Email: david_mistretta@yahoo.com
Skills:
Firewall Technologies, Security Vulnerability Testing, System Hardening, Management Systems, HP OpenView NNM, MicroMuse NetCool, NetIQ AppManager, Perl, VBScript, Solaris 2.x, Linux, Apache, Cisco Routers/Switches, Routing protocols, Networking, MS Exchange Server 4/5/5.5/2000/2003, MS SQL Server, WebTrends, Microsoft NT/2000/2003
Experience:BlueWave Computing – November 2001 to Present
Senior Network Engineer
--Lead Engineer and technical contact for Managed Firewall Service offering for over 100 clients. Firewall implementations include Cisco PIX, Checkpoint FW1, NetScreen, WatchGuard, GTA GnatBox.
--Perform security reviews utilizing nmap and post-mortem of successful attacks.
--Perform Pre-Sales technology reviews. Guide customers in their business decisions and technology issues.
--Lead Engineer for over 100 servers.
--Design, implementation, migration and support of business networks utilizing Frame Relay, DSL, Full and Integrated T1, Site to Site VPN's, server implementation utilizing primarily Microsoft Windows operating systems, and security implementation.
--Maintain day to day operability of all systems and applications including all versions of Windows Server, Exchange Server, and SQL Server. Utilize VBScript to automate tasks where possible.
--Mentor and supervise junior and mid level engineers and perform 3rd level support
Senior Network Engineer
--Lead Engineer and technical contact for Managed Firewall Service offering for over 100 clients. Firewall implementations include Cisco PIX, Checkpoint FW1, NetScreen, WatchGuard, GTA GnatBox.
--Perform security reviews utilizing nmap and post-mortem of successful attacks.
--Perform Pre-Sales technology reviews. Guide customers in their business decisions and technology issues.
--Lead Engineer for over 100 servers.
--Design, implementation, migration and support of business networks utilizing Frame Relay, DSL, Full and Integrated T1, Site to Site VPN's, server implementation utilizing primarily Microsoft Windows operating systems, and security implementation.
--Maintain day to day operability of all systems and applications including all versions of Windows Server, Exchange Server, and SQL Server. Utilize VBScript to automate tasks where possible.
--Mentor and supervise junior and mid level engineers and perform 3rd level support
PSInet – November 2000 to November 2001
Senior Tools Engineer
--Responsible for risk assessment, security scanning, vulnerability testing, and hardening of infrastructure components using various methods including nessus, nmap, and custom perl scripts.
--Implemented information security measures and patch management.
--Successfully implemented monitoring of 130+ servers.
--Design, implementation and utilization of NMS technologies, including MicroMuse NetCool, ISM, NetIQ AppManager, NetIQ WebTrends and various monitoring and reporting packages to ensure SLA agreements.
--Successfully integrated NetIQ AppManager with NetCool Omnibus by customizing knowledge scripts and NetCool Rule files to parse required information
--Successful reengineering of the WebTrends environment to allow for load balancing and fault tolerance.
--Daily administration tuning, and maintenance of all EMS systems which run on a mix of NT, 2000, Solaris, Linux, HP-UX.
Senior Tools Engineer
--Responsible for risk assessment, security scanning, vulnerability testing, and hardening of infrastructure components using various methods including nessus, nmap, and custom perl scripts.
--Implemented information security measures and patch management.
--Successfully implemented monitoring of 130+ servers.
--Design, implementation and utilization of NMS technologies, including MicroMuse NetCool, ISM, NetIQ AppManager, NetIQ WebTrends and various monitoring and reporting packages to ensure SLA agreements.
--Successfully integrated NetIQ AppManager with NetCool Omnibus by customizing knowledge scripts and NetCool Rule files to parse required information
--Successful reengineering of the WebTrends environment to allow for load balancing and fault tolerance.
--Daily administration tuning, and maintenance of all EMS systems which run on a mix of NT, 2000, Solaris, Linux, HP-UX.
Verso Technologies – March 1999 to November 2000
Systems Architect
--Implementation and maintenance of Verso's internal NOC, utilizing Open NerveCenter, MicroMuse NetCool, NetIQ AppManager 3.4, customized Perl and VBScript scripts.
--Security vulnerability scanning and correction of all NOC systems
--Implementation of ESoft and Technologic firewalls, routers, encrypted VPN links between data centers.
--Maintenance of internal NOC network including network design, , WAN circuits, administering Solaris, Linux, Windows NT, Windows 2000 for both lab and production networks, designing and maintaining SQL databases, and patch management.
--Assist in creation of ASP software offerings containing required features and necessary modifications, supporting the service launch process by developing high availability and load balanced infrastructure requirements for products selected for ASP service offerings, creating supporting documentation to substantiate findings and provide rollout procedures, providing technical advice to supporting departments to implement the application.
--Utilized and maintained testing platforms including Unix/Linux, Solaris 2.x, Windows NT 4.0, Windows 2000 Server, SQL Server 6.5 and 7.0, Exchange 5.5, Site Server, IIS, Clustering and Load Balancing services.
--Built a web-enabled helpdesk utilizing ASP pages and SQL.
Systems Engineer
--Work with internal and external clients to determine hardware and back office software needs, document project and implementation plans, perform implementations and post project support.
--Projects include rollouts of Microsoft Exchange 5.5 with Web Access, Windows NT 4.0, Solaris 2.x, Linux, Office 2000, Office 2000 via Citrix MetaFrame, DNS services, WAN redesigns utilizing Cisco, creating network diagrams, and managing ESoft and Technologic Firewalls.
Systems Architect
--Implementation and maintenance of Verso's internal NOC, utilizing Open NerveCenter, MicroMuse NetCool, NetIQ AppManager 3.4, customized Perl and VBScript scripts.
--Security vulnerability scanning and correction of all NOC systems
--Implementation of ESoft and Technologic firewalls, routers, encrypted VPN links between data centers.
--Maintenance of internal NOC network including network design, , WAN circuits, administering Solaris, Linux, Windows NT, Windows 2000 for both lab and production networks, designing and maintaining SQL databases, and patch management.
--Assist in creation of ASP software offerings containing required features and necessary modifications, supporting the service launch process by developing high availability and load balanced infrastructure requirements for products selected for ASP service offerings, creating supporting documentation to substantiate findings and provide rollout procedures, providing technical advice to supporting departments to implement the application.
--Utilized and maintained testing platforms including Unix/Linux, Solaris 2.x, Windows NT 4.0, Windows 2000 Server, SQL Server 6.5 and 7.0, Exchange 5.5, Site Server, IIS, Clustering and Load Balancing services.
--Built a web-enabled helpdesk utilizing ASP pages and SQL.
Systems Engineer
--Work with internal and external clients to determine hardware and back office software needs, document project and implementation plans, perform implementations and post project support.
--Projects include rollouts of Microsoft Exchange 5.5 with Web Access, Windows NT 4.0, Solaris 2.x, Linux, Office 2000, Office 2000 via Citrix MetaFrame, DNS services, WAN redesigns utilizing Cisco, creating network diagrams, and managing ESoft and Technologic Firewalls.
Entex Information Services – June 1998 to March 1999
Systems Engineer
--Assisted Fortune 1000 companies with various client and server side rollouts and system administration.
--Projects included software distribution, virus protection planning, 3rd level support, server and network administration including hardware upgrades.
Systems Engineer
--Assisted Fortune 1000 companies with various client and server side rollouts and system administration.
--Projects included software distribution, virus protection planning, 3rd level support, server and network administration including hardware upgrades.
Harbinger Corporation – August 1995 to June 1998
Senior Systems Engineer
--Implemented applications based on Windows NT 4.0 and Solaris and utilizing Microsoft SQL, Oracle DB and various 3rd party software.
--Supported and secured all aspects of hardware and software including patch management.
Systems Engineer
--Successfully managed migration from Microsoft Mail 3.2 to Microsoft Exchange 4.0. Upgraded to Exchange 5.5 and Outlook with OWA.
--Created and implemented backup solution utilizing Cheyenne Arcserve.
--Projects included identifying needs, choosing hardware and software, and complete setup. Administered and supported a 300+ node network involving multiple sites using varying network operating systems including Novell Netware, Windows NT Server.
--Support of physical network consisting of Cisco routers and switches Support Engineer
--First Level end user support for hardware and software.
Certifications:Senior Systems Engineer
--Implemented applications based on Windows NT 4.0 and Solaris and utilizing Microsoft SQL, Oracle DB and various 3rd party software.
--Supported and secured all aspects of hardware and software including patch management.
Systems Engineer
--Successfully managed migration from Microsoft Mail 3.2 to Microsoft Exchange 4.0. Upgraded to Exchange 5.5 and Outlook with OWA.
--Created and implemented backup solution utilizing Cheyenne Arcserve.
--Projects included identifying needs, choosing hardware and software, and complete setup. Administered and supported a 300+ node network involving multiple sites using varying network operating systems including Novell Netware, Windows NT Server.
--Support of physical network consisting of Cisco routers and switches Support Engineer
--First Level end user support for hardware and software.
MCSA 2003 -2004
MCSE 4.0 – 1998
A+ –1994
Training: MCSE 4.0 – 1998
A+ –1994
Building Scalable Cisco Networks (BSCN) – July 2001
NetIQ AppManager 4.0 – June 2001
NetIQ AppManager 3.4 – May 2000
CCNA – February 2000
MS SMS 2.0 – November 1999
Compaq StorageWorks Enterprise Storage – June 1999
MS Exchange 4.5 – January 1997
Education:NetIQ AppManager 3.4 – May 2000
CCNA – February 2000
MS SMS 2.0 – November 1999
Compaq StorageWorks Enterprise Storage – June 1999
MS Exchange 4.5 – January 1997
Gwinnett Technical Institute – January 1994 to March 1995
Dekalb College – March 1992 to January 1993
Dekalb College – March 1992 to January 1993
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