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Ops Manager / System Administrator Resume

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.

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