Centuria

Lead Systems Administrator

Centuria

full-time

Posted on:

Location Type: Office

Location: Dahlgren • Virginia • 🇺🇸 United States

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Job Level

Senior

Tech Stack

FirewallsLinuxTCP/IPVMware

About the role

  • Experience in a virtualization solution such as Microsoft Hyper-V, VMWare ESX/ESXi, or Nutanix Acropolis a plus.
  • Strong interpersonal skills, ability to work independently, multitask, prioritize, and work in a fast-paced, interrupt-driven environment; quality-driven, thorough and communicative.
  • Development and maintenance of technical documentation and drawings.
  • Ability to learn and adapt to new systems and changing requirements.
  • Knowledge of architecture, communication protocols, and system-level requirements in support of medium to large Enterprise environments.
  • Solid foundation in networking principles and troubleshooting of network-based performance issues.
  • Troubleshooting complex technical issues in a mixed Windows and Linux environment.
  • Perform system and security administration in Windows and VMware environments, including troubleshooting, installation, configuration, patching, and system performance monitoring and availability.
  • Administer security tools, perform OS and application hardening, and implement security controls such as DISA STIGs.
  • Provide Windows technical support including Windows registry, file and folder security, local/domain user security, and Group Policy Objects.
  • Perform system backup/recovery, software management, installation and configuration of hardware, OS and COTS software, sizing, performance tuning, and resource allocation.
  • Maintain proficiency on major network security tools such as firewalls.
  • Develop system specifications and perform market research procurement tasks.
  • Work on-site at Dahlgren, VA.

Requirements

  • Minimum six years of experience performing system and security administration in Windows, and VMware environments, including troubleshooting, installation, configuration, patching, and system performance monitoring and availability.
  • Minimum six years of experience with security tool administration, Operating System, and application hardening, and security control implementation such as DISA Security Technical Implementation Guides (STIG).
  • Minimum six years of experience performing Windows technical support, including knowledge of the Windows registry, file and folder security, local/domain user security, and Group Policy Objects.
  • Six (6) years of professional work and leadership experience in relation to Windows system administration of networks and software systems.
  • Experience in system backup/recovery, basic software management, security and library management, installation and configuration of hardware, operating systems and COTS software.
  • Experience operating computer systems in different operating environments, sizing, performance, tuning, hardware/software/network troubleshooting and resource allocation.
  • Experience in maintaining proficiency on major network security tools such as, firewalls.
  • Experience developing system specifications and performing market research procurement tasks.
  • Experience with different network protocols including TCP/IP.
  • Experience of computing and networking vulnerabilities, and attach and latest detect methods.
  • Experience troubleshooting complex technical issues in a mixed Windows and Linux environment.
  • Knowledge of architecture, communication protocols, and system-level requirements in support of medium to large Enterprise environments.
  • Solid foundation in networking principles and troubleshooting of network-based performance issues.
  • Experience in a virtualization solution such as Microsoft Hyper-V, VMWare ESX/ESXi, or Nutanix Acropolis a plus.
  • Demonstrable experience in writing business/project plans, technical documents, presentations and proposals.
  • High degree of skills with the MS Office toolsets.
  • DoD IAT Level II.
  • Security+.
  • DoD Top Secret security clearance (required).
  • Candidate will work on-site.

ATS Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
system administrationsecurity administrationtroubleshootinginstallationconfigurationpatchingperformance monitoringnetworking principlesWindows technical supportapplication hardening
Soft skills
interpersonal skillsability to work independentlymultitaskingprioritizationquality-driventhoroughnesscommunication
Certifications
DoD IAT Level IISecurity+DoD Top Secret security clearance
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