DHANUMJAYA REDDY BOMMIREDDY
Optical Network Technical Consulting Engineer
Srikakulam
Summary
Highly accomplished and results-driven Escalation Lead with over 14 years of extensive experience in optical networking, routing protocols, and service provider network design, deployment, and operations. Proven expertise in troubleshooting complex network issues, providing expert technical support for Cisco DWDM and packet optical products (NCS 1K, 2K, 4K), and managing critical customer accounts. Adept at leading technical teams, implementing service improvement plans, and ensuring high customer satisfaction (CSAT) and SLA adherence. Cisco Certified Specialist - Service Provider Core, with hands-on experience across multiple vendor platforms including Cisco, Tejas, ECI, Ciena, Huawei, and Adva.
Overview
14
14
years of professional experience
5
5
Certifications
Work History
Escalation Lead, SP Optical HTTS Team
Cisco Systems, Inc.
11.2021 - Current
- Serve as the primary point of contact (POC) for a top-tier customer account (Verizon), providing high-level technical support and strategic relationship management.
- Deliver expert post-sales technical support for Cisco DWDM and packet optical products (NCS2000, NCS4k, NCS1k) to global customers, ensuring optimal network performance.
- Utilize Cisco network design tools (CTP) to assist customers with DWDM design during traffic failures, significantly minimizing downtime and service disruption.
- Diagnose and resolve critical network issues, restoring network traffic efficiently and effectively for complex optical environments.
- Analyze OSA and OTDR outputs to implement effective troubleshooting strategies for optical network issues, including long-haul RAMAN amplifier links.
- Recommend and assist customers with software upgrades, ensuring hitless or least-impact network transitions, and maintaining operational continuity.
- Collaborate closely with Technical Consulting Engineers (TCE) to reduce backlog and ensure timely support for critical customer issues.
- Escalate complex issues to Cisco Engineering Teams (CET) and Business Units (BU) for swift resolution on critical customer cases.
- Managed high-stress situations with a calm demeanor, prioritizing customer concerns and ensuring timely resolutions.
- Developed strong relationships with key stakeholders across various departments by maintaining open lines of communication during challenging situations involving multiple parties.
- Resolved escalated customer issues by implementing effective problem-solving strategies and providing efficient solutions.
Sr. Engineer
Ribbon Communications
04.2020 - 11.2021
- Led the integration and deployment of Ribbon's optical transport solutions for key enterprise clients, improving network resilience and performance.
- Managed end-to-end network migration projects, ensuring seamless transition of critical services with minimal disruption.
- Mentored junior engineers, providing guidance in best practices and fostering professional growth opportunities.
SME for ECI Portfolio
Vodafone Idea Limited
07.2019 - 03.2020
- Served as a Subject Matter Expert for ECI's optical portfolio, providing critical technical guidance that resolved complex network challenges and optimized operational efficiency.
- Developed and delivered specialized training programs on ECI products to internal teams, enhancing technical proficiency and reducing escalation rates.
- Enhanced team performance by providing expert guidance on critical projects and strategic initiatives.
- Established best practices for knowledge sharing, fostering a culture of continuous learning and improvement.
- Developed effective training materials for diverse audiences, resulting in improved skillsets and increased job satisfaction.
Sr. Engineer
ECI Telecom India Pvt Ltd
04.2018 - 06.2019
- Provided remote and on-site support to international ISP customers, resolving network faults related to SDH, DWDM, OTN, L2 VPN, and MPLS-TP circuits.
- Troubleshot and resolved issues pertaining to ECI hardware products, ensuring high availability and performance.
- Coordinated effectively with customers, field teams, and project managers to ensure timely resolution of faults and issues.
- Conducted customer visits for new implementations and performed migrations and troubleshooting of service requests remotely.
Team Lead
TATA COMMUNICATIONS LTD
06.2014 - 03.2018
- Managed and resolved critical customer service issues (e.g., link down, flapping, low throughput, packet drops) for leased line circuits, consistently meeting SLAs and improving CSAT scores.
- Conducted quarterly performance reviews with Platinum accounts, sharing monthly link performance reports to maintain high customer satisfaction and retention.
- Led and mentored a team of 8 Technical Support Executives, ensuring weekly and monthly governance on key performance areas and fostering skill development.
- Proactively monitored hub site health and high-bandwidth links, arranging field team audits to prevent escalations and ensure network stability.
- Implemented service improvement plans to stabilize networks with repetitive issues and coordinated with feasibility teams for alternate last-mile solutions.
- Managed incident reports and conducted Root Cause Analysis (RCA) for all network events, providing permanent technical resolutions.
Service Delivery Executive
TATA COMMUNICATIONS LTD
09.2012 - 06.2014
- Collaborated with cross-functional teams (ISP, OSP, PM) to successfully deliver new customer services using multiplexers.
- Supported site audits, multiplexer installation and configuration, and hardware arrangement for new installations.
- Coordinated with TCL NOC & BOP teams to execute Equipment Order Request (EOR) and Installation Order Request (IOR) plans.
- Maintained comprehensive databases of executed EOR, IOR, MAN Access Rings, and connected customers for efficient troubleshooting.
- Managed a vendor team of 4 members to ensure smooth hardware installation at customer premises.
Field Engineer and Network Engineer
TATA COMMUNICATIONS LTD
09.2011 - 09.2012
- Provided online and field technical support to customers, troubleshooting leased lines and ISDN lines.
- Coordinated with Data, TTSL, BSNL for link maintenance and ensured smooth implementation and maintenance with vendors.
- Performed last mile connectivity testing using BERT meters, PRI Tester, and Ethernet Testers.
- Configured Lease Line modems (RAD ASMI-52, RAD RICI E1, LOOP, CTC) and provided network support for LAN & WAN.
Education
Bachelor of Science - Computer Science Engineering
JNTU Kakinada, Chirala Engineer College
Chirala , Andhra Pradesh04-2011
Skills
Optical technologies: DWDM metro, long haul, OTN, ROADM, WSON, SSON, amplifiers (EDFA, Raman), OSA, OTDR and testing equipment
Networking protocols: IGP, BGP, MPLS, MPLS-TE, L3VPN, L2VPN
Cisco optical products: NCS 2K, NCS 1K, NCS 4K, NCS 42xx
Cisco routing portfolio: ASR9K, NCS 5500
Other Vendor platforms: Tejas, ECI, Ciena, Cisco ASR, Huawei, Adva Eg-x
Network management systems: NMS/EMS, CLI, COSM, CONC, CONP, CTC, CTP
Technical support
Incident management
Network design
Team leadership
Certification
Cisco Certified Specialist - Service Provider Core
Declaration
I consider myself well acquainted with important Electronic engineering and customer communication aspects. I am sincere in all my endeavors and have a good co-ordination skill to work in a team. Dhanumjaya B
Timeline
Escalation Lead, SP Optical HTTS Team
Cisco Systems, Inc.
11.2021 - Current
Sr. Engineer
Ribbon Communications
04.2020 - 11.2021
SME for ECI Portfolio
Vodafone Idea Limited
07.2019 - 03.2020
Sr. Engineer
ECI Telecom India Pvt Ltd
04.2018 - 06.2019
Team Lead
TATA COMMUNICATIONS LTD
06.2014 - 03.2018
Service Delivery Executive
TATA COMMUNICATIONS LTD
09.2012 - 06.2014
Field Engineer and Network Engineer
TATA COMMUNICATIONS LTD
09.2011 - 09.2012
Bachelor of Science - Computer Science Engineering
JNTU Kakinada, Chirala Engineer College