Senior Network Solution Designer (m/w/d/x)

T-Mobile US Inc.; Berlin; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work

Company pension scheme

Health management

Flexible hours

Job summary

Deutsche Telekom is seeking a Senior Network Solution Designer to plan, design and develop the architecture of modern networks and platforms in Berlin. You will lead end-to-end responsibility from concept to integration, focusing on routing, switching, VPN, WLC, firewalling and high-availability infrastructures.

Responsibilities include architecture design, automation via Python/Ansible/Terraform, AI-based operations, data center integration and expert 3rd-level support.

Qualifications

• Extensive experience in designing and maintaining enterprise networks.
• CCNP/CCIE level Cisco knowledge required.
• Fluent German and good English; willingness to travel within Germany.

Responsibilities

• Design and maintain enterprise network architectures and platforms.
• Develop automation processes using Python, Ansible and Terraform.
• Integrate AI-based approaches to optimize network operations and troubleshooting.
• Advise stakeholders on architecture standards, roadmaps and best practices.

Skills

Network architecture

Cisco knowledge

Automation tooling

Python

Ansible

Terraform

Docker

GitHub

Education

CCNP/CCIE certification

Tools

Python

Ansible

Terraform

Docker

GitHub

Job description

Job ID: 733370Senior Network Solution Designer (m/w/d/x)BerlinProfessionalRegularT-Systems International GmbHT-Systems International GmbH

At T-Systems, we offer our business customers the right system solutions for their digital business. With our portfolio, we ensure that digital transformation reduces complexity, saves costs and makes everyday work easier. Our focus is on connectivity, digital, cloud & infrastructure as well as security - Let's power higher performance!

About the positionAs a Senior Network Solution Designer, you decisively plan, design and develop the architecture of our modern networks and platforms. You are responsible for routing, switching and aggregation infrastructures, primarily based on Cisco technologies as well as solutions from other manufacturers.

As part of an experienced team, you take on end-to-end responsibility from technical concept and solution design to integration and continuous development of high-availability network infrastructures, modern WLAN technologies and secure platform services.

Your core tasks:

Architecture & Design: Conception, development and maintenance of sustainable network and platform architectures (routing, switching, VPN, WLC, firewalling, load balancing), primarily based on Cisco technologies and solutions from other manufacturers

Automation & Infrastructure as Code: Development of modern automation processes, for example using Python, Ansible and Terraform, as well as managing configurations via CI/CD and Git workflows

AI & Intelligent Network Operations: Evaluation and integration of AI-based approaches to optimize network operations, for example for anomaly detection, root cause analyses, proactive troubleshooting, and automating recurring operational tasks

Data center integration & operation: Technical integration of complex systems in the data center including IP address management, DNS services and monitoring via Grafana

Expertise & 3rd level support: analysis and elimination of highly complex malfunctions as well as technical support for demanding escalations

Technical advice & standards: You advise internal stakeholders and project teams on complex technical issues, evaluate alternative solutions and contribute to the definition of architecture standards, best practices and technical roadmaps

Innovation: Evaluation of the latest technologies around Wi‑Fi 6E/7, VXLAN/EVPN and Zero Trust Network Access to continuously improve the platform ecosystem

Must-Have SkillsProfound experience in solution design & network architecture: Several years of relevant experience in designing, developing and maintaining complex enterprise network architectures as well as verifiable experience in technical responsibility for sophisticated network or platform solutions

In-depth Cisco know-how: Profound CCNP or CCIE level knowledge of using Cisco switches, routers, and firewalls.

Routing & network protocols: Secure control of BGP, OSPF, VXLAN/EVPN and IPv4/IPv6 planning

Network security & VPN technologies: Profound practical experience with Cisco firewalls, Cisco ISE, IPsec and FlexVPN

WLAN technologies: Comprehensive knowledge of Cisco WLC and modern wireless standards (WiFi 6E/7)

Network automation & tooling: Practical experience in automation using Python, APIs, Ansible or Terraform as well as using Docker and GitHub

Monitoring & Support: Experience in 3rd level support and platform monitoring with tools such as Grafana

Language skills & mobility: fluent German language skills as well as good, task‑specific English skills and willingness to travel within GermanyThat rounds off your profileCertifications at CCNP or CCIE level (Enterprise/Security/Service Provider)Practical experience with LANCOM network components, in particular routers and switchesSkills in designing and operating load balancing solutions and core DNS/DHCP servicesExperience with CI/CD pipelines and GitOps workflows for automated network configurationFamiliarity with ITIL processes and structured handling of 3rd-level support incidents

What we offerFlexible working & work‑life balance: Attractive working time models, trust‑based working hours and the option of hybrid work/ mobile office for an optimal reconciliation of work and private lifeAttractive compensation & additional benefits: Performance‑based compensation in accordance with corporate tariff (VG 8), company pension scheme and other financial benefitsIndividual continuing education & career opportunities: Tailored development and certification options (e.g. Cisco CCNP/CCIE, cloud and automation technologies) as well as access to innovative learning platformsFuture-oriented tech environment: creative leeway in ultra‑modern network and data center environments in Hanover, including work on AI‑based network operations and modern automation toolsModern equipment: The latest hardware and software equipment to professionally handle demanding solution design and platform engineering tasksHealth & mobility offers: Comprehensive occupational health management, job cycle/mobility subsidies and benefits in the corporate environmentStrong team culture: A collegial, open and innovation‑driven work environment with regular team events and interdisciplinary exchange of knowledgeThis position is also available on a part‑time basis.Severely disabled people are given priority if they are equally qualified.https://www.xing.com/companies/deutschetelekomagDeutsche Telekom | LinkedInJob BenefitsLifestyle & WellnessComprehensive occupational health managementJob cycle/mobility subsidiesBenefits in the corporate environmentWork‑Life BalanceAttractive working time modelsTrust‑based working hoursHybrid work/mobile office optionsPart‑time basis availableWork EnvironmentCollegial, open and innovation‑driven work environmentRegular team eventsInterdisciplinary exchange of knowledgeFinancialPerformance‑based compensation in accordance with corporate tariff (VG 8)Company pension schemeOther financial benefitsOffice PerksLatest hardware and software equipmentModern equipment for solution design and platform engineering tasksProfessional DevelopmentTailored development and certification options (e.g. Cisco CCNP/CCIE; cloud and automation technologies)Access to innovative learning platforms #J-18808-Ljbffr

Experience: 5 years required