About Me
Summary
Passionate full-stack developer focused on building scalable, performant, and user-centered web applications with modern technologies and clean design principles.
Technical Skills
● Cloud: AWS: EC2, S3, VPC, ELB, EBS, EFS, IAM, Route53, Autoscale, Cloudwatch, CloudFormation, Elasticsearch...
● Virtualization: VMware 6.5, ESXi, XEN, KVM, VirtualBox...
● Package management: Installation, patching, compilation using rpm/yum
● OS: Linux RHEL/CentOS/Ubuntu, Microsoft Windows
● Automation: Kickstart, Ansible, Bash, Python (beginner)
● Servers: Apache, Nginx, DNS, FTP, DHCP, NFS, MySQL, MariaDB, LDAP, SMTP, SSH, HTTP
● Monitoring tools: Nagios, Centreon, Kibana, Grafana
● Security: AWS IAM, NACLs, SG; LDAP; AD; SELinux; Firewalld; Keycloak, Keeper
● Disk management: LVM, RAID, SAN, NAS
● DevOps: CI/CD pipeline - Jenkins, Maven, Selenium, GitHub, Ansible, AWS CloudFormation, AWS CodePipeline
● Ticketing tools: Nagios, Jira, ServiceNow, PagerDuty
● Troubleshooting: ping, top, df, du, lsof, dmesg, netstat, ss, ssh, free, traceroute, fsck, dracut, xfs_repair, curl, sar...
Experience
Code Fish, Des Plaines IL
DevOps Consultant | 01/2024 – Present
- DevOps coaching: Linux/RHEL, AWS, Terraform, Ansible, Docker, Kubernetes, Jenkins, GitHub Actions.
- Configured webhooks integrating AWS Lambda (Node.js), API Gateway, and Slack.
- Implemented full-stack development using HTML, CSS, JS, LAMP, and MEAN stacks.
- Deployed three-tier architecture on AWS using Terraform, Kubernetes, and GitHub repositories.
Reveal Data, Chicago IL
Site Reliability Engineer | 11/2021 – 02/2023
- Built CI/CD pipelines using GitHub Actions, Spacelift, Kubernetes, Argo CD, Helm, Terraform, Ansible improving deployment frequency by 20%.
- Containerized applications using Docker and deployed via Helm charts in Kubernetes environments.
- Managed production incidents using PagerDuty and provided 24/7 on-call support (more than 100 hours volunteered).
- Maintained 99.8% uptime using Zabbix monitoring and proactive alert resolution.
- Collaborated with Dev and Security teams for deployments ensuring 99.9% uptime and compliance.
- Mentored junior engineers improving team efficiency by 20%.
Axon / Sundance International, Greater Chicago Area IL
Linux Systems Engineer | 06/2015 – 10/2021
- Managed 800 physical and 3000+ virtual Linux servers (RHEL/CentOS).
- Installed and maintained LAMP stack using PXE boot, Kickstart, YUM, and RPM.
- Resolved 1000+ incidents related to DNS, DHCP, FTP, SFTP, LDAP, SSH, and networking.
- Improved system performance and reduced downtime by 25% through troubleshooting and optimization.
- Built AWS infrastructure including EC2, S3, VPC, Route53, and security components.
- Participated in 100+ on-call shifts resolving critical incidents in production environments.