Aaron Sizemore Email & Phone Number

Responsibilities: Highly motivated cybersecurity professional with specialization in system administration. IT OperationsManager for the last three years. Very skilled with detection and mitigation of security issues. Work constructively with all levels of stakeholders, employees, and vendors. Protecting what matters most by securing sensitive data and critical assets from current and emerging threats, I practice defense in depth while using these basic principles – Confidentiality, Integrity, and Availability. Key Accomplishments: • Maintain multiple Windows domains offline VMware environment, enforcing security standards and governance.• Adjusted company policies and created procedures to adhere to SOC2 standards.• Implemented and tuned QRadar with IBM WinCollect agent for SIEM monitoring.• Implemented ADAudit Plus to track account lockouts, changes, user logins, FIM, and privileged users.• Implemented internal and external website monitoring to ensure maximum uptime for our CIS dashboard.• Periodic User Access Reviews per ISO-27001 and SOC2 requirements.• Setup Password Manager Pro Portal to centralize encrypted password storage per SOC2 requirement.• Encrypted backups with Veeam Backup and Replication on ExaGrid before copying to cloud storage.• Physical security logging and retention standards for SOC2 compliance.• Provide artifacts for SOC2 Type, HIPAA, and various third party risk management audits.• Threat Vulnerability Management including Qualys deployment, management, and remediation from findings.• Implemented ServiceDesk for Tickets and Changes including a digital Employee Change Portal.• Implemented patching using Ivanti and Endpoint Central ensuring compliance of Windows and third party apps.• Machine hardening by automating deployment of numerous agents through Endpoint Central, scripting, and GPO.• Sophos global policy enforcement for non-approved programs and deprecated protocols.• Much more...

Virginia

Responsibilities:Facilitated the implementation of systems administration processes, including set-up, security, of hardware and software platforms, in a completely offline production environment. Acted as a Deputy Product Owner managing backlog refinement in Jira. Delegated tasks for prompt resolution of issues. Led execution of Scrum sprint planning for the Windows team. Aided problem management resolution by compiling and tracking metrics by utilizing Jira. Resolved complex system issues in adherence to service level agreements. Provided outstanding technical support to internal customers as well as system hardening through the utilization of SCCM, SCOM, and traditional troubleshooting methods. Performed consistently to lean processes and automate procedures. Secured multicultural experience by liaising with worldwide teams, while conducting product owner activities for the Windows team.Key Accomplishments:• Performed remediation of vulnerabilities defined from the Threat Intelligence and Detection Engineering Team.• Yearly system audits and hardening of secure environment to ensure systems abide by Minimum Security Baseline.• Implement Sysmon and Tanium mass deployment to enforce a better security posture.• Participate in daily systems administration/management activities that include set-up, configuration, testing of hardware and software platforms, and account administration in a completely offline environment.• Backlog refinement and sprint planning in as Deputy Product Owner, as well as delegating tasks for urgent issues.• Participate in problem management resolution by collecting and tracking metrics through Jira.• Set up and configure test environments ensuring accurate and timely provisioning in preparation for production.• Provide technical support to internal customers by using reporting in SCCM, and monitoring through SCOM.• Participate in review of problems and identification to improve processes, procedures, and tools.• Much more...

Hillsboro, Ohio

Responsibilities: Led multistate management of over 450 users and respective workstations from five different locations. Oversaw the installation of new along with the restructuring of existing servers and configuring hardware. Headed the development of ServiceNow incidents as well as managed problems and change requests with accurate documentation for future reference. Executed multiple key technical tasks, including maintenance of hardware and software of desktops, laptops, printers/faxes, servers, and smartphones, as well as escalation of incidents with detailed troubleshooting of events to senior network engineer staff. Directed the configuration of VPN accounts and educated end users on proper VPN procedures. Ensured and maintained compliance with SLA through timely resolution of incidents.Key Accomplishments: • Administer physical and virtual Windows servers in seven locations countrywide, including backups and restores.• Manage over 450 users and their workstations from five different locations nationwide.• Create ServiceNow incidents, problems and change requests with thorough documentation for future reference.• Escalate incidents with thorough troubleshooting events, to senior network engineer staff.• Create and update extremely detailed knowledgebase documents for cohesive collaboration.• Create, test, deploy, and update VMware Horizon base and app layers for CVD’s and facilitate their updates.• Configure VPN accounts as well as educate end users on proper VPN procedures.

Phoenix, Arizona

Responsibilities:Created and maintained user accounts in Active Directory by delegatingpermissions in compliance with agency standards. Headed maintenanceof hardware and software of desktops, laptops, printers/faxes, servers,smartphones, and tablets. Delivered training related to the utilization ofagency-approved software and hardware. Served as a primary help desktechnician and timely responded to tickets, while efficiently maintainingdetailed notes of resolution. Developed backup and took snapshots of virtualmachines on ESXi hosts. Manage the setup of VPN accounts and configureddevices for remote users.Key Accomplishments:• Active Directory management including VPN setup for remote users.• Maintain hardware and software of systems.• Provide training in the use of agency approved software and hardware.• Primary help desk technician responding to tickets and keeping detailed notes of resolution.• Create well-written technical documentation for the shared knowledgebase.• Management of VMware virtual machines on ESXI hosts including vRanger and Backup Exec backups and restores.

• Diplomatic instruction of foreign militants improving support of coalition forces.• In charge of preparation of 30 joint personnel in proper utilization of technologies in high stress situations.• Active Directory and Group Policy administration of users, groups, organizational units, and software deployment.• Troubleshooting and repair of network devices, servers, printers, and end user machines.• Conduct daily briefings informing the chain of command on the status of systems.

Master Of Science In Information Management, Msim

Bachelor Of Liberal Studies, Msim

General Studies