Network Engineer

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 proficiency or higher
• Willingness and ability to travel internationally as required

Will be an advantage

• Experience with the Cellusys Steering of Roaming platform
• Experience with 5G networks and/or VoLTE/IMS
• Good operational knowledge of Linux
• Knowledge of Docker
• Knowledge of IT tools such as Splunk and Python

We offer

We offer you professional growth, meaningful projects, open culture, and an outstanding work-life balance! We offer you an opportunity to create the future of a growing, fast-developing, and important sector. We believe that our organizational culture is an important part of enabling you to be successful. We provide a flexible hybrid work model as part of our culture and way of working. Finally, we also believe in curiosity and learning as a lifestyle where you need to unlearn and relearn every day as new possibilities emerge.

Did we get you inspired? 

We look forward to your application! Please attach your CV or LinkedIn-profile and we will reach out to you. Interviews will be held on a continuous basis, so we encourage you to apply today.

Hope to hear from you soon!

We perform background checks on all final candidates.

Tieto declines calls from recruitment companies.

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