Sergio Ramirez Email & Phone Number

Los Gatos, Ca, Us

Developed modular formulas/playbooks/scripts and applied to thousands of workstations and servers using SaltStack, Ansible, Python.Developed custom integrations between apps using Python and REST APIs.Assumed a lead role in multiple projects with Software and Systems Engineering groups within Netflix.Provided expertise on Ceph deployments.

Foster City, California, Us

Provisioned and maintained several Ceph deployments serving CephFS, RadosGW(S3 Compatible API).Deployed and maintained several NAS solutions, published performance metrics, failure tested several vendor and open source solutions including Ceph, QNAP, FreeNAS, Quobyte and NetApp.Designed and deployed Elastic Stack (Kibana, Logstash, Elasticsearch) infrastructure using Ansible and Docker.Improved visibility into system and service performance metrics using Graphite, Grafana, Prometheus and Elastic Stack.Deprecated previous Nagios deployment and deployed Zabbix monitoring infrastructure with integrations for Slack and PagerDuty.Developed modular roles and formulas using Ansible and SaltStack for many of the technologies above and applied to thousands of machines.Reduced overall alert fatigue for several teams by drastically reducing the number of false-positives across several thousand checks.

San Mateo, California, Us

Automated software patching, globally, for 1st party game studios, greatly reducing software vulnerabilities.Proposed and implemented a hybrid cloud solution, enabling the use of AWS internally, in addition to our on-sitedata center.Researched emerging technologies to implement such as Software Defined Storage (Ceph, Microsoft S2D,VMWare VSAN).Advised on hardware purchases and proposed multiple solutions to refresh an existing virtual environment.Set-up POC for GPU accelerated VMs via XenDesktop and VMWare Horizon.

San Mateo, California, Us

Supported a game development studio with NetApp, Hitachi HNAS/BlueArc, VMWare, Xen, KVM, HP Comware, OpenStack, Ceph, Jenkins, GFI Languard, WSUS, Kickstart/PXE/WDS and Puppet. Provisioned a Gitlab and Puppet Environment, then migrated 300+ servers from Puppet Enterprise 3.x to Puppet CE 4. Automated deployment of new CentOS 7 Ceph nodes and gateways using PXE and Kickstart, then handing off to Puppet for additional configuration. Automated deployment and management of Kubuntu Workstations for Motion Capture stages using Puppet. Automated deployment of Windows Server 2012 R2 nodes using WDS and WAIK, then handing configuration off to Puppet. Worked with multiple sites to solve org-wide issues, share techniques and collaborate on deployments. Implemented DDN WOS Object Storage appliance with vendor support, for cross site file collaboration. Supported a team of Sysadmins and Helpdesk in an extremely aggressive vulnerability remediation operative. Proposed solutions for storage bottlenecks by researching new technology.

Burbank, California, Us

Daily Tasks included mentoring junior level employees, monitoring backups and hardware, researching new technology, providing suggestions to improve procedures and workflow.Hardware management included multiple SAN environments (TerraBlock, MetaSan, SanMP), 10GBe Extreme Networks Switches, SourceFire, Juniper, Extreme Networks WiFi, QLogic Fiber Switches, Gefen IP KVMs, Supermicro chassis, Areca RAID Controllers, all varieties of Apple products.Software and Networking management included VLANs, inter-VLAN security, Firewall and NAT Configuration, 802.11 security, Public and Internal DNS, CentOS and RHEL, IIS and Apache, Content Filtering, Active Directory, SharePoint, MSSQL 2008, Hyper-V, MDaemon, Final Cut Pro, AVID, Pro Tools, ScheduALL.Designed network infrastructure and configuration for new facility, began and completed a ground-up installation of Nagios - monitoring all servers, RAIDs, motherboard components, environment, server and network performance. Composed Bash automation scripts and modified Python scripts.

Woodland Hills, Ca, Us

Daily tasks included vendor contract reviews and negotiations, documentation, end user training, research and software testing, and coordinating with web developers. Hardware Management included Dell and HP Servers, Dell Storage, Force10 Switches, SonicWall, Netgear, and Crestron Systems.Software Management included MSSQL, SharePoint, Exchange 2007, Active Directory, Group Policy, Sugar CRM, CentOS, Nagios, and WebSense.

Beverly Hills, Ca, Us

Daily tasks included working within a team for bandwidth analysis, writing outage reports for senior executives, code deployments, and issue investigations and escalations in a large Microsoft Environment.Software Management included MSSQL Enterprise, IIS, Windows Server 2008, Gomez, Nagios, Splunk, Zenoss, and SharePoint.