Voice Engineer - Sao Paulo

This is a full-time hybrid opportunity for a Voice Engineer only from Sao Paulo, Brazil and nearby locations.

IDT / Net2Phone is seeking a highly qualified professional to fill the Voice Engineer position on our team located in Sao Paulo, Brazil. The main focus of this role will be to act as an analyst specialized in the services of a VOIP telephone operator. Our mission is to maintain and grow the Brazil voice network infrastructure that supports the fast-growing Net2Phone UCaaS business.

The ideal candidate will have experience in activating, managing and monitoring VOIP telephony systems, with outstanding skills in analyzing VoIP/SIP calls. In addition, advanced knowledge of TCP/IP network protocols and SIP signaling is desirable.

IDT(www.idt.net) is an American telecommunications company founded in 1990 and headquartered in New Jersey. Today it is an industry leader in prepaid communication and payment services and one of the world’s largest international voice carriers. We are listed on the NYSE, employ over 1300 people across 20+ countries, and have revenues in excess of $1.5 billion.

If you are an experienced professional in this area and are looking for a stimulating challenge, join us and be part of a team committed to excellence in telecommunications.

Responsibilities:

Telefonica and UCaaS systems, monitoring performance, managing, and resolving possible occurrences.

Deep analysis of the SIP protocol for performance monitoring and troubleshooting.

Provide advanced support in the Telephony area for end customers and work in the operations area.

Collect event logs and traces to analyze and troubleshoot systems.

Actively monitor telecom networks, gateways, SBC and cloud instances.

Operate Telecom devices, monitoring platforms, working on alarm management.

Share knowledge through training and support to other analysts on the team

Conduct integration process between PABX/ UCaaS systems and other platforms such as CRM.

Requirements

Knowledge of telecommunications infrastructure (IP and Voice services).

10+ years of experience in configuring and troubleshooting Routers; Switches and Telephone Systems.

Knowledge of Cloud tools and environment, preferably AWS.

TDM and NGN Telephony Networks.

Installation and configuration of network equipment.

Installation and configuration of VoIP, IP PBX or UCaaS equipment.

Network protocols - TCP/IP.

SIP signaling protocol.

Data communication links, E1, Metro Ethernet.

Software like: Splunk , Zabbix , SolarWinds.

Completed or ongoing higher education related to the area of Technology, Networks and/or Telecommunications (Electrical/Electronic/Telecommunications Engineering, Computer Networks or similar).

Please attach CV in English. The interview process will be conducted in English.

Only accepting applicants from Sao Paulo and nearby locations.

Working hours: From Monday to Friday, from 9:00 am to 6:48 pm, with hybrid work mode, 2 days home office.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.