215 results (12 new)
Remote
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Today
SIP Engineer_ Remote Contract-to- Hire Must Haves: Deep expertise in SIP signaling and real?time voice architecturesStrong experience with SIP proxies, SBCs, and media serversProven ability to design, scale, and troubleshoot VoIP systemsStrong knowledge of RTP, codecs, NAT traversal, and call flowsExperience integrating with carriers and PSTN providersTrack record of owning architecture, reliability, and technical direction
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Full-time
Depends on Experience
Hybrid in Austin, Texas
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4d ago
Job Title: Software Engineer (VoIP / SIP) Location: Austin, TX (Hybrid) Employment Type: C2C ($65/hr) / W2 ($54/hr) Job OverviewWe are seeking a skilled Software Engineer with strong VoIP/SIP experience to design, develop, and maintain high-performance voice communication systems. The ideal candidate will have deep expertise in SIP protocols, C/C++ development, and hands-on experience with FreeSWITCH. Key ResponsibilitiesDesign and develop scalable VoIP/SIP-based applicationsWork on SIP stack
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Third Party, Contract
$50 - $65
Austin, Texas
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Today
Position: SIP/VoIP Software Engineer Location: Austin, TX (Hybrid) Duration: Long term contract Job Summary: We are looking for a skilled Software Engineer with strong expertise in SIP and VoIP technologies. The ideal candidate should have hands-on experience in developing and working with SIP-based applications, SIP stacks, and voice communication systems. Key Responsibilities: Design, develop, and maintain SIP-based applications and VoIP systems Work on SIP protocol implementation, debuggin
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Contract, Third Party
St. Louis, Missouri
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5d ago
We are seeking a highly skilled and experienced Voice/VoIP Engineer to lead the design, deployment, and troubleshooting of large-scale voice solutions. In this role, you''ll play a critical part in shaping our voice infrastructure, ensuring seamless communication services across diverse platforms and regions. Key Responsibilities: Design, implement, and support SIP-based voice and VoIP solutions, including call center applications and IVR systems. Troubleshoot complex SIP signaling, media flows
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Contract, Third Party
Depends on Experience
Remote
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4d ago
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
Contract, Third Party
Depends on Experience
Austin, Texas
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7d ago
Job Title: Freeswitch Senior Developer Location: Austin, TX Visa: Any Interview Process: Video (2 Rounds) Work Schedule: Onsite Job Description: SIP - 10 Years SIP media gateways and Session Boarder Controllers - 10 years SIP Stack SIPUA Voice/VoIP/SIP FreeSWITCH C/C++
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Third Party, Contract
$40 - $50
Texas City, Texas
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12d ago
Job Description The Network Engineer/Telecom Engineer (Specialist or Expert level Hire) serves as a senior technical authority for enterprise network and telecommunications systems. This role designs, implements, and sustains highly available, secure, and scalable network and voice infrastructures while leading complex initiatives and advising stakeholders on network strategy. The role operates with minimal supervision and provides technical leadership across multiple network disciplines. Key R
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Contract
50 - 60
Hybrid in Austin, Texas
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12d ago
FreeSwitch Software Engineer Skill Sets Niche Skill Experience Preference SIP No 5-10 Years Is Required SIP media gateways and Session Boarder Controllers No 5-10 Years Nice To Have SIP Stack No NA Is Required SIPUA No NA Is Required Voice/VoIP/SIP No 5-10 Years Is Required FreeSWITCH No 2-5 Years Is Required C/C++ No 5-10 Years Is Required
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Contract, Third Party
$55 - $58
Philadelphia, Pennsylvania
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Today
Location: Philadelphia, PA, Bishops Gate, NJ, or Denver, CO Duration: 12 Month Contract Position Overview: Senior Voice / VoIP Engineer We are seeking a senior-level Voice/VoIP Engineer with strong SIP fundamentals and the ability to independently design, troubleshoot, and support large-scale voice platforms. Key Responsibilities Design and support SIP-based voice and VoIP solutions, including call center and IVR use cases Troubleshoot SIP signaling, media flows, and complex voice issues acro
Contract
Philadelphia, Pennsylvania
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Today
kills: experience working within a Linux environment, understanding of SBCs (Oracle SBCs are what they use but open to any), some automation experience would be great, and exposure to APIs like SOAP or REST would be great Position Overview: Senior Voice / VoIP Engineer We are seeking a senior-level Voice/VoIP Engineer with strong SIP fundamentals and the ability to independently design, troubleshoot, and support large-scale voice platforms. Key Responsibilities Design and support SIP-based voice
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Contract
50
Hybrid in Quincy, Massachusetts
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Today
Solid experience in Microsoft TEAMS Voice Architecture, and voice service administration, Delivers system/user installations, maintenances, MACD and AdministrationExperience in Microsoft Teams admin console, feature, licensing enablement and administrationKnowledge in Contact Center technology related to CCaaS environments, SIP integration
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Contract
Depends on Experience
Hybrid in Boston, Massachusetts
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22d ago
5-7 years of experience as a Voice Telecom UC EngineerResponsible for MS Teams architecture, installs, maintenance, etc.Testing and validatuon of servicesMust have proven experience with MS Teams Voice, IP Tele, PBX, etc.MS Teams ConsoleSIP, Number porting.This is a hybrid opportunity in Boston - 3 days onsite / 2 days remote - local candidates only.No 3rd Party Vendor calls/emails or candidates.
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Contract
60 - 65
Seattle, Washington
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5d ago
Role Summary The VoIP Engineer I is an entry-level technical role responsible for the administration, operation, troubleshooting, and support of enterprise-wide voice communication systems. This position involves assisting in the planning, installation, maintenance, and management of VoIP networks and unified communication services. The role requires collaboration with engineering teams and IT service desks to ensure reliable voice infrastructure and seamless communication experiences across the
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Contract, Third Party
Depends on Experience
Hybrid in Bridgewater, New Jersey
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Today
Role: Senior Telecom / UC Engineer Location: Bridgewater, NJ Hybrid In-person interview required Job Specs: This role focuses on Avaya systems, SIP, dial plans, PSTN, and call routing, along with CCaaS (Five9, NICE, Verint) and UCaaS platforms (Teams Phone, Zoom Phone). You ll also design IVR flows, troubleshoot call issues, and ensure reliable, scalable voice services. -- Asher Williams Desk: 2o1.497.1o1o X:1o5 | Direct: 551.272.o129 asher (at) pullskill dot com
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Contract, Third Party
$60 - $70
Mount Laurel Township, New Jersey
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6d ago
Hello Please go through below job details and let me know your interest Role: Python Engineer with SIP/IMS/BroadBand/Networking Location: Location Mount Laurel, NJ (ONSITE) Duration: Contract Required Skills & Experience: Strong programming knowledge with Python and JavaScript.Good hands-on experience with Go Lang and NodeJS.Hands-on experience with MochaJS for scripting and automated testing.Excellent knowledge with web technologies like REST, SOAP, XML and JSONProficiency in API testing using
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Contract
Depends on Experience
Hybrid in Leesburg, Virginia
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14d ago
Job Title:Voice Program Manager Location: Arlington, VA Work Model: mostly remote with occasional onsite work Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract We are looking for LOCAL CANDIDATES ONLY with a minimum of 10 years of telecommunications experience (PSTN, VoIP, call centers, IVR, UCaaS, CCaaS, SIP) and a minimum of 10 years of operations or program management. Candidates with local government experience are highly preferred. Description This position will b
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Contract, Third Party
Depends on Experience
San Francisco, California
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13d ago
Required following years of experience performing the following migration services:a. 5 years experience migrating from Avaya to Microsoft Teams VoIP.b. 10 years'' experience migrating from Avaya to Cisco VoIPRequired Experience Hands-On Experience: Expert-level experience with Cisco telephony systems and Microsoft Teams, including participation in migration projects, management of VoIP solutions, and work in production environments. Consulting or Implementation Experience: Experience providing
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Third Party, Contract
Depends on Experience
Rockville, Maryland
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5d ago
Job Title: Telecom Technician Location: Rockville, Maryland Type: Contract Contractor Work Model: Onsite Overview: Local Government Client is seeking a Telecom Technician to supplement existing telecommunications staff. This role will support both the legacy Avaya telephony environment and the organizations enterprise Microsoft Teams UCaaS rollout, which is currently being deployed to ~80% of end users. This technician will perform day to day telecom operations, onsite support, low voltage cabl
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Contract, Third Party
$35
King of Prussia, Pennsylvania
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Today
A growing VoIP-focused MSP in King of Prussia, PA is hiring a full-time VoIP Engineer to support and deploy PBX and unified communications solutions for a wide range of clients. This team specializes in VoIP systems, SIP trunking, and cloud-based communications, working with platforms like 3CX, Asterisk, and Microsoft Teams Voice alongside networking and firewall technologies. You will become the go-to expert in VoIP and PBX systems while still working hands-on in a fast-paced MSP environment. Y
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Full-time
$70000 - $80000
Remote
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8d ago
Job Summary We are hiring an IVR Support Engineer to support a centralized IVR orchestration and routing platform (ICX) that integrates across carriers (SBC), Avaya contact center stack, IVR applications, agents, CTI, and Google Dialogflow. This role requires strong end-to-end call flow understandingnot just telephony or application support. You will be responsible for analyzing customer interactions across multiple layers, triaging issues, and ensuring seamless routing and IVR performance.
Contract, Third Party
$65 - $70
