TECHNICAL SKILLS:

• Red Hat Linux 5/6/7
• Red Hat Satellite 6
• Puppet
• Git
• Pulp
• Katello
• Automation
• Shell Scripting
• Python
• Ruby
• Kickstart
• Spacewalk
• VMware
• AIX
• Microsoft Server
• Sun Solaris
• HP/UX
• Cobbler
• Hadoop
• HDF
• Cloud Base
• Apache Solr
• Zookeeper
• MapReduce
• Ozone
• Synapse
• Nagios
• KerberosLeap
• LDAP
• SAN
• NAT
• DNS
• NIS
• Remedy
• HP OpenView
• Auditing Tools

PROFESSIONAL EXPERIENCE:

Confidential, Chantilly, Virginia

Linux Systems Engineer

• Responsible for Research and Development and implementation of Continuous Monitoring Policy for Identity and Access Management Program.
• Responsible for recommending and implementing Content/Configuration Management Automation tools such as Red Hat Satellite 6, and Puppet.
• Configure and maintain YUM, Puppet module, and git repositories. Update servers to latest hardened Red Hat Enterprise Linux baselines.
• Research and apply all necessary IAVAs.
• Work with Software Developers to harden systems, securing them while retaining the functionality and reliability of critical software programs and databases.

Confidential

Cloud System Administrator

• Performed analysis of system operations utilizing various operating systems and database management systems.
• Managed large scale Hadoop clusters.
• Conducted fault detection, isolation, and correction of computer systems and individual peripheral devices.
• Supported the integration of INFOSEC solutions and technologies into networks with particular attention to protocols, interfaces, and system design.
• Configured and maintained Flume to gather security log files on each server and aggregated them to a persistent centralized store for security audits and audit trails.
• Routine duties included system maintenance and administrative functions including system configuration and modification; adding, removing and replacing hardware and software items; system startup, shut down, backup and restore; database administration and maintenance; and system user access control.

Confidential

Senior Unix/Linux and VMware System Engineer

• Was responsible for the System Engineering; security; program design and implementation; configuration management; and maintenance of the Site’s Unix/Linux, VMware, and Mission Systems infrastructure.
• Configured and managed VMware ESX Clusters and Virtual Machines.
• Configured and managed multiple servers running Red Hat Linux including Site’s Application Servers, Kickstart Server, DHCP Server, and Spacewalk (Red Hat Satellite) Server.
• Provided directory access across multiple platforms such as Microsoft Windows and Red Hat Linux by using tools such as Vintela Authentication Services and Vintela Active Directory.
• Manage Microsoft Windows DNS Server
• Provided Tiers 2 and 3 support for end - user technical issues.
• Used various system security auditing tools to ensure that systems were compliant with Government INFOSEC policies.
• Authored POAMs to explain concrete measures to be taken to correct deficiencies found during security control assessments.
• Adhere to the IAVA compliance policy by applying system patches promptly.
• Created and maintained System Security Plans.

Confidential, Texas

Senior System Administrator / Information System Security Officer

• Provided 24/7 support for over 150 servers, servicing 2,000 customers.
• Configured and maintained servers on various platforms including Sun Solaris, Red Hat LINUX, AIX, Open VMS, Compaq Tru64 UNIX, HP UNIX, and Windows Server 2003 operating systems.
• Developed and maintained shell scripts to streamline system administration tasks.
• Configured and maintained NFS, NIS, and DNS in conjunction with daily file system maintenance.
• Ensure automated system backup process was running and working properly.
• Configured servers and workstations to connect to the network. Troubleshot network-related problems by using various networking diagnostic tools. Maintained Firewalls.
• Used monitoring tools such as HP OpenView, and Common View, for monitoring and preventative maintenance. Monitor and respond to system-generated notices and logs.
• Coordinated installs and software upgrades in accordance with local and national directives. Work closely with Software Developers and Echelon 2 support to ensure 100% mission availability. Submit Discrepancy Reports to improve software and to correct any operation deficiencies.
• Configured and maintained specialized GOTS software.
• Provide support for numerous hardware platforms including: HP (DL360, DL380, DS25, HSG80 Array Controller), SUN Enterprise (420R, 3500, 4500), SUN FIRE (V210, V240), SUN NETRA 240, Dell PowerEdge (1750, 1950, 2650, 2850)
• Information Systems Security Officer (ISSO) for multiple systems. Ensure systems operate, maintained and disposed of in accordance with Government policies and practices.
• Created and maintained System Security Plans (SSPs) for security certification, engineering analysis, vulnerability assessments, and risk assessments.
• Reviewed audit logs.
• Assisted Help Desk with fault isolation and user account management.
• Intricate contributor of the configuration of the Site’s first and only Gigabit Ethernet LAN segment.

Confidential, TX

Help Desk Technician

• Provided Tier 1 Help Desk support for over 40 networks, servicing 1,500 customers in support of a worldwide mission.
• Maintained trouble tickets utilizing Remedy database assuring 100 percent follow-through on all problem situations.
• Responsible for the security administration of Unix and Windows systems and networks.
• Established training plans for new Help Desk Personnel.
• Performed as a Junior System Administrator entrusted with full root/system privileges.
• Selected to be promoted early under the Senior Airman Below-the-Zone Program