SUMMARY:

• A Quality - Driven Professional with over 25 years of diversified Information Technology experience.
• Highly detailed and motivated with extensive experience in the design, architecting and implementation of Confidential mainframe Communication Server networks.
• Recognized as a Self-Starter and adapts well within a professional or Remote Support setting.
• Strong belief in Company loyalty & professional integrity.

PROFESSIONAL EXPERIENCE:

Confidential,Northbrook IL,Hudson, OH

Senior Mainframe Network Engineer

Responsibilities:

• SME providing 3rd tier Mainframe Networking Support.
• Responsibilities included, z/OS Communications Server support for Releases 1.12 - 2.2. VTAM and TCP/IP performance and Tuning, Process improvement, Problem resolution, Documentation.
• Configured and supported TCP/IP. Other applications or functions included Static and Dynamic Routing (OSPF / OMPROUTE), SVIPA, DVIPA, DDVIPA (Sysplex Distributor),VIPAROUTE, FTP, FTPS, Telnet (secured/TLS and unsecured), TN3270 and Unix System Services (USS).
• Configured and supported VTAM, APPN, Enterprise Extender (EE), Hipersockets and OSA.
• Technical Lead for z/VM and Linux on z, proof of concept.
• Followed all Change Control processes using Service Now. Provided On-call support - rotating schedule.
• Experience with Microsoft Office Tools including creation, updating of design diagrams using VISIO.
• Software support for several Confidential and NON- Confidential products, including but not limited to: Session Manager, VTAM Switch, RexxTools, TADz, JOBSCAN
• Basic understanding of z/OSMF

Confidential,Cleveland,Ohio

Linux on System Z (zLinux) Systems Administrator

• SME on a multi-person team providing 3rd tier Mainframe Support for several Fortune 500 company accounts.
• Responsibilities included, Redhat, SUSE Systems Administration on System Z, Tivoli Tool installations (ITM, TAD4D, TSM, WTX). Connect:Direct for zLinux

Confidential,Cleveland,Ohio

Senior Network Architect

• SME on a multi-person team providing 3rd tier Mainframe Support for several Fortune 500 company accounts.
• Responsibilities included, z/OS Communications Server support for Releases 1.9 - 1.12. VTAM and TCP/IP performance and Tuning, Process improvement, Problem resolution, Documentation and team training.
• Configured and supported TCP/IP with both INET (single stack) and CINET (multiple stack) environments, other applications or functions included Static and Dynamic Routing, OSPF, SVIPA, DVIPA, DDVIPA (Sysplex Distributor),VIPAROUTE, FTP, SFTP, Telnet, TN3270, SMTP, OSA/SF and IPSec (Policy Agent) SSL TLS.
• Configured and supported VTAM, APPN, Enterprise Extender ( EE ), Hipersockets and OSA
• Configured and supported Tectia SSH for z/OS.
• Followed all Change Control processes using Remedy, Maximo, or UNIcenter.
• Experience with Microsoft Office Tools including creation, updating of design diagrams using VISIO.

Confidential,Cleveland,Ohio

Senior Technical Consultant

• Senior individual on a three person team responsible for z/OS and z/VM Communications Server running on multiple system z platforms, multiple Sysplexs and sites.
• Responsibilities included Design, Engineering, Implementation and Documentation for VTAM and TCP/IP on System z platform as well as inter-operability with System I, P, X, UNIX and Windows platforms.
• Configured and supported VTAM, APPN, Enterprise Extender and Hipersockets, 1Gb and 10Gb OSA.
• Configured and supported TCP/IP with both INET (single stack) and CINET (multiple stack) environments, other applications or functions included Static and Dynamic Routing (OSPF), SVIPA, DVIPA, DDVIPA (Sysplex Distributor), VIPAROUTE, FTP, Telnet, LDAP, SNMP, SMTP, SSL, OSA/SF and HOD.
• Managed and coordinated a project to migrate off Confidential 3745’s to TCPIP and Enterprise Extender.
• Architected and implemented a communications infrastructure for z/VM with VSWITCH to support 250 test and 500 Production z/Linux virtual servers with the ability to expand to 1000 servers in each environment.
• Selected by Confidential to participate in the Communications Controller for Linux ( CCL ) testing program.
• Lead conversion from 3174 console controllers to Integrated Console Controller ( ICC ).
• Lead conversion from SNA to TCP/IP NJE.
• Performed mainframe VTAM and TCP/IP tuning and buffer sizing.
• Multiple z/OS Communications Server migrations up to and including z/OS 1.9
• Ensured Year 2000 readiness for assigned system and 3rd party software products.
• Responsible for migration of five (5) 3725 FEP’s to a 3745-61A
• Migrated 3172’s and CISCO CIP’s to OSA’s and 3088 to ESCON CTC’s
• Designed, and implemented the plan for a datacenter and migration.
• Replaced (home grown) BSC file transfer programs with Sterling’s Connect:Mailbox product.
• Served as secondary for the creation and modification of the system I/O gens and NJE.
• Responsible for installation and configuration of the Connect:Direct (NDM) and VPS products.
• Created / Maintained Documentation and performed Disaster Recovery tests with SunGard recovery services.
• Assisted with z/OS operating installations and migrations.
• Production Support Analyst through Senior Production Support Analyst.
• Computer Operator Trainee through Senior Computer Operator.
• Confidential 1419 Fine Sort Operator.