Job Description
We are looking for a VoIP SME with ISP/Telecom network expertise to design, implement and manage end to end VoIP services for enterprise customers. This role involves configuring Juniper PE to CE connectivity, optimizing SIP call flows, provisioning Nokia switches and deploying SBC configuration
This is a permanent work from office role and there is no work from home option available.
Shift timings will follow the Australian time zone starting at 2:00 AM/ 3:00 AM (IST) based on business requirements. Week offs will be rotational.
Public and festive holidays will follow the Australian calendar.
Design, provision, activate and support end to end VoIP services (SIP & TDM) across core voice networks and interconnect platforms.
Configure and validate voice routing, dial plans, numbering structures and call flows.
Configure and manage SIP trunks and interconnects.
Provision services across access, aggregation (Carrier Ethernet) and core network elements.
Configure customer-facing CPEs and network devices as required.
Configure and troubleshoot Juniper PE-to-Customer CE connectivity for VoIP/data, including BGP/OSPF, static routes, NAT and QoS.
Execute service activation, migration and cutover activities with minimal customer impact.
Perform pre and post change validations, including test calls and service acceptance testing.
Support planned network changes and maintenance windows (day/night).
Adhere to change management processes and quality gates.
Maintain accurate documentation, configurations and as-built records.
Perform Level 2 troubleshooting and prepare RCA reports for quality related issues.
Bachelor s degree (B.E./B.Tech) in Electronics, Computer Science, Telecommunications or a related discipline or equivalent experience.
Minimum 10+ years of experience in a Tier 1 or Tier 2 telecommunication provider/ISP within the Fixed Voice domain.
Mandatory to hold one of certifications: Cisco- CCNP Collaboration, Juniper JNCIP-SP, Nokia NRS or Ribbon SBC (vendor specific certifications).
Expertise in VoIP and SIP call flow engineering, including SIP, VoIP, ISDN, and PSTN.
Strong understanding of IP networking concepts such as TCP/IP, routing, QoS, and VLANs.
Vendor specific expertise level skills: Juniper, SIP, Nokia & Ribbon SBC.
Optional vendor skills: Oracle SBC, C20 Softswitch, Nortel CS2K, and Alcatel Lucent Voice Platforms.
Excellent verbal and written communication skills, with the ability to effectively engage stakeholders.
High resilience, strong problem solving ability, and a customer first mindset.
About Company
Tata Communications is a digital ecosystem enabler that powers today’s fast-growing digital economy. We enable the digital transformation of enterprises globally, including 300 of the Fortune 500. We carry around 30% of the world’s internet routes and connects businesses to 60% of the world’s cloud giants.
We have been a part of the rich heritage of the internet in India. Over the last 25 years, enterprise-enabled services have been essential to the adoption of digital services in the country. Connectivity is an essential fabric of sustenance for the economy. We are committed to enabling Industry leaders in this New World of Communications™, with our unique promise of delivering secure connected digital experiences.
In 2020, we announced the launch of ‘Secure Connected Digital Experience’ (SCDx), a proposition intended to meet this growing, worldwide demand for new ways of operating, which includes far higher levels of working from home, rising security risks, a shift to digital commerce, and more contactless experiences. It will help companies currently relying on short-term fixes by providing holistic, secure, enterprise-level digital solutions that address current challenges and are fit for the long term.
