Senior Systems Administrator

4 weeks ago


Chantilly, Virginia, United States Cornerstone Defense Full time
Job Summary:
Cornerstone Defense is seeking a highly skilled Senior Systems Administrator to support our mission critical infrastructure. The ideal candidate will have a strong background in Windows and/or Linux Server Operating Systems, as well as experience with infrastructure re-architecture support and enterprise security assessment.

Responsibilities:
Provide on-site, remote, phone, or email support for systems and networks.
Analyze existing systems and networks to identify areas for improvement and implement proactive recommendations.
Develop solutions to drive change and create efficiencies.

Requirements:
Active TS/SCI with Polygraph
8 years of technical experience with a bachelor's degree in an IT field; 5 years with a Master's degree, and 3 years with a PhD Degree
Experience with Windows and/or Linux Server Operating Systems
Experience with Infrastructure Re-Architecture Support
Experience with Enterprise Security Assessment Support and A&A accreditation

Preferred Qualifications:
CCNA Certification
Experience with Juniper Firewalls
Knowledge of Server Operating System MS 2019
Knowledge of Power Shell and Basic commands
Knowledge of MS patching process using WSUS
Knowledge of Active Directory
Knowledge of RMF and A&A accreditation process

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