Devops Engineer Systems
Resume:
Sandeep Jamalpur Kasinath Email: *********.******@*****.***
Phone: 484-***-****
Cloud/DevOps Engineer
SUMMARY
I have had 9+ years of experience in the IT industry, I have worked as a Cloud DevOps Engineer, Site Reliability Engineer/DevOps Engineer, Systems Engineer, AWS DevOps Engineer, and VMware Engineer, primarily within Linux, Unix, and Windows environments. I specialize in delivering solutions to complex issues using virtualization, integration, configuration management tools, and cloud infrastructures (On-Premises, Private Cloud, and Public Cloud). My expertise includes server provisioning, configuration, monitoring, and disaster recovery, ensuring high availability and efficiency across systems.
Managed source code repositories (Git, GitLab, Bitbucket) and implemented branching strategies to enable parallel development and effective code reviews.
Extensive AWS experience, working with EC2, S3, VPC, ELB, IAM, CloudWatch, Elastic Beanstalk, Security Groups, ECS, Lambda, Kinesis, CodeCommit, CodePipeline, CodeDeploy, DynamoDB, and Auto Scaling.
Built Infrastructure as a Service (IaaS) private cloud using OpenStack and managed microservices deployments with Kubernetes, Docker, and etcd in production environments.
Implemented disaster recovery (DR) strategies, including replication, backup automation, and failover mechanisms, ensuring high availability of mission-critical applications.
Developed PowerShell scripts for automating routine tasks, increasing operational efficiency by 25%.
Optimized cloud application performance by collaborating with development teams, improving compute efficiency and cost-effectiveness.
Hands-on experience with Ansible and Ansible Tower, automating configuration management, infrastructure provisioning, application deployments, and security hardening.
Containerized applications using Docker, created and managed Kubernetes clusters, deployed applications across multi-node environments, and optimized container resource utilization.
Converted Terraform modules with version conflicts into CloudFormation templates, ensuring seamless AWS infrastructure provisioning and updates.
Created and managed custom Linux AMIs, leveraging virtual images for rapid environment setup.
Managed Linux-based servers (RHEL, Fedora, CentOS, Ubuntu, Debian), handling Apache, DNS, MySQL, FTP, and email services (Postfix, Sendmail, Mailman).
Developed Ansible playbooks for automated provisioning of EC2 instances, infrastructure orchestration, and security policy enforcement.
Experience in build and deployment automation using Maven, ANT, Shell, Ruby, and Python scripts, integrating CI/CD pipelines with Jenkins, OpenShift, and GitLab CI.
Configured and managed RAID storage solutions, file system creation/mounting, and backup strategies.
Implemented and secured Apache, Nginx, DHCP, NFS, LDAP, SAMBA, and Squid proxy servers.
Used AWS-CLI for Lambda function management, dynamically suspending/resuming Kinesis stream processing.
Managed OpenShift environments, deploying and maintaining Kubernetes clusters and Docker containers at scale.
Automated routine account maintenance (DNS updates, HTTPD changes, Mailman list management) in Linux environments.
Maintained change logs and documentation in Confluence, communicating updates and enhancements across teams.
Enhanced Jenkins pipelines and OpenShift templates, improving CI/CD automation for multi-environment deployments.
24x7 On-Call Production Support, troubleshooting WebLogic application servers, interacting with development/testing teams to resolve critical issues.
Expert in virtualization and monitoring tools, including VMware, Zimbra Postfix Server, FreeNAS, LTSP Server, and Nagios Monitoring.
Configured and secured Git, Apache, Nginx, OpenSSH, and Gerrit source code review systems, ensuring seamless DevOps workflows.
EDUCATION
Bachelor’s in computer science from Jawaharlal Nehru Technological University – 2012
Master’s in computer information science from Bellevue University- 2017
TECHNICAL SKILLS
Operating Systems
RHEL/CentOS 5.x/6.x/7, Linux-Ubuntu/Fedora, Windows 7/8/XP/10, AWS-Linux CLI
Networking
VPC, Route-53, LDAP, DNS, FTP, DHCP, SSH
Cloud Technologies
AWS (EC2, VPC, S3, Cloud Watch, RDS, Elasticache, IAM, Cloud Formation) &, OpenShift.
Databases
MySQL, MongoDB, Cassandra, PostgreSQL, SQL Server
Source Control
GIT, SVN, Bitbucket
Configuration Management
Ansible, Puppet, Chef
Virtualization/ Containerization
VMWARE, VSPHERE 5.5/6.0, VCENTER, Docker, Pivotal Cloud Foundry, Vagrant
Web/Application Server
IIS, Tomcat, Apache, Jboss, WebSphere Application Server, Web Logic
Build/Deploy/Automation Tools
ANT, Maven, Gradle, Jenkins, Bamboo, TeamCity, TFS, Perl, Python, Shell, bash, Groovy
Software Methodologies
Agile-SCRUM, Waterfall
Bug tracking/Monitoring
JIRA, Confluence, Rally, Remedy, HP Quality Center, Bugzilla, Splunk, Nagios
PROFESSIONAL EXPERIENCE
Client: CVS – Dallas, TX (Remote) Sept 2022- Present
Role: Cloud DevOps Engineer
Designed and deployed highly available and scalable cloud architectures on AWS and Azure for enterprise applications.
Automated CI/CD pipelines using Azure DevOps, GitHub Actions, and Jenkins, reducing deployment time and operational overhead.
Developed and managed Terraform and Terragrunt scripts for Infrastructure as Code (IaC), automating cloud provisioning and configuration.
Deployed and optimized Kubernetes clusters (EKS, AKS) to enhance microservices architecture performance and scalability.
Migrated legacy applications from on-premises to AWS Cloud, ensuring minimal downtime and improved efficiency.
Integrated AWS Lambda, API Gateway, and EventBridge to build event-driven and serverless architectures.
Implemented containerized workloads using Docker, Kubernetes, and Helm charts to improve deployment flexibility and scalability.
Applied DevSecOps best practices by embedding security scanning tools within CI/CD pipelines, ensuring compliance and threat mitigation.
Configured monitoring and logging solutions using AWS CloudWatch, Prometheus, Grafana, ELK Stack, and Datadog for real-time observability.
Implemented RBAC, IAM policies, security groups, and Azure AD for secure access management and compliance.
Designed centralized logging and audit trails using AWS CloudTrail, Azure Monitor, and Splunk, ensuring regulatory compliance.
Led security best practices implementation, including encryption, key management, and threat detection across multi-cloud environments.
Optimized cloud networking with VPC design, subnets, security groups, peering, and hybrid cloud connectivity.
Designed auto-scaling solutions using AWS Auto Scaling, Azure Scale Sets, and load balancers for high availability.
Implemented disaster recovery (DR) and high-availability (HA) architectures, minimizing downtime risks for mission-critical applications.
Developed Python and PowerShell scripts to automate cloud operations, backups, and maintenance tasks.
Automated database backups, replication, and failover strategies for AWS RDS and DynamoDB.
Implemented cost optimization strategies, leveraging AWS Savings Plans, Reserved Instances, and cost analysis tools.
Designed performance testing strategies to optimize application response times and system reliability.
Ensured multi-cloud interoperability, integrating solutions across AWS, Azure, and GCP.
Designed and maintained secure, scalable API integrations with third-party services using AWS API Gateway.
Worked with AWS messaging services (SQS, SNS, Kinesis) to support real-time data streaming applications.
Integrated payment processing systems, ensuring PCI-DSS compliance and security best practices.
Provided on-call production support, proactively analyzing and resolving cloud and application incidents.
Led cross-functional collaboration between DevOps, development, security, and networking teams to improve cloud performance.
Assisted with deployment activities and production issue resolution, ensuring business continuity.
Committed to continuous learning, process improvement, and adopting emerging technologies in Cloud & DevOps.
Developed runbooks for operational tasks, ensuring efficient and standardized incident response handling.
Client: Charles Schwab, Austin, TX. Nov 2020 – Aug 2022
Role: DevOps Engineer/SRE Engineer
Developed applications following Agile/Scrum methodology, collaborating with cross-functional teams for efficient software delivery.
Designed and implemented CI/CD pipelines using Harness, Bamboo, and Jenkins, automating deployments and rollback plans for 12+ services.
Migrated all services to a new Data Center using CI/CD pipelines, ensuring minimal downtime and improved performance.
Configured and managed monitoring dashboards and alerts using Splunk and AppDynamics, improving incident response time.
Led Cloud PCF migration from Java-based applications, optimizing performance and scalability.
Hands-on experience with email services such as Mailman and Postfix, including installation and maintenance on Red Hat Linux.
Implemented Blue-Green deployments and Load Balancer configurations, ensuring zero-downtime releases.
Established 24/7 monitoring solutions, actively participating in daily market open calls to ensure system stability.
Diagnosed and resolved critical production issues, conducting root cause analysis (RCA) to improve system reliability.
Configured XMatters for critical alerting, participated in on-call support, and handled after-hours operations as required.
Provided Tier-3 incident support for applications, assisting internal teams in troubleshooting complex issues.
Collaborated with developers to automate software builds, testing, and deployments, enhancing CI/CD efficiency.
Trained and mentored junior DevOps and system engineers, sharing best practices in cloud automation and CI/CD.
Conducted 2X, 4X, and 7X load stress tests on high-impact applications, improving system scalability.
Automated application health checks and configured alerts for failed Harness deployments and certification checks.
Managed and executed weekly deployments, troubleshooting issues in real-time to minimize business impact.
Built and optimized CI/CD pipelines for Java-based applications, enhancing deployment speed and reliability.
Installed, configured, and maintained Jenkins for continuous integration (CI) and end-to-end automation of build and deployment processes.
Developed full CI/CD pipelines to ensure seamless software lifecycle automation, from commit to production deployment.
Wrote Groovy scripts to enhance Jenkins automation, enabling conditional steps, parallel builds, and artifact promotion strategies.
Integrated Groovy with APIs to fetch and update deployment metadata dynamically during pipeline execution.
Debugged and optimized Groovy scripts, improving performance and reliability of automation processes.
Extended Jenkins shared libraries with Groovy, optimizing enterprise-level CI/CD pipeline workflows.
Automated code validation processes by integrating Groovy scripts with SonarQube, ensuring code quality and security compliance.
Enhanced DevOps observability by integrating Groovy scripting with Dynatrace and Splunk, improving deployment monitoring.
Managed Postfix MTA, Apache, Tomcat, CVS, and printers in production environments, ensuring seamless operations.
Expertise in Artifactory and Sonatype Nexus Repository Managers for Maven build artifact management.
Client: US Bank, Charlotte NC. Dec 2019 – Oct 2020
Role: System Engineer
Led the migration of Foreign Exchange (FX) trading platform to a modern straight-through-processing architecture, ensuring improved customer service and system reliability.
Transformed monolithic FX applications into a microservices architecture, exposing shared services through APIs and enabling DevOps automation.
Executed end-to-end software development and testing in an Agile environment, ensuring efficient and high-quality releases.
Partnered with technical and business stakeholders to refine product vision, estimate and design solutions, and implement scalable cloud architectures.
Built AWS automation frameworks using Terraform and CloudFormation, designing architecture for networking, security, WAF, encryption, and auditing.
Migrated on-premise infrastructure to AWS, utilizing AWS DMS, AWS SMS, and third-party tools, supporting Linux, Windows, and multiple databases (Oracle, MySQL, PostgreSQL, MariaDB).
Designed and implemented CI/CD pipelines to optimize development and testing cycles, ensuring timely feature releases and fixes.
Architected DevOps pipelines leveraging AWS services (CodePipeline, CodeBuild, ECS) and non-AWS tools (Jenkins, GitHub Actions, Harness).
Automated AWS resource provisioning (EC2, S3, EKS) using Jenkins pipelines written in Groovy, improving deployment speed and reliability.
Developed Groovy scripts to dynamically manage AWS CloudFormation Templates (CFT) within CI/CD workflows.
Integrated Groovy with AWS SDKs to fetch and update metadata for IAM roles, Lambda functions, and S3 buckets, streamlining resource management.
Wrote Groovy scripts to trigger AWS SNS notifications and query CloudWatch metrics, improving system monitoring and alerting.
Built Groovy-based automation for AWS S3 bucket policies, ensuring compliance with security standards.
Provided end-to-end customer solutions, handling migrations from on-premises to AWS, capacity planning, and performance analysis to optimize reserved instance purchases and minimize platform costs.
Developed and managed cloud VMs using AWS EC2 CLI and management console, ensuring scalable and efficient cloud operations.
Implemented AWS Route 53 to route traffic between multiple regions, enhancing high availability and failover capabilities.
Configured CloudWatch alarms and notifications for proactive monitoring of EC2 instances, improving system reliability and response time.
Client: The Vanguard Group, Pennsylvania May 2019 – Dec 2019
Role: AWS DevOps Engineer
Designed and implemented AWS cloud solutions using EC2, S3, RDS, CloudFormation (JSON templates), EBS, ELB, and Auto Scaling Groups, optimizing infrastructure for scalability and resilience.
Developed and managed cloud VMs using AWS EC2 CLI and AWS Management Console, ensuring efficient deployment and maintenance.
Configured AWS Route 53 for multi-region traffic routing and set up CloudWatch alarms and notifications to enhance system monitoring.
Built and automated CI/CD pipelines using Jenkins, Docker, and Ansible, reducing deployment time and improving system reliability.
Integrated SonarQube into CI/CD pipelines for static and dynamic code analysis, ensuring high-quality and secure code deployments.
Implemented centralized logging and analytics using ELK Stack (Elasticsearch, Logstash, Kibana), enabling efficient log storage in S3 via AWS Lambda functions.
Monitored application performance using AppDynamics (for Java, .NET, PHP applications) and NewRelic for SQL performance tracking.
Provisioned and maintained DevOps automation tools, including deployment scripts, provisioning tools, and staged virtual environments using Docker and Vagrant.
Managed Nexus and Maven repositories for artifact downloads and wrote Ansible playbooks to automate provisioning and server configurations.
Leveraged Ansible Tower for centralized automation management, implementing role-based access control for improved security.
Containerized and orchestrated Microservices using Docker & Amazon ECS, deploying scalable environments on EC2 instances.
Created Docker Compose files (YAML) for deploying MEAN stack applications in development and production environments.
Built Docker images and managed Docker Volumes, integrating with Kubernetes for automated container orchestration.
Used Terraform to manage AWS infrastructure, including automated EC2 provisioning, CloudWatch alerts, and security configurations.
Developed Python & Bash scripts with Boto3, supplementing automation for EBS encryption and AWS Lambda scheduling.
Integrated AWS Secrets Manager into CI/CD pipelines, improving deployment efficiency by 40% and automating secret management.
Conducted security audits and compliance checks, achieving 100% adherence to industry security standards and internal policies.
Developed IAM policies and roles for granular access control, improving security governance by 50%.
Automated Java application deployments on Apache Tomcat and Nginx, optimizing performance and reducing downtime.
Scheduled and executed process audits, continuously optimizing workflows to improve deployment turnaround time.
Implemented GitLab CI/CD and Jenkins for full end-to-end automation, enhancing build, deployment, and release management.
Worked with OpenShift for managing Kubernetes clusters, ensuring seamless container orchestration and scalability.
Client: Symplr – Houston, TX Mar 2017 – Apr 2019
Role: DevOps Engineer
Designed and deployed AWS cloud solutions leveraging EC2, Route53, S3, RDS, DynamoDB, SNS, SQS, IAM, with a focus on high availability, fault tolerance, and auto-scaling using AWS CloudFormation.
Developed and automated cloud storage solutions using EBS, S3, Glacier, and implemented automated data syncs to Glacier for cost-efficient backups.
Created AWS CloudFormation templates for provisioning custom-sized VPCs, subnets, NAT gateways, security groups, and IAM roles, optimizing infrastructure deployments.
Configured and secured AWS IAM policies for granular access control, ensuring secure authentication and role-based access for cloud resources.
Designed and deployed AWS networking components, including VPC, subnets, network security groups (NSG), and route tables, improving system connectivity and security.
Implemented CI/CD pipelines using Jenkins, Bamboo, and AWS CodeDeploy, enabling automated builds, testing, and deployments.
Integrated Bamboo with Bitbucket, Ant, and AWS S3, streamlining artifact management and continuous delivery.
Developed Terraform templates and Chef Cookbooks to automate the provisioning of EC2 instances, improving deployment consistency.
Leveraged AWS OpsWorks and CloudFormation JSON scripts to configure and deploy AWS infrastructure and applications at scale.
Managed Git version control system, including branching, tagging, merging, and resolving conflicts to maintain efficient code versioning.
Implemented Docker-based CI/CD pipelines using Jenkins and Docker Swarm, reducing deployment downtime and improving container orchestration.
Worked extensively with Docker Engine, Hub, Compose, and Registry, managing and optimizing multi-container deployments in staging and production environments.
Automated deployment of microservices using Ansible, integrating private Docker registry images into Docker Swarm clusters.
Implemented Blue-Green deployments and rolling updates in Docker Swarm, ensuring zero downtime application releases.
Set up AppDynamics for application performance monitoring, handling user management, application tuning, and system optimization.
Created EBS snapshots and restored EBS volumes, migrating applications efficiently while ensuring data persistence and security.
Designed and implemented monitoring and logging solutions using CloudWatch, ELK Stack (Elasticsearch, Logstash, Kibana), and AppDynamics to improve system observability.
Optimized AWS cost management by implementing auto-scaling policies, reserved instances, and rightsizing EC2 workloads.
Developed and deployed automated backup and disaster recovery solutions, ensuring high availability and data protection in AWS environments.
Collaborated with cross-functional teams, including developers, QA, and security engineers, to optimize CI/CD workflows, cloud security, and system performance.
Client: Locuz Enterprise Solutions Ltd – Hyderabad, India Aug 2013 – Feb 2015
Role: Systems/VMWare Engineer
Installed, upgraded, and configured Red Hat Linux (RHEL) versions 3.x to 7.x using Kickstart servers and interactive installations, optimizing system provisioning.
Expertise in Linux package management with Red Hat RPM and YUM, ensuring efficient installation, updates, and security patching across distributed environments.
Configured and managed various Linux servers, including FTP, NFS, Samba, Sendmail, Apache HTTP, WebLogic, and AutoFS, enhancing infrastructure reliability.
Implemented and maintained SELinux security policies, setting granular permissions for files and directories to meet security and compliance requirements.
Managed automated system backups, cron jobs, system logging, and network logging, optimizing server performance and availability.
Configured and maintained WebLogic (8.x) with JDBC, JNMS, JNMI, SNMP, and J2EE services, deploying applications (WAR, JAR, EAR) in clustered and domain environments.
Administered WebLogic Server 8.x, including installation, configuration, performance tuning, and troubleshooting for high-availability applications.
Worked extensively with Enterprise Integration technologies, including MuleSoft, Apache Camel, JBoss Fuse, and Fuse Fabric8, streamlining data integration workflows.
Installed, configured, and maintained WebSphere, WebLogic, Apache HTTP, and Tomcat application servers on Linux and UNIX platforms.
Performed system performance tuning, security hardening, backup/recovery, and patch management using Crontab and automation scripts.
Installed and managed VMware vSphere ESXi 6.5 environments, evaluating and implementing new hardware and software solutions to enhance virtualization efficiency.
Configured VMware SRM (Site Recovery Manager) and troubleshot performance issues for high-availability and disaster recovery setups.
Provisioned, maintained, and optimized VMware virtual machines, including CPU/memory allocation, disk provisioning, snapshot management, and VM cloning.
Assigned LUNs to ESX/ESXi hosts, created datastores, and managed virtual machine resources, ensuring efficient virtualization performance and storage allocation.
Automated provisioning and maintenance of virtual environments, enhancing scalability and reducing operational overhead.
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