4,559 Voice Engineer jobs in India

We are looking for an experienced VoIP Developer who has deep expertise

in setting up and scaling VoIP-based contact center solutions using Asterisk or similar

technologies. The ideal candidate should have hands-on experience in building inbound and

outbound dialer systems from the ground up, with a strong grasp of SIP protocol, cloud

infrastructure, and telephony integration best practices.

Key Responsibilities:

● Dialer Setup & Architecture

• Design and implement scalable cloud-based inbound and outbound
• dialer architecture using Asterisk, Kamailio/OpenSIPS, and related tools.
• Lead the end-to-end setup of dialer systems including IVR,
• predictive/auto/manual dialing modes, and queue management.

● SIP & Telephony

• Deep understanding of SIP protocol, RTP, and VoIP call flows.
• Configure and troubleshoot SIP trunks, SBCs, media gateways, and NAT
• traversal issues.
• Optimize call routing, codec negotiation, DTMF handling, and failover.

● System Engineering

• Own the cloud deployment of dialer systems (AWS, GCP, or Azure) using
• containerization (Docker/Kubernetes preferred).
• Ensure high availability, performance monitoring, logging, and disaster
• recovery for dialer infrastructure.
• Collaborate with network and DevOps teams to fine-tune VoIP
• performance and reliability.

● Compliance & Quality

• Ensure the dialer adheres to compliance standards like DND, TRAI/DoT
• (India), TCPA (US), etc.
• Implement call recording, real-time monitoring, and post-call analytics
• systems.

● Development & Integration

• Work closely with backend and frontend developers to expose dialer
• APIs for CRM/agent dashboards.
• Integrate with third-party telephony platforms (Tata, Airtel, Twilio, Exotel,
• etc.) and CRM systems.

● Troubleshooting & RCA

• Perform in-depth debugging of call failures using PCAP traces, SIP logs,
• and Asterisk CLI.
• Provide root cause analysis and implement permanent fixes for recurring
• issues.

Requirements:

● 2+ years of hands-on experience with Asterisk, Kamailio/OpenSIPS, FreeSWITCH,

or similar VoIP systems.

● Deep knowledge of SIP protocol, RTP, WebRTC, STUN/TURN, and NAT-related

issues.

● Experience designing and deploying large-scale dialer systems on cloud

infrastructure.

● Solid experience in Linux system administration and shell scripting.

● Familiarity with SBCs (e.g., Acme Packet, Sansay, Audiocodes) and SIP

debuggers (sngrep, Wireshark).

● Exposure to call center metrics, DNC lists, retry logic, concurrency management.

● Experience with REST APIs, MySQL/Postgres, and message queues

(RabbitMQ/Kafka) is a plus.

● Bonus: Experience with voice biometrics, conversational IVR, AI-based call

scoring.

Preferred Qualifications:

● Bachelor’s or Master’s degree in Computer Science, Electronics, or a related field.

● VoIP certifications (dCAP, CCVP, etc.) are a plus.

● Prior experience working in fintech, edtech, or BPO-focused tech environments.Why Join Us?

● Opportunity to own and shape the telephony backbone of a high-growth product.

● Work with a team that values autonomy, innovation, and deep technical ownership.

● Be part of solving real business challenges through scalable communication infrastructure.

We are looking for an experienced VoIP Developer who has deep expertise

in setting up and scaling VoIP-based contact center solutions using Asterisk or similar

technologies. The ideal candidate should have hands-on experience in building inbound and

outbound dialer systems from the ground up, with a strong grasp of SIP protocol, cloud

infrastructure, and telephony integration best practices.

Key Responsibilities:

● Dialer Setup & Architecture

• Design and implement scalable cloud-based inbound and outbound
• dialer architecture using Asterisk, Kamailio/OpenSIPS, and related tools.
• Lead the end-to-end setup of dialer systems including IVR,
• predictive/auto/manual dialing modes, and queue management.

● SIP & Telephony

• Deep understanding of SIP protocol, RTP, and VoIP call flows.
• Configure and troubleshoot SIP trunks, SBCs, media gateways, and NAT
• traversal issues.
• Optimize call routing, codec negotiation, DTMF handling, and failover.

● System Engineering

• Own the cloud deployment of dialer systems (AWS, GCP, or Azure) using
• containerization (Docker/Kubernetes preferred).
• Ensure high availability, performance monitoring, logging, and disaster
• recovery for dialer infrastructure.
• Collaborate with network and DevOps teams to fine-tune VoIP
• performance and reliability.

● Compliance & Quality

• Ensure the dialer adheres to compliance standards like DND, TRAI/DoT
• (India), TCPA (US), etc.
• Implement call recording, real-time monitoring, and post-call analytics
• systems.

● Development & Integration

• Work closely with backend and frontend developers to expose dialer
• APIs for CRM/agent dashboards.
• Integrate with third-party telephony platforms (Tata, Airtel, Twilio, Exotel,
• etc.) and CRM systems.

● Troubleshooting & RCA

• Perform in-depth debugging of call failures using PCAP traces, SIP logs,
• and Asterisk CLI.
• Provide root cause analysis and implement permanent fixes for recurring
• issues.

Requirements:

● 2+ years of hands-on experience with Asterisk, Kamailio/OpenSIPS, FreeSWITCH,

or similar VoIP systems.

● Deep knowledge of SIP protocol, RTP, WebRTC, STUN/TURN, and NAT-related

issues.

● Experience designing and deploying large-scale dialer systems on cloud

infrastructure.

● Solid experience in Linux system administration and shell scripting.

● Familiarity with SBCs (e.g., Acme Packet, Sansay, Audiocodes) and SIP

debuggers (sngrep, Wireshark).

● Exposure to call center metrics, DNC lists, retry logic, concurrency management.

● Experience with REST APIs, MySQL/Postgres, and message queues

(RabbitMQ/Kafka) is a plus.

● Bonus: Experience with voice biometrics, conversational IVR, AI-based call

scoring.

Preferred Qualifications:

● Bachelor’s or Master’s degree in Computer Science, Electronics, or a related field.

● VoIP certifications (dCAP, CCVP, etc.) are a plus.

● Prior experience working in fintech, edtech, or BPO-focused tech environments.Why Join Us?

● Opportunity to own and shape the telephony backbone of a high-growth product.

● Work with a team that values autonomy, innovation, and deep technical ownership.

● Be part of solving real business challenges through scalable communication infrastructure.

We are looking for an experienced VoIP Developer who has deep expertise

in setting up and scaling VoIP-based contact center solutions using Asterisk or similar

technologies. The ideal candidate should have hands-on experience in building inbound and

outbound dialer systems from the ground up, with a strong grasp of SIP protocol, cloud

infrastructure, and telephony integration best practices.

Key Responsibilities:

● Dialer Setup & Architecture

• Design and implement scalable cloud-based inbound and outbound
• dialer architecture using Asterisk, Kamailio/OpenSIPS, and related tools.
• Lead the end-to-end setup of dialer systems including IVR,
• predictive/auto/manual dialing modes, and queue management.

● SIP & Telephony

• Deep understanding of SIP protocol, RTP, and VoIP call flows.
• Configure and troubleshoot SIP trunks, SBCs, media gateways, and NAT
• traversal issues.
• Optimize call routing, codec negotiation, DTMF handling, and failover.

● System Engineering

• Own the cloud deployment of dialer systems (AWS, GCP, or Azure) using
• containerization (Docker/Kubernetes preferred).
• Ensure high availability, performance monitoring, logging, and disaster
• recovery for dialer infrastructure.
• Collaborate with network and DevOps teams to fine-tune VoIP
• performance and reliability.

● Compliance & Quality

• Ensure the dialer adheres to compliance standards like DND, TRAI/DoT
• (India), TCPA (US), etc.
• Implement call recording, real-time monitoring, and post-call analytics
• systems.

● Development & Integration

• Work closely with backend and frontend developers to expose dialer
• APIs for CRM/agent dashboards.
• Integrate with third-party telephony platforms (Tata, Airtel, Twilio, Exotel,
• etc.) and CRM systems.

● Troubleshooting & RCA

• Perform in-depth debugging of call failures using PCAP traces, SIP logs,
• and Asterisk CLI.
• Provide root cause analysis and implement permanent fixes for recurring
• issues.

Requirements:

● 2+ years of hands-on experience with Asterisk, Kamailio/OpenSIPS, FreeSWITCH,

or similar VoIP systems.

● Deep knowledge of SIP protocol, RTP, WebRTC, STUN/TURN, and NAT-related

issues.

● Experience designing and deploying large-scale dialer systems on cloud

infrastructure.

● Solid experience in Linux system administration and shell scripting.

● Familiarity with SBCs (e.g., Acme Packet, Sansay, Audiocodes) and SIP

debuggers (sngrep, Wireshark).

● Exposure to call center metrics, DNC lists, retry logic, concurrency management.

● Experience with REST APIs, MySQL/Postgres, and message queues

(RabbitMQ/Kafka) is a plus.

● Bonus: Experience with voice biometrics, conversational IVR, AI-based call

scoring.

Preferred Qualifications:

● Bachelor’s or Master’s degree in Computer Science, Electronics, or a related field.

● VoIP certifications (dCAP, CCVP, etc.) are a plus.

● Prior experience working in fintech, edtech, or BPO-focused tech environments.Why Join Us?

● Opportunity to own and shape the telephony backbone of a high-growth product.

● Work with a team that values autonomy, innovation, and deep technical ownership.

● Be part of solving real business challenges through scalable communication infrastructure.

Job Title: Network Voice Engineer (Webex Collaboration Specialist)

Primarily working in US shifts

Job Summary:

We are seeking a highly skilled and experienced Network Voice Engineer with a strong focus on Cisco Webex collaboration platforms. The successful candidate will be responsible for the design, implementation, maintenance, and troubleshooting of our enterprise-level voice and video collaboration solutions, with a particular emphasis on Webex Calling, Webex Meetings, Webex Contact Center, and Webex Devices. This role requires deep technical expertise in VoIP protocols, network infrastructure, and a comprehensive understanding of the Webex ecosystem.

Key Responsibilities:

Webex Platform Management:

Design, deploy, configure, and manage Cisco Webex Calling, Webex Meetings, Webex Contact Center, and Webex Devices (Desk Pros, Room Kits, etc.). Administer and optimize Webex Control Hub, ensuring secure and efficient operation of all Webex services.

Integrate Webex with other enterprise systems (e.g., Active Directory, CRM, contact center applications).

Manage Webex user provisioning, licensing, and feature assignments.

Voice Network Infrastructure:

Implement and maintain Cisco Unified Communications Manager (CUCM), Cisco Unity

Connection (CUC), and Cisco Expressway/VCS.

Configure and troubleshoot VoIP gateways (MGCP, H.323, SIP).

Ensure QoS (Quality of Service) is properly implemented and monitored across the voice network.

Manage and optimize SIP trunks, dial plans, and call routing policies.

Troubleshooting and Support:

Provide expert-level troubleshooting and resolution for complex voice and video collaboration issues, including call quality problems, connectivity issues, and feature malfunctions.

Act as a Tier 2/3 escalation point for voice and Webex-related incidents.

Utilize network analysis tools (e.g., Wireshark, packet sniffers) to diagnose and resolve issues.

Document troubleshooting steps and create knowledge base articles.

Monitoring and Optimization:

Monitor performance and availability of voice and Webex infrastructure.

Proactively identify and address potential issues to minimize downtime.

Implement best practices for security and performance optimization of Webex and voice systems.

Projects and Documentation:

Lead or participate in voice and collaboration projects, from initial design to successful implementation.

Create and maintain comprehensive documentation for network configurations, voice systems, and Webex platform architecture.

Stay current with emerging technologies and best practices in voice and collaboration.

Collaboration:

Work closely with network, security, and application teams to ensure seamless integration and operation of voice and collaboration services.

Provide technical guidance and training to junior team members.

Qualifications:

Education: Bachelor's degree in computer science, Information Technology, Telecommunications, or a related field (or equivalent practical experience).

Experience:

12+ years of experience in network voice engineering, with a strong focus on Cisco Unified Communications.

Proven experience with Cisco Webex Calling, Webex Meetings, Webex Contact Center, and Webex Devices.

Demonstrable experience managing Webex Control Hub and associated integrations.

Technical Skills:

Expertise in Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC), Cisco Expressway/VCS.

Strong understanding of VoIP protocols (SIP, H.323, MGCP, RTP, SRTP).

Proficiency in network routing and switching (Cisco preferred), including QoS implementation.

Experience with network security concepts related to voice and collaboration.

Familiarity with PowerShell scripting or other automation tools is a plus.

Certifications (Preferred but not required):

CCNP Collaboration (Cisco Certified Network Professional Collaboration)

Cisco Certified Specialist - Collaboration Applications

Cisco Certified Specialist - Collaboration Core

Webex certifications

Job Area:  Information Technology Group, Information Technology Group > IT Engineering

General Summary:

The responsibilities of this individual will have a focus on managing VoIP, Web-Ex Contact Center solutions ensuring the smooth and efficient operations. Duties will also include service monitoring and maintenance, infrastructure and client support, and project/upgrade work for the supported services and technologies.Key Responsibilities:- Deployment, support, and troubleshootingDeploy, support, and troubleshoot various versions of TEAMS Phone System.- Strategic thinking and ability to take technical decisions and drive nitiatives -Communication across organizational levelsDiscuss Teams and Office 365 Platform Services with technical staff, project managers, and management.- Ability to lead complex projects and initiatives by demonstrating technical and strategic skills - PowerShell expertiseUtilize strong knowledge of PowerShell commands and scripting for system management.- Ribbon SBCs integrationExperience with Ribbon SBCs integrated with MS Teams Direct Routing, including deployment methodologies, best practices, and troubleshooting.- Poly (HP) Devices managementDeploy and troubleshoot Teams Phone System and Poly (HP) Devices, following best practices.- Unified Messaging integrationConfigure Teams audio, video, and telephony solutions, integrating them with M365- Manage Field Requests Handle requests from various resources, including creating and modifying agent profiles and IVR call flows.- Build/configure/implement call flowsDesign and implement call flow structures to enhance customer experience and operational efficiency.- TIER 3 operations and maintenance:Focus on day-to-day operations, preventive maintenance, and upgrade responsibilities in the call center environment.- Expertise in WxCCE componentsDemonstrate TIER 3 expertise in configuration and troubleshooting of WxCCE components.- Troubleshooting and log analysisCapture and interpret debug level logs for WxCCE and other UC environments to diagnose and resolve issues.- Support and stakeholder engagementProvide support to contact center stakeholders and ensure smooth operations through effective configuration and testing in WxCCE environments.

Minimum Qualifications:

3+ years of IT-related work experience with a Bachelor's degree.

OR

5+ years of IT-related work experience without a Bachelors degree.

Physical Requirements:

Frequently transports and installs equipment up to 20 lbs.

Bachelor's/Masters in Information Technology or equivalentOverall 8+ Years of Experience with SBCs, Unified Communications and Contact Center technology.Any certifications in relevent Microsoft Technologies like MS-721, Webex Contact Center, etc.

8+ Years of Experience with SBCs, Unified Communications and Contact Center technology.Any certifications in relevent Microsoft Technologies like MS-721, Webex Contact Center, etc.

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• If you would like more information about this role, please contact Qualcomm Careers.

What you will be doing:

• Handles customer requests for telecommunications support including moves, adds, changes, repairs and inquiries.
• Troubleshoots major telecommunications issues.
• Interfaces with vendors to resolve technical issues
• Will be working in 24/7 Rotational shifts

What you bring :

• 3 to 5 years of experience on Cisco Voice.
• Good with troubleshooting CUCM and CUBE.
• Basic level of understanding on Underlying network and layer 3 routing.