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Senior System Administrator Security Clearance
Job in
Annapolis, Anne Arundel County, Maryland, 21403, USA
Listed on 2026-06-12
Listing for:
Cornerstone Defense
Full Time
position Listed on 2026-06-12
Job specializations:
-
IT/Tech
Systems Administrator, Cybersecurity, IT Support
Job Description & How to Apply Below
Senior System Administrator
Location:
Annapolis Junction, MD
Compensation Range: $190K-$210K
Responsibilities- Provide support for implementation, troubleshooting and maintenance of IT systems.
- Manage the daily activities of configuration and operation of IT systems.
- Provide assistance to users in accessing and using IT systems.
- Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
- Provide support for the escalation and communication of status to agency management and internal customers.
- Manage dispatch system and hardware problems and remain involved in the resolution process.
- Configure and manage UNIX and Windows operating systems and install/load operating system software, troubleshoot, maintain integrity and configure network components, and implement OS enhancements to improve reliability and performance.
- Provide in-depth troubleshooting of IT systems and detailed analysis for escalated tickets.
- Optimize system operations and resource utilization and perform system capacity analysis and planning.
- Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required.
- Five (5) years of additional SA experience may be substituted for a bachelor’s degree.
- Ten (10) years' experience as a SA in programs and contracts of similar scope, type, and complexity is required.
- Three (3) years of experience installing, configuring, maintaining, troubleshooting, and using system security (container security, virtual machine security, security boundary enforcement), configuration, and reporting tools.
- Experience with Windows/UNIX administration and configuration.
- Three (3) years of experience with ELK, Tripwire, VMware, Red Hat SELinux security tool suite is strongly preferred.
Position Requirements
10+ Years
work experience
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