System Administrator with Security Clearance

This opportunity is HYBRID: it only requires 1 day a week on-site at Aberdeen Proving Grounds Top Skills:
-10 years of total experience (Work Experience + College Degrees)
-Secret Clearance and IAT Level II Certification
-Hybrid Linux and Windows admin position supporting tier 3 services, active directory support, group policies , server 2019/2022 maintenance/builds TEKsystems is seeking a Senior System Administrator to do the following:
-Performs administration, maintenance and support tasks necessary to ensure effective and efficient information technology (IT) system performance and security
-Installs, configures, troubleshoots, and maintains server and systems configurations (hardware and software) to ensure their confidentiality, integrity, and availability
-Administers server-based systems, security devices, distributed applications, network storage, messaging, and performs systems monitoring
-Consults on network, application, and customer service issues to support computer systems' security and sustainability
-Maintains a systems cyber security posture to include scanning and remediation of cyber vulnerabilities
-Performs risk analysis to identify threats, vulnerabilities and likelihood and impact of exploitation
-Performs user support and problem resolution.
-Understands, follows and promotes the values and principles in the Agile Manifesto
-Understands, follows and promotes continuous cyber security risk management