SUMMARY

• Highly experienced IT professional with 20 years of large networked Windows NT 4/2000/2003/2008/2012 Server environments.
• Expert knowledge of Windows Server 2012, 2008, 2003, 2000, and NT4 Server Administration and Active Directory.
• Strong virtualization experience using VSphere, VCAC, VMWare ESX server and workstation products.
• IT Application Systems responsibilities included installation, configuration, administration, troubleshooting and maintenance of technology solutions.
• I am very highly skilled and knowledgeable in providing technical support, troubleshooting problems and perform scripting/programming to ensure stable and efficient operation of technology solutions.

PROFESSIONAL EXPERIENCE

IT Systems Engineer /Engineer

Confidential

Responsibilities:

• Active Directory user and computer domain configurations and support. Security settings for file shares and NTFS security permission settings to allow or deny user access.
• Highly experienced in the use of packet capturing software such as Wire Shark and MS Network Monitor to analyze network traffic for excessive broadcast traffic on the wire or excessive repeated resource requests that may affect the operation of the company access to the internet or client access to the company website.
• Management and configuration of the company wireless access points. Utilizing the MS Windows IAS service, users can authenticate to the wireless access points and gain access to the company network infrastructure by authenticating with Active Directory credentials.
• Management, setup, configuration and administration of multiple ESXi severs versions 4,5,6. External iSCSI storage configuration and administration of virtual machine storage and resource allocation.
• Management and configuration of virtual domain controllers, file servers, print servers. Built and configured the site virtual infrastructure for the company. Utilizing VSphere we managed and supported the virtual machines throughout the company network.
• Built complex on the fly network infrastructure configurations for company projects utilizing VMware virtual switch technology, 802.1q and cisco 2950 switches to create multiple VLANs and subnets for the development and build teams.
• Supported and administered the corporate IP Cisco Telephony system. Utilized the call manager and Cisco 3725 voice router to add new IP telephones and troubleshoot communication problems.
• Active Directory support, configuration and setup. I built domain controllers for the company, managed and solved company Active Directory problems, Built Windows 2003, 2008, and 2012 Servers for the company to utilize for production. Supported and Implemented Active Directory policies and planned domain migration for the company.
• Coordinated work assignments for junior technicians at the site, worked as the team lead for all IT related projects. Consulted, analyzed and implemented information technology solutions for the company as the lead IT Systems Administrator.
• Configured and setup Cisco routers and switches for the company. Including Cisco ASA 5505, 5510, 5512. Utilized ASDM to monitor and configure the routers for the site. Configured Cisco 2950 and 2960 switches for the company to create VLANs and separate networks for the development team, the IT staff and administrative staff.
• Supported and ensured backups were completed every day, I was responsible for backups for the site. I utilized Symantec 2012 Backup Solutions to develop and maintain a regular backup schedule for our mission critical servers.
• Supported the Office 365 mail servers and account management for the company. Troubleshooting and resolving mail server issues and client email configurations, new accounts, shared calendars, removal of old accounts and distribution lists.
• Supported and configured DNS servers and web servers for the company on the corporate DMZ located at the offsite Co - location.
• Created new email accounts and added active users
• Created Email Groups, shared calendars, public folders within the Exchange Admin Center
• Utilized message traces to track and review message status between exchange and other email service providers
• Managed, created and supported Active Directory user accounts for the corporate domain.
• Managed computer accounts for workstations and servers across the corporate infrastructure.
• Modified and configured NTFS file permissions and shares for company file servers.
• Troubleshoot and remediate DHCP, DNS, WINS, and Replication issues on domain controllers for the corporate infrastructure.
• Built and configured domain controllers for the company infrastructure.
• Patched, remediated and installed software updates on the company servers
• Built, configured and implemented ESXi v6 hypervisor platform for the corporation to support and implement new Windows 2012 File Servers and Windows domain controllers.
• Utilized VSphere client to build virtual machines, add storage, configure network adapters and view the performance of the virtualized environment.
• Added vSphere standard switches to the virtualized environment and configured the network interfaces.
• Configuration and setup of ASA interfaces, console, SSH and telnet access.
• Configuration of site to site VPN tunnels, IKEv1
• Utilized and managed the corporate firewall using ASDM to maintain the company presence and access to the internet thru the ASA 5510.
• Created, removed and modified ACLs and NAT rules to allow inbound and outbound access for the corporate LAN to the internet.
• Managed and administrated the corporate office Cisco IP Telephony system.
• Utilized the Cisco Call Manager to troubleshoot IP telephony problems, add new telephones to the system, and new users.
• Maintained the configuration of the PSTN media gateway and voice port connectivity to the PSTN.
• Maintained, configured and managed the company Cisco (AP541N) wireless system access points.
• Supported and configured the Cisco small business pro wireless access points to authenticate users on the wireless network utilizing IAS and Active Directory.
• Managed, supported and configured VPN connectivity for corporate users utilizing Cisco VPN client version 5.0 and AnyConnect version 3.0.
• Highly skilled in the use of packet analyzers to troubleshoot network connectivity errors, excessive bandwidth usage and client server communication links.
• Utilized Wireshark and Microsoft Network monitor to capture all packet source and destination information, the protocol being utilized and any data sent in the packets on the network interface.
• Created Vlans, enabled and disabled ports on the corporate DELL Power Connect 6248 and Cisco 2960 Switches.
• Administered access, port security and Spanning Tree settings to provide user and workstation access to the corporate office.
• Managed, configured and administered daily backups for the corporate office. Scheduled Daily Full and Incremental backups for the corporate file and domain servers.
• Administered corporate IIS servers. Managed corporate web site
• Proficient in PHP, HTML and MySQL development
• Setup, configured and managed the corporate print servers.
• Documented and developed Visio diagrams of the corporate infrastructure, ESX and Virtual machine allocation and maps.
• Documented wireless and VPN connectivity settings for the corporate office and created word documents that instruct users how to access these features.

AVP Sr. Systems Administrator / Engineer

Confidential

Responsibilities:

• Adopts and practices the highest levels of ethical and responsible behavior to execute job requirements, meet enterprise computing system availability standards, and ensure the reliability of production services and applications.
• Positive work ethic and the ability to work independently with minimal supervision. I have excellent interpersonal, written, and verbal communication skills as well as very strong analytical and problem solving skills.
• Coordinated work assignments and prioritized workloads relating to multiple projects and maintained accurate work log reports. Documented work assignment status, tracked support issues, and created installation guides to upload to the team SharePoint site.
• Planned, coordinated, and performed enterprise system and application configuration, product updates, change requests for Tier-3 support issues and served as a central point of contact to follow up on technical incidents to report findings to management staff.
• Gathered, analyzed, and recommended enterprise system and application requirements to install, configure, and support new server and application implementations in production, acceptance testing, and development networked environments.
• Interfaced with internal corporate application owners, senior management staff, project managers, and development teams to plan and coordinate system and application updates and new initiatives.
• Plan, execute, and document infrastructure software / hardware updates that have been initiated by internal clients and employees for products currently in use by the corporation.
• Performs 24/7 on-call activities as needed for the environment and technologies.
• Highly experienced in the implementation, configuration, and remediation of servers in very large enterprise computing environments. Expert knowledge in the deployment of Microsoft windows server application, file, clustered and domain controller services.
• Highly experienced and knowledgeable in Microsoft Active Directory, DNS, WINS, and DHCP implementations and configurations.
• Expert knowledge of bare metal server build technologies and methodologies used to implement, configure, and troubleshoot enterprise computing platforms such as BladeLogic, HP ILO, IBM IMM and RDP.
• Expert knowledge in the configuration of Microsoft Windows (NT4, 2000, 2003, 2008, 2012) servers for application, file, domain controllers, and web server roles in large enterprise environments within corporate internal networks.
• Very experienced and knowledgeable of networking infrastructure configurations, support, and implementation. Analysis of large computing system requirements to troubleshoot communication errors between server components in multi-tier applications. (CCNA 2003). Utilized combinations of system utilities and specialized tools such as Wireshark and Network Monitor to resolve errors.
• Analyzes enterprise server configurations and recommends updates and patches to ensure that the computing environment is compliant with corporate enterprise standards. Ensured server services and application configurations met the most current, stable, and manageable settings for each specific environment such as production, development and test environments.
• Researches, participates in the design, implements, and tests technology solutions to resolve new server build and application implementations to meet corporate budget requirements, deployment deadlines, and specifications.
• Expert knowledge of IIS 7 Web Servers builds and administration. Highly skilled in troubleshooting IIS 7 web server communication issues and content access problems. I am highly skilled HTML, CSS, PHP, JavaScript, and MySQL programmer with a solid understanding of web services and frameworks supported by Microsoft web products.
• As part of an implementation team on specific projects, I utilized my web server administration and programming skills to help company web developer’s build, configure, and deliver web servers to clients in multiple environments including development, UAT, and production.
• Expert Hardware support and technical troubleshooting skills. I have been supporting computing hardware my entire career. I can quickly identify hardware issues and organize remediation procedures to restore functionality to a system.
• Expert knowledge of computing system architecture at the hardware level, I have been A+ certified since 1995. I routinely built complex RAID array configurations (0, 1, 5, 10) on physical servers. Configured Ethernet NIC teaming for redundancy and failover. Updated BIOS revisions and enabled or disabled BIOS features. I routinely identified and replaced defective server hardware components, updated drivers and resolved highly technical hardware errors utilizing vendor and OEM support options.
• Expert knowledge of electrical and electronic computing theory, I have over a year and half of military electronics classroom training. I have been supporting, configuring, and troubleshooting computing systems since the early 1990’s when I was trained on the support of 32 bit wire-wrapped GPDC (general purpose digital computers) for the military such as MAD, SRS, Radar, ESM, and IFF coding.
• Provided and advised project managers, junior support technicians, and management teams on the optimized configuration of server hardware, TCP-IP addressing schemes, and LAN or VLAN assignments for new servers in the enterprise computing environment.
• Highly experienced in SAN storage configurations for physical servers. Configuration of Emulex HBA 4/16 GBps light pulse adapters and WWN identification. Installed and configured Emulex multi-path software and configured Active/ Active or Active/Passive HBA settings to meet project specifications. In depth knowledge of storage concepts and support issues relating to SAN fabric connectivity.
• Worked with the SAN storage team to mount or un-mount physical storage for SQL servers and shared cluster data. Formatted and identified new storage on existing production servers or new server projects.
• Highly experienced in Virtual machine and Virtual Center management, I have been working with and configuring virtual machine servers since the earliest versions of the product became available for Windows NT4 (version 2) (GSX server).
• I am educated and experienced in the VMware 3.5 installation and configuration service options that have been available since 2008. I have configured and optimized virtual machines using the Virtual Center Management interface as well as the client. I have utilized and optimized virtual machine settings using the web interface to set memory and storage options as well as boot options.
• Very experienced in the use of various VM Windows server build utilities such as Viewpoint, CHP, and VCAC. Experienced in Vmotion and migration utilities to move servers and applications between hosts on the enterprise environment. Knowledgeable in DRS, High Availability, cloning, storage options, and redundancy configurations.
• Solid experience and knowledge of TCP-IP port security principles. Utilized operating system firewall applications to enhance and harden communication policies of enterprise servers on the internal corporate domain. Configured IPSEC security policies on servers in the corporate DMZ and resolved communication issues between multi-homed web servers and backend SQL server content services.
• Worked on a team that configured and deployed enterprise server certificates throughout the corporate domain and ensured proper operation of servers and applications in the DMZ and internal corporate domain.
• Very skilled in Scripting and programming, I am proficient in several programming languages including PowerShell, batch programming, Windows Scripting Host, C, Java, Objective C, PHP, JavaScript. I routinely look for opportunities to reduce server configuration thru the use of scripts and framework APIs. Highly skilled in the analysis of automating routine administrative processes and scheduling tasks on servers using service accounts. Highly Skilled Object Oriented Objective C IPhone Programming Skills utilizing XCODE IDE specializing in CORE DATA (SQLite) implementations.
• Supported various applications through out the enterprise such as Corporate human resources web servers, Antivirus Services, Replication Services (Repliweb), EMC Avamar VM backup solutions, IBM director, Introscope, and Veritas backup solutions.
• Expert level troubleshooting and analysis skills. I have been supporting, configuring and implementing computing systems since the 1990’s as an avionics technician in the service. I can quickly analyze networked or stand-alone computer systems issues using a combination of several system utilities and generate a root cause analysis.
• Solid understanding of TCP/IP troubleshooting, DNS name organization, DHCP server configurations and common network services.
• Manages system/application environment and ongoing operations thru the use of various support ticket applications such as Remedy, Maximo, ITSM. Manages problem or escalated tickets and tasks and out of cycle requests from systems/software owners.
• Troubleshoots software and/or hardware server operating system and application issues and failures.
• Resolves alerts and performs remediation activities on file, domain, application and web servers within the corporate LAN/WAN network.

Sr. Distributed Computing Analyst

Confidential

Responsibilities:

• Detailed knowledge and understanding of networking concepts associated with connectivity, installation and troubleshooting of LAN/WAN in a multi-protocol environment at all Layers of the OSI model.
• Strong ability to work in a team environment and customer service oriented. Able to effectively communicate orally and in writing technical and administrative documentation of plans and deployment strategies.
• Expert knowledge, implementation, and support experience in multiple Windows platforms. Microsoft Windows NT4, 2000, and 2003 Active Directory, MSCS Clustering Support and configuration, DFS, WINS, DHCP, DNS, IIS v5, IIS v6, Routing and Remote Access and VPN technologies.
• VMWare ESX Server Administration (500+ virtual servers) versions 2.5 and 3.0 with strong virtualization experience. VMWare Physical to Virtual Server conversion tools as well as Virtual Center 1.3 and 2.0. VMotion and VMWARE console configuration.
• Performed installation, configuration and deployment of Windows Domain Controllers, DNS servers, Cluster Servers and VMWare host platforms on HP and Dell Server platforms. Redundant RAID configurations 0, 1, 5.
• Detailed knowledge of VMWARE ESX servers including System Administrator Support, installation, configuration and fault isolation procedures using analyses, resolution methods, and diagnostic tools to provide timely resolution to problems within the production environment.
• Detailed knowledge of data communication through HBAs to SANS, Network Attached Storage. Specific HBA skills include ability to upgrade firmware, install boot BIOS and configuration and enabling of the boot BIOS to boot from SAN.
• Troubleshooting and support of server and network communications at all communication layers and services.
• Responsible for Network management support of complex and diverse networks from private to public and DMZ infrastructures.
• Identified major malfunctions within the managed networks and utilized technical experience to isolate problems while coordinating with all organizations involved for restoring customer services. Analyzed and implemented network infrastructure solutions by configuring routers, switches, and other devices installed on the network.
• Provides technical reports to management as required.

  Technical experience in troubleshooting and providing technical support on CISCO network routers and switches, TCP/IP protocols.

• Worked with the network security department to coordinate the identification and mitigation of Windows operating system security flaws using Qualys and Nessus Vulnerability scanning tools.

Sr. Network Engineer- Site Administrator

Confidential

Responsibilities:

• Domain Administration and Network engineering services for the government Microsoft Active Directory organization. I am a highly skilled and experienced information technology Sr. network engineer with experience in many operating systems and hardware platforms.
• Advanced Windows server 2003 support and configuration including Exchange 2003 Server installations and support, Microsoft Routing and Remote Access Servers, Network address translation servers, Active Directory Enterprise and Standard 32 and 64 bit server configurations.
• Implemented Dell PowerEdge1855 Blade servers into the government network infrastructure with 32 and 64 bit Windows 2003 Server Standard and Enterprise versions. Configured DRAC and IP KVM components to allow remote TCP/IP access and configuration.
• Advanced configuration and implementation of Cisco 2921 and 2600 routers on the government network including security access control lists on outbound and inbound interfaces. Multiple interface TCP / IP addressing and subnet configuration. Expert level knowledge of TCP/IP, OSI model, Firewall and Windows Server configurations.
• Evaluation and configuration of cutting edge technologies such as VMWARE workstation 5.5 virtual servers and virtual desktop machines in a test environment for evaluation and possible implementation into the network infrastructure.
• Configuration and Installation of Cisco 2900 and 2950 switches. Advanced switch configuration including VLANs, Spanning Tree Protocol, VLAN trunking and MAC address security. Sr. Systems Engineer responsibilities include management of WSUS Server and client desktop updates.
• Daily responsibilities include Norton Antivirus Server management and virus infection resolution of 500 client Workstations.
• Print server management.
• Windows 2003 Active Domain Controller Management at the local site.
• Share Portal 2003 Web Server Management and Microsoft Front Page 2003 web page design.
• Managed a single SMS 2003 site server with 500 personal computers.
• SQL 2000 Server Database administration and ODBC between the Help Desk client systems and Database.
• Provided and generated weekly and monthly system status reports to the government.
• Managed 11 employees for the support contract and provided senior level advanced network and system troubleshooting support for the company and government IT department. Interviewed and approved new employees for the company and conducted weekly meetings to discuss important company issues.
• Developed and implemented a transition project plan for the company to assume additional support responsibilities from the government using a combination of organizational tools including Microsoft Visio 2003 and Project 2003.

Network Administrator

Confidential

Responsibilities:

• Microsoft Active Directory, Windows Server and workstation environments (all versions), Windows Security practices and procedures, File and Print Services, IISv6, SMS, Proxy Server, Terminal Server, IPSEC, DNS, WINS, and DHCP.
• Cisco Routing and Switching concepts and implementation procedures, Access Control Lists, Trunking configurations, RIP, IGRP, OSPF, VTP, STP.
• Cisco 802.1q, ISL, Trunking and VLAN management using the IOS versions 11.0 - 12.0. Cisco series 2500, 2600, 3600 router management and configuration.
• Firewall and internet security appliance configurations and implementations using Watchguard Fireboxes and SonicWall devices, Cisco routers and ACLs. TCP-IP network subnet planning and configuration.
• Contivity VPN client configuration and support for internal LAN/WAN and external VPN networks.