● Direct two teams of 17 U.S. and India-based system administrators and engineers in the oversight of more than 800 Unix servers in eight data centers serving more than 1,000 financial sector clients nationally, with responsibility for the business unit’s budget, staffing, and development, and for oversight of audit compliance and security ● Deployed various security tools, such as Tanium, Symantec CCS, Crowdstrike, and Splunk, to all AIX, PUX, Solaris, and Linux systems across the Enterprise organization and, once deployed, solved for various site to site connectivity and other storage procurement issues.● Brought Cloud technologies into our patch and vulnerability monitoring and governance processes - includes Pivotal Cloud Foundry and Microsoft Azure.● Cross-trained operations staff to support Dell VxRail technology and designed and implemented patching procedure.● Oversee all aspects of hiring, dismissals, performance reviews, and compensation planning for all 17 employees on the server operations team and eight employees on the internal network services team

● Direct a team of 15 U.S. and India-based system administrators and engineers in the oversight of more than 800 Unix servers in eight data centers serving more than 1,000 financial sector clients nationally, with responsibility for the business unit’s budget, staffing, and development, and for oversight of audit compliance and security ● Established new organization-wide, ITIL-based change management and ticket handling procedures that reduced severity 1 and severity 2 incidents by more than 25% year over year three years in a row● Identified, quantified, and reduced the number of open security threats to more than 1,500 servers, network devices, firewalls, and appliances by 75% using Qualys and TVM tools, working with vendors to build solutions into future software and to remove vulnerability-causing features and services● Developed organizational processes and standards for user provisioning, server configuration, patch management, procurement life cycle, and capacity management, as well as dozens of team procedures to ensure mission-critical PCI, FFIEC, and SSAE16 compliance ● Oversee all aspects of hiring, dismissals, performance reviews, and compensation planning for all 15 employees on the server operations team and eight employees on the internal network services team● Manage VMware hosting resources (five data centers, 41 hosts, and 532 virtual machines) for credit union customers, including deployment of new virtual machines, controlling system resources, and integrating solutions to provide monitoring, high availability, disaster recovery capabilities, and onboarding the operations management of Fiserv’s new Pivotal Cloud Foundry containerization platform.● Coordinated hardware and software refresh for VMware and AIX across three data centers and affecting 300 VMware hosts and virtual machines as well as 60 AIX hosts and LPARs, allowing us to save $200,000 in support costs for the 2019 budget.

● Directed a team of eight in supporting all Windows, networking, firewall, VPN, and phone system technologies servicing more than 250 clients in a single product line, with responsibility for maintaining audit compliance, addressing security vulnerabilities, and responding to after-hours severity 1 and severity 2 incidents● Conducted annual enterprise risk assessments and disaster gap analysis for multiple platforms across a variety of events, with responsibility for developing risk mitigation strategies and identifying areas for improvement in equipment, staffing, and knowledge to ensure continued processing in the event of each risk scenario● Documented and tested disaster recovery procedures for six datacenter locations, including creation of a disaster recovery plan, training staff to carry out the plan, providing escalation support during tests, and monitoring test engagements to ensure operational responsiveness

● Supervised the day-to-day workflows of the eight-member Internal Network Services team, with responsibility for creating project designs, assigning work to appropriate administrators, and building project teams for platform operations, support, data center facilities, and professional services● Created network, server, and security requirements for a re-designed online banking web application, leveraging 35 distributed systems and multiple platforms and technologies to deliver the second-largest ever development effort for Fiserv’s credit unit solutions division● Designed new office and production network segments, built firewall access rules, and programmed custom call center models to encapsulate a separate Fiserv group into the Troy location, enabling closure of a facility and retirement and reuse of most associated equipment

● Provided operational and break/fix support for Windows servers and IIS web applications, Microsoft SQL database servers, Cisco routers and switches, Checkpoint and Sonicwall firewalls, and Shoretel phone systems, as well as all related management software● Transformed the Troy data center from a single flat network to a fully-segmented design with multiple Checkpoint and Sonicwall firewalls, a locked-down and protected cardholder data environment, and VPN access points protecting the environment with RSA authentication

● Worked with the CIO, COO, and CFO of a leading provider of prepaid MasterCard products to lead daily system administration and product development activities, driving the sale of 50,000 cards over three years, addition of 300 new direct merchants and five sales channel partners, and creation of seven distinct card programs ● Built network infrastructure for a series of prepaid MasterCard financial products, developed a core processing system using Perl, mod_Perl, ASP, HTML, and VBScript, and deployed merchant card point-of-sale and customer web loading platforms