Chris Stapleton Email & Phone Number

Gaithersburg, Md, Us

Gaithersburg, Md, Us

Senior Network Engineer, PDSForensic analysis for the Public Defender Service of the District of Columbia’s (PDS) network infrastructure. Focus on existing infrastructure evaluation and presentation of engineering recommendations for stabilizing the network in preparation for an agency wide business continuity initiative with focus on disaster recovery and failover to a third-party recovery facility.All areas of PDS network must be analyzed for failover considerations:• Analyze functional areas of PDS firewalls for consolidation to the recovery site. Design migration approach for firewall rules and inter-agency site to site VPNs to a fault tolerant Cisco ASA configuration.• Identify and document mission critical PDS services to provide the baseline for services to come online in the event a disaster is declared.• Identify server farm resources needed for failover and recommend optimal procurement processes.

Senior Network Engineer, Wright Solutions Forensic analysis for the Public Defender Service of the District of Columbia’s (PDS) network infrastructure. Focus on existing infrastructure evaluation and presentation of engineering recommendations for stabilizing the network in preparation for an agency wide business continuity initiative with focus on disaster recovery and failover to a third-party recovery facility.All areas of PDS network must be analyzed for failover considerations:• Analyze functional areas of PDS firewalls for consolidation to the recovery site. Design migration approach for firewall rules and inter-agency site to site VPNs to a fault tolerant Cisco ASA configuration.• Identify and document mission critical PDS services to provide the baseline for services to come online in the event a disaster is declared.• Identify server farm resources needed for failover and recommend optimal procurement processes.

Bethesda, Maryland, Us

Manage all network operations, including Windows servers and applications, Microsoft exchange 2007 administration, Disaster Recovery, and voice and audio-visual systems. Led the implementation of Double Take business continuity engineering efforts of mission critical systems, with failover site located at Recovery Point Systems; Managed and optimized DataDomain NAS which was a comprehensive repository of all valuable corporate information.Managed the Disaster Recovery vendor relationship to ensure continuity.Led end-user email sizing requirements workshops, articulating best practices for overall network security, while educating end-users to better use email as a business tool, rather than a file system. Introduced archiving and industry best-practices to limit mailbox size and individual email size limits.Evaluated and documented current state and presented future state recommendations of IT assets for annual budgetary planning based on HR staffing projections, license renewal requirements, and asset end-of-life considerations.Managed and executed current and upcoming IT projects, including the hardware acquisition, licensing, and project scheduling.Consistently ensured optimal performance of the Avaya VoIP PBX administration, VM ESX 3.5 Infrastructure, Data Domain SAN for backups, Cisco ASA firewall, and enterprise backup utilizing Veritas Backup Exec 10.Ensured adherence to corporate security requirements throughout the network infrastructure.

Provided support for all Cisco PIX and ASA firewalls for the Department of Homeland Security (DHS) Citizenship and Immigration Services (CIS) division. Identified data flows currently in place with DHS's CIS network to facilitate the lockdown of the USCIS firewalls. Managed firewall diagrams and supporting documentation currently in place and for desired future state. Prepared authorization paperwork for opening ports necessary for USCIS data traffic. Collaborated with DHS subject matter experts to identify needs of the organization for data traffic to support USCIS communications.Held Public Trust security clearance.

Led the network engineering efforts in support of LAN/WAN. Designed and implemented an infrastructure restructuring, enhancing network performance through the segregation of network traffic to optimize office activities (separating engineers from administrative users), by:The upgrade from Cisco 3550s to a 4507 backbone with VLANs across all of the equipment, andInstituting a new VLAN for an Avaya VoIP phone system.Successfully migrated the corporate firewall from a Watchguard firewall to a Cisco ASA firewall.Researched, presented recommendations and championed the complex upgrade of the corporate ISP from a single T1 to a DS3, involving both a change in carriers and a change in IP address space.Received a recognition bonus for a seamless transition and accelerated network performance following the upgrade.Configured and maintained all network communications equipment, including 40 Microsoft Windows 2003 servers, and 300 Microsoft Windows XP Workstation clients.Managed the mail service via Microsoft Exchange and Outlook clients, Web services via Microsoft IIS and managed the network infrastructure, which consisting of LAN switches (Cisco Catalyst 3550 and 4507) Cisco Routers, and Cisco ASA firewalls. Applied expertise in switching and routing technologies, firewall, Web administration, mail services, troubleshooting, and network operating systems to maintain optimal performance across the network infrastructure.

Fully responsible for all network communications equipment and server administration.Led the successful implementation of network performance management products for Paradigm's infrastructure, improving visibility into network optimization.Optimized and maintained Microsoft ISA firewalls.Evaluated and documented current state and presented future state recommendations of IT assets for annual budgetary planning based on HR staffing projections, license renewal requirements, and asset end-of-life considerations.Managed and executed current and upcoming IT projects, including the hardware acquisition, licensing, and project scheduling.Planned and implemented disaster recovery/fault tolerance across three sites. Managed and administered network security using 2003 Active Directory with Exchange 2003.Created and facilitated a consistent schedule for backups using Veritas Backup Exec.

Bseet, Engineering

Engineering

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Education record