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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 7/9/2026full-timePort Hueneme • California • 🇺🇸 United StatesSenior💰 $95,000 - $135,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in providing advanced desktop support and troubleshooting for end-user computing environments, with a strong focus on maintaining high-quality user experiences and managing hardware and software lifecycles. Proficient in deploying and managing Windows and ThinLinux solutions while ensuring compliance with security configurations and standards.

Highest-signal resume keywords
Advanced Desktop SupportWindows DeploymentMECM/SCCM PatchingEndpoint Security ConfigurationActive TS/SCI Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Troubleshooting Windows IssuesCitrix SupportWorkstation DeploymentApplication ConfigurationMicrosoft Application Support
Soft Skills
Problem SolvingUser Experience FocusProcess Improvement
Tools & Technologies
MECMSCCMEndpoint Security Tools
Certifications & Qualifications
DoD 8140/CSWF Credential
Industry Keywords
EUC PlatformsSecurity ConfigurationSRGsSTIGs

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