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Freeswitch Engineer Jobs (NOW HIRING)

ClifyX

Senior VoIP/FreeSWITCH Engineer

Austin, TX · Hybrid

Senior VoIP/FreeSWITCH Engineer Work Location: Austin, TX / Sunnyvale, CA (Hybrid) Contract duration: 12+ Months Interview mode Video interview We are seeking an experienced FreeSWITCH Engineer with ...

IT America Inc

SIP/VoIP Software Engineer

Austin, TX · On-site

SIP/VoIP Software Engineer Location: Austin, TX (Hybrid) Duration: Long term contract Job Summary ... Work with FreeSWITCH for call routing and voice applications * Ensure high performance, scalability ...

Five9

OR

We are actively seeking a Platform Engineer to join our Cloud Operations team. This is a high ... Experience with SIP telephony (Freeswitch, Asterisk, Kamailio, WebRTC) is a plus

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Freeswitch Engineer information

What is a Freeswitch Engineer?

A Freeswitch Engineer is a technical professional who specializes in the installation, configuration, maintenance, and troubleshooting of FreeSWITCH, an open-source telephony platform. These engineers design and deploy scalable VoIP (Voice over IP) systems for organizations, integrating FreeSWITCH with other communication tools and protocols like SIP, WebRTC, and video conferencing solutions. Their work often includes developing custom modules, optimizing system performance, ensuring security, and providing ongoing support for telecommunication infrastructures. Freeswitch Engineers are essential for businesses that rely on reliable and flexible voice or video communication solutions.

What is the difference between Freeswitch Engineer vs VoIP Engineer?

AspectFreeswitch EngineerVoIP Engineer
CertificationsFreeswitch-specific certifications, general VoIP certificationsVoIP certifications, such as CCNA Voice, Cisco certifications
Work EnvironmentTelecommunications companies, VoIP service providers, call centersTelecom firms, IT departments, VoIP service providers
ResponsibilitiesConfiguring, maintaining, and optimizing Freeswitch platformsDesigning, implementing, and troubleshooting VoIP systems

Freeswitch Engineers focus specifically on the Freeswitch platform, while VoIP Engineers have a broader role in designing and managing various VoIP systems. Both roles require similar certifications and often work in the same environments, but their scope of work differs in platform specialization versus system-wide VoIP solutions.

What are the key skills and qualifications needed to thrive as a Freeswitch Engineer, and why are they important?

To thrive as a Freeswitch Engineer, you need strong knowledge of VoIP technologies, SIP protocols, and experience with Freeswitch configuration and troubleshooting, often backed by a degree in computer science or related field. Familiarity with Linux systems, scripting languages (such as Python or Bash), and tools like Wireshark for network analysis is typically required. Excellent problem-solving skills, attention to detail, and effective communication make someone stand out in this role. These abilities are crucial for ensuring reliable, scalable telecommunication solutions and quick resolution of technical issues.

What are some typical challenges a Freeswitch Engineer might face when integrating Freeswitch with other telephony systems?

Freeswitch Engineers often encounter challenges when integrating Freeswitch with legacy PBX systems or third-party VoIP platforms, as compatibility and protocol differences can create interoperability issues. Troubleshooting SIP signaling, codec mismatches, and NAT traversal are common technical hurdles. Additionally, ensuring the security and scalability of call flows requires careful configuration and ongoing monitoring. Working closely with network engineers and application developers is essential to resolve integration issues and deliver reliable communication solutions.
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Infographic showing various Freeswitch Engineer job openings in the United States as of May 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 100% Hybrid job distribution.
Senior VoIP/FreeSWITCH Engineer

Senior VoIP/FreeSWITCH Engineer

ClifyX

Austin, TX • Hybrid

Other

Posted yesterday

Job description

Job Title: Senior VoIP/FreeSWITCH Engineer

Work Location: Austin, TX / Sunnyvale, CA (Hybrid)

Contract duration: 12+ Months

Interview mode Video interview

Job Description:
We are seeking an experienced FreeSWITCH Engineer with strong expertise in VoIP and real-time communication technologies. The ideal candidate will have hands-on experience with FreeSWITCH, WebRTC, SIP, and video conferencing systems. This role involves designing, developing, and supporting scalable voice and video communication platforms.

Required Skills:

  • Strong experience with FreeSWITCH
  • Experience with WebRTC and VoIP technologies
  • Knowledge of SIP (Session Initiation Protocol)
  • Experience with video transcoding and media servers
  • Understanding of MCU (Multi-Point Control Unit) architectures
  • Experience working with Linux-based systems

Preferred:

  • Experience building real-time communication platforms
  • Telecom or unified communications background.

Sincerely,

Shivendra Tiwari

Senior US IT Recruiter

E-mail: |

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About ClifyX

Sourced by ZipRecruiter

ClifyX is a well-established player in the IT Services sector that specializes in providing result-oriented technological solutions to a wide range of industrial verticals. Based in South Plainfield, New Jersey, ClifyX offers a comprehensive selection of IT services that include project staffing, application development, professional consulting, and other IT-based solutions. While the company's website, clifyx.com, does not divulge the exact founding date, it is clear that ClifyX has grown into a renowned name within their domain, thanks to their unwavering commitment to innovative practices. The company's mission statement revolves around harnessing the power of technology to assist their clientele in steering their respective businesses towards success.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

South Plainfield, NJ, US

Year founded

1998

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