Thomas Rawls📼 Email & Phone Number

San Francisco, California, Us

Atlanta, Ga, Us

Implement systems & applications to support over 200 employees in our malware research, threat intelligence, and incident response teams.- Managed the planning, acquisition, & deploy of infrastructure for a PoC malware sandbox cluster.- Automated the rebuild and installation of multiple MapR clusters using custom Chef cookbooks.- Redesigned AWS environment to improve network segmentation and peer with private cloud.- Automated monthly usage reports and user management for VirusTotal API.- Manage and deploy changes to Jira-based security event escalation tool.- Manage multiple Gitlab CI/CD environments to aid research and development teams.

Atlanta, Ga, Us

Linux systems administration of all 3000+ servers for production, test, & dev environments.- Lead engineer for a cross team project migrating 700+ servers & applications from RHEL 5 to 6.- Wrote and deployed a Ruby tool to parse AWS’s IP ranges for CloudFront IPs and deployed them into a file for Apache’s remote ip module.- Replaced NAT EC2 instances with AWS NAT Gateways to improve security and reduce costs.- Lead sys admin for the EMEA region while based in the United Kingdom (5/2014 - 11/2016).- Designed and wrote Chef cookbook to automate configuration for Apache Hadoop cluster nodes.- Wrote and deployed Ruby tools to automate system decommissioning processes.- Reduced infrastructure complexity and resource usage by consolidating and replacing older DNS, SSH, chat, and SVN systems across multiple sites.- Tested and deployed OSSEC to all servers in collaboration with the CISO team.- Collaborated with Net Eng to consolidate 2 datacenters in the UK into a new site.- Migrated 300+ existing VMs, and built more than 20 new servers & 15 new VM hypervisors for a 6 month long cross country data center relocation project.- Planned and executed the conversion of 600+ machines from LDAP auth to Microsoft AD.

Atlanta, Ga, Us

Linux and Windows systems administration of 1500+ servers and application deployment for all production security services that process more than 4 billion events per day.- Redesigned an IBM Websphere MQ cluster to expand from 2 to 6 nodes to support over 3000 remote client IPS devices.- Deployed a 50 node Apache Hadoop cluster in collaboration with development teams.- Led deployment of applications for conversion from Debian & FreeBSD to Red Hat Enterprise Linux for over 150 legacy application servers.- Built new core database systems and tested with DBA team to ensure required performance was met and growth capacity was available.

Atlanta, Ga, Us

Monitored & performed triage for all server, network, database, and application issues.- Created systems reports for compliance and performed patch management for more than 400 Red Hat & Debian Linux systems.- Inventoried data center to produce an authoritative list of all 700 physical servers, switches, routers, and out-of-band access devices.- Deployed semiweekly IPS ruleset updates to 2500+ IPS devices at customer sites.- Created, documented, and implemented procedures to improve NOC ticket & incident workflow.

Atlanta, Ga, Us

Analyzed and alerted on security events, maintained IPS & firewall devices for 2000+ customers, and monitored all internal systems, networks, and tools. Managed incident workflow for night shift team.- Analyzed two weeks of event data to determine ideal shift coverage and presented the results to SOC management team and executives.- Coordinated replacement of over 250 IPS devices for more than 150 customers.- Trained and managed 4 person SOC night shift team.

Atlanta, Georgia, Us

Investigated and solved all multiple customer & internal user issues for more than 5 million customers and over 2000 employees, including disaster and security incidents. Repaired routers, switches and circuits in over 50 sites for nationwide WAN, LAN, and remote access.- Team Lead and Acting Supervisor (11/2003 – 5/2004)- Reviewed 8 years of documentation to eliminate redundant and obsolete information.- Trained and mentored more than 20 operations personnel.- Helped night shift increase their ticket grades by 12% over a 4 month period.- Assisted in the rollout of Earthlink's Time Warner Cable project in 34 markets.- Worked with project management team to complete 4 line porting projects to backhaul multiple rate centers into regional SuperPOP sites- Support all dial-up & DSL access, and WAN communication circuits (PRI, DS1, DS3, OC3, OC12, and OC48)

Atlanta, Georgia, Us

Assisted Customers with DSL hardware & software installation. Troubleshot DSL issues with ILEC & CLEC engineers and line technicians.

Us

Provided 1st level support for the internal help desk. Supported Mcafee VirusScan, STSN high speed internet access, and Nivo MS Office certification testing software.