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Enterprise Systems Administrator

2 months ago


Doral, Florida, United States General Dynamics Information Technology Full time
Job Summary

We are seeking a highly skilled Enterprise Systems Administrator to join our team at General Dynamics Information Technology. As a key member of our IT team, you will be responsible for the administration, operation, and maintenance of our enterprise systems.

Key Responsibilities
  • Administer and maintain enterprise systems, including servers, operating systems, and software applications.
  • Provide Tier 3 system administration support for 24/7 operations within the US SOUTHCOM Joint DoDIN Operations Center (JDOC).
  • Deploy operating system, baseline software updates, and third-party updates via Microsoft Endpoint Configuration Manager.
  • Administer Active Directory, including users, groups, objects, forests, trees, domains, child domains, DNS, Group Policy/AGPM, ADFS, AD LDS, etc.
  • Administer VMware virtual environments, including ESXi hosts, vCenter appliances, Vsphere, Horizon, VDI, profile unity, and VSANs.
  • Apply security principles, practices, and procedures under the Risk Management Framework (RMF) to maintain compliance with applicable security regulations.
  • Download, stage, and deploy systems-related security policies and updates to maintain information system compliance with DISA security policies and procedures (STIGs, IAVAs, etc.).
  • Create and maintain detailed system documentation.
  • Maintain current knowledge of rapidly changing technology and work with management to evolve current processes.
  • Develop scripts (PowerShell, VBScript, etc.) to perform recurring systems administration tasks, automate installs, gather metrics, etc.
  • Troubleshoot highly complex system hardware and software issues.
  • Develop training materials for end users on the proper use of hardware and software.
  • Develop implementation plans for software installations and upgrades to operating systems and layered software packages.
  • Monitor and tune systems to achieve optimum performance levels.
  • Ensure workstation/server data integrity by implementing standard software and hardware solutions.
  • Lead efforts to ensure data/media recoverability by following a schedule of system backups and database archive operations.
  • Conduct advanced hardware and software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines.
  • Support change management activities and resolve Tier 3 hardware and software problems.
  • Coordinate with vendor Tier 4 support to troubleshoot issues as required.
  • Develop advanced technical solutions for the management of networks, software, hardware, configurations, and architectures.
Requirements
  • Experience administering enterprise environments, supporting Operations and Maintenance (O&M) of servers (physical and virtual), operating systems (Windows, Linux, etc.), databases (SQL, Oracle), collaboration tools (SharePoint, Teams, Jabber), virtualization technology, software applications, scripting, SANs, and computer security in an enterprise.
  • Experience with Windows infrastructure services: DHCP, DNS, authentication, Active Directory, Group Policy, profile management support services, desktop software provisioning.
  • Experience with infrastructure including but not limited to: data center operations, server hardware, operating systems (Windows, Linux), web servers, databases, virtualization (VMware), networking, storage, monitoring, etc.
  • Experience with VMware technologies: vCenter, Vsphere, ESXi, VSAN, Horizon, etc.
  • Experience with Liquidware Profile Unity, Dell Wyse Management Suite.
Education and Certification
  • BA/BS (or equivalent experience) with 5+ years of experience.
  • DoD compliant: IAT Level II or III Baseline Certification.
  • Computing Environment (CE) Certificate.
  • Desired: Microsoft Administrator Certification (MCSA, MCSE, DP-, AZ- etc.).
  • VMWare Certifications: Desktop Management (VCP-DTM), Data Center Virtualization (VCP-DCV).
Clearance and Travel
  • Must be a U.S. citizen.
  • Must be able to obtain a fully adjudicated Top Secret SCI clearance.
  • Must have interim clearance and required certifications prior to start in role.
  • 0%. No travel required.