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Mission Technologies, a division of HII

Senior Systems Administrator – Desktop

Mission Technologies, a division of HII

Systems Administrator providing advanced desktop support and hands-on troubleshooting for cyber and mission IT at HII's Mission Technologies division. Ensure reliable operation of end-user technology and maintain system security.

Posted 7/10/2026full-timePort Hueneme • California • 🇺🇸 United StatesSenior💰 $95,000 - $135,000 per yearWebsite

Tech Stack

Tools & technologies
CitrixTypeScript

About the role

Key responsibilities & impact
  • Provide advanced desktop support and hands-on troubleshooting for end-user computing environments
  • Apply mid- to senior-level expertise to diagnose complex issues
  • Support hardware and software lifecycles
  • Maintain a high-quality user experience across the organization
  • Resolve escalated service desk tickets
  • Perform workstation deployments and configurations
  • Support operating system and application updates
  • Troubleshoot Windows and Citrix issues
  • Configure and maintain endpoint security tools
  • Contribute to process improvements and assist with inventory accuracy

Requirements

What you’ll need
  • 5+ years progressively responsible IT desktop administrator experience
  • Deploying and managing Windows or ThinLinux end-client solutions
  • Providing support to a variety of EUC platforms and applications
  • Installing, configuring, monitoring, and troubleshooting Microsoft and third-party applications
  • Patching operating systems and applications via MECM/SCCM
  • Applying and maintaining a standard security configuration based on SRGs and STIGs
  • Must meet DoD 8140/CSWF for 451-Intermedediate or be willing to obtain the appropriate credential within 6 months
  • Active TS/SCI government security clearance required to start

Benefits

Comp & perks
  • Health insurance
  • Retirement plans
  • Paid time off
  • Professional development

ATS Keywords

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Hard Skills & Tools
Troubleshooting Windows IssuesCitrix SupportWorkstation DeploymentApplication ConfigurationMicrosoft Application Support
Soft Skills
Problem SolvingUser Experience FocusProcess Improvement
Certifications
DoD 8140/CSWF Credential