Sr. Systems & EPL Infrastructure Engineer - Copart - Dallas, TX
(2025-09)
Act as EPL technical subject matter expert: administer and continuously improve CI/CD pipelines using Jenkins and GitLab CI, ensuring highest levels of delivery reliability and system availability for enterprise platforms.
- Integrated SonarQube, Blackduck, and Checkmarx into CI/CD pipelines to enforce code quality gates, license compliance, and SAST/SCA security scanning at every build stage.
- Engineered and maintained Artifactory repositories for Maven, Docker, and npm artifacts; implemented retention policies and promoted artifact lifecycle management across dev, staging, and production environments.
- Drove SRE automation initiatives using Python and Ansible to reduce manual operational toil by 60%+, including automated alerting, self-healing runbooks, and infrastructure drift remediation.
- Designed monitoring, logging, and troubleshooting dashboards in Grafana and Datadog surfacing reliability and scalability metrics — enabling data-driven engineering decisions and proactive incident resolution.
- Managed infrastructure security posture including RBAC-aligned access, secrets management, TLS certificate rotation, IAM least-privilege access on GCP and AWS, and vulnerability remediation aligned with NIST standards.
- Led complex infrastructure upgrades and migrations: drove TrueNAS Core to SCALE HA migration with ZFS replication and CSI storage integration; applied OpenShift security best practices including RBAC, network policies, and image scanning.
- Reviewed and resolved moderately complex infrastructure and application issues; developed long-range remediation plans to prevent recurring incidents and improve MTTR.
- Partnered with security and networking teams on firewall configurations, proxy setups, and CVE whitelisting; authored detailed runbooks and operational guides for cross-team knowledge transfer.
- Applied strong project management skills within Agile ceremonies (sprint planning, retrospectives, backlog grooming) using Kanban boards to prioritize and deliver infrastructure work across a cross-functional team.
Sr. OpenShift / DevOps Platform Engineer - BNSF Railways - Fort Worth, TX
(2018-03 - 2025-09)
Designed, deployed, and managed Red Hat OpenShift 4.x clusters on bare metal and VMware, including node lifecycle, control plane operations, OpenShift Virtualization (KubeVirt) for VM workloads, CNI networking (OVN-Kubernetes), and CSI storage (Ceph, Portworx) — supporting a 99.9% uptime SLA for mission-critical enterprise workloads.
- Managed OpenShift control plane components, Operators, and OLM (Operator Lifecycle Manager) to extend platform capabilities, automate Day-2 operations, and streamline cluster upgrades.
- Led migration of legacy VMware and Nutanix virtualized workloads to OpenShift Virtualization (KubeVirt) and container-based architectures, working across multiple internal teams as part of a group effort to modernize the virtualization stack.
- Implemented Ansible Automation Platform (AAP) workflows to automate OpenShift node provisioning, configuration management, compliance enforcement, and patching across 500+ RHEL servers — reducing manual effort by 80% and accelerating cluster deployments.
- Configured and maintained CSI storage integrations (Ceph, Portworx) and physical infrastructure including iSCSI/NVMeOF storage protocols and node networking (physical bonding, LACP Mode 2) for high-availability bare metal clusters.
- Implemented and maintained OpenShift security best practices including RBAC, network policies, pod security standards, and image scanning across production clusters.
- Designed and maintained enterprise CI/CD pipelines using Jenkins and Tekton with GitOps workflows via ArgoCD, reducing average deployment cycle time by 40% and improving release reliability.
- Integrated Harness for deployment orchestration across multi-environment Kubernetes and OpenShift clusters, enabling progressive delivery with automated rollback capabilities.
- Built monitoring, logging, and troubleshooting capability using Prometheus, Grafana, and Datadog; drove data-driven insights for engineering and business stakeholders on infrastructure health and application performance.
- Architected highly available AWS infrastructure (EC2, EKS, S3, Lambda) for enterprise applications, delivering significant infrastructure cost savings; administered RDBMS environments (Oracle, MySQL, PostgreSQL) supporting enterprise applications.
- Applied strong project management and Agile/Kanban practices, mentoring a team of 8+ engineers and communicating risks, decisions, and delivery status to stakeholders and technical leadership.
DevOps Engineer - Charter Communications - Denver, CO
(2016-03 - 2018-03)
Designed and operationalized CI/CD solutions using Jenkins, Git, and Maven integrated with AWS CodeSuite, improving build reliability and deployment frequency across prod and non-prod environments.
- Installed and managed Artifactory repository for Maven artifact management, dependency storage, and binary lifecycle governance.
- Developed CloudFormation templates to automate VPC and infrastructure provisioning (EC2, S3, RDS, ELB, SQS); wrote Bash and Python scripts for automated server provisioning and application deployments.
- Monitored application performance and infrastructure health using Nagios, CloudWatch, and ELK; built real-time dashboards for visibility into system reliability and scalability metrics.
- Managed container-based deployments using Docker and Docker Compose; supported continuous integration across Linux environments by monitoring builds and maintaining pipeline configurations.
Linux Systems Engineer - American Medical Response - Modesto, CA
(2015-08 - 2016-03)
Administered and optimized RHEL-based systems across multiple environments; developed Puppet manifests for automated configuration management, reducing manual errors and improving deployment consistency.
- Managed VMware infrastructure including VM provisioning, resource allocation, and performance tuning — achieving a 20% increase in system efficiency.
- Implemented automated patch management and system updates, reducing maintenance downtime and improving overall system reliability and compliance.
Linux System Administrator - Indore Technologies - Hyderabad, India
(2013-03 - 2014-08)
Administered and optimized RHEL-based systems; investigated, debugged, and resolved software defects and infrastructure issues across Linux environments.