Devops

Led infrastructure and security design, improving overall platform reliability and security. Planned and executed cloud-driven projects in AWS and GCP environments. Developed and delivered high-level cloud infrastructure designs, including Solution Architecture Documents (SAD). Conducted comprehensive assessments of cloud infrastructure, focusing on security, performance, and cost optimization. Led a team of four Cloud Engineers, providing technical leadership, guidance, support, and mentorship. Planned and orchestrated migrations from on-premises to the cloud and between cloud platforms (AWS and GCP). Engaged in customer-facing interactions, providing technical expertise and solutions architecture consultation. Led technical discovery sessions to identify customer requirements and align cloud solutions with business objectives.

Optimized High-Frequency Crypto Exchange: Provisioned and maintained low-latency, high-throughput trading system using KDB/Q to process large volumes of real-time data, ensuring millisecond response times critical for financial transactions. Enhanced System Resiliency and Performance: Implemented robust monitoring and alerting frameworks tailored for financial systems, ensuring proactive detection and resolution of system anomalies, latency spikes, or trading halts. Utilized KDB analytics to gain insights into system performance, which led to a 25% reduction in incident response times. Automated Deployment and Scalability of KDB Environments: Spearheaded the automation of KDB clusters' deployment and scaling processes, which supported high-scale data ingestion and processing. Leveraged infrastructure-as-code tools like Terraform and Ansible, achieving a 40% reduction in manual configuration errors and accelerating the deployment process by 30%. Ensured Compliance and Security of Financial Data: Developed and enforced strict configuration management and access control policies for KDB. Implemented auditing processes that track system changes, ensuring compliance with financial regulations and reducing the risk of data breaches, thereby enhancing the overall security posture of the platform.

Provided Level 3 production support using PagerDuty, DataDog, and Zabbix. Implemented and maintained monitoring and alerting systems to ensure high availability and performance of cloud services. Developed and managed incident response processes, including post-mortem analysis and continuous improvement practices. Automated operational tasks to enhance efficiency and reduce manual intervention. Conducted capacity planning and performance tuning to optimize system resource utilization and ensure reliability. Designed and enforced Service Level Objectives (SLOs) and Service Level Agreements (SLAs) to align with business requirements.

Migrated legacy on-premises systems to AWS environments, ensuring seamless transitions and minimal disruption. Designed and implemented CI/CD pipelines using TeamCity and Jenkins CI to streamline development and deployment processes. Automated release management workflows to enhance efficiency and reduce the potential for manual errors. Configured and managed infrastructure as code (IaC) using tools such as AWS CloudFormation or Terraform to ensure consistent and reproducible environments.

Integrated monitoring and logging solutions within the AWS ecosystem to ensure application performance and operational visibility. Implemented and maintained security best practices in AWS environments, including identity and access management (IAM) and encryption. Optimized cloud resources for cost efficiency and performance by leveraging AWS native tools and services. Developed Infrastructure as Code, and CI/CD pipelines, and maintained CoreOS clusters for eCommerce platforms.

Designed, built, and maintained CI/CD pipelines for large-scale eCommerce platforms, ensuring robust and efficient software delivery. Implemented and enforced DevOps best practices across development and operations teams to enhance deployment speed and reliability. Automated end-to-end deployment processes, including build, test, and release phases, to streamline operations and reduce manual intervention. Integrated and managed version control systems, build servers, and artifact repositories to support continuous integration and deployment. Developed and maintained infrastructure as code (IaC) using tools like Terraform or AWS CloudFormation for consistent environment provisioning and management.

Supported SMS billing platforms written in Java and C# and performed a root-cause analysis of production system outages. Implemented monitoring and logging solutions to provide real-time visibility into application performance, system health, and deployment status. Collaborated with cross-functional teams to design and execute scalable and resilient cloud infrastructure solutions tailored to enterprise needs. Ensured adherence to security best practices, including secure code practices, vulnerability management, and compliance with industry regulations. Conducted performance tuning and optimization of CI/CD pipelines to improve build and deployment efficiency.

Provided L1/L2 24x7 support, monitored and fixed issues in production environments. Participated in incident response and post-mortem analysis for deployment-related issues, implementing lessons learned to improve future processes. Coordinated with IT and development teams to manage and troubleshoot complex deployment issues, ensuring minimal impact on business operations.