Telco Engineer

Tieto

. Provide L1 network support activities for voice and mobile services 24x7 .

Posted 11/5/2026full-timeRemote • Kyiv • UkraineMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in L1 network support for voice and mobile services, with a strong focus on fraud prevention and resolution in telecommunications. Proficient in GSM network structures, signalling protocols, and network performance analysis.

Highest-signal resume keywords

GSM Network StructureSignalling Protocols (MTP, ISUP/SIP, SCCP, TCAP)Fraud Prevention KnowledgeNetwork KPI AnalysisExperience with Signalling Protocol Monitoring Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GSM Network StructureSignalling Protocols (MTP, ISUP/SIP, SCCP, TCAP)Voice Call/SMS FlowIP Network PrinciplesFraud Prevention TechniquesNetwork KPI AnalysisProtocol Analyser ExperienceTrace AnalysisStatistics AnalysisMobile or Fixed Network Operations

Soft Skills

Team PlayerProblem SolvingCommunication SkillsResponsibilityWillingness to Learn

Tools & Technologies

Fraud Detection SystemsQoS ToolsSignalling Protocol Monitoring Tools

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceMaster’s Degree in IT or Telecom

Industry Keywords

TelecommunicationsWholesale Telecom BusinessInternational CommunicationsCustomer Complaint ResolutionAgile Development Process

About the role

Key responsibilities & impact

Provide L1 network support activities for voice and mobile services 24x7
Ensure reactive repair activities with customers, suppliers and third parties worldwide
Monitor and investigate fraud events generated by internal tools, including fraud detection systems and QoS tools
Identify root causes and take decisions and resolution measures
Define and implement improvements in fraud prevention services delivered to BICS’ customers
Communicate with customers and suppliers to guarantee customer complaint resolution in accordance with SLAs
Work with major telecom operators and technology providers to ensure the quality, reliability, performance and security of international communications
Learn from and coach colleagues through an agile end-to-end development process

Requirements

What you’ll need

Bachelor’s or Master’s degree in Computer Science, IT, Telecom or equivalent
3+ year of experience in the operation of mobile or fixed networks as an engineer
Knowledge of GSM NW structure
Knowledge of signalling in GSM networks
Knowledge of MTP, ISUP/SIP, SCCP, TCAP protocol stack
Knowledge of voice call/SMS flow
Knowledge of IP network working principles
Knowledge of the fraud prevention domain and the wholesale telecom business will be an asset
Experience with signalling protocol monitoring tools, protocol analysers, and trace analysis
Knowledge of Network KPIs, analysis of statistics and reports
Good written and spoken English
Willingness to travel internationally as required
Team player who takes action and demonstrates responsibility to organize work and solve tasks
Ability and interest to learn new innovative technologies
Successful completion of background check for final candidates

Benefits

Comp & perks

Professional growth
Meaningful projects
Open culture
Outstanding work-life balance
Flexible hybrid work model
Curiosity and learning as a lifestyle
Opportunity to create the future of a growing, fast-developing, and important sector