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Work Background
MetaSr. Production Operations Engineer
Nov. 2023Worked as part of a team managing a globally distributed server fleet of over 12 million servers across multiple data centers. Analyzed complex technical issues, including automated tooling, hardware failures, and network problems.
Utilized data-driven decision-making to identify root causes, develop effective solutions, and implement process improvements, ensuring optimal system performance, reliability, and efficiency at scale.
Developed and implemented automated action plans to streamline repair processes, reducing server downtime and improving system availability.
Served as the first point of contact for break-fix technicians, assisting with projects, repairs, and retrofits.
Debugged hardware and Linux OS issues, and contributed to process improvements and best practices in data center operations.
Mentored junior team members, providing guidance and support to help them develop their technical skills and confidence, while fostering a collaborative and knowledge-sharing environment.
Participated in on-call rotation to maximize server fleet up-time and utilization rates.
Palo Alto NetworksSr. Systems Administrator
Nov. 2017 - Dec. 2023Plano, Texas• Implementation and management of Lab Automation utilizing Spirent Velocity platform.
• Automation script development using PowerCLI/Powershell scripting, based on user requirements.
• Build and maintain a VMware ESXi environment using clusters, resource pools and shared storage.
• Training and assisting users with lab systems, tools and processes.
• Assisting users with building and provisioning virtual machine guests in Windows, Linux.
• Monitoring and maintaining lab network to ensure reliable operation
• Designing and implementing tools to mitigate network outages.
• Creating dashboards and tools to monitor server and network environments.
• Updating and patching systems to maintain a secure operating environment.
• Implement LDAP/Active Directory for user authentication to lab services.
• Implementing Network Management platforms such as Nagios, Cacti, and Rancid.
• Enable remote access to lab services for end users via SSL VPN and RDP/VNC/View Client.
• Maintaining and deploying network testing tools, such as TCP Replay, IXIA, and Spirent.
• Maintain and write Ansible playbooks for deploying and managing testbeds.
AllstateDevOps Engineer
Jul. 2017 - Nov. 2017Irving, TX• Serve as the key contact for assigned applications. Stay current with all application upgrades and enhancements. • Work with technical teams to resolve issues, install and test upgrades and customizations.
• Coordinate with departments to provide application training/education, and documentation
• Work with the business units to learn their processes and how they are applied within the supported application.
• Monitor assigned systems and applications performance to maintain agreed to performance metrics. Take proactive steps to improve performance when necessary. Escalate issues to management.
• Participate in technical on-call services as needed.
FNR Solutions IncTechnical Support Engineer
May. 2017 - Jul. 2017Richardson, TXRole: Technical Support Engineer - Managed Services Responsibilities included: Effectively and efficiently resolve technical issues reported by customers that may involve any of server side and client workstation side or network troubleshooting. Assist with VMware to AWS Migrations Follow company procedures for handling technical support and work requests and documenting problem resolution and customer specific information in a timely manner Participate in setup, configuration, maintenance, and troubleshooting of customer's server systems, workstation systems, TCP/IP networks, data backup systems, email server accounts, firewalls etc. Interface with vendors of client software and technologies to resolve issues on behalf of customer
CiscoSystems/Data Center Administrator
Apr. 2014 - Apr. 2017San Francisco Bay AreaRole: Systems Administration and Data Center Support (ACI QA) Responsibilities included: • Deploying and Provisioning New Virtual/Bare-metal Servers using PXE Boot/Kickstart Profiles and Post-install scripts written in Perl/Python Languages • Setup and Manage Cisco ACI Fabrics for the Lab Management Network. Including Creation of Tenants, BD’s, EPG’s etc. • Coordinate with Management and Solutions Architects to determine best practices and build out solutions to integrate and test with Cisco ACI • Bring up ACI Fabric including the APIC Cluster, Leaf and Spine Switches and integrate them with different Cisco and Non Cisco Products • Setup and Configure/Optimize Red Hat Satellite and Kickstart Servers for Red Hat Enterprise Linux 5/6 installs and RHN Push Updates to minimize manual efforts • Installing and updating packages using YUM (custom YUM Servers/repositories), Red Hat Satellite Server. • Work with different VMware products and advanced features of vCenter such as vMotion, Storage vMotion, High Availability (HA), Fault Tolerance (FT), and Distributed Resource Scheduler (DRS). • Occasionally help with Platform testing of Nexus 9K switches and also help with Basic Configurations of Nexus 9K/7K/5K and 3K Switches • Troubleshoot L1/L2 issues in the Lab Network and assist Cisco IT in identifying and fixing any other Lab Network issues • Purchase Cisco and Non-Cisco Equipment for QA/Dev Groups and Manage the hardware/software inventories as well as the Licenses • Build out and Manage the Windows/VMware Virtual and Cloud Infrastructures and Integrate them with Cisco ACI • Document Procedures, Create Topologies using Visio and Create/Maintain spreadsheets of Access details and IP Management • Train new employees on how to bring up the ACI fabric and Basic configurations of Tenants/BDs/EPGs/VMM Networking and OOB Management configurations of Leaf/Spine Switches
ViaSat Inc.Linux/VMware Administrator
Oct. 2012 - Mar. 2014Greater San Diego AreaRole: Provide Technical Support, build out and Maintain three new server farms that included over thousand Virtual/Physical VMware, Linux and Windows Servers Responsibilities Included: • Install and configure several hundred Red Hat Enterprise Linux 5/6, Windows Server 2003/2008 Servers in both Physical Blade and VMware ESXi Virtual Environment. • Lead a team of Four System Admins in Cloning and Replicating a server farm using the Acronis Backup and Recovery Software • Setup and Configure/Optimize Red Hat Satellite and Kickstart Servers for Red Hat Enterprise Linux 5/6 installs and RHN Push Updates to minimize manual efforts • Installing and updating packages using YUM (custom YUM Servers/repositories), Red Hat Satellite Server. • Participating in support of Red Hat Enterprise Linux and Middleware JAVA applications, provided technical support to users at remote Data Centers. • Provide Tier 3 support for ESXi servers running on HP ProLiant BL460’s, DL360’s and DL380’s • Configure Linux multipath and Linux device mapper to configure multipathed LUNs from HP 3Par Storage. • Installation and Configuration of ESXi 5.1/5.5 Hosts, vCenter Server, vCenter update manager and administering VM’s across multiple datacenter’s. • Create any specific LVM’s for middleware developers as well as Database teams. • Configuring and Administering NFS, DNS, NIS, NIS+ and LDAP on RHEL server environment. • Upgraded the VMware tools, VM hardware 8 on all the VM's as a part of Upgrade process.
Juniper NetworksSystems Administrator
Mar. 2012 - Aug. 2012San Francisco Bay AreaRole: Provide L2 Support to the Development Team Responsibilities Included: • Maintain and deploy High End applications developed in Java using Weblogic/Tomcat Application Server. • Provide support to the Java development team to help develop Java based applications. • Install and configure RICCI agents to deploy RHCS and manage the entire cluster environment utilizing LUCI and clustat. • Troubleshoot, engage in incident calls, and define RCA’s as part of the tier 2/3 support team. • Installation, Configuration and Administration of VMware ESXi 5.0 / Virtual Center 5.0, vCenter Servers. • Assessment, design and Implementation on the vSphere Upgrade, 200+ ESXi hosts upgraded from VMware ESX 5.0 to ESXi 51. • Part of the implementation team that configured and deployed new patches, upgrades, bug fixes on both physical and virtual windows servers. • Create and maintain ACL’s to allow only specific LAN computers to use squid, as well as utilizing access.log to test squid proxy. • Design and implement mechanisms for handing on-off technical issues to other technical teams for resolution. • Write and Deploy bash scripts using crontab to perform daily backups, audit collection, and push new changes out to manage and maintain consistency across Redhat Enterprise Linux servers. • Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using Satellite Server • Building VM's and new Templates for new Projects and allocating them to appropriate Resource pools. • Review and remediate software distribution failures and to eliminate the problems that causes those failures.
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