John Simpson

John Simpson

Associate Unix Administrator

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location of John SimpsonNaples, Florida, United States

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  • Timeline

  • About me

    System Engineer

  • Education

    • Lorenzo Walker Institute of Technology

      2011 - 2011
      COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES
  • Experience

    • ASG Software Solutions

      Jan 2013 - Aug 2016
      Associate Unix Administrator

      Responsible for the DevOps environment including physical and virtual implementations of AIX, AS/400, SuSE, RedHat, CentOS, Ubuntu, HP-UX, and Solaris.Audited and maintained users via WebMin, configured NIS and NFS.Documented systems, procedures, and solutions in a wiki.Analyzed log files to troubleshoot server, network, and application errors.I audited VMs and rescued 1.2TB of space, configured activity monitoring via PRTG.Performed root cause analysts with Dev and QA.Handled automated and manual backup solutions, including git, vSphere DataStores, and a rotation of offsite tapes.Promoted into the position knowing little about Linux, but quickly obtained a Linux+ certification to augment my inexperience. Show less

    • InMotion Hosting

      Nov 2016 - Oct 2018

      Oversaw 3 employees over 2 locations nationwide. Involved with performance management, coaching and training for new staff, and handled escalations.Handled procurement and budgeting for the department.Wrote documentation including training support, test plans, and contract deliverablesDeployed, managed and troubleshot IT assets consisting of Windows, Unix, and Linux servers and workstations, as well as applications such as Asterisk FreePBX, Active Directory, DNS.Configured Icinga and Nagios monitoring nodes and endpoints. Assigned and audited the life cycle of troubleshooting and project tickets. Communicated potential issues to Tier 3, Security, and Support management.Ensured Group Policy Objects and server hardening adhered to approved standards.Troubleshot and resolved Linux systems issues, user management, and RPM or APT updates.Handled configuration and change canagement of the network and operational environment. Show less

      • Corporate Support Supervisor

        Nov 2016 - Oct 2018
      • Project Manager

        Nov 2016 - Oct 2018
    • Lockheed Martin

      Dec 2018 - Dec 2020

      Supported the Testbeds & Simulations, Flight Software, and Power Antenna lines of business.Developed Ansible playbooks to make various configuration changes and perform patches, maintenance, and installations for 150+ workstations and 30+ servers.Rewrote the automation process for installation and config of RedHawk realtime OS servers.Eliminated thousands of known risks in a company wide CVE burn down.Guided TB&S in a migration to the cloud, replacing development on most of their workstations and significantly improved software pipeline speed. Show less

      • Multi Function System Analyst

        Dec 2018 - Dec 2020
      • Project Manager

        Dec 2018 - Dec 2020
    • Raytheon Technologies

      Jan 2021 - Apr 2022

      Maintained a large spreadsheet detailing how GPS OCX meets DoD STIG requirements.Coordinated with DoD and product SMEs for automation updates to satisfy STIGs. Provided support to the Platform Automation and Information Assurance teams for GPS OCX.Provided primary support to the Oracle suite team to automate change and configuration.Synchronized hosts to a domain template.Updated Chef scripts used to audit and update security and unify configuration across hosts.Used Chef to gather info on network mounts, disc space, RAM usage, and software versions.

      • Hardening Guide Coordinator

        Nov 2021 - Apr 2022
      • Automation Engineer

        Jan 2021 - Apr 2022
    • Airlines Reporting Corporation (ARC)

      Apr 2022 - now
      Platform Engineer

      Supported the RedHat, Solaris, Dell EMC & DataDomain storage, and Veritas backup systems.Wrote and modified CFEngine scripts to automate change and configuration management.Performed major OS and application upgrades increasing security and functionality.Worked closely with security on PCI audits and vulnerability mitigation.Maintained sudo access as well as user provisioning and access cuts.Performed quarterly patches and disaster recovery exercises.Replaced NTP hosts and coordinated with network and mainframe to update the environment.Audited the hosts to align with proper network segregation, separating production, non-production, and DMZ hosts. Show less

  • Licenses & Certifications

    • A+ Certified Technician

      CompTIA
    • Linux +

      CompTIA