Senior Network DevOps Engineer

2 dni temu


Warszawa, Polska T-Mobile Polska S.A. Pełny etat
Job Title: Senior Network DevOps Engineer

Join T-Mobile Polska S.A. as a Senior Network DevOps Engineer and be part of our established DevOps team based in Warsaw. As a key member of our team, you will be responsible for all aspects of Networking, Cloud, and CI/CD Pipeline for T-Mobile Poland, working closely with international teams.

Key Responsibilities:
  • 2nd level troubleshooting of network platform issues, including on-duty calls outside standard business hours
  • Configuring and installing various network devices and services, such as routers, switches, firewalls, load balancers, VPN, and QoS
  • Monitoring network performance and ensuring system availability and reliability
  • Performing network maintenance and system upgrades, including service packs, patches, hotfixes, and security configurations
  • Execution of proactive Performance Management (KPI)
  • Technical lead of the Network DevOps Team and representation towards management
Requirements:
  • 5 years' experience with DC networks
  • Knowledge about routing and network protocols
  • Experience with technical customer solution designs for non-standard business requests
  • Hands-on experience with agile working methodologies and DevOps working models
  • Knowledge of the importance of inter-team collaboration in breaking down silos and achieving business results
  • Fluent English and Polish - mandatory
  • Networking experience: Understanding of DC underlay networking - network equipment operations and maintenance (leading of 2nd level support)
  • Experience with overlay networking such as Software Defined Networks (SDN) and software switching components like OVS, OVN
  • Knowledge of network issues TCP/IP, IPv6, LACP, LLDP, OSPF, ISIS, BGP
  • Practical knowledge of network IP and security solutions (firewalling, NAT, load balancing, GLB, RADIUS, TACACS+)
  • Familiarity with mobile solutions such as RTP, SIP, H.323, SSLVPN, SS7, Diameter, GTP
  • Data Privacy Information and Consent with Processing of Personal Data
  • Monitoring network performance and ensure system availability and reliability
  • Willingness to be trained to obtain a data security clearance
  • Willingness to work on-call 24/7


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