T Hub - IoT Service Operations Engineer (Telco)

T-Mobile Polska; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work model (2–3 days in the офф

Private medical care

Life insurance

Free parking space

Job summary

T Hub, part of Deutsche Telekom Group, Warsaw, Poland, is seeking an experienced operations specialist to ensure high-quality, reliable IoT connectivity services across international markets.

You will collaborate with IoT teams across Europe, coordinate changes, monitor service quality, and work with multiple vendors to optimize uptime and customer experience.

This hybrid role offers exposure to cutting-edge Mobile Core and network technologies within a global telecom environment.

Qualifications

• 2+ years in telecommunications, network operations, mobile data services or IT infrastructure environments.
• Understanding of mobile network architecture and services (2G/3G/4G/5G).
• Knowledge of Mobile Core technologies (APN, DNS, Diameter, PGW, EPC/ePC).
• Good understanding of IP networking concepts (IPv4/IPv6, routing, DHCP).
• Experience with network diagnostics tools such as Wireshark.

Responsibilities

• Ensure operational excellence and service quality of Deutsche Telekom's international M2M/IoT connectivity services.
• Cooperate with IoT Operations teams across Germany and international markets.
• Coordinate and support Incident, Problem and Change Management processes.
• Act as a Change Advisory Board member and coordinate service-impacting changes.
• Collaborate with multiple vendors, drive escalations, and assess vendor performance.
• Define and monitor service quality KPIs (availability, stability, response times, customer experience).
• Document high-level end-to-end service architecture and service chains.
• Maintain operational documentation and on-call procedures.
• Serve as a technical point of contact for SOC teams, stakeholders, vendors and customers.
• Support SLA/OLA and ITIL process improvements and optimization initiatives.

Skills

Telecommunications

Mobile networks 2G/3G/4G/5G

IP networking concepts

Incident/Change/Problem Mgmt

Vendor & stakeholder mgmt

Tools

Wireshark

ELK/Kibana

Job description

T Hub is a dynamic, forward-thinking place where technology truly matters! We are the heart of innovation within Deutsche Telekom Group, bringing together top talents to design, build and operate cutting-edge solutions used by millions of customers worldwide.

Have you ever wondered whether you'd rather work in a big tech company, a startup, a software house, in telecom or IT, remotely or from the office? At T Hub, the answer is simple – YES!

What you will do

• Ensure operational excellence and service quality of Deutsche Telekom's international M2M/IoT connectivity services.
• Cooperate closely with IoT Operations teams across Germany and international markets.
• Coordinate and support Incident, Problem and Change Management processes.
• Act as a Change Advisory Board member and coordinate service-impacting changes.
• Collaborate with multiple vendors, drive escalations, support change execution and assess vendor performance.
• Define and monitor service quality KPIs, including availability, stability, response times and customer experience indicators.
• Document high-level end-to-end service architecture and service chains.
• Maintain operational documentation, knowledge base articles, expert guidelines and on-call procedures.
• Serve as a technical point of contact for SOC teams, internal stakeholders, vendors and customers.
• Support SLA, OLA and ITIL process improvements and optimization initiatives.
• Participate in monitoring strategy development and optimization activities.
• Support the launch of new services and projects, ensuring operational readiness before commercial deployment.

What do you bring

• 2+ years of experience in telecommunications, network operations, mobile data services or IT infrastructure environments.
• Understanding of mobile network architecture and services (2G/3G/4G/5G).
• Knowledge of Mobile Core technologies, especially:
• APN,
• DNS,
• Diameter,
• PGW,
• EPC/ePC.
• Good understanding of IP networking concepts:
• IPv4/IPv6,
• routing,
• DHCP,
• troubleshooting.
• Experience with network diagnostics and packet analysis tools such as Wireshark.
• Understanding of ISP services, CDN, DNS and Internet connectivity concepts.
• Familiarity with Incident, Change and Problem Management processes.
• Experience working with multiple stakeholders, vendors and international teams.

Nice to have

• Exposure to IoT/M2M services.
• Knowledge of eBGP and routing principles.
• Experience with ELK/Kibana environments.
• Understanding of service monitoring platforms and service quality reporting.
• ITIL certification or practical ITIL experience.
• Stable employment based on employment contract.
• Private medical care and life insurance.
• Access to learning platforms such as Percipio, Coursera and Rodos.
• Additional day off for your birthday.
• Hybrid work model (2-3 days in the office).
• Free parking space.
• International projects within Deutsche Telekom Group.

Working at T Hub means becoming part of an international team responsible for services connecting millions of IoT devices worldwide. You will work at the intersection of telecommunications, networking and modern connectivity solutions while helping shape the future of IoT within Deutsche Telekom Group.

You'll have the opportunity to collaborate with experts across Europe, contribute to mission-critical services and gain hands-on exposure to Mobile Core, global connectivity and next-generation telecom technologies.