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Senior Systems Engineer Resume Profile

New York, NY

Professional Summary

Confidential is a Senior Systems Engineer/Administrator with extensive experience engineering, administering, upgrading, configuring and tuning Linux/UNIX environments. He is well versed in several web server and system tools including Apache, JBoss, VMware, WebSphere Message Broker MB , WebSphere Message Queue MQ , Nagios, Cacti, Snort, Chef and Puppet. He has expertise identifying and implementing process improvements, creating technical documentation and enhancing system performance. In addition, he has experience leading small teams of Systems Administrators, developing/maintaining automation scripts, and interfacing with development teams Java/PHP/CSS .

Operating Systems: Linux RHEL, CentOS, Fedora, BSD, Debian, Suse , UNIX Solaris, System V, AIX, HP-UX , Windows 7, 2010, 2003, Mac OSX 10.x

Languages: Perl, Linux Bash Scripts, UNIX Shell Scripts, AWK/SED, Ruby, HTML, SQL, PHP, C/C

Databases: MySQL, Oracle

Monitoring Products: Nagios, Cacti, Snort, NMAP, Ethereal, tcpdump, ntop, RANCID Really Awesome New Cisco confIg Differ , OSSIM, OSSEC, NTOP

Server Software: Chef, Puppet, cfEngine, Cobbler, Apache, VMware Server, bacula, Tomcat, JBoss, Concurrent Versions System CVS , Subversion, squid, Samba, git, HAProxy, Linux Virtual Server LVS , stunnel

Related Skills: Security Enhanced Linux SElinux , iptables, PAM based security, arptables, Barracuda Hardware, Cisco Networking devices routers, switches, ASA Firewall , Netgear switches, routers , BIND, Network Attached Storage NAS , NFS, SAN, MetaSploit Framework, Kali Linux

Experience

Confidential

Role: Senior Systems Engineer

  • Built and designed Red Hat Enterprise Linux RHEL infrastructure for WebSphere Message Queue MQ /Message Broker MB /Integration Bus High Availability HA implementation.
  • Installed and configured WebSphere MB/MQ in HA and non HA configurations this was for 570 Bob Evans Restaurants.
  • Configured logrotation for all OS and application logs.
  • Implemented and configured network storage for WebSphere MB/MQ.
  • Diagnosed and remediated Linux network connectivity problems over Cisco OTV link.
  • Utilized puppet to automate configuration.
  • Utilized cacti and nagios for metrics and monitoring.
  • Created custom metrics and monitoring at an application level using bash/perl/snmp.
  • Monitored and supported the production Enterprise Service Bus ESB environment.

Confidential

Role: Senior Linux Systems Engineer

  • Automated deployment of MarkLogic back-up/restores, using bash, Perl and XML/XQuery.
  • Configured and administered MarkLogic.
  • Built BigIP F5 rule sets to route traffic based on URL, origin, and port.
  • Migrated MarkLogic from 4.2.5 to 4.2.9.
  • Worked with existing MarkLogic admins to help them learn bash and Perl.
  • Diagnosed, and found a root cause for NFS and Linux connectivity issues.

Confidential

Role: Senior Linux Systems Engineer

  • Implemented and configured IBM Infosphere in a Red Hat Enterprise Linux RHEL environment using local accounts for authentication.
  • Configured iptables to allow for IBM DataStage communication.
  • Worked with the infrastructure team to set-up and profile the sizes, as well as mountpoints that would be needed for the SAN.

Confidential

Role: Senior Systems Engineer

  • Designed and implemented entire infrastructure, including firewalls, storage, dev, and production environment.
  • Implemented and configured border, and internal firewall including VLAN separation between dev, admin, and internal network segments, using Sonicwall.
  • Implemented and configured NAS storage device for automated backups from both dev servers, and office shares.
  • Deployed and configured both public, and office subnet wireless networks public being outside the CoreLogis network entirely.
  • Set-up VPN between multiple client networks, as well as external VPN access to employees.
  • Integrated ADT and PBX phone system into the administrative network.

Confidential

Role: Senior Systems Engineer

  • Diagnosed and found root cause for traffic collision and network traffic disruptions within a Cisco network environment.

Confidential

Role: Senior Systems Engineer

  • Deployed and configured Wireless Access Point WAP for office to allow access to internal office subnet.

Confidential

Role: Senior Linux Systems Engineer

  • Worked with a team of ten Systems Engineers, System Architects, Network Engineers and Deployment Engineers.
  • Supported six primary environments, including over 200 virtual and physical servers per environment.
  • Built UNIX AIX and Red Hat Enterprise Linux RHEL server instances for development and production environments.
  • Administered servers, pre-production builds, provided technical support and conducted troubleshooting, as well as remediated server support issues on a daily basis.
  • Worked with business units to establish and document requirements for infrastructure builds.
  • Used automation software, Puppet, Chef, and cfEngine for server and environment deployments.
  • Built virtual machines for Developers using VMware Vsphere.
  • Responsible for providing support for servers in the pre-production infrastructure.
  • Designed and deployed back-up solution for Cisco network configurations using RANCID Really Awesome New Cisco confIg Differ and Subversion.
  • Documented and scripted installation of RANCID Really Awesome New Cisco confIg Differ and Cobbler software.

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