Job Description
Tieto Tech Consulting is looking for a Senior Roaming Operations Engineer who wants to 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!
When joining Tieto Tech Consulting as a Senior Roaming Operations Engineer
You will provide second-line support for Instant Roaming, Open-Connectivity Roaming (Roaming Hub), SMS Translator, Steering of Roaming, Managed PGW, and other related services
Monitor network and service availability and quality, performing proactive and reactive maintenance activities
Manage incidents and carry out planned maintenance work
Participate in the implementation of new services and network rollout projects in collaboration with engineering teams
Collaborate with cross-functional teams, including Product Management, Presales, and other second-line customer support teams, to gather information, logs, and traces, validate routing and data transfer, and ensure high service availability and quality
Work closely with vendors, monitor their performance, and ensure proper service delivery
Support customers worldwide with roaming-related issues and cooperate with mobile operators and Travel SIM companies
Demonstrate a strong understanding of network architecture and signaling protocols and interfaces
Assist with the training of new and existing team members
Support workload planning to ensure business continuity during holiday periods
Participate in an on-call rotation (one week per month)
Who we are looking for
You have a Bachelor’s or Master’s degree in Electronics, Telecommunications, IT, ICT, or a related field
Minimum of 3–5 years of experience in telecommunications, primarily in signaling or roaming (mobile telecommunications or international carrier telecom)
Strong understanding of network architecture, SS7/SIGTRAN, LTE, GSM call flows, Mobile Packet Core call flows, and roaming scenarios
Familiarity with telecommunications technologies and ITU/ETSI standards
A high degree of initiative, autonomy, and commitment
Ability to work effectively in an international and multicultural environment
A proactive, self-driven approach, with the ability to identify and resolve issues independently
Ability to work both independently and as part of a team, collaborating closely with peers and colleagues
Ability to work effectively under pressure, stay well organized, and think outside the box
Results-oriented and customer-focused, with a commitment to delivering high-quality services
Strong organizational skills, with the ability to manage multiple projects simultaneously
Ability to work in a fast-paced environment and adjust priorities based on ad hoc requests
Upper-intermediate (B2) English prof
