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Senior Messaging Engineer – Tieto Tech Consulting (m/f/d)

Sofia, bg💼 Full-time🗓 2026-06-24 → 2026-09-26

Core

Provide second-line support and maintenance for SMS, MMS, and SMS Firewall services within a global telecom network.

Role type

Senior Messaging Engineer (Telecom Operations)

Builds

Global telecommunication services including Voice, Cloud, Signaling, LTE, and IoT

Domain

Telecommunications / Mobile Networks

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

SS7, SIGTRAN, LTE, GSM call flows, roaming scenarios, Linux, HTTPS APIs, MMS, Splunk, Python, Docker, Kubernetes, Ansible, CI/CD

Preferred skills

Bachelor's or Master's degree in Electronics, Telecommunications, IT, or ICT

Technologies

Linux, Splunk, Python, Docker, Kubernetes, Ansible, AWS, Kibana, Openmind

Responsibilities

Provide second-line support for SMS, MMS, and SMS Firewall services; Review and optimize operational processes for repair efficiency; Lead repair team squad activities when required; Monitor network and service availability and quality; Cooperate with Customer Care to resolve reported problems; Perform incident management and planned maintenance; Monitor vendor performance; Participate in new service implementation and network rollout projects; Participate in guard duty services.

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