SUMMARY:

Administrator or Analyst position focusing on System & Network Infrastructure

CORE ABILITIES:

• Linux & Unix Administration
• System Integration and Migration
• Windows Server Administration
• Disaster Recovery Planning
• Application & OS Patching / STIG
• Testing & Troubleshooting
• Network Design & Implementation
• User Support / Training

TECHNOLOGY SUMMARY:

Installing and Maintaining: RS/6000 systems, Dell & HP servers with RAID

Ethernet Connectivity: Cabling, Hardware, and Troubleshooting;

Authentication: LDAP, Active Directory, and SSH Keys

Virtualization: Xen, Citrix Xen, VirtualBox, and Vmware ESXi 4.1 - 5.1

Cloud Computing: Rackspace Cloud, Amazon Cloud (AWS), Google Compute Engine

Operating Systems: AIX 4.2 - 5.3, Red Hat Enterprise 4 - 6, Fedora 7-25, CentOS 4-6, Win 2K, 2K3, 2K8, Win 3.11 - 10Software Office Packages, Accounting Software, Network Diagnostic SoftwareSubversion, GIT, NFS, Samba, Gold Disk, Retina, Clear Quest, Nagios, SolarWinds. Syslog-ng, MRTG, Postfix, Nessus, HBSS, ACAS

Programming: Bash, Perl, Python, HTML

PROFESSIONAL EXPERIENCE

Confidential

Ops Manager / System Administrator

Responsibilities:

• Manage AWS Commercial & AWS C2S Linux Environments
• Implement hardening scripts based on CIS Level 2 Benchmarks.
• Develop Cloud Formation Scripts to aid in deployment of VPC’s and EC2 Instances.
• Deploy and maintain syslog server for log storage.
• Deploy and maintain HBSS for Anti-Virus and HIPS.
• Deploy and maintain Security Center/Nessus for system scanning.
• Work directly with Project PM to develop project schedules and keep them informed of statuses.

Confidential

Sr. Unix Administrator

Responsibilities:

• Manage multiple sites with around 40 RHEL 6 servers.
• Both SIPR and NIPR Keep all RHEL servers STIG’d and patched with central yum repository.
• Maintain Squid proxy servers for MSC ship based web traffic.
• Implement Confidential -blacklist of sites disallowed from web traffic from MSC ships.
• Store all Linux server and Cisco device logs on central Syslog hosts.
• Monitor all Cisco/HP servers with Nagios for server and process up-time using SNMP v3.
• Monitor all Network traffic and bandwidth with MRTG.
• Custom interface to present graphs to Management.
• Maintained Postfix mail relay servers for inbound/outbound perimeter email routing & filtering.
• Managed Authoritative and Recursive name servers using Bind at each location.
• Maintained the msc.navy.mil domain as well as all sub-domains.
• Stored all scripts and config files in a git repository.
• Maintained GIT repo for Net Ops team for Cisco Configurations.
• Designed and built custom Kickstart installation to build every host in the enterprise.
• Designed to run from network or CD.

Confidential

Server Administrator

Responsibilities:

• Scripted several automation systems for operations team.
• Deployed Windows 2K3 and 2K8 vm's and supported over 4,000 in total.
• Deployed RHEL 5 & 6 vm's and supported over 800 in total.
• Deployed VMWare and Citrix Xen hosts as virtual infrastructure.
• Migrated Equinix Data Center's DC4 & 5 to DC6.
• Built and Maintained DC6 to company specs
• Maintain and Install hardware for Confidential Ops team as well as Net team in Data Centers
• Configure ports on Cisco Nexus switch gear for server installations.

Server Engineer / Team Lead

Confidential, Bethesda

Responsibilities:

• Manage Windows 2003, Red Hat 5 and VMWare vSphere 4.1 Servers.
• Monitor and Maintain system Backups with BackupExec 2010
• STIG and Patch servers per DISA requirements using Retina and Gold Disk
• Processed environment thought DIACAP to acquire ATO.
• Implemented new virtual environment with VMWare ESXi 4.1 and vCenter.
• Windows 2008 Active Directory for Local and Web Authenticated Users using CAC.
• WSUS to push out updates and patches.
• Solarwinds for monitoring all servers and services and sending alerts.
• Retina & Gold Disk used to scan all servers for STIG and patch compliance.
• Clear Quest Ticketing system for internal Trouble tickets.
• VMWare servers connected with port-channel for redundancy and bandwidth aggregation.

Confidential

Network Administrator

Responsibilities:

• Maintain RedHat/Fedora/CentOS/SUSE Linux infrastructure
• Manage Windows 2003 AD Authentication Servers
• Designed, implemented, and maintain a custom backup system with Rsync and DeltaCopy
• Manage several hundred Amazon Cloud Computing Nodes (AWS)
• Created specialized AMI’s to be launched via AWS api.
• AWS compute vm’s controlled by VM controller instance.
• Manage in-house Citrix Xen Server Farm
• Designed, implemented, and maintain multi-node LDAP Rackspace virtual environment
• Monitor Daily Processes: Backups, Network Monitor, System Usage, Policy Adherence
• Helped to redesign Company IT Usage and Security Policies
• Install Oracle 10G and 11G

Confidential

System Administrator

Responsibilities:

• Maintained Windows 2K3 and Centos5 Network
• Managed all aspects of server and LAN relocation from building in College Park to Greenbelt
• Managed Honeywell Security Badge System
• Maintained 66 node blade rack with Centos5.1
• Built all Servers and Workstations with Kickstart
• Maintained NFS-based file server for common /home mount point.
• Setup Samba to allow Windows and Linux users to access shared file systems
• Monitored and Maintained Bacula backup system with robotic tape library
• Was responsible for responding to all user problems and for interface with Medical Technologists and Programmers
• Managed implementation of cfengine and migration from Active Directory to FDS
• Implemented a custom Inventory / Network Management System

Confidential

IT Administrator

Responsibilities:

• Configured Fedora and RedHat to run custom audio and video compression software
• Maintained HP Clusters with Infiniband switches and MPI software on Supermicro Systems
• Integrated automated build system with HP Clusters and Subversion for engineers
• Created a Kickstart and NFS system to aid in HP cluster build-outs.
• Maintained Active Directory 2003 Authentication Servers.
• Maintained Exchange Server 2003 with OWA and Blackberry Server
• Created single point user logins between Linux and Win2K3 with LDAP and Kerberos
• Setup Bugzilla, Subversion, and VSFTP services.

Confidential

Systems Analyst

Responsibilities:

• Managed RS/6000 Systems running AIX; monitored system performance, ensured consistent network connectivity and monitored system security
• Configured Dell 2800 & 2950 systems with Kick Start software. Installed RHEL Vr. 4, client specific software and custom system monitoring applications.
• Supported wireless communications with Tablet PCs and PDAs
• Provided 3rd Tier Support to internal technical support providers and directly to customers
• Created White Papers and Technical Information Notices for new procedures
• Installed, Implemented and Managed new products, both in the field and in-house
• Installed and Managed a 200 Node IPSec VPN with NAT'd endpoints for customer support using Secure Computing SG710 and SG560's routers
• Custom built network-based Bare Metal Recovery System for RHEL using TAR and KickStart
• Custom built Automated Update System (or “AUS”) Software
• Demonstrated competency in the use of Apache, Tomcat, DNS, DHCP, NFS, PPP, LDAP, APC Enterprise, Postgres Server, VSFTPD, ProFTPD, Postfix MTA, Veritas Backup Exec, and others.