Summary
Overview
Work History
Education
Skills
Certification
Careerexpertise
Telecommunicationsprofessional
Proofofconcepts
Previous Experience
Timeline
Generic

KRISHNA KUMAR GATTUPALLI

Celina,USA

Summary

Highly analytical and forward-thinking professional armed with over 16+ years of highly successful experience in Network Architect, Network Security, Cloud Architect, Cloud computing, SDN, LTE, 5G, Azure, AWS, Cloud service Orchestration using Containers, Kubernetes, KVM, and OpenStack Hypervisors.
* Cloud-computing Architect with 6 years of experience in architecture, design, development, and testing of the Cloud Service Orchestration using Kubernetes, KVM, ESXi, and Open-stack hypervisors
* A solid understanding of Mobility wireless technologies (LTE, MEC and 5G) and related protocols
* Experience in Designing Virtual Network Function (VNF) Service Chaining in a Cloud Environment using Open
Stack Heat templates and Juniper Contrail Software Defined Network Controller (SDN
* Possessing excellent analytical skills with good knowledge in networking protocols like OSPF, BGP, MPLS, EIGRP,
VRRP,HSRP, IPSec, LACP, VXLAN, MPLSoverGRE, TACACS, RADIUS & 802.1X.
* Experience on DevOps tools/script such Python, ANSIBLE, Docker and Kubernetes.
* Experience in Building and configuring Kubernetes-based infrastructure, Metacore 5G CNFs.
* Experience in using RedHat/Mirantis Openstack versions that includes Kilo, Liberty and Mitaka.
* Hands on Experience with PNFs, VNFs & CNFs, from Cisco, Juniper, F5, Affirmed, Oracle, Metacore & Brocade
Network devices.
* Experience in AWS VPCs setup, AWS Wavelength, AWS Outpost, AZURE cloud and terraform template creation.
* Expertise in building Mobility PoCs for Mobile World Congress events.
* Hand on experience in integrating various NMS tools like Cisco LMS, Cisco works, manage engine netflow & HP
open view.
* Experience in network security & load balancing solutions and expertise in F5, SRX, and CheckPoint & Cisco
firewalls.
* Expertise in designing networks and giving solution for various complex network requirements.
* Excellent communication & interpersonal skills with proven abilities in resolving complex issues.

Overview

22
22
years of professional experience
1
1
Certification

Work History

Cloud Solution Architect

Elisa Polystar
07.2023 - 03.2024
  • Solution design for existing customers on advanced network monitoring for Cloud based LTE/VoLTE/5G Networks.
  • Facilitated comprehensive requirements gathering sessions with customers and stakeholders, creating unified documents and use case diagrams to ensure clear project objectives and effective planning.
  • Conducted review sessions to validate requirements, driving consensus, and obtaining official signoff from key stakeholders, ensuring accurate and complete project documentation.
  • Lead the development and execution of RFI/RFP responses, ensuring alignment with company objectives and client requirements.
  • Utilize AI/ML driven anomaly detection and agile service assurance analytics to prioritize network and service anomalies, ensuring optimal CEM (Customer Experience Management) across LTE / VoLTE (SIP) and 5G networks of the CSP`s.
  • Provided Cloud-native DataOps solutions integrating to Service assurance platform which give 360-degree overview of end-to-end network analysis.
  • Defined cloud architecture for both hybrid and non-hybrid cloud solutions.
  • Displayed sound understanding of standard networking protocols, virtual networks and load balancing.
  • Recommended design changes to production systems in response to changing business process, capacity, risks and performance requirements.
  • Represented Elisa Polystar at MWC (Mopbile World Congress) Las Vegas 2024 event and effectively communicating the value proposition and differentiators of the company's solutions.

AWS Solutions Architect

DISH NETWORK
01.2023 - 05.2023
  • Managing all the test environments on AWS with 5G Core / ORAN network functionTest Environments
  • Design the plan and manage the 5G Core NF`s AMF, SMF, UPF, PCF, NRF, UDM / ORAN IOT (Interoperability) testing platform with all the partners like Fujitsu, JMA, Samsung, Mavenir and Nokia
  • Collaborate with cross-functional teams, including AWS cloud team, Field Deployment team, PaaS team, Private Data Center team, technical SME's for various 5G project requirements
  • Worked with customers or prospective customers to develop integrated solutions and lead detailed architectural dialogues to facilitate delivery of comprehensive solution.

5G Systems Engineer

Glow Networks (CISCO)
05.2022 - 01.2023
  • Validation and Configuration of 5G Core SMF and UPF wrt to feature release and lab exit validations
  • Upgrades of SMF, UPF, CEE, SMI environments
  • Troubleshooting and RCA at Kubernetes POD level
  • Define configuration audit process of SMF/UPF for T-Mobile lab using Cisco NSO (network service orchestrator).
  • Designed tailored disaster recovery solutions to maintain uptime.
  • Conducted end-user reviews for modified and new systems.

Network Specialist

Tech Mahindra Americas
09.2015 - 05.2022

Designed and implemented multiple PoC for Telecom customers. AWS outpost solution with AWS/TechM partnership. Metaswitch 5G Metcore/Fusion core on Kubernetes container platform in TechM cloud and AWS. Automated deployment of Metacore 5G CNF and NFs on Kubernetes container platform. Hybrid cloud VoLTE use case with AWS Cloud, TechM Private Cloud, and TechM Edge cloud. Designed TechM in-house solution NetOps.ai to automate Openstack cloud, edge cloud, Network slicing, VNF automation, CI/CD life cycle, enabling telecom services, and OSS for Telecom LTE & 5G infrastructure. Developed Qwilt MEC CDN uses case with Cisco CUPS Core, Altiostar RAN, F5 FWs, and TechM OpenStack cloud. Participated in the Mobile World Congress events in LA, US, and Barcelona, Spain in 2018, 2019 to demonstrate above use cases to Telecom customers on behalf of TechM.

* Kubernetes network troubleshooting and validation to check that the Kubernetes network is created and serves the whole cluster. The service VIP and intermediary pods get IP addresses from the Kubernetes network across the cluster.

* Understanding the new technology / requirement, validating that in the AT&T test labs & demonstrating to customer. Writing the technical test documentation with procedures and caveats on the existing or the new solutions to the field engineers based on the results from internal testing or design changes validation.

  • Troubleshot and maintained networking devices and infrastructure across enterprise.
  • Installed firewalls and VPNs to increase and manage client network security.
  • Displayed sound understanding of standard networking protocols, virtual networks and load balancing.
  • Defined cloud architecture for both hybrid and non-hybrid cloud solutions.

Technical Consultant

Techmahindra Limited
04.2011 - 09.2015

Project Manager

Prithvi Information Solutions Ltd
05.2009 - 04.2011

Business Consultant

BARON ENTERPRISES
11.2007 - 04.2009

Deputy Manager

Reliance Communications Ltd
07.2004 - 10.2007

RF Consultant

UBC Services
08.2003 - 02.2004

RF Engineer

Aster Teleservices Pvt Ltd
06.2002 - 07.2003

Education

Bachelor of Technology- Electrical and Electronics Engineering -

Adichunchanagiri Institute of Technology, KUVEMPU UNIVERSITY
Chikmagalur, Karnataka
01.2001

Skills

  • Technical expertise with 20 years of experience in Telecommunications portfolio with hands on experience in GSM/CDMA/UMTS/LTE/VoLTE/VoWIFI/5G technologies
  • Proven ability to manage and deliver complex projects and make sound design decisions that meet the objective requirements through direct and cross-functional teams, vendors and partners
  • Good Understanding of 5G- SA Architecture, hands on experience with 5G Core NF`s like AMF, SMF, and UPF with N1, N2, N3 and N4 interfaces and Validation of 5G ORAN Interoperability Testing
  • Expert knowledge of 5G Core, key 5GC core components (AMF, SMF, UPF, UDM, AUSF, UDR, NRF, UDSF, NSSF
  • Working experience on LTE, VoLTE, WiFi, SS7 Protocols like S1AP, NAS, RRC, RLC, MAC, PDCP, GTP, UDP, SCTP, SIP & DIAMETER
  • Hands on Experience in deployment of Affirmed 5G Core on AWS platform with hybrid cloud architecture for Tech Mahindra AWS Re-Invent 2019
  • Hands on experience on design and implementation of 4G and 5G features in Tech Mahindra Lab using AWS, OpenStack for different Customer POCs using Cisco/Affirmed/Metacore/Altiostar/HPE and many other telecom product vendors for VNF certification
  • Experience with SBA, HTTP2, Diameter, Radius, GTP, SIGTRAN, SS7, NAS signaling & DNS
  • Proficient in VoIP protocols viz, SIP, diameter, SDP, RTP, H323, etc with strong working knowledge on IMS core architecture3GPP Signaling Procedures (Registration, Session Establishment, Authentication, Tracking area Update
  • Well familiar with REST usage, stateless architecture, micro-services, hosting application on virtualization platform with strong experience on how to deploy, migrate and scale application
  • Work with cross functional teams with multiple internal groups and network vendors to provide technical leadership regarding the 4G/5G system/call flow during planning, staging, first office operation, commercial deployment, and continued maintenance to fulfill complex business requirements
  • Good understanding and working experience on different platforms like OpenStack, AWS, AWS Out Post, Containers, Kubernetes
  • Solution Implementation
  • Virtualization Technologies
  • Automation scripting
  • Load Balancing

Certification

AWS Certified Solutions Architect Associate, 5XCBSDBKH1VQQ3W4

Careerexpertise

  • LTE, VoLTE, 5G, E911
  • 5G ORAN IOT Testing
  • 5G Platform Engineering - Design and Deployment
  • Life Cycle Management
  • Defect Management
  • Network Management
  • SDN/NFV, Open stack
  • 5G CUPS/ NSA/SA
  • Terraform (IaaC)
  • Public Cloud (AWS,Azure)
  • Root Cause Analysis

Telecommunicationsprofessional

RLC, MAC, RRC, NAS, DIAMETER, PFCP, GTP, UDP, PMIP, IP, SCTP, X2AP, S1AP, SIP, SDP, RTCP, IMS, Platform Testing, Node & Integration Testing, Feature & Functional Testing, Resiliency Testing, Geo Redundancy Testing, ORAN - Conformance / Interoperability / E2E Testing

Proofofconcepts

  • AWS Re-Invent 2019 - Las Vegas, To demonstrate E2E 5G CUPS Network architecture running on AWS public cloud infrastructure integrated with Tech Mahindra netops.ai Automation and hybrid orchestration solution
  • Iaac - Facebook Project, Designed & Developed the three-tier architecture script using Terraform and successfully deployed on AWS

Previous Experience

  • Technical Consultant, 04/2011, 09/2015, Techmahindra Limited, INDIA, ERICSSON, NSN-US, Cellular, TELUS-Canada, Vodafone-India and VodafoneUK, Myanmar-Telecom (MPT)
  • Project Manager, 05/2009, 04/2011, Prithvi Information Solutions Ltd, INDIA, Huawei, Aircel, Reliance Communications Ltd
  • Business Consultant, 11/2007, 04/2009, BARON ENTERPRISES, KENYA, ECONET, Safaricom
  • Deputy Manager, 07/2004, 10/2007, Reliance Communications Ltd, INDIA
  • RF Consultant, 08/2003, 02/2004, UBC Services, NIGERIA, Intercellular, Nitel
  • RF Engineer, 06/2002, 07/2003, Aster Teleservices Pvt Ltd, INDIA, Reliance Infocomm

Timeline

Cloud Solution Architect

Elisa Polystar
07.2023 - 03.2024

AWS Solutions Architect

DISH NETWORK
01.2023 - 05.2023

5G Systems Engineer

Glow Networks (CISCO)
05.2022 - 01.2023

Network Specialist

Tech Mahindra Americas
09.2015 - 05.2022

Technical Consultant

Techmahindra Limited
04.2011 - 09.2015

Project Manager

Prithvi Information Solutions Ltd
05.2009 - 04.2011

Business Consultant

BARON ENTERPRISES
11.2007 - 04.2009

Deputy Manager

Reliance Communications Ltd
07.2004 - 10.2007

RF Consultant

UBC Services
08.2003 - 02.2004

RF Engineer

Aster Teleservices Pvt Ltd
06.2002 - 07.2003

Bachelor of Technology- Electrical and Electronics Engineering -

Adichunchanagiri Institute of Technology, KUVEMPU UNIVERSITY
AWS Certified Solutions Architect Associate, 5XCBSDBKH1VQQ3W4
KRISHNA KUMAR GATTUPALLI