SUMMARY:

Senior Linux Systems Engineer with Cloud/ Automation skills interested in a supporting a global, high volume transaction environment . Experience began with a BS in Computer Science and software programming and moved into Systems Engineering 15 years ago. Local to Illinois, willing to relocate to Atlanta.

TECHNICAL SKILLS:

Operating Systems: UNIX - Solaris 1.x & 2.x(6,7,8,9,10), Linux (Redhat, OEL, CentOS 4/5/6), xBSD, Cisco IOS

Protocols/ Software: DNS, SMTP, POP, HTTP(S), NIS, NFS, FTP, TCP/IP, RADIUS, Samba, sendmail, postfix, apache, SSL, SSH, PKI, PostgresSQL, Hobbit/Xymon, VMware vSphere

Languages: C, Unix shells, perl, expect, html

Hardware: Ascend/Livingston remote access products, Cisco routers & switches, Sparc systems, RS6000, PCs, 3Com terminal server, WAN configurations - analog, ISDN (BRI/PRI), T1, xDSL, 3Com wireless AP8000, EMC Clariion, Brocade

EXPERIENCE:

Systems Engineer

Confidential, Naperville, IL

Responsibilities:

• Modified Unix operating environment to increase system uptime, availability and stability.
• Replaced Fedora LDAP Directory Service with UnboundID software for increased reliability
• Operating system and patch assessment for security audit to meet requirements.
• Make recommendation for mitigation and remediation of discovered and reported audit violations
• Various system administration/engineering related tasks:
• Scripted automated formatting of SAN disks fdisk in preparation for operating system or Oracle ASM use, as well as data collection from Clariion arrays for RAID Group utilization reports using navicli. SAN environment is EMC
• Implemented automated VM & bare-metal, hardened system installations
• Scripted CIFS/rsync of Samba shares (Linux -> Windows)
• VMWare v4/5. initial template creation for cloning, datastore tasks
• VMWare tools re-packaging for kernel compatibility vCloud Director design
• Fedora DirectoyService LDAP management. backup/restore, new DS builds, etc.. migration to more stable UnBoundID
• RHEL/OEL 4/5/6 performance tuning on VMs and physical systems to improve memory utilization, uptime and overall reliability and stability.
• Amazon Web Services - Cloud AMI configuration and instance setup.
• Data center migration - convert physical system requirements to virtual, move applications.
• Apache Solr environment management.
• Lead engineer for Informatica Power Center buildout using Symantec Veritas Cluster Services v6 in VMware environment.
• Lead engineer for design of new Spacewalk/Puppet tools for Linux infrastructure configuration management.

Confidential, Chicago, IL

Responsibilities:

• RedHat VM performance tuning for cloud batch web crawling application running on VMWare ESX server.
• Worked with Corporate IT to negotiate RedHat licensing structure with costing plan for environment growth.
• Coordinated deployment of security appliances with hosting provider for proof of concept projects due to increased awareness for more proactive application environment monitoring. Vendors included, Qualys and Dell/SecureWorks
• Defined, delivered and communicated system architectural design and information and network connectivity to application teams for successful deployments to Production, QA and Development environments.
• Managed communications and coordinated system downtime scheduling for maintenance plans across multiple teams.
• Mentoring and knowledge transfer for both Confidential ’ associates and CDW hosting provider engineers.

Confidential, Chicago, IL

Responsibilities:

• Evaluation setup of UCE/N1 Systems Manager. Worked with Sun team during beta testing stage.
• Lead engineer for daylight savings time zone updates across Unix systems.
• Deployed automated LDAP configuration to Solaris systems.
• Developed web interface to monitor Oracle 9i database instances across Veritas Cluster Server cluster nodes.

Confidential, Atlanta, GA

Technical lead

Responsibilities:

• Assisted with staffing, project management, technical design of customer application environment, mentoring of other team members.
• Primary contact for mitigation of infrastructure PCI audits and penetration tests.
• Defined Linux and Solaris automated, hardened system builds - kickstart/jumpstart - for all aspects of the application environment to enable easier disaster recovery/business continuity. Included compiling software for Solaris (8,9) package creation (pkgadd) and building spec files for RPM creation.
• Designed new Brocade 4100 attached EMC Clariion SAN (CX300/CX500 plus online/hot backup (Linux) scheme for quicker disaster recovery. Designed overall backup strategy, SAN expansion and deployment configuration for production Oracle database cluster using Veritas SFRAC technology, and data center replication.
• Reviewed ticketing systems (helpdesk, issue tracking) system monitoring solutions. Deployed Hobbit for asset monitoring. Previous experience with Sysorb, Big Brother.
• Coordinated corporate and production environment facility move, including migration of customer file transfer system.
• Designed the in corporation of LDAP for ease of user management, cluster configurations to reduce single points of failure, recommendation of console servers for remote server management, Red Hat Satellite server for centralized deployment and configuration management, procedural definition for Change Control, evaluation of access control products.
• Established vendor relationships for hardware/software accomplishing 30-40% savings on new purchases.

Confidential, Carrollton, GA

Responsibilities:

• Technically managed a team consisting of a Security Specialist, Solaris Administrators, and Linux/Windows Administrators adding group cohesiveness.
• Guided the Unix administrators to securely configure servers with log rotation to provide more accessible system accounting.
• Guided the Security Specialist to define secure operating system build procedures to share with other IT entities throughout campus and implement an open source Intrusion Detection solution due to decreased budget availability.
• Designed and implemented a Solaris jumpstart environment, streamlining, tuning, securing more consistent installations.
• Designed a secure software solution for new 3Com wireless network utilizing Funk Steel-Belted RADIUS software with EAP - TTLS protocol (encrypted wireless connections). The design included a proposed migration of Unix (PAP) user accounts to a new OpenLDAP server.
• Designed and configured a replacement email gateway solution using Postfix and eSafe content scanning product for Linux. This new system eliminated email loss due to gateway and SMTP server failures and added SPAM and email header filtering.

Sr. Systems Engineer/Technical Infrastructure Team

Confidential, Norcross, GA

Responsibilities:

• Projects included; Veritas Cluster Server scripts, CA-Unicenter Confidential troubleshooting and installation automation, data center migration of Sun servers (E5000, Ultra 2, 420R), operating system troubleshooting on Sun E6500, created Solaris package builds for Sun jumpstart environment.
• Major contributor to “ Confidential Unix Lockdown Procedure” which defined secure system builds for firewalls, firewall management stations, and web portal systems in Solaris environments.
• On the team that defined security restraints and business requirements for a corporate wide VPN solution.
• Delivered tactical and strategic architectural design solutions to support Confidential 's infrastructure.
• Designed component level interfaces above and beyond UNIX to include security and firewall technologies, network infrastructure, database solutions, Microsoft systems, fail over / high availability solutions, disaster data recovery options.
• Developed project plans to deliver and execute designs in conjunction with a project management team.