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.
• 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.
• 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%.
• 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.

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.
• 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.