Senior VoIP Engineer

Role Overview

The Senior VoIP Engineer will lead the design, deployment, and support of enterprise voice and unified communications (UC) solutions across multiple customer environments. This role requires deep expertise in SIP-based telephony, strong networking fundamentals, and advanced hands-on experience with Asterisk-based PBX platforms, including customization, integration, and complex troubleshooting.

Key Responsibilities

1. Solution Design & Pre-Sales Support

Design VoIP and UC solutions aligned with customer requirements and SLAs
Prepare technical proposals, High-Level Designs (HLDs), Low-Level Designs (LLDs), and Bills of Quantities (BoQs)
Support pre-sales teams through solution sizing, demos, and architecture validation

2. Implementation & Integration

Deploy and configure IP-PBX platforms, SIP trunks, gateways, SBCs, and IP phones
Install, customize, and maintain Asterisk PBX systems, including:
- Dial plans
- IVRs
- Queues
- AGI scripts
- Third-party integrations
Integrate VoIP platforms with CRM systems, call recording, billing, and contact-center solutions
Lead migrations from legacy PBX systems to IP-based telephony

3. Support & Troubleshooting

Provide Level 3 (L3) support for customer voice environments
Troubleshoot SIP signaling, codec negotiation, NAT traversal, and media path issues
Analyze packet captures, logs, and CDRs to resolve complex call problems
Optimize QoS, latency, jitter, and bandwidth utilization across networks

4. Customer & Vendor Coordination

Act as a technical interface with telecom operators, SIP providers, and equipment vendors
Provide technical guidance to customers and internal engineering teams
Deliver handover documentation and conduct customer training sessions

5. Continuous Improvement & Leadership

Develop reusable deployment templates and automation scripts
Recommend emerging UC technologies, cloud telephony, and hybrid solutions
Mentor junior engineers and contribute to internal knowledge bases and best practices

Required Qualifications

Bachelor’s degree in IT, Telecommunications, or a related field
5+ years of VoIP engineering experience in a service provider, system integrator, or enterprise environment
Strong hands-on expertise in Asterisk PBX administration and customization
In-depth knowledge of SIP, RTP, codecs, NAT traversal, and call routing
Solid networking skills, including VLANs, routing, QoS, firewalls, and VPNs
Experience with Linux server administration

Preferred Experience

Contact center deployments and call recording systems
SIP trunk integration with multiple carriers
SBC configuration and VoIP security hardening
Cloud VoIP platforms and hybrid telephony architectures
Scripting and automation using Bash, Python, or similar languages

Preferred Certifications

VoIP or UC vendor certifications
Linux administration certifications
Networking certifications (e.g., CCNA or equivalent)
Asterisk or open-source telephony training (strong advantage)

Key Skills & Competencies

Advanced VoIP troubleshooting and packet-level analysis
Strong customer-facing communication and documentation skills
Ability to manage multiple client projects simultaneously
Ownership mindset with strong problem-solving capabilities

How to Apply:

To submit your application, please follow the link provided below.

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