IT Systems Administrator, Sr. (Level 3) / Onsite: Palmdale, CA
25037.5010
Apply to this job ENTERPRISE BUSINESS SERVICES Until 9/26/2026 First posted July 28, 2026 Last posted July 28, 2026
Job description
• Experience with Windows Operating Systems (Windows 10/11, Server 2016, 2019, 2022, etc.)
• Experience with Linux Operating Systems (Red Hat Linux 7/8/9)
• Experience with Risk Management Framework (RMF) Requirements and Security Technical Implementation Guide (STIG) Implementation
• Experience with vulnerability remediation and security management (system hardening, log management, configuration management (i.e., Nessus, McAfee, Shavlik, SCAP)
• Must possess DoD 8570 IAT Level II or III certification (i.e. Security+, CASP, CISSP)
• Ability to lift and carry 30 lbs, including up and down stairs.
• Ability to rack and cable server infrastructure
• Experience with Linux Operating Systems (Red Hat Linux 7/8/9)
• Experience with Risk Management Framework (RMF) Requirements and Security Technical Implementation Guide (STIG) Implementation
• Experience with vulnerability remediation and security management (system hardening, log management, configuration management (i.e., Nessus, McAfee, Shavlik, SCAP)
• Must possess DoD 8570 IAT Level II or III certification (i.e. Security+, CASP, CISSP)
• Ability to lift and carry 30 lbs, including up and down stairs.
• Ability to rack and cable server infrastructure
About this role
Summary
Manage and secure server infrastructure, implement security standards, and handle risk assessments.
Job title
IT Systems Administrator, Sr.
Experience level
senior level
Industry
enterprise services
Location requirements
onsite in Palmdale, CA; no remote work allowed
Salary
Not specified
Management role
No
Skills & keywords
Required skills
Windows Operating SystemsLinux Operating SystemsRisk Management FrameworkSTIGsystem hardeninglog managementconfiguration managementNessusMcAfeeShavlikSCAP
Preferred skills
None specified
Specializations
WindowsLinuxsecurityrisk managementvulnerability remediation
Locations
Structured locations inferred from the posting.
Palmdale, CA, USA
On-site City