The Senior VoIP Engineer will lead the design, deployment, and support of enterprise voice and unified communications solutions for multiple customer environments. The role requires deep expertise in SIP-based telephony, strong networking fundamentals, and advanced proficiency in Asterisk-based PBX platforms, including customization, integration, and troubleshooting.
Responsibilities
- 1. Solution Design & Pre-Sales Support
- • Design VoIP and UC solutions tailored to client requirements and SLAs
- • Produce technical proposals, HLD/LLD documents, and BoQs
- • Support pre-sales teams with demos, architecture validation, and solution sizing
- 2. Implementation & Integration
- • Deploy and configure IP-PBX platforms, SIP trunks, gateways, SBCs, and IP phones
- • Install and customize Asterisk PBX systems including dial plans, IVRs, queues, AGI scripts, and integrations
- • Integrate VoIP with CRM, call recording, billing, or contact-center solutions
- • Lead migrations from legacy PBX to IP telephony
- 3. Support & Troubleshooting
- • Provide L3 support for customer voice environments
- • Diagnose SIP signaling, codec negotiation, NAT traversal, and media issues
- • Analyze packet captures and CDRs to resolve complex call problems
- • Optimize QoS, latency, jitter, and bandwidth utilization
- 4. Customer & Vendor Coordination
- • Interface with telecom operators, SIP providers, and equipment vendors
- • Provide technical guidance to customers and internal teams
- • Deliver handover documentation and customer training
- 5. Continuous Improvement
- • Develop reusable deployment templates and automation scripts
- • Recommend new UC technologies, cloud telephony, and hybrid solutions
- • Mentor junior engineers and contribute to knowledge base
Qualifications
- • Bachelor’s degree in IT, Telecommunications, or related field
- • 5+ years of VoIP engineering experience in service provider, integrator, or enterprise environment
- • Strong hands-on expertise with Asterisk PBX administration and customization
- • Deep understanding of SIP, RTP, codecs, NAT traversal, and call routing
- • Solid networking skills (VLANs, routing, QoS, firewalls, VPNs)
- • Experience with Linux server administration
Preferred Experience
- • Contact center deployments and call recording systems
- • SIP trunk integrations with multiple carriers
- • SBC configuration and security hardening
- • Cloud VoIP platforms and hybrid telephony models
- • Scripting (Bash, Python, or similar) for automation
Preferred Certifications
- • VoIP / UC vendor certifications
- • Linux administration certifications
- • Networking certifications
- • Asterisk or open-source telephony training is a strong advantage
Key Skills
- • Advanced VoIP troubleshooting and packet analysis
- • Strong customer-facing and documentation skills
- • Ability to manage multiple client projects simultaneously
- • Problem-solving mindset and ownership of service delivery
How to Apply:
Job type Full-time Job, To submit your application, please follow the link provided below.

