Darren Greer

Leading all IT Operations servicing over 50 consultants in support of nearly 500 external clients. Focused on the architecture, implementation and customization of CA Clarity within client environments.

• Leading multiple implementation and upgrade programs of CA Clarity PPM solutions across a wide variety of IT infrastructure environments
• Developed ground-up plans for an Enterprise class cloud hosting solution for CA Clarity PPM and Oracle services
• Extending CA Clarity PPM core functionality through the architecture/design of enhanced Add-Ons

Led the formation of a new team, focused on Application and User Profiling services, comprised of over 100 team members, whose primary focus is around Windows 7/Citrix application, and user, migrations for over 8,000 applications and 350,000 clients

• Integrated 5 disparate teams into one cohesive organization, defining and implementing operating models that will increase total output globally
• Responsible for ensuring platform readiness for over 8,000 applications, comprised of both internally developed and third party applications
• Built strategic relationships with internal development teams, allowing the team to establish project plans for Windows 7/Citrix application readiness of all 8,000 applications within 18 months
• Established a managed service model for application streaming creation activities with an outside vendor, adopting a “pay-per-drink” model, reducing time-to-market whilst simultaneously reducing internal costs
• Working with internal development teams, developed a suite of tools, that collect client, device, and application feeds, then generate user profiles and priority matrices critical to Windows 7/Citrix/VMware migration plans
• Led the creation of a new service, using third party tools, which produces application compatibility reports, greatly reducing developer time on task, and increased application packaging success rates.

Leading one of the worlds largest implementations of both Citrix and VMware virtual desktop solutions, achieved global standardization and implemented global support models

• Led a global staff of over 40 infrastructure specialists, supporting nearly 160,000 clients and nearly 8,000 edge devices
• Managed a full-suite of third-party application platforms built in support of our global virtual desktop solutions (Citrix, VMware, AppSense, ThinPrint, Wyse, EG, ThinApp), across over 3,000 servers
• Drove negotiations with several key vendors, resulting in over $24 million dollars in cost avoidance on license and support costs
• Increased platform availability, by instituting a globally consistent support model, coupled with consistent configuration standards, which resulted in a ~50% reduction in support incidents across the platform
• Achieved over $3 million dollars in infrastructure cost saves through an aggressive approach to virtualize servers used to support Citrix desktop solutions
• Delivered an increase of nearly $13 million dollars in internal chargebacks through the establishment of focused asset tracking for VMware hosted desktops
• Reduced internal client chargebacks by ~60% as result of efforts to improve platform optimization, off-shore support models, and platform availability
• Implemented an application virtualization/streaming solution (ThinApp), which has resulted in over $1 million dollars in direct cost avoidance by eliminating requirements for application servers
• Partnered with Wyse, developing a new “mobile” thin client, with integrated VOIP and VPN capabilities, allowing ~6,000 call center agents to work out of their homes, yielding $2 million in operational cost saves

Led a team of engineers and administrators through the implementation of strategic software platforms providing Identity Management, Collaboration, Asset and Service Desk solutions to all Consumer businesses within Citigroup

• Reduced level one help desk volume by nearly 60% with the implementation of an automated password and identity verification system, supporting over 80,000 clients
• Established key relationships and solid operational practices between technology and front-office organizations, facilitating enhanced client-focused delivery of technology solutions
• Managed the ground-up implementation of a full-suite of collaboration tools (SharePoint / LCS), capable of supporting 50,000 concurrent clients
• Led the implementation of HP’s OpenView Service Center application suite, and subsequent efforts to consolidate request and incident queues from 3 disparate systems into one
• Partnered with Cards front-office phone support teams, along with corporate engineering, with the implementation of automated account provisioning services, designed to automate ~30,000 monthly account actions

Oversaw operations of Common Applications technologies, which included: Provisioning Collaboration and Web Services technologies

• Led the implementation of Niku (CA Clarity PPM) to support over 1,000 IT employees and the DMADV/DMAIC processes used to execute all projects
• Implemented a global, follow-the-sun support model, providing 24x7 support coverage for critical IT platforms and services
• Balanced a $5.3 million dollar annual budget, correcting a historic 30% over-run
• Oversaw license and maintenance negotiations for planned automated discovery software platform, netting a 60% discount on license and support costs
• Ensured 99.999% web services availability for critical customer facing web components, which received over 1 million average daily transactions
• Managed the web technology implementation of a $500,000 accounts receivables system within six months
• Led a strategic initiative to increase application availability, netting a 5% increase in uptime
• Designed and implemented a global single sign-on solution using SiteMinder technologies, engineered with built-in, automatic, fail-over capabilities

• Managed support operations of Global Web Services platforms, consisting of over 300 applications
• Oversaw support operations of Global Single Sign-On platforms, averaging 4 million daily transactions
• Assisted developers in the validation and testing of applications within Java and ColdFusion environments
• Provided support operations leadership, to the technology command center organization, for critical application services during quarterly closing activities

• Led the implementation, support operations, and development lifecycle processes for several web technologies (ColdFusion, JRun, BEA Weblogic, F5)
• Built a new web technology support team using an off-shore support model, designed to provide 24x7 coverage for all critical web services

• Led all application development and IT operations for web development startup
• Assisted the sales organization in field sales operations, providing architecture and design proposals for current and potential clients

• Systems administration for HPUX and VAX VMS server farms
• Development of manufacturing operational reports using Cognos reporting technologies
• Production support operations analyst for critical manufacturing systems