Senior VoIP Engineer

You are expected to be an Avaya Voice Engineer / UC Architect with at least 7 years of experience in designing, deploying, and managing complex Avaya telephony environments. The job is based in Hyderabad and requires immediate availability. Key Responsibilities: - Design, deploy, and manage enterprise Avaya environments including Avaya Aura Communication Manager, Session Manager, System Manager, Avaya Messaging / Modular Messaging, Avaya SBCs / Session Border Controllers, and Contact Center / AACC / CMS if applicable. - Conduct voice architecture design reviews and implement best practices globally. - Manage high-availability voice systems, disaster recovery planning, and failover configurations. - Architect and implement integration with third-party services such as Microsoft Teams, SIP trunking providers, Active Directory, and Call Recording platforms. - Provide high-level support and root cause analysis for critical incidents and escalations. - Mentor junior engineers and guide the internal voice support team. - Maintain and update system documentation including voice infrastructure diagrams, SOPs, and escalation matrices. - Evaluate and recommend new technologies, upgrades, and security improvements within the UC domain. - Develop and maintain Avaya support relationships and manage vendor escalations to ensure SLA compliance. - Handle Avaya system migrations, software upgrades, and hardware refresh projects. - Ensure compliance with enterprise security, change management, and operational policies. Required Skills & Qualifications: - Hands-on experience with Avaya enterprise telephony platforms. - Deep expertise in Avaya Aura suite including CM, SM, SMGR, AM, and associated solutions. - Strong experience with SIP architecture, SBCs, trunking, and network voice routing. - Advanced troubleshooting and diagnostics skills using Avaya tools (SAT, ASA, traceSM, etc.). - In-depth knowledge of voicemail, EC500, DID provisioning, call flow design, and EVM configurations. - Experience integrating with Microsoft Active Directory, LDAP, and other enterprise services. - Ability to lead cross-functional technical discussions and influence architecture decisions. - Avaya Certified Support Specialist (ACSS) or Avaya Certified Implementation Specialist (ACIS) certifications are highly preferred. - Strong documentation and planning skills. - Experience with tools like Wireshark, Avaya One-X, System Platform, and Communication Manager CLI. Preferred Qualifications: - Familiarity with Avaya Contact Center (AACC/AES), workforce optimization tools, or recording systems.,