SANJAY KUMAR
Senior Cloud Network & Infrastructure Engineer

Ahmedabad, Gujarat, India
Email: sanjayjakhar.jsr@gmail.com
Phone: +91-9530073091
LinkedIn: linkedin.com/in/sanjay-kumar-51b068a6
Portfolio: sanjayjakhar.tech
GitHub: github.com/sanjayjakhar33

========================================
PROFESSIONAL SUMMARY
========================================
Cloud Network & Infrastructure Engineer with 3+ years of experience designing and deploying enterprise infrastructure across Oracle Cloud Infrastructure (OCI), AWS, and on-premise datacenters. Specialized in hybrid cloud networking, VCN/VPC architecture, secure banking infrastructure deployments, disaster recovery architecture, and observability platforms. Hands-on experience deploying Core Banking Solution environments for banking clients, including secure networking, load balancing, monitoring, and hybrid connectivity.

========================================
KEY ACHIEVEMENTS
========================================
• Designed high-availability OCI and AWS infrastructure for Core Banking Solution workloads achieving 99.99% uptime SLA
• Led R&D migration from Graylog to Grafana + Loki + Promtail stack reducing log storage costs by 60% while improving query performance 10x
• Deployed Nagios monitoring across 100+ servers reducing MTTR by 45% through proactive alerting
• Implemented multi-region disaster recovery architecture with remote peering connections for critical banking services
• Automated deployment processes using Docker, Terraform, and Ansible reducing deployment time by 70%

========================================
TECHNICAL SKILLS
========================================
Cloud Platforms: Oracle Cloud Infrastructure (OCI), AWS
• OCI: VCN Architecture, DRG, Load Balancer, WAF, IPsec VPN, FastConnect, Multi-Region Architecture
• AWS: VPC Architecture, EC2, IAM, CloudWatch, VPN Gateway, Load Balancer

DevOps & Automation: Docker, Kubernetes, Terraform, Ansible, CI/CD Pipelines, Git, Jenkins

Networking: TCP/IP, VLAN, DNS, DHCP, NAT, Network Segmentation, Hybrid Connectivity, MikroTik, Cisco, Ubiquiti

Monitoring & Observability: Grafana, Loki, Promtail, Prometheus, Nagios, Alertmanager

Security: IAM, WAF, Fortinet Firewall, Sophos Firewall, PAM, Network Security Groups

Systems: Linux Administration (Oracle Linux, CentOS, RHEL), Bash Scripting, VMware, KVM, LVM, RAID, NFS

========================================
PROFESSIONAL EXPERIENCE
========================================

Senior Network Engineer – Cloud Team
Bankai Informatics Pvt. Ltd. | Oct 2023 – Present

• Architected multi-tier OCI VCN infrastructure with network segmentation improving security posture for banking workloads by 40% using NSG, DRG, and Service Gateways
• Deployed hybrid cloud connectivity using IPsec VPN and FastConnect enabling fault-tolerant communication between 15+ bank branches and cloud infrastructure
• Implemented OCI Load Balancers and Web Application Firewall protecting internet banking platforms serving 50,000+ daily users against web threats
• Designed multi-region disaster recovery architecture using remote peering connections achieving 99.99% availability SLA for critical banking services
• Led R&D initiative migrating from Graylog to Loki + Grafana + Promtail stack reducing log storage costs by 60% while improving query performance by 10x
• Deployed Nagios monitoring across 100+ application, database, and middleware servers reducing MTTR by 45% through proactive alerting
• Integrated Privileged Access Management and Active Directory authentication for secure administrative access meeting banking compliance requirements
• Configured automated backup orchestration using LVM and NFS storage ensuring RPO-aware data protection with 15-minute recovery points

Network Support Engineer
PHP Infosec Pvt Ltd | Nov 2022 – Oct 2023

• Configured MikroTik routers for ISP and enterprise environments implementing VPN, hotspot authentication, and bandwidth management for 20+ international clients
• Developed TR-069 automation solutions for remote CPE management reducing manual configuration effort by 80% and improving deployment speed
• Performed WAN/LAN troubleshooting and optimization for latency-sensitive services improving network performance by 35% and reducing packet loss
• Represented company as technical delegate at Convergence Expo 2022 Delhi showcasing networking solutions to 500+ industry professionals

========================================
EDUCATION
========================================
Bachelor of Technology – Computer Science & Engineering
Institute of Technology, GGV Bilaspur | 2020 | CGPA: 6.48/10

========================================
CERTIFICATIONS
========================================
• Oracle Cloud Infrastructure Architect Associate 2025
• Oracle Cloud Infrastructure AI Foundations Associate 2025
• Oracle Cloud Infrastructure Foundations Associate 2025
• Fortinet Certified Associate in Cybersecurity
• RHCSA Linux Administration Training
• Cisco CCNA Practical Training
• Microsoft & EY AI Skills Passport

========================================
PROJECTS
========================================

Docker Monitoring Stack
• Enterprise-grade observability platform for distributed container workloads with centralized logging and intelligent alerting
• Reduced log storage costs by 60% and improved query performance by 10x
• Tech Stack: Grafana, Loki, Promtail, Prometheus, Alertmanager, Docker
• GitHub: github.com/sanjayjakhar33/docker-monitoring-stack

OCI CostWatch
• FinOps visibility platform identifying cost optimization opportunities across banking cloud infrastructure
• Identified 35% cost reduction opportunities saving $50K+ annually
• Tech Stack: OCI APIs, Node.js, Cost Analytics, Budget Automation
• GitHub: github.com/sanjayjakhar33/OCI-CostWatch

========================================
ATS KEYWORDS
========================================
Cloud Architecture | OCI | AWS | Hybrid Cloud | Network Engineering | VCN | VPC | Load Balancer | Disaster Recovery | Kubernetes | Docker | Terraform | Linux | DevOps | CI/CD | Infrastructure as Code | Monitoring | Observability | Grafana | Security | Firewall | Banking Infrastructure | High Availability