Enterprise Architect (m/f/d) for AI Cloud Infrastructure

Job ID: 744000152081859

Enterprise Architect (m/f/d) for AI Cloud Infrastructure

Budapest, Debrecen, Pécs, Szeged

Professional

Regular

Deutsche Telekom TSI Hungary Kft.

Your Task

We are seeking an Enterprise Architect for Network Infrastructure at Industrial AI Cloud to design, build, and automate network platform for automation and operation related network components such as Switches, Firewalls, Routers, Border Gateways as part of core environment of the Industrial AI Cloud. In this role you will design, provision and manage above mentioned stack, implement and fine-tune monitoring, and deploy additional components if necessary. You'll be working and coordinating between multiple teams (such as Infrastructure, Platform) to deliver and continuously improve infrastructure services following ITIL processes. This is a customer facing role involving tailor made solutions and implementations for the customer including consultancy.

Responsibilities

• Coordinate Operations together with Data Center, IaaS & PaaS layer: Coordinate and support network lifecycle activities (installs, upgrades, changes, firmware updates) and manage network interconnections and related documentation
• Switch & Firewall Management: Provision and maintain InfiniBand switches according to ITIL Standards
• Automation: Develop and maintain automation scripts to orchestrate overall scope. Fine tuning, configuration changes through whole project lifetime
• OS & Firmware Management: Maintain network-based environments, apply patches, and manage firmware upgrades at scale
• Monitoring & Observability: Follow and improve incident, problem, and change management workflows; document runbooks and standard operating procedures. Adhere to ZERO Outage guidelines
• Cross-Team Collaboration: Work closely with Platform Engineers and AI solution teams to ensure smooth deployments and operations
• Manage High-Speed Fabric: A unified network fabric utilizing both InfiniBand and Ethernet / RoCE technologies
• Build and develop concepts, processes and methods for automation, optimization, and standardization to satisfy efficiency and automation requirements
• Provide advice or information at request or at own initiative to all relevant employees or customers regarding technical aspects of products
• Mentor and train co-workers to spread knowledge level and develop their skills
• Act as key technical lead and solve and coordinate activities across related technologies/outside own team
• Consider and define design to enable automated configuration management, release management, build, test and deployment activities

Your Profile

We are seeking an Enterprise Architect for Network Infrastructure with extensive hands-on experience in network operations, InfiniBand and RoCE technologies, automation, and large-scale data center management. The ideal candidate should possess strong Linux skills, expertise in firewall and security management, and proficiency in automation tools and scripting languages.

Must Have Skills

• Hands-on experience in network installation, maintenance, and operations
• Knowledge of InfiniBand architecture
• Knowledge of RDMA over Converged Ethernet (RoCE)
• Knowledge of low-latency, high-throughput networking for AI/HPC workloads
• Knowledge of Data Center Routing and Border Gateway Protocols
• Understanding of Cisco or Juniper routers (e.g., CR‑8608, PTX10004)
• Understanding of BGP/OSPF routing
• Understanding of ASNs, IP Transit, peering, and failover connectivity
• Solid Linux skills
• Skilled in continuous monitoring, incident detection, and root-cause analysis for large-scale data center networks
• Experience with Firewall and Security
• Hands-on experience in Configuration and Lifecycle Management
• Experience with switch provisioning, firmware/OS upgrades, patch management, and configuration backups
• 5+ years of experience in the design and delivery of systems based on IaaS, PaaS, and SaaS
• Experience with scripting in Python/Bash
• Effective use of automation tools (Ansible, SaltStack, Terraform, Helm) for deployments
• Proficiency in automation using Git (GitHub, GitLab)
• Proficiency in CI/CD tools such as GitHub Actions or GitLab CI/CD
• Practical experience with Linux operating systems
• Understanding of Software-Defined Networking (SDN) principles
• Experience using monitoring and visualization tools such as Grafana and Prometheus
• English language proficiency at B2 level
• Expertise and experience with InfiniBand technology
• Expertise and experience with RoCE technology
• Expertise and experience managing UFM
• Expertise and experience with FortiGate Firewalls
• Expertise and experience with Cisco Border gateways

Nice to Have Skills

• German language proficiency

About Us

As Hungary's most attractive employer in 2025 (according to Randstad's representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries.

DT-ITS received the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

Company Policies

• Remote working possibility is only available within Hungary due to European taxation regulation

Additional Details

You will be working in the European Union to meet our customers' data security and privacy requirements.

Job Benefits

Work-Life Balance

Remote working possibility available within Hungary

Professional Development

• Mentor and train co-workers to spread knowledge level and develop their skills
• Act as key technical lead and solve and coordinate activities across related technologies/outside own team