Sofia, , Bulgaria
1 month ago

Job Overview

Job Type
Full-Time
Pay
Not disclosed

Job description

Location:
Sofia, Bulgaria
Work arrangement:
On-site

Role Summary

Tieto Tech Consulting (MentorMate from 2001 to 2026), is looking for a highly skilled and motivated Senior Network Engineer (Messaging) , a professional who will join a project within a Telecom Team for our respectful client BICS.

BICS operates one of the world's most extensive communication networks, carrying around 50% of global roaming traffic and connecting more than 5 billion mobile subscribers worldwide. Through partnerships with hundreds of operators, service providers, hyperscalers, and enterprises, BICS delivers connectivity across 1000+ destinations and supports a broad portfolio of services including Voice, LTE and 5G Roaming, Cloud Communications, IoT Connectivity, Messaging, Mobile Identity, Signaling, Fraud Protection, and Global SIP Trunking.

You will work with the world's largest telecom operators and technology providers, helping to ensure the quality, reliability, performance, and security of international communications, while impacting how billions of people connect, communicate, and do business every day.

Beyond traditional telecommunications, BICS is at the forefront of enabling digital transformation, cloud interconnectivity, IoT ecosystems, and next-generation mobile services, helping customers navigate the evolving global connectivity landscape.

Become a part of the BICS community at Tieto Tech Consulting that has been growing since 2010 and enjoy the comfortable and stable environment where new ideas thrive.

Welcome to the team of our long-term customer BICS!

Stay alert to recruitment scams

  • Tieto only communicates via @tieto.com email addresses.
  • We never ask candidates to pay fees or share financial details during recruitment.
  • If you receive a suspicious message claiming to be from Tieto, don't respond — verify it via our official careers site.
  • For more information visit Important Advisory Regarding Recruitment Fraud | Tieto Blog

Responsibilities

  • Report to the Messaging Value Stream Agile Master.
  • Provide second-line support for SMS, MMS, and SMS Firewall services.
  • Review internal and external operational processes in order to optimize repair efficiency.
  • Identify improvement opportunities and follow up on the implementation of improvement actions.
  • Be ready to lead the repair team squad by managing, steering, and coordinating team activities when required.
  • Follow up on network and service availability and quality, performing proactive and reactive maintenance actions.
  • Work closely with the Customer Care team to identify and resolve problems reported by customers.
  • Perform incident management activities as well as planned works.
  • Cooperate with vendors, monitor their performance, and ensure proper service delivery.
  • Participate in the implementation of new services and network rollout projects, in collaboration with engineering teams.
  • Take part in guard duty services.

Requirements

  • 5+ years of experience in telecom, mainly in Messaging, Signaling, or Roaming areas (mobile telecommunications or international carrier telecom).
  • Familiarity with Telecom technologies and ITU/ETSI standards.
  • Good knowledge of SS7 / SIGTRAN, LTE, GSM call flows, and roaming scenarios.
  • Good operational knowledge of Linux.
  • Upper-intermediate level of English

Will be an advantage

  • Bachelor’s or Master’s degree in Electronics, Telecommunications, IT, or ICT.
  • Experience with HTTPS (APIs), MMS, Kibana, or Openmind software.
  • Familiarity with DevOps concepts and tools (containers, Ansible, CI/CD, Splunk, Kubernetes, AWS, etc).
  • Knowledge of Docker.
  • Experience with IT tools and scripting, such as Splunk or Python.

Benefits

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

Diversity, equity and inclusion | Sustainability | Tieto

About the Company

What is Tech Consulting?

Tech Consulting is a digital design and software development unit where we help our customers grow by combining business design, technological know-how and modern software development.

We believe in cooperation, openness and that the best solutions arise when different people and ideas meet.

Our customers are more than 130 organizations from different industries - such as public administration, finance, pensions, energy, logistics and manufacturing industry. We develop everyday digital services that you probably use yourself - and that have a real impact on people's everyday lives and society.

Azure DevOps and you have built CI/CD pipelines.

Why join our growing team?

At Tieto Tech Consulting, you work at the interface of technology, innovation and social influence. You will be supported by Finland's largest network of IT experts and a culture that encourages cooperation, curiosity and continuous learning. Our growth does not stop.

We believe you will succeed in the task if you have work experience:

Microsoft Full Stack for software development (e.g. C#, .NET, React, JavaScript/TypeScript, Blazor)

About software development in the Azure cloud environment

Integration technologies and Web Services, such as REST

From MS SQL databases

From Azure Data Factory or Azure Databricks

Agile working methods

About container technologies (e.g. Docker, Kubernetes)

Role:
Senior Network Engineer (Messaging) – Tieto Tech Consulting (m/f/d)
Industry Type:
Information Technology And Services
Job Type:
Full-Time

Company profile

Tieto is a Nordic software and technology company serving the banking, healthcare and industry sectors. It provides mission-critical solutions through its specialized software businesses Tieto Caretech, Tieto Banktech and Tieto Indtech, as well as its Tieto Tech Consulting business, combining data, cloud, AI and design with industry expertise. Customers include the Norwegian Public Roads Administration and NHS England. Headquartered in Finland, Tieto operates in 20+ countries, has annual revenue of approximately EUR 2 billion, and its shares are traded on the NASDAQ exchange in Helsinki and Stockholm.

Headquarters
Helsinki, Finland
Founded
1968
Funding Stage
Public

More jobs at Tieto

Similar Systems Administrator jobs at other companies