Jun 2019 – Oct 2024 · 5 yrs 4 mos · San Diego, California, United States

• As a Platform Engineer, I provided architectural guidance and best practices, collaborating closely with customers to understand their business needs and deliver tailored developer portals along with AWS solutions. I developed and maintained Infrastructure-as-Code (IaC) scripts and implemented GitOps-based deployments, enhancing developer productivity and reducing time-to-market by 20%. These automation strategies also enabled efficient scaling, resulting in a 30% reduction in monthly cloud costs. Additionally, I designed and implemented proof-of-concept projects, prototypes, and solution blueprints to address customer challenges while conducting technical workshops and training sessions for seamless handoffs to customers and internal teams.
• I led cloud architecture initiatives, designing and implementing scalable, secure, and cost-effective AWS infrastructures aligned with well-architected frameworks. By leveraging DevOps principles and automation, I streamlined deployments and improved operational efficiency. My expertise in managing complex cloud environments included conducting gap analyses to identify process improvements, developing innovative POCs, and ensuring compliance and security through robust IAM, logging, and monitoring strategies. I worked closely with cross-functional teams to optimize cloud operations, influence product roadmaps based on customer feedback, and drive innovation through the latest cloud technologies.

Nov 2017 – Dec 2018 · 1 yr 1 mo · Greater San Diego Area

• Successfully migrated and managed complex customer workloads to AWS, leveraging automation and infrastructure as code (IaC) for efficient provisioning and management. Proficient in designing and implementing robust AWS environments including VPC, networking, security, and serverless architectures. Demonstrated expertise in integrating third-party security solutions and automating infrastructure deployment using Ansible and Terraform.
• Contributed to the development and deployment of cloud-native applications, including a Kubernetes proof-of-concept. Possessing a strong foundation in DevOps practices, CI/CD pipelines, and agile methodologies. Collaborated closely with security teams to ensure system compliance and mitigate risks.

Mar 2015 – Nov 2017 · 2 yrs 8 mos · Greater San Diego Area

• Responsible for validating new hosts and managing GTM/LTM configurations for backend and frontend VIPs. Handled ACL requests to ensure seamless server communication across various environments and infrastructure components, utilizing tools such as NetGenie, ACL Automation, ServiceNow, and QuickBase. Other duties included installing, configuring, and deploying build components like Chef-Client, Tomcat, Java, Node, Nginx, Splunk, NewRelic, and Wily, using Chef-Solo/Chef-Server bootstrapping mechanisms to maintain application deployments. I managed version control with Git and GitHub for Chef repositories and used Rundeck and Capistrano to deploy scripts for configuration changes and auditing. I also employed Terraform, Chef, and Packer to set up AWS resources including VPCs, subnets, EC2 instances, and more, and conducted a proof of concept for Docker services on Docker Swarm, Docker Datacenter, Rancher, GitLab-CI, and Jenkins Swarm.

Aug 2014 – Feb 2015 · 6 mos · Greater San Diego Area

• Installed, configured, and maintained RHEL 5.x/6.x and Windows 2008 R2/2012 servers as part of an ecosystem isolation project. I provisioned Big Data nodes (Cassandra/Gluster), bare metal servers, and virtual machines for various purposes including databases, applications, and web services. Created Opsware implementation records for PXE boot processes, automated server provisioning, and set up VAS tools for AD authentication on Linux platforms. My duties included ensuring network communication, troubleshooting hardware issues with HP and Dell servers, and performing post-provisioning modifications and validation tests to maintain server consistency. Additionally, I built VMs using Redhat Cloud Forms, supported server preparation for seasonal readiness, and developed scripts to automate processes. I documented changes, conducted server audits, and provided on-call support to ensure system reliability and compliance.

Mar 2014 – Jul 2014 · 4 mos · Washington D.C. Metro Area

• Installed, configured, and maintained servers running on SLES 9.x, 10.x, 11.x, RHEL 5.x, 6.x, and Windows 2003/2008, providing 1st and 2nd level support for infrastructure and applications on Linux and VMware platforms. My responsibilities included overnight support for production changes, OS patches, and upgrades, along with comprehensive troubleshooting and problem resolution. I prepared provisioned servers for database and application purposes, modified kernel parameters, created kickstart file specifications, managed storage and network tickets, and handled server backups and patch scheduling via SUSE Manager. I also deployed scripts and installed software using HP Server Automation and participated in a 24/7 on-call rotation. Additionally, I successfully tested Puppet Enterprise, wrote automation scripts, provisioned and supported VMs via VMware vSphere, managed user privileges in Centrify Active Directory, configured SUDO access, and performed performance monitoring and reporting to senior management.

Sep 2013 – Feb 2014 · 5 mos · Dallas/Fort Worth Area

• Managed the installation, configuration, and administration of Red Hat Linux 5.x and Solaris 10 operating systems, providing comprehensive problem resolution for system hardware, software, and OS issues. I developed and implemented automation tools and scripts using Shell, Ruby, and Perl for performance monitoring and system management tasks such as user account creation and file system size monitoring. Additionally, I configured SUDO, granted root permissions, collaborated with DBAs on Oracle and RDBMS database installations, and handled networking issues, DNS changes, and firewall requests.
• My responsibilities also included using Logical Volume Manager for disk management, automating OS installations with kickstart, troubleshooting hardware and software failures, and monitoring system performance with various tools. I also managed changes, upgrades, and security procedures for the UNIX client infrastructure, and wrote Shell scripts to automate administrative tasks.

Aug 2013 – May 2019 · 5 yrs 9 mos · Irving, Texas

Jun 2013 – Aug 2013 · 2 mos · Dallas/Fort Worth Area

• Configured HP Chassis C7000, including Onboard Administrators, Procurves, and Flex 10 Interconnects, and mounted HP P2000 Storage to compute nodes for client site testing. Installed OS images (Linux - CentOS) on blades, enabled network interfaces via CLI, and set up P2000 storage with ISCSI and Multipath on data nodes. Ensured SSH access and password-less authentication from collector nodes, configured authentication parameters per client requirements, and adhered to corporate MOPs, contributing to process improvements. Additionally, I monitored and troubleshooted Hadoop processes, took hardware snapshots for secure storage, tested integration with the communications team to ensure data flow, and handed over equipment to the shipping department.

Jan 2013 – May 2013 · 4 mos · Dallas/Fort Worth Area

• Remediating servers running on Solaris 8, 9, and 10, focusing on patch management planning and installation. Provided day-to-day support for server administration, maintenance, and upgrades for RedHat Linux and Solaris, addressing hardware issues in coordination with vendors, performing security controls, fine-tuning, kernel debugging, process scheduling, and managing disk and file system I/O and TCP/IP communications. I scheduled outages by contacting clients, ran sanity checks on server configurations, and verified system readiness before proceeding with patches or upgrades. My role also involved troubleshooting server issues, mirroring volumes with VxVM on Solaris, creating scripts for service management, coordinating with security teams for upgrades, and ensuring seamless handoffs with clients and offshore teams. Provided Tier III support, investigated and resolved issues, identified hardware/software failures, communicated with impacted parties, and performed periodic performance reporting for capacity planning.

May 2012 – Jul 2013 · 1 yr 2 mos · Irving, Texas

May 2012 – Dec 2012 · 7 mos · Dallas/Fort Worth Area

• Responsible for the installation, configuration, and administration of RHEL 4.0, 5.0, and 6.0 systems. My duties included creating and managing user accounts and SUDO access, diagnosing and correcting boot failures, and scripting tasks such as error log analysis and disk space monitoring using Bash. I troubleshooted hardware, software, and OS errors, and collaborated with DBAs to configure file systems and user accounts for Oracle databases. Generated status reports using Oracle SQL queries and Bash scripts, managed application performance, and conducted daily system health checks and security monitoring. Additionally, I planned and set up disaster recovery servers, followed organizational procedures for change control and application configuration. Worked with hardware vendors for issue resolution, documented data migration steps, and performed kernel tuning for Oracle installations, using tools like YUM for package management.

Oct 2011 – Apr 2012 · 6 mos · Greater San Diego Area

• Installed and post-provisioned RHEL 4.x, 5.x, 6.x, and Windows 2003/2008 servers on HP and Dell hardware using HP Server Automation Client to ensure seasonal readiness. Configured database servers (both single-node and multi-node clusters) and application servers, preparing them for Oracle, MySQL, Informatica, Tidal, and SAS installations. Set up VAS tools for AD authentication, monitoring tools like Spectrum and Cacti, and wrote custom shell scripts for task automation. My responsibilities included installing and configuring Apache, Tomcat, and Java, supporting Oracle RAC and MySQL installations, and performing performance monitoring with Sar, Iostat, VMstat, and MPstat, while logging data to Cacti/Spectrum for alerts. Managed change and HD tickets with Remedy, configured NetApp storage and NFS filesystems, handled firewalls and iptables, and set up SNMP for monitoring. Additionally, I enabled log rotation, developed startup/shutdown scripts, and processed requests for ACLs, load balancers, and business needs using Quick Base.

Jul 2010 – Apr 2012 · 1 yr 9 mos · Irving, Texas

Jul 2010 – Jul 2011 · 1 yr · Dayton, Ohio Area

• Administered and maintained RHEL 4.x/5.x/6.x, CentOS, and Fedora systems, troubleshooting hardware, OS, application, and network performance issues. Managed hardware racking and RAID configuration for various Dell servers and set up Oracle VM Server for creating and maintaining database and application virtual machines via Oracle VM Manager. My tasks included installing required RPMs, modifying and installing scripts, configuring directories, user permissions, services, and network protocols like NFS, NIS, and SAMBA. Deployed patches, performed kernel tuning, and set up network printers. I also handled hardware issues by creating tickets with Dell for CPU, IO errors, and part replacements, and worked with Oracle to troubleshoot and maintain virtual machines and improve performance. Additionally, I upgraded Oracle VM Manager and virtual server hosts to newer versions to ensure optimal performance and functionality.