SIP Engineer_ Remote

le Summary We are looking for a VoIP/SIP Software Engineer to design and build real-time voice communication systems. The role requires strong expertise in SIP protocol, VoIP architecture, and C/C++ development, with hands-on experience in platforms like FreeSWITCH. Key Responsibilities Design and develop SIP-based VoIP applications and services Work on SIP signaling (INVITE, REGISTER, BYE) and call flows Develop and maintain SIP stack / SIP UA components Build and customize solutions using Fr

Job Title: Staff Messaging (SMS/MMS) Engineer _Remote Contract-to-Hire Must haves: Deep hands-on experience with telecom messaging platforms (SMS, MMS, RCS)Strong expertise in SMPP, messaging gateways, and carrier integrationsProven ability to design, scale, and operate high availability messaging systemsSolid understanding of global carrier ecosystems, routing, and delivery receiptsStrong troubleshooting skills across telecom protocols and production systemsExperience leading technical design d

TEKsystems is currently seeking a Network IP Engineer for a 1-year 100% Remote extendable contract. Potential for permanent conversion. *Candidates must have experience with Core IP, Transport, Nokia, Ciena and ideally Metasolv. Description Engineer II, IP Engineering position is expected to provide engineering design and implementation services necessary to support the company's IP/MPLS core network, carrier Ethernet transport systems, cellular data core systems, and/or video transmission ser

TEKsystems is currently seeking a Network IP Engineer for a 1-year 100% Remote extendable contract. Potential for permanent conversion. *Candidates must have experience with Core IP, Transport, Nokia, Ciena and ideally Metasolv. Description Engineer II, IP Engineering position is expected to provide engineering design and implementation services necessary to support the company's IP/MPLS core network, carrier Ethernet transport systems, cellular data core systems, and/or video transmission ser