John Sexton Email & Phone Number

Overland Park, Ks, Us

Overland Park, Ks, Us

Overland Park, Ks, Us

New York, New York, Us

Mission, Kansas, Us

New York, New York, Us

Manage infrastructure projects, within a matrix environment, to migrate all servers and supporting infrastructure to other facilities in support of an initiative to decommission data centers.• Manage assigned technical support staff and collaborate with the application owners to determine the best technical approach to migrate applications to new data centers.• Procure new assets and implement the design and build of the replacement application infrastructure including hardware, software and supporting applications within the provided SLA• Attention to budget constraints repdeployable hardware would be utilized when required. Hardware and software upgrades performed as needed saving thousands on each project.• Create and maintain required documents and reports, Change Control documentation, Project Scorecards, Action Item lists, Risks and Issues logs and ensure development process compliance and successful deployment on all assigned projects. • Forecast expenses each month and stayed within the +/- 3% allotted variance.

Monroe, La, Us

Supervised, organized and managed the technical installation, maintenance, enhancement and operation of website software for multiple applications of a complex nature. Managed sixteen direct reports that supported multiple web applications including Weblogic, Apache, iPlanet and IIS on all midrange operating systems including Windows, VMware and UNIX.• Successfully managed multiple Weblogic upgrades utilizing the Agile Methodology. The upgrades to target state resulted in the elimination of extended vendor support, resulting in an annual cost avoidance of $250K. • Implemented automation which enabled a new process for code deployments and significantly improved production stability. Additional benefits were a 75% reduction of tickets associated with code migrations and a 15% improvement to the operational responsiveness for release migrations. • Routinely participated in technical meetings with various development teams and vendors to stabilize the ecommerce environment. Results included a significant increase in stability and a decrease in down time. Received an achievement award from the CIO for this work.

Monroe, La, Us

Managed, developed, lead and mentored 15 direct reports and contractors. Management oversight included support of Windows, VMware, Citrix, UNIX and AS400 servers in multiple environments, including production. • Successfully implemented a policy that allowed the system administrators to proactively install patches, fixes, and service packs while focusing on production stability. Critical patches were implemented to all servers in a 5-day window eliminating any production downtime.• Implemented a Disaster Recovery plan to ensure minimal downtime and business impacts. • Enforced Sarbanes-Oxley Act by setting up internal procedures to track and control access to SOX servers. Maintained 100% compliance with internal and external audits.• Worked closely with application development and network to ensure compliance with Payment Card Industry security standards. • Nominated for an achievement award for reducing and consolidating over 100 servers saving the company $350K annually.

Retired

Overland Park, Kansas, Us

Managed and coordinated the build of non-production environments for major and minor releases which included up to twenty different projects in each release.• Successfully organized, scheduled and facilitated numerous departments and vendors into a condensed build and shakeout window. Resulted in a 100% schedule adherence for every release.• Initiated open communication with testing organization on all progress / changes to the environments. This allowed releases to be tested efficiently resulting in shorter testing windows.• Maintained and distributed all metrics and reports concerning the release schedule and the environment availability. • Created and maintained a website that would proactively check and report system status on the entire testing environment.

Overland Park, Kansas, Us

Supported all testing functions by managing open defects on multiple tested applications and environments.• Facilitated conference calls, maintained and documented update statuses and requested support from internal and external vendors so that testing environments would be available at all times.• By utilizing HP LoadRunner for performance testing and IBM Rational Suite for beta testing multiple applications, discovered code issues prior to the application being deployed into production.• Created, administered and ran UNIX and XML scripts to test and verify the environments availability and proactively fixed any issues prior to testers finding them.• Worked extended hours until testing was complete which included 24x7 support.

Kansas City, Ks, Us

Administered, maintained and investigated issues with all network functions including WAN, LAN, routers switches and hubs.• Administered multi-server and multi-operating system environment that included 13 servers, 120 workstations, 140 thin clients and any installed software.• Administered and supported Windows, Novell, UNIX and GroupWise user accounts, logins and passwords for 300+ users in multi-practice medical service environments.• Provided end user support for all hardware and software at each remote location that included PCs, thin clients, email and virus protection.• Administered billing and practice management software, implementation and upgrades that included beta site testing.

Provided training for Cornerstone clients and 500+ associates on the billing software suite.• Trained individuals and groups on GPMS software, ProVide, Microsoft Windows, Microsoft Office, Microsoft Schedule +, Microsoft Exchange and other network applications.• Training included onsite, individual and group sessions. Managed the creation and updates to manuals and outlines for all classes offered by the training department.