SUMMARY:

• 15+ years experience in installation, administration, configuration, and securing UNIX variants including
• Solaris and RHEL/CentOS. Over 8 years experience supporting and securing DoD information systems.
• Ability to act as technical lead and mentor to promote efficiency and perform knowledge transfer. Proven record of success reducing downtime, improving security, saving costs, and improving customer satisfaction.
• Information Security & Assurance
• Security & Compliance
• Remote Support
• Technical Lead
• Escalated Technical Support
• Network Monitoring
• Database Administration
• Systems Analysis
• Process & Efficiency Improvements
• Technical Writing

TECHNICAL SKILLS:

Database:: Oracle/Sun Directory Server, Red Hat/389 Directory Server:Oracle 8i 10g, MySQL, PostgreSQL, SQL, PL/SQL, SQL*PLUS

Development: PERL, Sed, NG awk, Bash, Bourne, Korn Shell, Sun Studio, gcc

Web Support: Java, JBoss, JRun, Coldfusion, Apache, PHP, Sun Java Web/Application/Proxy Server

Net Services: TCP/IP, HTTP(S), SNMP, DNS, LDAP, NFS, Samba, Apache

PROFESSIONAL EXPERIENCE:

UNIX/Linux Systems Engineer Lead ­

Confidential, Washington DC

Responsibilities:

• Implemented and supported the RHEL infrastructure to support ACAS 5 on an US Air Force contract
• Supported RHEL on 53 VMware VMs consisting of 6 Security Centers and 47 Nessus scanners on multiple networks.
• Administered Master and disconnected Slave Red Hat Satellite servers via Satellite exports
• Architected and implemented LDAP with MIT Kerberos to support NFSv4, encrypted audit logs, and user authentication.
• Assessed customer needs and recommended appropriate products or solutions
• Performed system audits to ensure that all intended requirements of system functionality, operations and performance are achieved
• Communicated technical information to non technical users, both orally and written.
• Supported requirements, architecture, design, and development of complex computer systems.
• Interacted with other departments in creating procedural methods to solve technical issues
• Conducted risk and vulnerability assessments of planned and installed information systems to identify vulnerabilities, risks, and protection needs.
• Supported maintenance and monitoring of the system/server infrastructure to include patching, system upgrade, backup, and configuration.
• Developed a 100% DISA SCAP compliant Red Hat Satellite configuration and Kickstart for RHEL 7.
• Maintained a 100% DISA STIG compliant RHEL 6 infrastructure.
• Researched and reported STIG issues to DISA which were resolved in a later version of the STIG.
• Ensured system confidentiality, integrity, availability, functionality, and efficiency.
• Mentored and trained less experienced administrators.

UNIX Systems Engineer Lead ­ Contractor

Confidential, Fort Knox, KY

Responsibilities:

• Supported Linux and Solaris on NIPR/NASE and RSN for the US Army Human Resources Command
• (USAHRC)
• Provided technical expertise to a team of 11 supporting Linux, Solaris, and AIX.
• Implemented multiple Red Hat Network Satellites including Master, Slave via ISS (Inter Satellite Sync)and Disconnected via Satellite exports.
• Created and administered 200+ servers consisting of physical as well as Virtual Machines (VMs) virtualized under VMware, RHEV 3 (Red Hat Enterprise Virtualization), and KVM (Kernel Virtual
• Machines).
• Acted as a Field Support Engineer on TDY for a USAF DISA ACAS Windows to RHEL migration project.
• Implemented RHN Satellites on each network to Kickstart 28 Nessus scanner VMs. Returned on TDY to train two Junior administrators who remained on site.
• Acted as a Level 3 Support Engineer for escalated incidents and problems for more efficient resolution and recovery.
• Functioned as a technical expert in LDAP (Lightweight Directory Access Protocol) & Kerberos for single sign on services,OID (Oracle Internet Directory), application support, and NFS V4.
• Defended systems against unauthorized access, modification and/or destruction through defense in depth.
• Achieved 99% compliance on DISA STIG (Security Technical Implementation Guide)/SCAP Security
• Content Automation Protocol) across the board.
• Performed patch, STIG/SCAP, and IAVA compliance within established change control procedures.
• Mentored and trained less experienced administrators.

Solaris Implementation Engineer

Confidential, Columbus, OH

Responsibilities:

• Monitored our Service Center queue and resolved trouble tickets in Peregrine service center.
• Administered Solaris 10 servers running zones/containers, logical domains (ldoms on Sun4v T series)and dynamic system domains (DSD on M5000).
• Secured servers using Symantec ESM to scan for and correct OS vulnerabilities.
• Verified servers followed security guidelines.
• Coordinated multiple projects simultaneously and assisted other implementation engineers on their projects to provide Follow the sun support across multiple time zones.
• Managed SAN storage using Veritas Volume Manager (VxVM) 5, ZFS, SVM, and raw devices (ASM).
• Supported DBA and AD teams on multiple projects and resolved their problems and requests.

Solaris Consultant ­

Confidential, Columbus, OH

Responsibilities:

• SACWIS. (Statewide Automated Child Welfare Information System)
• Administered 11 servers running Solaris 9: 7 V880s and 4 V240s.
• Cross trained non Solaris administrators in Solaris and shell scripting.
• Edited and updated previously documented internal procedures.
• Administered Sun Cluster 3.1 in a three node V880 cluster.
• Troubleshot, researched and corrected system errors.
• Analyzed systems for security deficiencies and made recommendations
• Administered Veritas Volume Manager (VxVM) 4.1 under Solaris and HP UX.
• Researched and implemented increased security using the HP UX Standard Mode Security Extensions
• (SMSE).
• Wrote a Perl script for log rotation for HP UX which does not support it natively.
• Implemented shell scripts for HP UX to archive daily user login/logouts for auditing.