Phani Krishna Hari

Led the adoption of AWS Cloud WAN to interconnect multiple regions and accounts, improving global network reliability and reducing operational overhead by centralizing routing policies and security controls
Designed and deployed Route 53 Profiles across multiple AWS accounts to manage DNS at scale, accelerating application onboarding while improving governance and minimizing configuration drift
Established a private certificate authority using AWS PCA and integrated with ACM for automated certificate lifecycle management, increasing security posture and eliminating manual certificate renewals
Built and scaled high-performing cloud engineering teams across architecture, networking, and automation disciplines
rchitected and automated an AWS account vending solution, reducing account provisioning time from days to minutes by leveraging Control Tower, Service Catalog, and custom automation workflows
Designed a distributed ingress architecture leveraging AWS networking services, CloudFront, and global DNS routing to enable highly available, low-latency access for global applications.
Developed a centralized egress pattern for multi-account AWS environments, consolidating outbound internet access through next-generation firewalls and egress VPCs to enforce compliance and security policies consistently

• Designed modernization of store systems and deployed in cloud via serverless services
• Collaborated in designing complex store systems such as - Payments , InventoryManagement , Back office ordering.
• Designed network solutions for hand held devices at stores
• Support end to end RIS2.0 rollout
• Designed & Lead store systems modernization from an infra stand point
• Designed AWS real time analysis to event logs, transactions via services such as OpenSearch, kinesis analytics , IoT
• Managed Cloud budgeting & cost optimization efforts
• Built a site reliability engineering group providing enhanced observability, developed enablement , resiliency automation & incident analysis.

• Accountable for ensuring high-availability of products(Encompass etc) which have 80% stake in home loan originations
• Architecture review with engineering to ensure resiliency of applications in AWS & DataCenter
• Cloud cost optimization - Saved closed to 450K in cloud cost
• Mentoring & grooming teams on-shore & off-shore

• Architecting applications and setting up highly resilient application
• Modernization of POS & store systems
• Rolling out 15k store in North America modernized application in a planned and resilient fashion

• Automating deployments
• Contributing to open source products
• Building resources in cloud via CFT/Terraform

• Architecting & implementing secure networks
• Proficiency in setting up & configuring Cisco ASA firewalls; Checkpoints ; Palo altos

• Automating & deploying applications in AWS cloud

• Installing & Configuring Routers, L2 & L3 Switches according to the high level design (HLD) given by technical consultant.
• Creating redistribution points between routing protocols.
• Upgrading IOS for routers and switches.
• Providing/building incident & network performance reports to the client/management.

• Managing and troubleshooting LAN, WAN.
• Configuring VLANs and packet filtering.
• Taking regular backups of network devices.