David Marchig

DDI Engineer at PC Network, Inc.
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Contact Information
us****@****om
(386) 825-5501
Location
Philadelphia, Pennsylvania, United States, US
Skills

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Credentials

  • Core DDI Advanced Troubleshooting (CDAT)
    Infoblox
    Mar, 2019
    - Nov, 2024
  • BlueCat Advanced Certified Professional (BACP)
    BlueCat
    Jun, 2015
    - Nov, 2024
  • Microsoft Certified Systems Administrator (MCSA)
    Microsoft
    May, 2004
    - Nov, 2024
  • CompTIA A+
    CompTIA
    Jan, 2002
    - Nov, 2024

Experience

  • PC Network, Inc.
    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • DDI Engineer
      • Jan 2014 - Present

      DDI Engineer - Work in a team of six engineers, providing 24x7 DDI Operational support and administration of DDI platforms for six multi-national clients. - Perform routine DDI MACDs, execute planned changes, and Incident response / troubleshooting as needed. - Proactive monitoring of clients’ DDI systems. Response to and remediation of warnings / alerts. - 3rd shift lead engineer. Responsible for training and mentoring Junior engineers. DDI Engineer - Work in a team of six engineers, providing 24x7 DDI Operational support and administration of DDI platforms for six multi-national clients. - Perform routine DDI MACDs, execute planned changes, and Incident response / troubleshooting as needed. - Proactive monitoring of clients’ DDI systems. Response to and remediation of warnings / alerts. - 3rd shift lead engineer. Responsible for training and mentoring Junior engineers.

  • Independence Blue Cross
    • United States
    • Insurance
    • 700 & Above Employee
    • Sr. Windows Server Engineer
      • Jun 2007 - May 2012

      Sr. Windows Systems Engineer / Lead Directory Engineer - Administered a Windows 2008 Native-mode Active Directory Forest consisting of 3 sites, containing 800 W2008 and W2003 infrastructure and application servers, 14 Domain controllers running 4 Domains, 6000 XP workstations, and approximately 10000 user accounts. - Designed, implemented, and administered Corporate DNS solution using Infoblox DNS/DHCP appliances, replacing the obsolete DNS solution with absolutely no downtime or user disruption. - Flawlessly executed the in-place upgrade of the existing Windows 2003 Active Directory Forest to Windows 2008 Native-mode with no data loss, user disruption, and 2 months ahead of schedule. - Provided 3rd-level Active Directory support to Help Desk and Tier 2 support personnel, as well as to other infrastructure and application departments, i.e. Network, Messaging, Security, and Database groups. - Provided Tier 2 and 3 support for PC Technical staff for DNS/DHCP issues. Trained PCs techs as needed. - Designed, implemented, and administered a backup solution using Quest Recovery Manager, protecting the Corporate Active Directory infrastructure and performing emergency restores as needed. - Personally responsible for the monthly security patching of all Domain Controllers, WINS servers, and DNS appliances. - Redesigned Disaster Recovery procedures for Corporate Active Directory infrastructure and successfully performed Disaster recovery exercises every six months in compliance with Industry regulations. - Provided expert-level Windows Server and OS support to fellow team members and other IT personnel as needed / requested. Show less

  • Philadelphia Housing Authority
    • United States
    • Real Estate
    • 300 - 400 Employee
    • Windows System Administrator
      • Sep 2006 - Jun 2007

      Network Administrator - Administered a Windows 2000 Mixed-mode Active Directory domain consisting of 6 sites, containing 1500 W2K and WXP workstations, 9 W2K Domain controllers, and 70 W2K and W2003 Enterprise servers. - Implemented and administered an Enterprise backup system utilizing EMC Legato Networker 7.53 and an HP ML5055 Tape library; protecting 5TB of Company data. - Responsible for network asset management, application software and security patch deployment using LANDesk 8.6 Management Suite. - Basic administration of HP EVA8000 and 5000 SAN devices. - General administration of 45 application servers, running Windows NT 4.0, 2000 Advanced, and 2003 Enterprise Server. Show less

  • Fiserv Securities
    • Greater Philadelphia Area
    • Windows System Administrator
      • May 1999 - May 2006

      Network Administrator (Oct 2001 – May 2006) - Planned and executed the migration of the existing NT4 Domain to Windows 2000 Active Directory. - Upgraded the existing network infrastructure (DNS, WINS, & DHCP) to Windows 2000 servers. - Administered a Windows 2000 Mixed-mode Active Directory domain consisting of 3 sites, containing 600 W2K and WXP workstations, 6 W2K Domain controllers, 6 NT BDCs, and 60 W2K Advanced and NT 4 servers. - Designed, implemented, and administered a Native-mode Windows 2000 AD Domain consisting of 2 sites, containing 35 W2K workstations and 4 W2K Advanced servers. - Designed, implemented, and administered a Windows 2003 two-node File Server cluster. - Designed, implemented, and administered two Windows 2K Print servers, supporting 100 print devices. - Implemented and administer NetIQ monitoring server. Configured monitoring and event notification for 70 Production servers to minimize downtime. - Designed, implemented, and administered an Enterprise backup system utilizing Veritas Netbackup Datacenter 4.5 and Exabyte X200 Tape library, StorageTek L700 and L180 Tape libraries; protecting 1TB of Company data of the internal LAN and 500GB of Production SQL customer databases. - Administration of five database servers running SQL Server 2000. - General administration and maintenance of Exchange 5.5 and Exchange 2003 email servers. Network Operations Supervisor (Jan 2001 – Sept 2001) - Managed a team of 7 Network Technicians, providing Level 1 desktop support to 600 client workstations. - Personally handled all emergency network issues and workstation support for Senior Management. - Provided Level 2 support to LAN Technicians as needed. - Created and maintained documentation of PCLAN troubleshooting practices and software installation procedures. - Assisted Corporate LAN manager in the creation and enforcement of LAN policies and procedures. - Responsible for evaluation and purchase of PC equipment and software company-wide. Show less

  • Bundy Computer Co.
    • Greater Philadelphia Area
    • PC Repair Technician
      • Aug 1995 - May 1999

      Service Manager / Lead PC Technician - Managed a team of 3 technicians, providing break/fix repair of Apple Macintosh computers and Intel PCs for retail customers. - Provided Customer Service and phone support for Service customers. - Operated Service Desk, coordinating all shop repairs and service calls. - Administered submission of warranty repair claims. - Assisted Senior Technician with service calls involving LAN configuration / support. - Maintained Company Macintosh-based TCP/IP LAN. Show less

Education

  • Community College of Philadelphia
    Associate of Arts and Sciences - AAS, Digital Electroincs Engineering
    1990 - 1993

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