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Senior Linux System Engineer - TS/SCI Polygraph

Laurel, MD
Senior Linux System Engineer
Must possess an ACTIVE TS/SCI with Full Scope POLYGRAPH CLEARANCE

•    Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.
•    Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for the client window server devices.
•    Provides Tier 1 through Tier 3 problem identification, diagnosis, and resolution of problems.
•    Candidate must be able to coordinate and partner with various work centers, network engineers/administrators, and customer organizations in the execution of daily tasks.
•    Strong communication skills, as well as excellent teaming skills and a positive, customer-focused attitude.

•    Strong Linux system administration skills with general Red Hat Linux system administration, security patching, OS upgrades, troubleshooting problems, and ensuring maximum system availability.
•    Must be able to configure and manage Client server technology utilizing NFS and CIFS.
•    Must be able to use and troubleshoot servers running CENTOS6,7, and 8. Redhat 6,7, and 8., with direct attached and FC SAN storage
•    Large memory SMP systems with many cores
•    Enterprise client server configurations
•    Multi-vendor filesystems such as XFS, GPFS, and CXFS
•    Fielded systems
•    Blade systems and associated interconnects (SAD, FC, TCP/IP, etc.)
•    Red Hat and Microsoft Windows Operating System
•    Centrify Installation, Configuration, and Management
•    Infrastructure support services such as DNS, NIS, Active Directory, Centrify, Zenoss, SiteScope, HP Openview, HPSA, HPSE, Splunk, Sendmail, Exchange, NetQoS, 
•    NoMachine NX
•    Master's Degree and 4 years' experience, Bachelor's Degree and 6 years’ experience, Associate's Degree and 10 years’ experience, or High School Grad and 12 years’ experience in System Administration.
•    Must meet 8570 IAT II requirements to include one of the following certifications: CCNA Security, GIC SP, GSEC, Security+ CE, SSCP, CASP CE, CCNP Security, CISA, CISSP, GCED, GCIH, CSA+.

•    Scripting language
•    Novice experience with Virtualization
•    Basic knowledge in setup and use of certs in Windows 10 environment
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