PrimeIT is a leading company with over 18 years of experience providing technology services in IT, Telecommunications, and Engineering.Specialized in Team Extension, Managed Services, Custom Software, and Nearshore, we currently have a team of more than 2,360 professionals working on national and international projects.We're looking for a VoIP Engineer to join an international project.Technical skills:Solid experience with cloud telephony: SBC, Kamailio, RTP Engine, FreeSwitch/Asterisk.Deep knowledge of SIP, voice quality, messaging protocols.REST API integration and cloud microservices (AWS preferred).Unix/Linux systems, databases (PostgreSQL, Cassandra, MongoDB, etc.), and DevOps/observability tools.Strong communication skills and ability to lead initiatives.Requirements: English mandatory (EN). Work model: Remote, with occasional on-site visits (Lisbon, Coimbra, or Porto).What we offer:Health Insurance and other benefitsTraining and Development PlanOpportunities for career growthA dynamic and collaborative environment