TECHNICAL SKILLS

Hardware: AS/400, 9336/9337 Disk Units, IBM 4381 - 91E, 3725 communication Controller, 3380 DASD, 3480 Tape Drives, 3820 & 3816 Laser Printers, 3174 Terminal Controllers and PS/2 Personal Computers.

Software: IBM OS/400, Office Vision, Performance Tools, Communications Utilities, PC Support and ASI ADDM for the AS/400. IBM VSE/ESA, CICS, VTAM and NCP, EPIC, Computer Associates Datacom/DB & EPIC on the System/370. Many popular software packages for the Personal Computer.

Telecommunications: Cisco Routers, Network General Sniffer, 16mb Token Ring, T1, Fractional T1, Analog Service, SNA IPX, TCP/IP, SDLC (both switched and leased), BSC switched and Async switched connections.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, Illinois

Lead Member of Technical Support

Responsibilities:

• Lead architect for the Virtualization Lab development environments.
• Virtualization Lab is being created to provide an environment for groups within CSO to develop services utilizing the Openstack platform and other open source projects.
• Virtualization environments consist of:
• Openstack - Ansible deployed version of Openstack.
• Redhat Openshift with Redhat Openshift Container Storage.
• Openstack-Helm deployed version of Openstack, Ceph and Kubernetes clusters.
• KubeADM Kubernetes cluster.
• VMware ESXi clusters, utilizing vCenter.
• Created lab environments in both Atlanta, GA and Middletown, NJ.

Principle Member of Technical Support

Confidential

Responsibilities:

• Confidential &T Mobile Security: Service provides secure access into the enterprise via smart devices (i.e. phone, tablet, etc.). Lead architect for the host platform.
• Network Based Firewall: A multi-tenant firewall in the cloud solution in which we insert a default route into the customer network causing all their non-enterprise routed traffic to exit through out firewalls.
• Secure E-mail Gateway: Mail gateway service that utilizes McAfee software to perform SPAM and Anti-Virus filtering of customer mail.
• Confidential &T Mobile Security: Service provides secure access into the enterprise via smart devices (i.e. phone, tablet, etc.). Lead architect for the host platform.
• Responsible for host hardware and software support.
• Design and implementation of Openstack virtual compute environment.
• Design and implementation of VMware ESX virtual server environment.
• Design and implementation of storage area network. Including the setup of EMC and Hitachi storage arrays running on fibre channel and FCoE networks and Ceph storage clusters.
• Production data center build for Sun hosts, Intel server based chassis, servers and I/O devices, including OS load, and device configuration.
• Primary developer and implementation of Xymon open source monitoring software. Including, creating devmon templates for SNMP polling of all non-host devices.
• Lab responsibilities include racking, power management, serial console setup, network cabling and switch configuration for new devices.

Confidential

Senior Technical Architect

Responsibilities:

• Designed and implemented custom network access between Confidential &T's secure network and customer networks utilizing B2B VPN, client VPN and firewall solutions.
• Provided application integration support for server to server communication.
• Re-designed the test and development environments for a large ticketing system to allow for multiple development and test cycles. The new design took advantage of current capacity to increase capability, all while delivering a functionally superior solution.
• Completed performance testing for several major releases of the internally developed ticketing application.

Senior Technical Team Lead

Confidential

Responsibilities:

• Lead the effort to migrate several highly integrated services to a new data center. Primary responsibilities included: Data Center Layout, Network Design, Infrastructure Implementation and Mail Services Migration. Based on the scope of this project and the requirement to maintain service availability, an implementation time table of six months was very aggressive. All services were successfully migrated with minimal service interruption, on time and within budget.
• Designed, planned and implemented a network security scheme. Multiple network layers with layer 3 filters were implemented to isolate server to server traffic.
• Designed the infrastructure for and installed the hardware and software to support the Managed Personal Firewall service. The service is based on Zone Labs Integrity Advanced Server. Load balanced Apache web servers were used to manage client connections and serve the administration web page.
• Implemented an Instant Messaging platform based on the Jabber Commercial Server and utilizing LDAP & Oracle backend processes.
• Aided in the migration of the Internet mail service from a proprietary system to an Confidential &T Labs developed SMTP/POP/IMAP solution (Maillennium). The migration consisted of moving two million mailboxes and changing out the inbound & outbound SMTP MTAs to Maillennium MTAs. The migration included a switch to LDAP for user authentication.
• Implemented a monitoring system using open source utility Big Brother. Big Brother allowed us to consolidate the monitoring of several different OS platforms into a single system. Also wrote environment specific monitors in Perl and integrated them into Big Brother.
• Implemented Brightmail Anti-spam and Anti-virus filtering and Maillennium user filters as an enhancement to both our POP3/IMAP and SMTP Mail Relay e-mail services.
• Provided implementation support for the migration of SMTP Mail Relay from the sendmail to Maillennium.
• Wrote tools to automate system maintenance processes using Perl and Korn shell. These tools included scripts to detect and block spam automatically.

Confidential, Schaumburg, Illinois

Senior Technical Staff Member

Responsibilities:

• Implemented the SMTP Mail Relay service to allow customers on the IBM customer secure network to transfer SMTP mail to the Internet, without the security exposure.
• Installed and supported a Dial SMTP mail platform based on MS Exchange 5.5. Utilized Microsoft Cluster technology to add stability and eliminate Exchange as a single point of failure.
• Supported a DB/2 database running on Microsoft Windows NT. The DB/2 instance provided storage for registration, connection and message tracking data.

Confidential, Schaumburg, Illinois

Technical Staff Member

Responsibilities:

• Provide support for five corporate AS/400 systems and technical assistance to customers utilizing the Confidential Network. Major AS/400 support areas include communications of all types, performance tuning and security.
• Support OS/2 based cc:Mail system providing customer to customer transfer of mail through Confidential .
• Support 150+ 9370 systems used to transfer credit card transactions from customer systems and another 30+ Print shop systems.