SUMMARY

• I have experience as a Systems Administrator with strong background in 2 major flavors of Unix operating systems and some Windows.

TECHNICAL SKILLS

• Solaris 9, 10 & 11
• Linux 5 & 6
• Dell Power Edge 1950, 2950, R610, R910
• Sun T5220, T2000, T4, and T5 servers
• Windows 2003, 2007, 2008
• Oracle WebLogic 11g and 12c
• Apache HTTPD
• Apache Tomcat

PROFESSIONAL EXPERIENCE

Confidential

Cross Domain Enterprise Solutions, Cyber Security Tester

Responsibilities:

• Review Data Transfer Specifications (DTS) for XML and ASCII Filters from Engineering team
• Discuss and resolve any issues resulting from DTS review with Engineering Team
• Run customer’s control data through the Filter, on Linux OS, for Verification and Validation
• Create Test cases from the customer’s Control data for Valid, Invalid, and Malicious data
• Develop Independent Verification and Validation (IV&V) Test Plan
• Review code for Filter, configured by the Engineering team
• Run all created Valid, Invalid, and Malicious Test cases across security domains (High to Low, and vice versa) through the Filter for malicious codes and dirty words
• Develop IV&V Test Report
• Develop Site Based Security Assessment (SBSA) Plan
• Deploy SBSA Plan on site and write a report
• Attend weekly meetings

Confidential

Sr. Systems Administrator

Responsibilities:

• Manage, monitor, and maintain Solaris 10 servers on global and LDOMs
• Configure Solaris 10 and zones and install packages
• Perform daily systems monitoring
• Verify integrity and availability of hardware and server resources
• Monitor and reviewed systems and applications logs for any abnormalities
• Create, change, and delete user accounts as necessary
• Create and import SSL certificates
• Investigate, troubleshoot, and resolve systems hardware and software issues
• Manage and maintain applications on Windows 2008 servers
• Create implementation plan for OS and application upgrades and updates
• Configure network interface
• Perform host security administration
• Provide support to Developers to resolve application issues
• Provide client support to resolve application issues
• Provide support to DBA to resolve database issues
• Work with Network Team to resolve server connectivity issues
• Apply OS patches and upgrades on a regular basis
• Monitor, and maintain Oracle WebLogic application on Solaris 10 servers
• Liaise with third party companies to resolve OS and application issues
• Compliant with DoD 8570 Information Assurance
• Review and resolve security findings resulting from ACAS scan
• Review and mitigate IAVA findings
• Knowledge of Windows Active Directory on Windows 2003/2008 Servers
• Familiar with switches, routers, and firewalls
• Provide on - call support on a rotational basis
• Attend weekly meetings

Confidential

Sr. Systems Administrator

Responsibilities:

• Managed, monitored, and maintained RedHat Linux 5 & 6, and Windows 2008 servers
• Managed, monitored, and maintained applications on Dev, Test, Staging, and Production systems
• Provided support to developers and database administrators
• Provided support to clients in resolving any application connectivity issues
• Applied latest security patches to the Dev, Test, Staging and Production systems
• Work with security team to review system vulnerabilities and remediate accordingly
• Created and import SSL certificates
• Configured ACL
• Deployed applications to Dev, Test, Staging, and Production systems
• Installed, monitored, maintained, and deployed applications on Oracle WebLogic 11g and 12C servers
• Troubleshot, diagnosed, and resolved system issues
• Performed user account administration
• Initiated, worked, and submitted numerous Remedy tickets
• Worked with the network team in resolving connectivity issues
• Monitored and reviewed system logs and activities for any abnormalities
• Provided on-call support
• Attended weekly meetings

Confidential

Infrastructure Support Engineer

Responsibilities:

• Managed and maintained RedHat Linux 6 and Windows 2008 servers
• Created, changed, and deleted user accounts as required
• Performed user account administration
• Initiated change requests for ports and protocols for servers connectivity
• Assisted developers and build engineers with VM configuration and access
• Maintained and managed inventory of network resources
• Assisted in defining and maintaining firewall rule sets
• Installed virtual machines and operating systems on Windows 2007 using Virtual box
• Monitored system logs and activities
• Documented systems and network configuration, environment and processes
• Worked with Network Team to resolve connectivity issues
• Reviewed and resolved client’s problem tickets
• Attended daily meetings

Confidential

Sr. Systems Administrator

Responsibilities:

• Installed, configured, managed and maintained Solaris 10 servers
• Managed and maintained Windows 2003 and 2008 servers
• Installed virtual machines on Windows 2008 using Hyper-V
• Performed daily systems monitoring
• Monitored and reviewed system and application logs
• Installed security patches
• Configured and added new services as needed
• Configured network interface
• Performed host security administration
• Provided support to Developers to resolve Application issues
• Worked with Network Team to resolve connectivity issues
• Troubleshot and resolved server hardware, software and connectivity issues
• Provided client support to resolve application issues
• Reviewed and resolved security findings resulting from ACAS scan
• Reviewed and addressed IAVA findings
• Installed security patches
• Compliant with DoD 8570 Information Assurance
• Knowledge of Windows Active Directory on Windows 2003/2008 Servers
• Familiar with switches, routers, and firewalls
• Provided on-call support on a rotational basis
• Attended weekly meetings

Confidential

Sr. Systems Administrator

Responsibilities:

• Installed, configured, managed and maintained Solaris 10/11 servers
• Managed and maintained Windows 2003 and 2008 servers
• Installed virtual machines on Windows 2008 using Hyper-V
• Performed daily systems monitoring
• Verified integrity and availability of hardware and server resources
• Monitored and reviewed system and application logs
• Created, changed, and deleted user accounts as necessary
• Verified completion of scheduled backups on SAN
• Migrated applications from Solaris 10 to Solaris 11 servers
• Requested for security scanning and monitoring servers for any intrusions
• Installed security patches to resolve risks resulting from security scans
• Configured Solaris 10 and 11 zones and install packages
• Created shell scripts using bash to delete/zip/move old files
• Configured and added new services as needed
• Installed, configured, managed and maintained RedHat Enterprise Linux and Windows 2003/2008 servers
• Created virtual internet protocol (IP) addresses on Solaris servers
• Configured network interface
• Initiated change requests for ports and protocols for servers connectivity
• Performed host security administration
• Provided support to Developers to resolve Application issues
• Worked with Network Team to resolve connectivity issues
• Initiated change requests for ports and protocols for servers connectivity
• Troubleshot and resolved server hardware, software and connectivity issues
• Provided client support to resolve application issues
• Installed Nessus Scanners