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Tieto

Industry-specific software, cloud and AI

Voice & Cloud Communications Provisioning and Service Assurance Engineer

Telecommunications EngineeringConfirmed live in the last 24 hours
Full-timeRio de Janeiro, State of Rio de Janeiro, BrazilNo salary listedIn-person

About the Job

Requirements

  • A relevant degree in Electronics, Computer Sciences, IT, ICT, and/or Telecommunications is required.
  • At least 3 years of experience in telecommunications, mainly in voice switching for mobile telecom operators or international carriers, focused on provisioning and repair activities.
  • Strong knowledge and experience in telecommunications technologies and ITU/ETSI standards and protocols, including SS7/ISUP, VoIP/SIP, RTP, and MGCP.
  • Good understanding of network switching and routing as related to Unified Communications and Voice over IP networks.
  • Basic operational experience with Unix/Linux.
  • Fluent English, with proficiency in written and spoken English.
  • Ability to coordinate work with colleagues and apply rules and procedures depending on the situation.
  • Ability to explain and present technical concepts and adapt them to the audience.
  • Good planning and organization skills.
  • Analytical thinking and problem-solving skills.
  • Familiarity with agile methodologies or ways of working.

Responsibilities

  • Provide second-line support for BICS Voice and Cloud Communication services and platforms.
  • Follow up on network availability and quality.
  • Perform proactive and reactive maintenance actions.
  • Suggest improvements to proactive tasks and processes.
  • Collaborate with first-line support and the customer care team to resolve problems reported by customers.
  • Collaborate with vendors and suppliers by reporting problems, following up on resolution, and implementing solutions in the BICS network.
  • Participate in guard duty, at most once every four weeks, and support planned maintenance activities.

Desired Qualifications

  • Practical experience with NGN platforms; operational experience with Sonus or Dialogic is advantageous.
  • Knowledge of SBCs such as Ribbon SBC or Metaswitch SBC.
  • Knowledge of transmission systems and equipment.
  • Knowledge of signaling protocol monitoring tools, protocol analyzers, and trace analyzers.
  • Experience in the international wholesale telecommunications business.
  • Knowledge of Metaswitch Perimeta SBC.
  • Knowledge of Ribbon SBC (SBC5K and SWe) and Softswitch.
  • Knowledge of NetNumber TITAN.
  • Experience with LRF (Location Retrieval Function) implementations for emergency call handling.
  • Knowledge of the FreeSWITCH application server.
  • Knowledge of multiplatform Unified Communications.
  • Knowledge of API technologies.
  • Knowledge of SIP Registrar and authentication mechanisms.
  • Knowledge of VoLTE.
  • Knowledge of STIR/SHAKEN concepts.
  • Knowledge of Unified Communications and collaboration platforms such as Microsoft Teams.
  • Good understanding of telephony concepts such as PBX, circuits, dial plans, and routing.

About the Company

Tieto

Industry-specific software, cloud and AI

Tieto provides mission-critical software and consulting services for various industries, organized into vertical software families: Tieto Caretech (care and health tech), Tieto Banktech (banking tech), Tieto Indtech (industrial tech) plus Tieto Tech Consulting. It helps customers run and improve their operations by delivering industry-specific software platforms, cloud services, data analytics and AI-powered solutions, complemented by design and software engineering expertise. Unlike more generic IT firms, Tieto focuses on deep, sector-specific capabilities and combines software products with consulting to support digital transformations. Its goal is to help customers succeed and innovate with the latest technology by making complex systems work together reliably and efficiently, backed by a team of about 13,000 specialists and EUR 2 billion in annual revenue.

Company size
5,001-10,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Helsinki, Finland
Founded
1968

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