2428 Newmoor Way

Upper Marlboro MD, 20774

Phone: 301-801-6420

Email: lelandeastman@gmail.com

Security Clearance: Top Secret SSBI

 

 

Information Technology professional with 15+ years of Information technology experience in highly visible and mission critical roles.Possesses expert skill level and highly knowledgeable in a wide variety of Information Technology domains including cybersecurity, engineering, systems administration, networking, datacenters, and virtualization. Possesses various industry respected certifications in a multitude of competencies such as MCSE: Server Infrastructure, MCITP: Enterprise Messaging, VMware VCP, Cisco CCNA, and the high level security certification CISSP. Candidate also holds a Bachelor Degree in the Computer Information Technology

 

·   Proficient at engineering and administrating enterprise Microsoft Windows networks, Microsoft Exchange messaging solutions, and environments utilizing VMware virtualization solutions

·   Past experience includes managing and engineering of Microsoft Exchange 2003 and 2010, Active Directory, Group Policy, SCCM, DNS, DHCP,  and VMware 4 and 5 virtual environments

·   Highly skilled at managing Windows Server Operating Systems 2003/2008/2012

·   Experience installing and configuring storage arrays and engineering backup solutions

·   DISA Standard Technical Implementation Guide (STIG) and server hardening experience

·   Knowledgeable of Department of Defense (DoD) and Department of State (DoS) unclassified and classified environments and familiar with standard policies and procedures

·   DOD 8570:IAT Level III Compliant

 

 

·   Certified Information Systems Security Professional (CISSP)

·   Microsoft Certified Solutions Expert: Server Infrastructure (MSCE 2012)

·   Enterprise Messaging Administrator on Microsoft Exchange 2010 (MCITP:EMA)

·   Enterprise Administrator on Windows Server 2008 (MCITP:EA)

·   VMware Certified Professional on VSphere 5 (VCP 5)

·   Cisco Certified Network Associate (CCNA:R&S)

·   Microsoft Certified Systems Administrator (MCSA 2003)

·   HBSS ePO5.1 Administrator Certified

·   CompTIA A+ Certified Professional

·   CompTIA Network+ Certified Professional

·   CompTIA Security+ Certified Professional

·   ITIL Foundation Certification

 

 

 

Bachelor of Science Degree in Computer Information Technology         Graduated May 2008

University of Maryland University College                                                  Adelphi, Maryland

Emphasis: Networking

 

 

 

Sr. Systems Engineer II (Virtualization)03/2015-Present

DEFENSE INFORMATION SYSTEMS AGENCY, FT. MEADE, MD   

RAYTHEON, DULLES   

System engineering of virtualization tasks/projects for the Defense Information Systems Agency (DISA) Multi-National Information Systems (MNIS) Program located in Ft. Meade, MD

 

Cyber Systems Administrator09/2014-02/2015

United States Air Force, Doha, Qatar                          

GENERAL DYNAMICS INFORMATION TECHNOLOGY, FAIRFAX, VIRGINIA

ProvideD system administration support and engineering for AFCENT US Air Force 609 ACOMs Det 1 existing network systems at the CAOC (Combined Air and Operations Center) located in Doha, Qatar

 

Systems Engineer11/2012-08/2014

United States Army Corp of Engineers, Kandahar, Afghanistan      

GENERAL DYNAMICS INFORMATION TECHNOLOGY, FAIRFAX, VIRGINIA

Performed system administration and engineering of US Army Corp of Engineers existing network systems including 60 virtual Windows 2003/2008/2012 servers, Microsoft Exchange 2003/2010 servers,  Microsoft System Center Configuration Manager 2007, VMware ESXi servers, and Storage Area Network devices

 

SYSTEMS ADMINISTRATOR12/2011-10/2012

United States Army, Kandahar, Afghanistan      

ITT Exelis Mission Systems, McLean, VA

Performed system administration of  the United States Army SWA Active Directory domain and Exchange 2003 network with over 10,000 users in Afghanistan This included systems administration support for unclassified and classified Windows 2003 networks including day to day operations, maintenance, and troubleshooting of domain controllers, DNS, VMware ESXi clusters/hosts, storage devices, exchange servers, DHCP servers, and file/print servers

 

Exchange Systems Engineer05/2011-12/2011

Department of Navy, Washington D.C.

CACI/Kforce, Arlington VA

 

Provided engineering support for NIPR AND SIPR Windows 2003 networkS including day to day operations, maintenance, and troubleshooting of NAVSEA DMS Exchange emailsystem and DMS Messaging Application which consisted of Exchange 2003 Clustered servers and front-end Exchange 2003 servers. THis included system and network administration of  NIPR and Active Directory domains including DNS and Microsoft Exchange engineering and SERVER HARDENING to meet DISA SECURITY COMPLIANCE standards                                                         

 

Microsoft Exchange Administrator07/2009-03/2011

Department of State, Washington D.C.                     

Skyepoint Decisions/IT Solutions, Silver Spring, MD

 

Exchange administration of 30 Clustered Exchange 2003 email servers and 200 Exchange email servers remotely located worldwide

Systems Administrator, Site Lead06/2006-07/2009

Department of Homeland Security USCIS,Washington, D.C.

Federal Deposit Insurance Corporation, Arlington, VA

U.S. Agency for International Development, Washington D.C.

SRA International, Inc, Fairfax, VA,

 

Responsible for performing preventive maintenance, monitoring and optimizing the performance of  Windows 2003 WINDOWS servers and network devices

SYSTEMS ANALYST 09/2004-05/2006

DEPARTMENT OF STATE, WASHINGTON D.C.                     

QUOTIENT INC, COLUMBIA, MD

PROVIDED SYSTEMS SUPPORT FOR ACTIVE DIRECTORY, MICROSOFT EXCHANGE, UNCLASSIFIED AND CLASSIFIED EMAIL, FIREWALL, PATCHES, ROUTERS, SWITCHES, CIRCUITS, VPN, IVG LINES, VIRUSES, CABLES, VIDEO AND TELECONFERENCING, REMOTE ACCESS CLIENTS, INTRANET, AND BLOCKED WEBSITES. GenerateD tracking tickets to document all calls and emails using the Remedy Ticket Tracking System

 

 

 

Engineering/ Technical Project Lead (Experience: 7 Years)

 

·   Lead projects and tasks to design, engineer, and deliver Microsoft server solutions to users from development laboratory to production networks

·   Lead Interoperability testing with International Coalition partners to ensure network servicess work as intended across multiple NATO partner networks

·   Engineered and deployed directory sync tool to share Global Address List data with Coalition partners across several external trusted coalition domains

·   Engineered, tested, and deployed  virtual baseline configurations to multiple networks using dell’s 3-2-1 solution utilizing 3 physical Dell R730 servers, 2 Cisco catalyst 3560x switches and a Dell EqualLogic storage arrays

·   Tasked to lead projects or tasks and troubleshoot complex technical issues and manage them through to a successful resolution

 

Virtualization (Experience: 7 Years)

 

·   Developed and engineered a repeatable process for deploying standardized and hardened collection of virtual servers and system configurations across multiple Secret/Rel networks

·   Performed P2V of 100+ Microsoft/Linux physical servers from an all physical server environment to 100% virtual environment

·   Installed, configured, and optimized VMware ESXi host servers and virtual machines

·   Managed VMware virtual machines using VSphere VMware client and VCenter Server

·   Installed Vmware updates using vSphere Update Manager

·   Troubleshoot ESXI and Virtual Machine errors and performance issues

·   Deployed, managed, and solved technical issues with Cisco IP phone zero clients using VMware View Administrator in USACE’s Virtual Desktop (VDI)

·   Performed security Hardening of ESXI hosts, vCenter server, and Virtual Machines

 

Active Directory/Group Policy/DNS/DHCP (Experience: 12 Years)

 

·   Responsible for the Administration/Engineering of Active Directory, DHCP, DNS, DHCP and Group Policiesin enterprise networks

·   Group Policy Implementation and troubleshooting experience including domains, sites, local computer workstations, and user settings.

·   Managed additional Windows services including Distributed File Servers, Window Deployment Servers, and NTFS/Share management for networks with 10000 or more users

·   Managed Active Directory security permissionsfor various user accounts, groups, distribution lists, organizational units, and network resources

·   Responsible for monitoring and troubleshooting issues with Domain Controllers, DNS Servers and

 

Windows Server Installation/Configuration/Patch Management (Experience: 12 Years)

 

·   Installation and configuration of Windows 2003/2008/2012 servers on physical or virtual platforms

·   Pushed Microsoft SCCM 2012 packaged applications and patches to 500 clients workstations and 200 servers

·   Managed Microsoft System Center SCCM collections, packaging of applications and patches advertised via SCCM 2007 and Windows Patch Management via WSUS to over 800 clients

·   Install/Configuration of Windows Deployment Server to deploy Windows 7 desktop images via PXE to scattered workstations locally on site

·   Installed, Managed, and Configured WSUS server to monitor and identify critical patches and to automated patching which increased efficiency of maintenance of multiple servers across several networks

·   Install operating system updates manually after  evaluation and testing; performed system configuration changes via Local Security Policy or Registry settings

·   Performed remote administration of servers

 

Server Hardening/ Security Compliance/Server Monitoring (Experience: 12 Years)

 

·   Monitored NETIQ and SCOM alerts to respond to system resource issues, event log errors, and stopped Microsoft Exchange services.

·   Performed Security monitoring of internal network utilizing various security tools such as HBSS, etc.

·   Perform Security hardening of Windows server 2003/2008/2012, MS Exchange, Microsoft Office, VMware hosts, Virtual Servers, and vCenter databases

·   Ensures compliance with DOD IAVA requirements and installs required Windows and VMware system patches.

·   Ensure compliance with DOD IAVA requirements and installs required Windows and VMware security patches.

·   Responded to Security Incidents where unauthorized classified information was placed on inccorect networks and used tools such as ExMerge to remediate incidents

 

Network Administration/Network Monitoring (Experience: 12 Years)

 

·   Performed Network Monitoring and analysis of CFBLnet networks

·   Configuration Cisco catalyst 3560x switches for use in virtualization/storage suites

·   Configuration and Deployment of  Cisco 3750 Catalyst Switches and troubleshooting Ethernet and fiber cabling issues

·   Daily monitoring of the health of the network, servers, virus protection, and network storage devices

·   Monitored, diagnosed, and troubleshoot server and network connectivity issues

 

Problem Resolution/Analysis /Database Monitoring/Preventative Maintenance (Experience: 7 Years)

 

·   Provided TIER III Problem resolution/analysis of Active Directory, DNS, DHCP, SQL, Email issues across several Combined Federated Battle Laboratory networks (CFBLnet)

·   Visually inspected server equipment and lighting displays

·   Responsible for performing preventive maintenance, monitoring and optimizing the performance of  Windows 2003/2008/2013 servers and network devices

·   Monitor and troubleshoot MS 2008/2012 SQL servers and database issues

 

 

Microsoft Exchange Email (Experience: 12 Years)

 

·   Microsoft Exchange 2010 administration, engineering and problem resolution of organizational email issues

·   Perform Exchange 2010 administration and health checks such as monitoring email queues, database sizes, disk space utilization, and perform mailbox moves as required

·   Performed Exchange administration including mailbox moves, exmerges, mail delivery troubleshooting, and mailbox backup and restoration

·   Responsible for administration of  30 virtual exchange servers, 6 domain controllers, and 3 file servers across 3 separate networks

·   Migrated user mailboxes from 2003 Exchange Physical servers to Exchange 2003 Virtual servers

·   Monitored Exchange server performance, Exchange services,  messaging queues, troubleshoot mail delivery problems, and optimize exchange performance by compacting exchange databases using ESEUTIL utility

·   Monitored Exchange server performance, Exchange services, and messaging queues to ensure mail is passing normally

·   Exchange administration of 30 Clustered Exchange 2003 email servers and 200 Exchange email servers remotely located worldwide

·   Diagnosed and corrected common exchange server problems, including all advanced server hardware and software problems

·   Performed Message Tracking to troubleshoot delivery problems

·   Monitored, diagnosed, and troubleshooted Microsoft Exchange network connectivity issues

·   Performed Active Directory and Microsoft Exchange user account administration including creating and deleting accounts and modifying group memberships

 

Network Storage (Experience: 7 Years)

 

·   Installation , Implementation, and configuration of Dell network attached storage arrays

·   Configure and manage NetApp filer storage data volumes and LUNs and monitor disk space utilization

·   Installation, configuration, and optimization of Dell EqualLogic PS 6000 series storage arrays and configuration of ISCI LUNs

·   Monitored and managed  SAN server storage usage and troubleshooted space issues

 

Servers/Network Devices/Hardware (Experience: 12 Years)

 

·   Perform hardware installation of servers, network switches, and storage devices including operating systems, firmware upgrades, hard disk drive replacement, and application patches

·   Installed and configured of UCS blade servers and Dell R610/710 PowerEdge servers

·   Performed changes to network hardware and attached devices including various Dell Servers,  fiber switches, and SANs

·   Performed changes to network hardware and attached devices including investigation, analysis, recommendation, configuration, installation, and testing of new network hardware

·   Perform server and printer hardware testing, analysis, and repair

 

 

Disaster Recovery/Backups (Experience: 12 Years)

 

·   Performed backup configuration, monitoring, and data restoration using various industry tools such as Microsoft System Center Data Protection Manager, Backup Exec 2010 R3, NetBackup, Symantec Backup Exec, and NTbackup

·   Monitored backups of Exchange Databases to ensure they were successful backed up

 

 Documentation (Years of Experience: 12)

 

·   Create System Design documentation and TTPs for system engineering projects

·   Create TTP (Tactics, Tips, or Procedures) or Standard Operation Procedures documentation for various projects and tasks

·   Created site documentation to track changes to all systems in the environment

 

Information Assurance (Years of Experience: 12)

 

·   Performs duties as Information Management Officer for all users requiring access to classified systems which included account creations, enforcing user and system policies, and setup and configuration of various NIPR/SIPR/CXI classified networked devices such as workstations, printers, digital senders, and Video Teleconferencing Equipment

·   Created ATO POAM entries for items (such as patches/group policies/registry settings) that took additional time to research to prevent potential negative effects by testing changes to the environment prior to implementation

·   Updated DIACAP packages (NIPR/SIPR) to meet DIACAP and DOD policies.

·   Developed remediation plans, schedules, and mitigation strategies to enable the IAM and IAO to address Zero Day, CAT I, II, and III IAVA vulnerabilities in a timely manner

·   Performed Certification and Accreditation (C&A) vulnerability assessments on NAVSEA Messaging System Networks utilizing the Network Scanner tool Retina and DISA Gold Disk

·   Installed, configured, and Managed McAfee Anti-Virus Enterprise / HBSS on all Exchange servers