Darryl Arrington
Senior Systems Administrator
- Role
- Tier 3 Systems Administrator Endpoint Engineer- National Archives and Records Administration at 22nd Century Technologies Inc.
- Location
- Fort Washington, MD, US
- LinkedIn followers
- 500 followers
Experience
Tier 3 Systems Administrator Endpoint Engineer- National Archives and Records Administration
22nd Century Technologies Inc.
Nov 2024 — Present
Daily usage of ServiceNow ticketing system for processing incidents, change request & requested item service tickets.PowerShell scripting & automation Active Directory, server & workstation tasks.Active Directory account/ group creation, modification & terminationActive Directory administration & cleanup of stale users, security groups, & computer accounts to improve the overall security posture of enterprise domain.Role-based access control.NTFS permissions modifications.VMWare reporting.Server maintenance.Active directory management & implementation. Includes Azure AD, SCCM administration, management of windows security updates & imaging via SCCM & Active directory deployment.Server & local account management + remediation.Provide remote support to users who need assistance with workstation & server issues.Remediate issues escalated from Tier 1 & Tier 2 support personnel.Participate & take the lead, if necessary, in high level strategy meetings to resolve complex issues & accomplish enterprise-wide goals.Required to mitigate security vulnerabilities on domain-joined workstations.Lead efforts to decommission physical & virtual servers via vSphere & AWS.Troubleshoot until resolution VPN software & network connectivity issues.Resolve issues related to the network scanning of documents from MFDs. Print server management.Create & manage network print queues.Collaborate within the Engineering team to respond to & actively resolve MS Identity Manager issues/ requests.Lead YubiKey deployment efforts for alternative hardware key logon methods.Activate Microsoft Entra roles via Privilege Identity ManagementCoordinate support appointments with executives & vendors.Responsible for installing/troubleshooting COTS & GOTS software.Perform first time login assistance for users.Utilize Microsoft authenticator.Add devices to Intune after imaging.Microsoft 365 Exchange AdminCreate user mailboxes via the on-premises Exchange server.
Skills
- Comptia Security + Certified
- Itil
- Comptia Network+ Certified
- Sharepoint
- Active Directory
- Comptia a+ Certified
- Dns
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