Full time

Work From Home

This Position is Currently Open

Department / Category:

Engineer

Listed on Jul 25, 2025

Work Location:

Bangalore

Chennai

Job Descritpion of TAO Lead Engineer

10+ Years Relevant Experience

We are seeking an experienced TAO Lead Engineer to architect, implement, and support advanced telecom and network solutions involving Avaya voice, routing and switching, and network function virtualization (NFV). This role requires deep hands-on expertise in working with Cisco, Juniper, and Vyatta platforms (physical and virtual), and configuring SIP-based IP telephony, session border controllers, firewalls, and SD-WAN environments.

You will play a critical role in translating complex customer requirements into technical implementations in line with TAO (Technology as an Offering) standards, and lead both design and troubleshooting engagements across a multi-tenant, virtualized network infrastructure.

Key Responsibilities:

- Collaborate with customers and AT&T; Technical Sales Consultants to design and validate custom TAO solutions.
- Identify contractual gaps versus customer needs and escalate them to the NI engagement team as needed.
- Create detailed Low-Level Design (LLD) diagrams and develop comprehensive implementation and test plans.
- Perform configuration and provisioning tasks on:

- Routers (Cisco, Juniper, Vyatta)
- Session Border Controllers (SBC) — AudioCodes and Oracle
- SD-WAN devices (Cisco, VeloCloud, Silver Peak)
- Firewalls (Fortigate, Palo Alto)

- Troubleshoot deployment and connectivity issues in collaboration with internal teams, external stakeholders, and customer IT staff.
- Provide Tier-3/4 operational support for escalations and post-deployment technical queries.
- Serve as a single point of contact (technical lead) for assigned customer implementations.
- Support change management,



including design validation, change approvals, testing, and documentation updates.

Required Skills & Experience:

‍‍

- 10+ years of in-depth experience in network routing and switching, particularly across Cisco, Juniper, and Vyatta environments.
- 3+ years of experience configuring and supporting AudioCodes and Oracle SBCs.
- 2+ years of experience in Network Function Virtualization (NFV), preferably in cloud or virtualized multi-tenant environments.
- Solid understanding of SIP, IP Telephony, VoIP, and unified communications protocols.
- Expertise in configuring and supporting:

- SD-WAN (Cisco, VeloCloud, Silver Peak)
- Firewalls (Fortinet, Palo Alto)
- Virtual routers (e.g., Juniper vSRX)

- Familiarity with Avaya voice systems is highly desirable.
- Excellent documentation skills using Visio, Word, and related tools.
- Strong problem-solving skills with an ability to manage complex implementations under pressure.
- Effective communicator with the ability to interface directly with customers and technical/non-technical stakeholders.

Preferred Qualifications:

- Relevant certifications such as CCNP/CCIE, JNCIP/JNCIE, Fortinet NSE, Palo Alto PCNSE, or AudioCodes/Oracle SBC certifications.
- Experience working in a telecom carrier, managed services, or large-scale enterprise networking environment.
- Working knowledge of SDN/NFV orchestration or cloud-based network service models.

Soft Skills:

‍‍

- Strategic thinker with solid attention to detail.
- Ability to work independently and lead technical discussions with confidence.
- High level of professionalism, ownership, and accountability.

Required Skills for TAO Lead Engineer Job

- Avaya Voice
- Routing & Switching Over Cisco
- Juniper
- Vyatka Physical
- Virtual Platforms

Our Hiring Process

- Screening (HR Round)

- Technical Round 1

- Technical Round 2

- Final HR Round

📌 TAO Lead Engineer (India)
🏢 Phygital Insights
📍 India