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Systems Administrator with Security Clearance

ClearanceJobs
El Segundo, CA Full Time
POSTED ON 12/27/2025
AVAILABLE BEFORE 1/26/2026
Overview We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready to broaden their skill set across virtualization, security, and cloud technologies. The right candidate is eager to learn, comfortable troubleshooting a wide range of issues, and able to contribute to a secure and reliable infrastructure. Responsibilities .cs2654AE3A{text-align:left;text-indent:0pt;margin:0pt 0pt 0pt 0pt} .cs6EB2CBED{color:#000000;background-color:transparent;font-family:Tahoma;font-size:8.5pt;font-weight:bold;font-style:normal;} .cs2BCB78B7{color:#000000;background-color:transparent;font-family:Tahoma;font-size:8.5pt;font-weight:normal;font-style:normal;} .cs412B2392{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000000;background-color:transparent;font-family:Arial;font-size:8.5pt;font-weight:normal;font-style:normal} Core Responsibilities Endpoint, Device, and Tier-Two Support * Administer Microsoft 365, Exchange Online

  • Support Intune for device configuration, application deployment, and security baselines
  • Provide hands-on support for helpdesk agents on end-user issues, workstation builds, and system troubleshooting Hardware, Servers, and On-Prem Infrastructure * Maintain Dell PowerEdge servers, storage systems, and network-connected devices
  • Assist with monitoring and upkeep of PureStorage SAN and Ubiquiti/Unifi equipment
  • Support routine maintenance tasks, updates, and basic performance checks Windows Server & Directory Services * Support Active Directory, DNS, DHCP, Group Policy, and general Windows Server administration
  • Assist with identity, access control, and security hardening tasks Documentation & Operations * Maintain documentation for configurations, procedures, and changes
  • Follow IT policies, standards, and security practices
  • Work with senior team members to escalate and resolve complex issues Skills Required .cs2654AE3A{text-align:left;text-indent:0pt;margin:0pt 0pt 0pt 0pt} .cs6EB2CBED{color:#000000;background-color:transparent;font-family:Tahoma;font-size:8.5pt;font-weight:bold;font-style:normal;} .cs412B2392{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000000;background-color:transparent;font-family:Arial;font-size:8.5pt;font-weight:normal;font-style:normal} .cs2BCB78B7{color:#000000;background-color:transparent;font-family:Tahoma;font-size:8.5pt;font-weight:normal;font-style:normal;} Qualifications * Exposure to VMware, Zscaler, or AWS environments * PowerShell, Python, or similar scripting experience
  • Certifications such as Microsoft 365/Windows Server, CompTIA Network /Security , or AWS Cloud Practitioner
  • Understanding of security or compliance frameworks (CMMC, NIST, etc.) Additional Value-add Skills Infrastructure & Virtualization * Assist with VMware vSphere 8 administration (vCenter, ESXi, Horizon View)
  • Participate in capacity planning, uptime monitoring, and host maintenance Network Security & Access * Support Zscaler administration under guidance (ZIA, ZPA, ZDX)
  • Help enforce access controls, identity policies, and security configurations Cloud Exposure * Support AWS environments for foundational tasks (EC2, S3, basic Terraform interaction)
  • Participate in team efforts to automate and modernize infrastructure Salary Range: $55,000 -$75,000/year, DOE Education Bachelors degree preferred, preferably in management information systems, math or engineering. Additional degrees or certifications may subsitute for years of experience.

Salary : $55,000 - $75,000

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