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Dennis LaFever
Information Security Manager at American Express
Tempe, AZ, United States
Details
Experience:
2022 : Present
American Express
Information Security Manager
2013 : 2022
American Express
Sr. Infrastructure Engineer
Manager for worldwide PMO, Technical Support Team, the Change Management Coordinator and QA, providing managed IT services for real-time transaction processing running Oracle on RedHat Linux RHEL4, RHEL5 and RHEL6 as well as WMware ESX and ESXi. Organizational leader, charged with ensuring availability of real-time transaction processing environment including problem resolution and critical parts order/delivery scheduling. Participate in intra-company troubleshooting events including Oracle and RedHat Linux Performance Tuning and War Room efforts. Conduct regular Root Cause Analysis meetings with the customer to ensure timely, high quality response to issues, including review of software updates, testing and introduction of bug fixes. Provide leadership and technical expertise and guidance for weekly change management meetings, with major focus on improving the change quality metrics which resulted in 100% SLA attainment with a major financial services company. Work closely with the application development teams, collaborating effectively with other support organizations and Engineering teams to ensure best-in-class service delivery.
2011 : 2013
Stratus Technologies
Service Delivery Manager
Operations Lead for international team of Support Engineers, tasked with fine tuning the day-to-day operations of the client's mission critical environment. As Duty Manager, provide 24x7 support to engineers responsible for monitoring Linux system and network availability, application availability, overall platform performance. Participate in inter-company troubleshooting events. Work closely with the application development teams, collaborating effectively with other support organizations. Mentor, develop and provide leadership for Global Support Engineer team. Conduct daily RCA meetings to ensure timely, high quality response to customer's issues. Provide technical expertise and guidance for weekly change management meetings, yielding a vast improvement in change quality metrics. Provide 24x7 support, responsible for monitoring system and network availability, application availability, overall platform performance. Monitor network connections into and out of the environments and working with other support personnel in troubleshooting network issues. Key author for several deliverable procedure documents.
2007 : 2011
Stratus Technologies
Systems Engineer - Operations Lead
Direct report to the Chief Executive Officer. Primary responsibility for the planning and coordination of information technology operations across the airline, including; voice and data networks, critical operational applications, aircraft satellite communications, Inflight Entertainment solutions, as well as instructional and industry specific computing services. Responsible for strategic IT planning, staff development and departmental budgeting. Provided technical guidance to Sr. Management and facilitated all infrastructure and improvements, including those needed to open and sustain new facilities. Review and approval of vendor bids, technical solutions and strategic plans for implementation of new technologies.
2004 : 2007
Primaris Airlines
VP Information Technology
American Express
Information Security Manager
2013 : 2022
American Express
Sr. Infrastructure Engineer
Manager for worldwide PMO, Technical Support Team, the Change Management Coordinator and QA, providing managed IT services for real-time transaction processing running Oracle on RedHat Linux RHEL4, RHEL5 and RHEL6 as well as WMware ESX and ESXi. Organizational leader, charged with ensuring availability of real-time transaction processing environment including problem resolution and critical parts order/delivery scheduling. Participate in intra-company troubleshooting events including Oracle and RedHat Linux Performance Tuning and War Room efforts. Conduct regular Root Cause Analysis meetings with the customer to ensure timely, high quality response to issues, including review of software updates, testing and introduction of bug fixes. Provide leadership and technical expertise and guidance for weekly change management meetings, with major focus on improving the change quality metrics which resulted in 100% SLA attainment with a major financial services company. Work closely with the application development teams, collaborating effectively with other support organizations and Engineering teams to ensure best-in-class service delivery.
2011 : 2013
Stratus Technologies
Service Delivery Manager
Operations Lead for international team of Support Engineers, tasked with fine tuning the day-to-day operations of the client's mission critical environment. As Duty Manager, provide 24x7 support to engineers responsible for monitoring Linux system and network availability, application availability, overall platform performance. Participate in inter-company troubleshooting events. Work closely with the application development teams, collaborating effectively with other support organizations. Mentor, develop and provide leadership for Global Support Engineer team. Conduct daily RCA meetings to ensure timely, high quality response to customer's issues. Provide technical expertise and guidance for weekly change management meetings, yielding a vast improvement in change quality metrics. Provide 24x7 support, responsible for monitoring system and network availability, application availability, overall platform performance. Monitor network connections into and out of the environments and working with other support personnel in troubleshooting network issues. Key author for several deliverable procedure documents.
2007 : 2011
Stratus Technologies
Systems Engineer - Operations Lead
Direct report to the Chief Executive Officer. Primary responsibility for the planning and coordination of information technology operations across the airline, including; voice and data networks, critical operational applications, aircraft satellite communications, Inflight Entertainment solutions, as well as instructional and industry specific computing services. Responsible for strategic IT planning, staff development and departmental budgeting. Provided technical guidance to Sr. Management and facilitated all infrastructure and improvements, including those needed to open and sustain new facilities. Review and approval of vendor bids, technical solutions and strategic plans for implementation of new technologies.
2004 : 2007
Primaris Airlines
VP Information Technology
Company:
American Express
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