• Primary responsibilities include management of RHEL 6/7/8 servers on virtual, cloud, and bare metal platforms, act as technical lead for incident response, 24x7 on-call rotation, OS and security patching, and customer support. • Troubleshoot system and network problems: examine server and application logs for root cause analysis, and use system tools such as sar, top and htop, ifconfig, systemctl, nslookup, tcpdump, ps, and netstat for further troubleshooting and configuration testing. • Configure and troubleshoot selinux policies, contexts, and booleans to correct system errors, implement requirements for customer applications and filesystems, and maintain system security. • Configure systemd and firewalld services for applications and system management. • Deploy storage for new and existing filesystems on bare metal and virtual systems, including disk formatting and partitioning, creating and expanding physical and logical volumes, and creating and expanding filesystems (ext4, xfs, swap, gfs2, nfs, enfs). • Install and maintain software from satellite and local repositories using dnf, yum, rpm, and Ansible Tower. • Configure sudo rights and permissions, adhering to policy of least privilege. • Use Remedy ticketing system to maintain and document all requests in accord with change management policies.

• Primary responsibilities included Tier 1 triage and incident response, after hours help desk support, 24x7x365 systems monitoring, and Junior level systems administration. • Monitored Unix/Linux servers, Windows servers, network appliances, and various other systems for faults and performed initial triage prior to escalation to the appropriate teams or after hours on-call admins. • Followed ITIL standards for incident response and documentation. Recorded and tracked incident response times, resolutions, and occurrences for problem management. • Performed daily physical walk-through of server rooms, documenting hardware fault indicators, and created problem tickets for escalation. • Junior level systems administration included creating new LDAP users and groups, adding users to platform sets, disk space management, creating new directories with ACLs, assisting end users with account lockouts and password changes, and general IT support for end users. • Fielded after-hours help desk support calls, which included assisting with new user laptop setup, password lockouts, VPN support, and security and PII incident response and documentation.

• Responsible for post-refresh analysis and auditing to maintain an accurate database in Altiris. • Oversaw a complete reorganization of several stockrooms at the Parklawn building as a special project.• Worked under the Asset Manager and oversaw a team of 3-4 technicians.

• Primarily responsible for ensuring refresh equipment was delivered to end-users in a timely fashion, and receiving returned equipment into stockrooms and the main warehouse. Also responsible for OS and hardware upgrades and repairs for equipment not end-of-life. • Maintained warehouse floors, preparing pallets of equipment for shipment out to various HHS locations in DC and Maryland. This included receiving the new equipment into the warehouse, adding new barcodes to the new equipment, scanning them into the Altiris database, and repackaging for delivery. Assisted with local deliveries of equipment to HHS stockrooms. • Prepared end-of-life equipment for decommission by removing hard drives from all desktops and laptops and wiping potentially sensitive data with a degausser. Hard drives were kept separate and eventually shredded, while old chassis were shipped back to the vendor for decommission. • Moved from warehouse to stockroom during this time on the contract, where I was responsible for delivering refresh equipment to end users directly, which included receiving end-of-life equipment and preparing it for shipping to the warehouse. • Worked closely with desktop support to upgrade equipment not end-of-life, and repair damages, either by replacing hardware or creating a ticket with the vendor and shipping out for repairs.

• Responsible for auditing end-user loaner equipment in preparation for asset refresh activities at HHS. • Utilized tools such as Remedy and Altiris to track and document incoming and outgoing equipment and resolve outliers that, for example, may have been missing or damaged. • Contacted end-users via phone call or email regarding the location of their loaner equipment so that they could be physically scanned via barcode to update the existing database in Altiris.• Traveled to several HHS locations and departments to scan and assess loaner equipment prior to asset refresh.

• Responsible for fast and accurate data entry into the Data Dimensions database, averaging over 80 words per minute with 100% accuracy. • Kept track of personal daily, weekly, and monthly speed and accuracy records using Microsoft Excel spreadsheets and formulas.• Supervised, trained, and on-boarded new team members.