T Hub - IoT Senior Specialist

Nasze wymagania:
Basic - Mobile Network topology and services understanding (2/3/4/5G),
Medium - ePC background – knowledge about: APN, DNS, Radius, Diameter
Medium - networking – IP technology (e.g. IPv4, IPv6), DHCP, sub-net configuration, routing check, network issue troubleshooting, protocol analysing with Wireshark
Advanced – IPVPN / IPSEC tunnel setup and maintenance
Collaboration in international environment,
Accountable approach for a service availability and quality,
Communication with different vendors and customers
willingness to learn company-specific tools and solutions

Zakres obowiązków:
High level responsibility overview:
Coordination of troubleshooting and problem solving in multinational environment
Definition of service quality KPIs reflecting service quality and customer experience (e.g. success/response rate, response/roundtrip time, availability, stability, DL/UL speed, utilization)
Documentation of High Level E2E service architecture/chain including responsibility split
Regular updates of Knowledge Base, On-Call procedures, Expert Advices.
Being Technical contact person for internal and external partners and Customers in the area of responsibility.
Support for SLA/OLA & ITIL processes development and optimization.
Support for E2E monitoring planning & optimization (Sigos/GlobalRoamer).
Support for new service design and implementation – to achieve operational readiness before commercial service launch.
Daily tasks overview:
Analysis of customer incidents using various network tools (e.g. Elastic/Protocol Analyzer).
Analysis of service behavior based on available monitoring and performance counters.
Handling of incident / problem tickets in SM / CRM tools (e.g. HP Service Manager)
End-to-end support of new setups/changes/cancellations between IP VPN customer and Telekom technicians. (IPSEC tunnel setup, APN setup - basic testing & troubleshooting)
End-to-End testing of IPVPN / APN connections with different test-devices and sim cards – change validation process.
Processing of orders / changes via ticket-systems (SM / CRM tools).
Processing of Jira demands/orders via Kanban/Sprint logic (Atlassian Jira / Confluence).
Preparation of the priority list for new IPVPN establishments/changes/terminations – change prioritization / backlog handling.
Maintenance and Documentation of IPVPN Setup in support systems
Other:
On-call support ability – up to 5 times per year (1 week on-call)
Maintenance during nightshift – up to 6 times per year
Business trips ability – up to 3 times a year
1-2 office days per week (Warsaw)

Oferujemy:
Benefits:
Stable employment based on employment contract,
Medical package and life insurance,
Access to training platforms: Percipio, Coursera, Rodos,
Benefit platform,
Additional day off on birthday/name day,
Free parking space,
Flexible hybrid work model
Our offer for you:
Working at T‑Mobile’s T Hub allows you to develop in an innovative tech environment, shaping modern AI, cloud and automation solutions. You’ll collaborate within diverse, international teams and work with cutting-edge technologies, benefiting from a culture of continuous learning and development.