
Michael O
Senior Linux System Administrator
Competenze

Consulta i miei servizi


Esperienza lavorativa
Senior Linux System Administrator Team Lead
Defense Information Systems Agency • Full time
May 2024 - Present • 2 yrs 5 mos
Administer and secure RHEL 8/9 servers on AWS EC2, ensuring compliance with DISA STIG benchmarks and DoD security policies. Develop and maintain Ansible playbooks for automated provisioning, patching, and configuration of Linux instances. Configure and optimize Apache web servers for secure hosting of internal web applications and mission data. Implement automated backup and recovery using AWS Backup and rsync.
USDA
Full time • 3 yrs 2 mos
IT Specialist
Jan 2017 - Jul 2019 • 2 yrs 6 mos
Experienced in using SCCM and User State Migration Tool. Provided VTC support for Executive meetings and evaluated potential IA security risks. Upgraded over 150 computers from Windows 7 to 10 within one month. Provided remote administrative desktop and software support using Remote Desktop on workstations. Managed call center activities to meet Service Level Agreements and supported over 1000 users.
Help Desk Specialist
Jan 2017 - Sep 2017 • 8 mos
Active Directory account administration. Provided telephone support to end users for software and network support for over 1000 users. Resolved user access issues and managed user accounts and security. Updated and maintained hardware and software inventory details. Provided remote analysis, identification, and resolution of difficult support and computer problems for end users.