Dwarkanath Yadav
IBM
Dallas,USA
1
Certification
16
years of professional experience
Senior infrastructure and cloud professional with over 10 years of hands-on support experience in enterprise networking, cloud operations, and customer-facing troubleshooting. Expertise in resolving complex incidents related to security, connectivity, routing, DNS, VPN, and monitoring across leading platforms such as AWS, Azure, GCP, and VMware. Proven proficiency in incident response and root-cause analysis, with effective communication skills to translate technical challenges into actionable remediation plans that enhance operational stability in hybrid environments. A strong track record of addressing intricate issues involving routing, DNS, VPN, authentication, packet loss, throughput, latency, and hybrid connectivity ensures a reliable IT infrastructure.
Work History
Senior IT Support Engineer
11 Months- Provided expert-level support to enterprise clients during high-stakes cloud and network incidents, accelerating resolution times and minimizing production downtime across Azure, AWS, and hybrid environments.
- Served as a Subject Matter Expert (SME) for Azure VPN, VNETs, ExpressRoute, Azure Firewall, Route Server, and hybrid connectivity, while also supporting AWS VPC, VPN, Direct Connect, Transit Gateway, and Network Firewall.
- Led deep TCP/IP troubleshooting, analyzing packet flow, retransmissions, MTU/fragmentation, asymmetric routing, and firewall conflicts using Wireshark, TCPDUMP, iPerf, MTR, and Network Watcher.
- Conducted comprehensive network performance investigations using Azure Network Watcher, AWS VPC Flow Logs, CloudWatch Metrics, and Log Analytics to diagnose latency, packet loss, throughput degradation, and routing anomalies.
- Collaborated with engineering, network operations, and third-party carriers to resolve complex issues across virtual networks, VPN tunnels, ExpressRoute circuits, Direct Connect links, and multi-cloud routing paths.
- Delivered high-quality support for strategic Microsoft customers under Azure Rapid Response (ARR), maintaining exemplary case hygiene and SLA adherence.
- Mentored peers, led troubleshooting workshops, and provided actionable feedback to product teams to improve platform reliability.
- Authored technical bulletins, runbooks, and troubleshooting guides to standardize support workflows and reduce MTTR.
Senior IT Support Engineer
3 Years 1 Month- Strengthened infrastructure visibility and troubleshooting across AWS, Azure, GCP, and VMware by improving monitoring, alerting, and incident workflows.
- Led critical incident response for routing, DNS, VPN, authentication, and hybrid connectivity issues in a high-pressure enterprise environment.
- Built log analytics dashboards to accelerate RCA and reduce time-to-resolution for recurring network issues.
- Automated provisioning and operational tasks using Terraform and Python.
- Partnered with cross-functional teams on migration readiness, post-cutover validation, and remediation of complex networking issues.
- Performed deep packet-level diagnostics using Wireshark and TCPDUMP to isolate TCP retransmissions, MTU mismatches, and asymmetric routing paths.
- Troubleshot complex multi-cloud routing issues involving BGP, NAT, firewall rules, and DNS propagation delays.
Senior Cloud Consultant
1 Year 11 Months- Engineered reusable Terraform modules and standardized IaC patterns across Azure, AWS, and GCP.
- Designed secure cloud networking foundations aligned with Zero Trust principles.
- Developed CI/CD controls for validation, security scanning, and automated releases.
- Streamlined cloud deployments using Terraform and Python.
- Troubleshot enterprise network issues involving VPC/VNET routing, IPSec VPN tunnels, ExpressRoute/Direct Connect circuits, and firewall misconfigurations.
- Conducted end-to-end TCP/IP flow analysis to resolve latency, packet loss, and throughput degradation across multi-region workloads.
Freelance Senior Cloud Consultant
2 Months- Delivered cloud consulting focused on secure connectivity, automation, and modernization across AWS, Azure, and VMware.
- Designed automated provisioning workflows using Terraform and CloudFormation.
- Diagnosed routing, DNS, and VPN failures across hybrid cloud environments using MTR, iPerf, and packet captures.
- Resolved complex connectivity issues involving NAT traversal, subnet overlap, and misaligned security policies.
Senior Cloud Administrator / DevOps Engineer
7 Months- Managed AWS, Azure, and GCP infrastructure with a focus on networking and operational stability.
- Integrated Terraform with Azure DevOps and Jenkins to automate release processes.
- Troubleshot TCP/IP, DNS, and load-balancing issues using packet captures and flow logs.
- Resolved cross-region connectivity issues involving VPC peering, VPN tunnels, and firewall ACL conflicts.
Senior IT Operations Analyst / Cloud Infrastructure Engineer
1 Year 9 Months- Supported cloud modernization projects across AWS, Azure, and GCP.
- Improved operational reliability through TCP/IP, LAN/WAN, routing, and hybrid connectivity support.
- Diagnosed network outages involving BGP route flaps, DNS failures, and VPN tunnel instability.
- Performed packet-level analysis to resolve latency spikes, retransmissions, and firewall conflicts impacting trading systems.
Telecommunications Analyst
6 Months- Supported telecommunications systems for Capital Markets, ensuring uninterrupted trading support.
- Troubleshot network congestion, packet loss, and routing anomalies affecting market data delivery.
- Analyzed TCP/IP flow behavior to resolve latency and jitter issues impacting real-time trading applications.
Technical Support Engineer
6 Months- Delivered direct technical support for network and infrastructure issues, improving first-call resolution by 20%.
- Troubleshot DNS failures, routing loops, and VPN connectivity problems.
- Performed TCP/IP diagnostics to resolve VoIP quality issues, packet loss, and NAT traversal problems.
System Engineer
2 Years 9 Months- Led engineering and maintenance of enterprise infrastructure systems across servers, storage, and networking.
- Troubleshot LAN/WAN routing issues, VLAN misconfigurations, and firewall ACL conflicts.
- Conducted packet-level diagnostics to resolve throughput bottlenecks and intermittent connectivity failures.
Control System Intern
10 Months- Supported automation and control system projects for industrial clients.
- Diagnosed network communication failures between PLCs, SCADA systems, and field devices.
- Troubleshot TCP/IP and serial communication issues impacting automation workflows.
Education
Master’s Degree - Electrical & Computer Engineering
Bachelor’s Degree - Electronics Engineering
Skills
Cloud Platforms: Microsoft Azure
Amazon Web Services (AWS)
Google Cloud Platform (GCP)
IBM SoftLayer
Networking Protocols: TCP/IP
DNS
FTP
HTTP/S
SSL/TLS
IPSec VPN
BGP
Azure Networking: VNET
VPN Gateway
ExpressRoute
Virtual WAN
Route Server
Network Watcher
AWS Networking: VPC
VPN
Direct Connect
Elastic Load Balancers
Route 53
Transit Gateway
AWS Network Firewall
Troubleshooting Tools: Ping
Traceroute
MTR
iPerf
Wireshark
TCPDUMP
dig
cURL
Log Analytics
VPC Flow Logs
Operating Systems: Linux (Ubuntu
RHEL)
Windows Server & Desktop OS
Scripting & Automation: Shell
Python
JSON
Terraform
Azure DevOps
Jenkins
CI/CD
Monitoring & Alerting Tools: Splunk
Grafana
Dynatrace
Log.io
New Relic
Icinga
PagerDuty etc
Certification
- Microsoft Certified: Azure Solutions Architect Expert
- Microsoft Certified: Azure Administrator Associate
- Microsoft Certified: Azure Security Engineer Associate
- AWS Certified Solutions Architect – Associate
- Google Cloud Fundamentals
- Google Cloud Generative AI Fundamentals
- Cisco CCNA
- ITIL v4
- Lean Six Sigma Green Belt
- Cisco MPLS Implementation Engineer
Languages
English
Full Professional
Hindi
Native or Bilingual
French
Limited Working
Timeline
Senior IT Support Engineer
IBM
07.2025 - CurrentRead More
Senior IT Support Engineer
Morgan Stanley
06.2022 - 07.2025Read More
Senior Cloud Consultant
BNP Paribas
07.2020 - 06.2022Read More
Freelance Senior Cloud Consultant
National Bank / RealFX
04.2020 - 06.2020Read More
Senior Cloud Administrator / DevOps Engineer
OneSpan
09.2019 - 04.2020Read More
Senior IT Operations Analyst / Cloud Infrastructure Engineer
RBC Royal Bank of Canada
12.2017 - 09.2019Read More
Telecommunications Analyst
RBC Canada
06.2017 - 12.2017Read More
Technical Support Engineer
Atelka Telecom
10.2016 - 04.2017Read More
System Engineer
Elcome Integrated Systems Pvt. Ltd
11.2011 - 08.2014Read More
Control System Intern
Siemens India Ltd
05.2010 - 03.2011Read More
Mumbai University
Bachelor’s Degree from Electronics Engineering
Read More
Concordia University
Master’s Degree from Electrical & Computer Engineering
Read More