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Senior Network DevOps Engineer - Network Department
  • Warsaw
Senior Network DevOps Engineer - Network Department
Warszawa, Warsaw, Masovian Voivodeship, Polska
T-Mobile
23. 2. 2026
Informacje o stanowisku

technologies-expected :


  • VXLAN
  • TCP/IP
  • Telecommunication Protocols
  • Firewall

about-project :


  • Working in an established DevOps team based in Warsaw, you will be responsible for your domain within a team that oversees all aspects of Networking, Cloud and CI/CD Pipeline, run and build for T-Mobile Poland in close cooperation with T-Mobile Group international teams. You will provide operational support for critical services that enable connected experiences found across T-Mobile customers. As is one of the leading engineering teams in the telecommunication world, our goal is to provide platform for businesses to build services and run workloads dedicated for 5G network.

responsibilities :


  • 2nd level troubleshooting of network platform issues including on-duty calls outside standard business hours
  • Configuring and installing various network devices and services (e.g., routers, switches, firewalls, loadbalancers, VPN, QoS)
  • Monitoring network performance and ensure system availability and reliability
  • Performing network maintenance and system upgrades including service packs, patches, hotfixes and security configurations
  • Execution of proactive Performance Management (KPI)

requirements-expected :


  • 3 years experience with DC networks –FABRICs
  • Knowledge about routing and network protocols
  • Experience in NetDevOps workflows, utilizing CI/CD pipelines to automate configuration deployments and testings,
  • 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 FABRICs underlay (ISIS) and overlay (EVNP/VXLAN) networking – network equipment operations and maintenance (leading of 2nd level support)
  • Knowledge of network issues TCP/IP, LACP, LLDP, ISIS, OSPF, BGP
  • Practical knowledge of network IP and security solutions (firewalling, NAT, load balancing, ECMP, Anycast, 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

offered :


  • Umowa o pracę
  • Dodatkowy dzień wolny z okazji urodzin/ imienin
  • Pakiet medyczny i ubezpieczenie na życie
  • Platforma benefitowa - Ty wybierasz z czego korzystasz
  • Dostęp do platform szkoleniowych, które podniosą Twoją wiedzę
  • Znam Talent – szkolenia lub pieniądze za polecenie znajomych do pracy ?!
  • Poza tym możesz u nas liczyć na dostęp do naszych produktów i usług na preferencyjnych warunkach oraz benefity, o których przeczytasz poniżej

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of professional training & courses
  • life insurance
  • remote work opportunities
  • flexible working time
  • corporate products and services at discounted prices
  • mobile phone available for private use
  • no dress code
  • parking space for employees
  • extra social benefits
  • sharing the costs of tickets to the movies, theater
  • holiday funds
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • employee referral program
  • charity initiatives
  • extra leave
  • platforma benefitowa

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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