructures for a digitally networked future. From the introduction of new 5G technologies and the expansion of state-of-the-art fiber optic networks to the optimization of existing systems, we ensure reliable nationwide connectivity.


    By leveraging innovative technologies, advanced analytics, and automated processes, we actively drive digital transformation.

  • Operations

    We ensure seamless network operations and guarantee the highest quality of service. Our teams monitor, maintain, and optimize the network infrastructure around the clock to ensure maximized availability and security.


    Using real-time data, proactive troubleshooting and AI-driven automation, we minimize downtime and ensure stable, secure connections for a reliable digital future.

  • Technical Development & Service

    Focus is placed on service delivery and technical optimization. Our team develops innovative tools, integrates new technologies and optimizes existing processes.


    Through smooth service experiences and high system efficiency, the team makes a significant contribution to the provision of first-class solutions.

Skills we are seeking

implementationanalysisawsautomationcommunicationdevopsmonitoringcollaborationmicrosoft azurelinuxinnovationpythonplanningconfigurationlifelong learningscalingscrum methodologyci/cdprogrammingkubernetessolutions architectureserversoperationsjavadatabasescooperationvmware

Insights into our impactful business projects

  • CERT

    Cyber Emergency Response Team

    A group of five people having a discussion around a table with a laptop, in a modern office setting with large windows.

    Telekom's Rapid Responders to Cyber Incidents

    Deutsche Telekom's Cyber Emergency Response Team reacts swiftly to cyber incidents across the globe, protecting both our company and customers from internet threats. As the central contact point for security incidents, the team coordinates necessary actions and implements protective measures.

    Our CERT specialists proactively identify and close security gaps, protect against cyberattacks, and ensure IT system stability for Telekom and its customers.

    Key responsibilities include incident management, threat assessment, security advisory, audits and scanning. CERT partners with federal agencies and industry associations to stay ahead of emerging threats.

    What does it mean for you?

    For top tech talents passionate about cyber defense, CERT offers the opportunity to apply cutting-edge skills to safeguard critical infrastructure on a global scale.

    A group of five people having a discussion around a table with a laptop, in a modern office setting with large windows.

    Telekom's Rapid Responders to Cyber Incidents

    Deutsche Telekom's Cyber Emergency Response Team reacts swiftly to cyber incidents across the globe, protecting both our company and customers from internet threats. As the central contact point for security incidents, the team coordinates necessary actions and implements protective measures.

    Our CERT specialists proactively identify and close security gaps, protect against cyberattacks, and ensure IT system stability for Telekom and its customers.

    Key responsibilities include incident management, threat assessment, security advisory, audits and scanning. CERT partners with federal agencies and industry associations to stay ahead of emerging threats.

    What does it mean for you?

    For top tech talents passionate about cyber defense, CERT offers the opportunity to apply cutting-edge skills to safeguard critical infrastructure on a global scale.

  • Magenta Security on Net

    Network-based cyber protection

    Glowing digital padlock on a blue background with arrows, symbolizing cybersecurity and data protection.

    What is Magenta Security on Net?

    Launched in 2025, Deutsche Telekom's revolutionary network-integrated security solution protects SIM card devices through telecom infrastructure, eliminating the need for extra security software and ensuring seamless protection both within the network and while roaming.

    What does it mean for you?

    With Magenta Security on Net you can be part of an exciting opportunity to redefine mobile security.

    You'll use advanced SASE to bring zero-trust access and real-time content inspection to mobile networks.

    Developers focus on seamless integration with network infrastructure, ensuring device compatibility and secure connectivity during roaming.

    This technology secures IoT devices, presenting the challenge of creating security that is simple, robust, scalable, and adaptive to evolving threats.

    Glowing digital padlock on a blue background with arrows, symbolizing cybersecurity and data protection.

    What is Magenta Security on Net?

    Launched in 2025, Deutsche Telekom's revolutionary network-integrated security solution protects SIM card devices through telecom infrastructure, eliminating the need for extra security software and ensuring seamless protection both within the network and while roaming.

    What does it mean for you?

    With Magenta Security on Net you can be part of an exciting opportunity to redefine mobile security.

    You'll use advanced SASE to bring zero-trust access and real-time content inspection to mobile networks.

    Developers focus on seamless integration with network infrastructure, ensuring device compatibility and secure connectivity during roaming.

    This technology secures IoT devices, presenting the challenge of creating security that is simple, robust, scalable, and adaptive to evolving threats.

  • 5G StandAlone

    Engineering Next-Generation Cloud-Native Network

    A 3D pink and white 5G logo on a vibrant pink background, symbolizing high-speed wireless technology.

    What is Engineering the Next-Gen Cloud-Native Network?

    5G Standalone (5G SA) is the first mobile standard operating independently of 4G infrastructure. With its cloud-based core network, it offers: superior flexibility, efficiency, and enables applications previously impossible in traditional network environments. 

    What does it mean for you?

    At Deutsche Telekom, infrastructure specialists tackle complex technical challenges in 5G SA development.

    The project involves cloud engineering, network slicing architecture, and automated management systems to maintain sub-25ms latency and allocate network resources efficiently.

    Tech talents work with cloud-native technologies, containerized network functions, and Al-based optimization for real-time management, offering the chance to engage with cutting-edge full-stack technologies that enhance connectivity for millions of users and businesses.

    A 3D pink and white 5G logo on a vibrant pink background, symbolizing high-speed wireless technology.

    What is Engineering the Next-Gen Cloud-Native Network?

    5G Standalone (5G SA) is the first mobile standard operating independently of 4G infrastructure. With its cloud-based core network, it offers: superior flexibility, efficiency, and enables applications previously impossible in traditional network environments. 

    What does it mean for you?

    At Deutsche Telekom, infrastructure specialists tackle complex technical challenges in 5G SA development.

    The project involves cloud engineering, network slicing architecture, and automated management systems to maintain sub-25ms latency and allocate network resources efficiently.

    Tech talents work with cloud-native technologies, containerized network functions, and Al-based optimization for real-time management, offering the chance to engage with cutting-edge full-stack technologies that enhance connectivity for millions of users and businesses.

  • Network APIs

    Enable innovation through global collaboration

    Laptop on a wooden table with digital security icons and a cityscape background, symbolizing cybersecurity and network connectivity.

    Lead the Next Wave of Innovation

    Join a groundbreaking initiative with global telecom leaders to build a unified network API platform.

    This project blends telecom infrastructure expertise with modern API development, empowering tech experts to shape digital services' future and drive industry-wide innovation.

    Our teams work internationally to create globally consistent APIs, ensuring compatibility across diverse developer platforms.

    Laptop on a wooden table with digital security icons and a cityscape background, symbolizing cybersecurity and network connectivity.

    Lead the Next Wave of Innovation

    Join a groundbreaking initiative with global telecom leaders to build a unified network API platform.

    This project blends telecom infrastructure expertise with modern API development, empowering tech experts to shape digital services' future and drive industry-wide innovation.

    Our teams work internationally to create globally consistent APIs, ensuring compatibility across diverse developer platforms.

  • SOC

    Security Operations Center

    A control room with multiple monitors displaying maps, data, and news. People work at desks with computers, facing large screens on the wall.

    How we outsmart cyber attackers 24/7?

    Deutsche Telekom's integrated Cyber Defense and Security Operations Center analyzes billions of security data points daily from thousands of sources. Operating 24/7, our experts provide immediate defense against evolving cyber threats.

    What does it mean for you?

    For tech talents, the SOC offers hands-on experience with cutting-edge security technologies in one of Europe's largest defense centers.

    Join over 250 cybersecurity experts utilizing AI and machine learning to counter sophisticated threats in real-time. Our global network across 14 countries offers exposure to international security operations and diverse attack patterns.

    You'll develop expertise in

    • threat intelligence

    • incident response, and

    • malware analysis

    while protecting critical infrastructure for Deutsche Telekom and major corporate clients including DAX companies.

    A control room with multiple monitors displaying maps, data, and news. People work at desks with computers, facing large screens on the wall.

    How we outsmart cyber attackers 24/7?

    Deutsche Telekom's integrated Cyber Defense and Security Operations Center analyzes billions of security data points daily from thousands of sources. Operating 24/7, our experts provide immediate defense against evolving cyber threats.

    What does it mean for you?

    For tech talents, the SOC offers hands-on experience with cutting-edge security technologies in one of Europe's largest defense centers.

    Join over 250 cybersecurity experts utilizing AI and machine learning to counter sophisticated threats in real-time. Our global network across 14 countries offers exposure to international security operations and diverse attack patterns.

    You'll develop expertise in

    • threat intelligence

    • incident response, and

    • malware analysis

    while protecting critical infrastructure for Deutsche Telekom and major corporate clients including DAX companies.

Spotlight on: Deutsche Telekom Tiefbau

  • Deutsche Telekom Tiefbau

    Build the network of the future with us. Apply for the role of civil engineer at Deutsche Telekom and help to push ahead with the fiber-optic build-out in Germany.

    Zwei Männer mit Helm

Spotlight on: Telekom Security

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We work together

Shape connectivity for all

Infrastructure cooperation is driven by teamwork and innovation. Our interdisciplinary teams collaborate across business units, technology, and development to ensure reliable connectivity. Open communication, shared goals, and a strong commitment to excellence enable us, as Telekom, to provide a stable and sustainable foundation for the digital transformation of the economy and society.

Three colleagues collaborate around a table with digital devices, focused on a tablet. They are in a modern office setting.

Get to know our colleagues

  • Slovakia: Lydia

    Cloud Architect

    Woman with long dark hair and glasses, wearing a white blazer, stands in an office with a magenta ribbon-like element in the foreground.

    How has your career grown since joining the company?  

    "I started with no technical background after graduation and evolved from UNIX Administrator to Senior Cloud Architect. My journey through AWS specialization and DevOps Engineering has led me to my current role in Rapid Prototyping."


    LinkedIn Profile

  • Czech Republic: Zdenek

    Data Center Product Manager

    Man with a beard and short hair in a black shirt, standing in a modern office with a pink ribbon swirling around him.

    What do you do and what's your most exciting project?

    "I'm a Product Manager at the Data Center, developing strategic plans, analyzing market trends, and keeping our ICT portfolio innovative. My most exciting project was joining the new Data Center construction team, shaping roadmaps and delivering cutting-edge solutions."


    LinkedIn Profile

  • Germany: Yaroslava

    AWS Powerhouse Chapter Lead

    Smiling woman in a magenta blazer and patterned scarf, standing confidently in a modern office with large windows and city view.

    What advice would you give to someone considering joining Telekom, and how would you describe the company in one word?

    "Jump in and explore! At Telekom, you have a safe space to build projects, grow skills, and collaborate. One word to describe us: Mountain – strong, reliable, consistent, helping you reach your highest successes confidently."


    LinkedIn Profile

  • France: Arnaud

    Head of International Projects

    Bald man in a gray suit smiling, standing in a bright office with a pink ribbon-like design in the foreground.

    What motivates you to work at Deutsche Telekom?

    "I enjoy working in a global environment, collaborating across countries, and tackling diverse challenges. Every project is unique, requiring adaptability and strategic thinking. The fast-paced telecom industry keeps my work exciting and impactful. I also appreciate that Telekom values innovation, career growth, and international learning opportunities."


    LinkedIn Profile

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