Job Description
Job Description
Alianza is hiring a full-time Senior Voice Engineer for its technology team to lead and oversee all aspects of the company's voice platform. Alianza provides cloud-based voice solutions for communications service providers seeking to update and expand next-generation voice technologies. This role requires extensive technical expertise in carrier-grade VoIP systems, proven leadership capabilities, and the ability to drive strategic initiatives in a fast-paced, mission-critical environment.
Duties :
- Lead design and evolution of scalable voice platform architecture supporting high-volume traffic with 99.99% uptime.
- Maintain platform availability and stability through proactive monitoring, capacity planning, and performance optimization
- Conduct root cause analysis for complex service degradations and implement preventive measures
- Define technical standards, best practices, and multi-year technology roadmaps
- Assess voice infrastructure regularly and lead expansion projects to support organizational growth
- Serve as primary technical escalation point and subject matter expert across the organization
- Partner with cross-functional teams including infrastructure, development, product, and customer support
- Plan and execute maintenance activities with minimal service impact
- Develop disaster recovery and business continuity strategies
- Mentor engineers, participate in hiring, and foster technical excellence
- Participate in on-call rotation for critical infrastructure support
- Manage risks and issues as a subject matter expert for operational support and projects
- Assess the company's voice infrastructure regularly and initiate expansion or remediation projects to support organizational growth and reduce risks
- Plan and execute maintenance activities during designated windows with minimal service impact
Qualifications :
Required Experience :
Eight or more years of progressive experience in Voice and LAN / WAN design, implementation, and troubleshootingMinimum three years in a senior or lead engineering role with demonstrated leadership responsibilitiesProven track record of designing and implementing high-performance, scalable carrier-grade telephony architecturesExperience managing multi-vendor, geographically distributed voice infrastructureTechnical Expertise :
Expert-level proficiency with session border controllers (SBC) from major vendors including Oracle, Ribbon, Metaswitch, and CiscoExtensive hands-on experience with softswitches (e.g., BroadSoft, Metaswitch), media gateways, and application serversDeep understanding of cloud-based voice services and virtualized network functions (VNF / CNF)Advanced knowledge of VoIP / SIP technology, including complex multi-leg call scenarios and interoperability challengesExpert-level understanding of IPV4 / IPV6, UDP / TCP, DNS, NAT traversal, and QoS mechanismsDemonstrated expertise in SIP call flow debugging using tools like Wireshark, Homer, and vendor-specific diagnostic toolsComprehensive knowledge of modern VoIP codecs (G.711, G.729, G722, OPUS) and protocols (SIP, RTP / SRTP)Proven experience troubleshooting large-scale SIP / VoIP deployments including ATA / MTA devices, Cable Modem / ONT / ONU embedded xTA, and enterprise IP-PBX systemsKnowledge of telecommunications regulations and compliance requirements (STIR / SHAKEN, E911, CALEA)Proficiency in network security best practices for voice services including TLS, SRTP, and fraud preventionStrong Linux / Unix systems administration experience with automation capabilitiesExperience with virtualization platforms (VMware, KVM, OpenStack) and cloud computing environments (AWS, Azure, GCP)Professional Skills :
Exceptional analytical and problem-solving abilities with attention to detailOutstanding verbal and written communication skills with ability to explain complex technical concepts to non-technical stakeholdersProven project management capabilities and experience leading technical initiativesAbility to work effectively under pressure during critical outages and make sound decisions quicklyStrong documentation skills and commitment to knowledge sharing