Job Summary:
We are seeking an experienced SIP/Dialer Software Engineer with expertise in configuring
and maintaining Asterisk or Freeswitch systems. The role involves working with SIP servers,
call center dialers, and VoIP technologies to ensure seamless communication, system reliability,
and optimal performance.
The ideal candidate will be instrumental in configuring, optimizing, and troubleshooting dialer
systems while collaborating with cross-functional teams to support call center operations. If you
are passionate about telephony systems and possess in-depth knowledge of SIP, VoIP, and
dialer technologies, we encourage you to apply.
Key Responsibilities
● SIP Server Configuration & Management: Install, configure, and manage SIP servers
(e.g., Axterisk, Freeswitch, Kamailio etc) to ensure seamless integration with call center
systems and stable SIP trunking.
● Dialer Setup & Optimization: Configure, maintain, and optimize outbound dialer
systems (predictive, progressive, manual, or preview modes) to meet business goals
and compliance standards.
● Asterisk/Freeswitch Expertise: Provide expert-level support, installation, and
troubleshooting for Asterisk or Freeswitch systems, ensuring high system availability.
● System Monitoring & Maintenance: Continuously monitor system performance,
conduct root cause analysis, and proactively resolve issues to prevent disruptions.
● VoIP Performance Enhancement: Analyze call quality metrics, reduce latency, and
optimize RTP/SIP signaling flows to improve user experience.
● Integration with Business Systems: Develop and maintain integrations between the
dialer system, CRMs, databases, and third-party telephony platforms.
● Collaboration & Support: Collaborate with teams including network engineers and
developers to resolve issues and provide technical support to users and agents.
● Security Compliance & Updates: Ensure systems are updated with the latest patches,
security enhancements, and regulatory compliance measures.
● Documentation & Knowledge Sharing: Maintain detailed records of configurations,
updates, and troubleshooting steps, and share knowledge across teams.
Required Skills & Qualifications
● SIP Server Expertise: Proficient in setting up and managing SIP servers such as
Asterisk, Freeswitch, Kamailio, or similar platforms.
● Hands-On Asterisk/Freeswitch Experience: At least 2+ years of working experience
with configuration, maintenance, and optimization.
● Dialer Systems: Proven experience with call center dialers, including configuration of
predictive/manual/progressive dialing modes.
● VoIP Protocols: Strong understanding of SIP, RTP, WebRTC, and other VoIP
technologies.
● Network Knowledge: Familiarity with NAT traversal, QoS, and basic network
troubleshooting for VoIP systems.
● Programming Skills: Working knowledge of scripting or programming languages such
as Python, Java, or Bash for automation and system configuration.
● Database Integration: Experience with SQL/NoSQL databases for storing and
managing call logs and telephony metadata.
● Analytical & Problem-Solving Skills: Ability to analyze logs, identify bottlenecks, and
implement solutions efficiently.
● Excellent Communication: Strong written and verbal communication skills to convey
technical information effectively.
Preferred Qualifications
● Experience with cloud-based telephony solutions
● Familiarity with high-availability systems and clustering techniques for telephony
platforms.
● Knowledge of compliance standards in call center operations, such as TCPA, TRAI
regulations, or similar.
● Experience with load testing and scalability for telephony systems.
Education
● Bachelor’s degree in Computer Science, Telecommunications, or a related field, or
equivalent work experience.
