• Location: Annapolis Junction, Maryland
  • Type: Contract
  • Job #3240

Title: Systems Administrator IV
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.


SYSTEM ADMINISTRATOR IV shall have a Bachelor’s Degree in Computer Science or related field, and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.  Or the individual shall have five (5) years of full time computer science work that can be substituted for the Bachelor’s Degree, and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.  An industry recognized professional certification may substitute as one year experience.

Experience shall include installation, configuration, and networking of UNIX and/or NT based platforms.  This experience shall include: creating, modifying and deleting user accounts, performing system back-ups, and maintaining system configuration files.  Individual shall have a fundamental understanding of operating systems ad be familiar with either UNIX or NT commands or utilities at the user level.  Experience shall include the installation and configuration of hardware, operating systems, and commercial software packages.  Individual shall be able to develop and implement enterprise backup/recovery strategies, server configuration and consolidation, and verification of the health and status of the entire IT infrastructure.  Individual shall be able to provide support for enterprise services such as DNS, NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems.

(U) In addition to the above qualifications, SYSTEM ADMINISTRATOR IV FOR STORAGE must have the following qualifications required by the relevant TTO: Installation, configuration, tuning, troubleshooting, and administration of:
• SGI IRIX based Operating System
• SGI systems with direct attached and FC SAN attached storage
• Network Appliance clustered servers with direct attached and FC SAN storage
• Network Appliance and SGI IRIX supported applications
• Multivendor clustered filesystems such as GPFS, Lustre
• Brocade FC switch network
• Enterprise class arrays
• Solid State Disk (SSD)
• NFS/CIFS based server/storage appliance
• Data Domain and similar deduplication products
• Cloud based storage solutions such as HADOOP, and IBM BigInsights
• Trouble ticket management utilizing Remedy

*IAT Level II Certification Required*

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