Professional Objective

Highly motivated information technology professional with strong background in systems architecture, seeking position with creative, dynamic, and growing organization. Focused thinker looking to work with small team of engineers and decision makers.

Professional Experience

Confidential

Network Administrator/Desktop Support

• Part of small team responsible for maintenance and design of network environment consisting of 40 virtual machines and eight servers built on Vsphere 5.0, supporting small environment consisting of 50 users.
• Responsible for network design and maintenance focusing primarily on Active Directory, designing OU structures and group policy objects required by management and users.
• Worked with technologies including Server 2008R2/2012, with solid understanding of DNS, DHCP, Group Policy, Active Directory topology and replication.
• Worked on supporting users and Windows 7 machines, fixing printer issues, anti-virus issues, and Microsoft Word related problems.
• Worked on updating servers, end user machines and virtual machines, through WSUS and BIOS updates.
• Created documentation, with Visio, drawing out network topology, keeping track of IP addresses, server names, etc
• Helped design and build Exchange 2010 messaging environment.

Confidential

Senior Systems Engineer

• Part of server team responsible for maintenance and operations of datacenters in Sterling Virginia and Chicago Illinois. Supporting 6000 users and 700 virtual machines in hybrid environment, spanning multiple sites, states and countries.
• Managed and trained small team of network administrators as well as desktop engineers working in Navigant's DC office.
• Provided cost effective solutions and support which directly impacted company growth and morale, increasing overall revenue by nearly 20 in two years.
• Worked with hardware including EMC DataDomain, EMC Symmetrix VMAX storage, EMC VNX VG8 Gateways, broad range of Dell server models, Dell SANs, Cisco UCS Blades, and APC products.
• Focused primarily on technologies including Active Directory 03/08/12, VMware Vsphere 5.x across two datacenters, Symantec Netbackup, Symantec Backup Exec, and proprietary ticketing system.
• Managed projects and collaborated closely with external IT staff, including teams such as, security, network, database, messaging, SharePoint, Storage, and desktop teams. Worked on a wide variety of integration related issues, focusing primarily on Active Directory and VMware.
• Day to day responsibilities including solving many complex enterprise level server-related issues, covering all sites and IT practices.
• Used change management system to document all changes made throughout environment, taking detailed technical notes and following up on major issues. Received high praises from managers and directors in a wide variety of practices.
• Completion of projects including overhaul of Active Directory replication topology, and build-out of proprietary could infrastructure, NAVCloud.
• Served as Active Directory subject matter expert, making recommendations towards enhancing and fixing replication topology, gathering data using proprietary MS tool along with dcdiag, repadmin, netdom, etc. Executing findings to fix and enhance replication topology across entire environment.
• Completed a large number of server builds including virtual DCs, virtual SQL servers with mount points, virtual application servers, along with many P2V conversions.
• Enterprise level expertise in Active Directory, DNS, Group Policy, and DHCP. With over ten years of hands on experience designing and building domains across a wide variety of networks.
• Enterprise level expertise in VMware, distributed virtual networks and VLANs, virtual storage and datastores, mount points, HA, Vmotion, DRS, and site recovery manager. Having built hundreds of virtual machines across Microsoft platforms.

IT Operations Manager

• IT operations manager responsible for design and maintenance of network spanning five sites, 500 users mixed environment consisting of six ESX hosts, 15 physical servers, four Hyper-V hosts, two SANs, and over 40 virtual machines.
• Managed small team of engineers eight to build and support computing environment, drawing from ITIL standards and procedures, as well as ITSM frameworks.
• Obtained top secret DoD clearance, reporting directly to CEO and military officials, keeping compliant with cyber security initiatives and standards derived from NIST.
• Recipient of Prometheus Award, highest honor given to an employee, for providing intelligent solutions reducing costs by nearly 1.5 million over three years.
• Most recent project involved VoIP implementation and multi-site AD deployment. Lead design engineer on this project.
• Re-vamped Active directory, upgraded to server 2008R2 forest functional level, and further designed AD across five remote sites, created child domains for each location, migrated users to each respective domain. Solid understanding of AD replication topology and DFSR replication.
• Worked on encryption mechanisms to secure internal network, focusing primarily on certificate based authentication. Introduced WPA2-enterprise wireless authentication through RADIUS. Recently implemented IPsec NAP with health certificate authentication and encryption of offline file cache through EFS.
• Lead design engineer in Exchange 2003 to 2010 migration. Solid understanding of Exchange 2010 server roles and functionality.
• Successful creation of Database Availability Groups, vast knowledge/understanding and implementation of Auto discover functionality, OWA redirection from 2003 to 2010, IIS SAN certificates, Exchange Active Sync, load balanced OWA, Outlook Anywhere, RBAC configuration, retention tags/policies, archiving, and solid understanding of SMTP connectors.
• Worked on very large VMware migration project including physical to virtual conversion, designed VMware environment from scratch.
• Configuration of Vcenter 4.0 upgrade to 4.1 , ESX hosts, and networking components within hosts. Solid understanding of VMware functionality, HA, VMotion, Fault Tolerance, and iSCSI initiators.
• Tested and worked with Vsphere 5 in preparation for company-wide upgrade.
• Implemented company-wide upgrade from XP to Windows 7. Also worked on full re-design of group policy to automate settings and permissions in relation to Organizational Unit, Domain, Universal Group, Domain Local, and Global Group membership.
• Worked on HyperV migration, configured hosts to handle virtual machines that were considered less critical to operation.
• Created DMZ to prepare for SharePoint rebuild, working with SharePoint administrator to upgrade environment to SharePoint 2010.
• Introduced DFS to headquarters, created storage quotas for users, quotas for drives, and file exemptions. Also reworked permissions on file shares to better organize and ease administration.
• SAN storage migration including configuration of VLAN routing, this was configured on both Dell MD300i SAN and EMC VNXe3100 SAN.
• Responsible for the planning, implementation and configuration of Active Directory domains and replication models. Implementation of domain controllers, distributed FSMO and Global Catalog roles between DCs.
• Maintenance and design of Exchange 2003 infrastructure, providing technical recommendations for performance tuning and availability.
• Worked with a team to ensure the proper day to day operation of Microsoft systems, components and services spanning multiple sites. Most recent projects including design of clustering solution for Microsoft Exchange environment and implementation of VMware.
• Responsible for all licensing and compliance information for organization.
• Created clear and concise documentation recording all system related passwords, internal and external IP addresses, and licensing information.
• Built test environment mirroring production in separate forest/subnet/cluster.
• Completely revamped Backup strategy, implementation of Backup Exec 2010 R2, followed by 2010R3 rebuild, introduced encryption as part of security initiative. Also built WSUS and Anti-virus solution on same server as part of consolidation project.
• Design of OU structure, creation of sites, subnets, site links, and connection objects demonstrated understanding of trust technology.
• Customized design of various Group Policy Objects for Active Directory domains and OUs based on security assessments using Nessus security scanner and government audits outlining contract requirements.
• Responsible for adding, moving, and updating DNS records on both Microsoft and Linux based systems.
• Designed a workstation only patch management solution for multiple sites, involving WSUS configuration for deploying Microsoft hot fixes and security patches.
• Designed disaster recovery plans for multiple sites, consisting of the installation and configuration of Veritas Backup Exec 11d to backup all windows file servers, SQL servers, Exchange servers, system state and IIS metabase. Setup device pools, media policies, and complex partitioning of robotic tape libraries to insure accuracy.
• Management and configuration of all new servers, software, and equipment. In-depth knowledge of RAID technology.
• Maintenance of Blackberry Enterprise Server.
• Responsible for maintenance and updates of software based spam firewall, involving creation of custom rules.
• Implemented custom scripts based on contract requirement to automate weekly security event log archiving on multiple servers.
• Created detailed documentation and drawings outlining the configurations of Active Directory sites, DNS records as they relate to company websites' IP addresses, and DHCP address blocks and reservations. Also responsible for keeping detailed inventory of workstations and laptops.

Network Administrator

• Administration of multiple servers running windows NT4.0, server 2000 and server 2003. Planned, tested and executed a company wide migration from NT4.0 to Server 2003 and Exchange 5.5 to Exchange 2003.
• Active directory administration, configuration of user accounts, security settings and drive mappings using customized scripts.
• Design of domain group policy.
• Implemented DNS, DHCP, and terminal services.
• Administration and troubleshooting of complex in-house applications designed for HUD. Demonstrated understanding of ODBC configuration.
• SUS server installation and maintenance.
• Installation and configuration of tape backup units, performing backups using Veritas Backup Exec 8.0.
• Responsible for servers and client machines with problematic hardware, replacing non-functional parts, upgrading drive space, memory, configuring RAID arrays, etc
• Installation and administration of 3Com NBX 100 VOIP telephone system.
• Administration of Watchguard Firebox II firewall.
• Administration of networked printers and copiers.
• Running of CAT-5 cable to new ports.

Operating systems/software: Microsoft Windows Server 2000/2003/2008, SBS 2000/2003, Windows Server Update Services, Microsoft Forefront Protection for Exchange, Microsoft Windows 7/Vista/XP/ME/98/95, Microsoft Exchange 2000/2003/2010, Internet Information Services 6 7, Microsoft SQL Server 2000/2005, Microsoft Office 95/97/2000/2003/2007/2010, Veritas Backup Exec 8/11/2010 R2, Symantec Anti-Virus, Symantec Endpoint Protection 11-12, McAfee Anti-Virus, Microsoft Baseline Security Analyzer, Shadow Security Scanner, ZoneAlarm Security Suite, BlackIce Defender, Nessus, Spyware Doctor, Sunbelt Messaging Ninja, Trend Micro Server Protect, Office Scan, PC-Cillin Internet Security, Palm OS, Windows Mobile, Numara Software Track-it, Network Monitor, BlackBerry Enterprise Server 2.1- 4.1