Junior Telco Engineer – Tieto Tech Consulting (m/f/d)

Location: Varna, Varna, bg

Job Description

Tieto Tech Consulting (MentorMate from 2001 to 2026) is looking for a highly skilled and motivated Junior Telco Engineer, 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! 

Responsibilities

• Ensure accurate documentation of the Fixed Services product portfolio (e.g. Voice, VoIP, Signaling, Capacity) in inventory tools, based on project low-level design.
• Maintain both service and network data by creating and updating low-level configurations in dedicated inventory systems, in line with internal routing guidelines.
• Collaborate with Regional Technical Managers (RTMs) and support both high-level and low-level design activities for projects (e.g. TDM/VoIP implementations).
• Ensure data quality and consistency, and support continuous improvement and cleanup of documentation.

Qualifications

• Experience in a mobile or fixed telecom operator is an asset.
• Understanding of telecom networks and topology, including core network elements and their functions.
• Knowledge of service fulfillment and telecom operational processes is an advantage.
• Familiarity with protocols and services such as voice switching and routing (TDM, VoIP), transmission (SDH/IP), and basic SS7 signaling.
• Interest in working with configuration data across different systems and tools.
• Strong analytical skills, attention to quality, and results-oriented mindset.
• Good command of spoken and written English.

Additional Information

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

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