Deem is a leading cloud and mobile commerce company, delivering Commerce-as-a-Service (CaaS) to a large and diverse ecosystem of customers, merchants and partners enabling them to lower costs, increase revenue and deepen customer loyalty. • Sole devops systems administrator for Deem's east coast production facility, working night and weekend shifts as needed• Built and maintained high availability RedHat/CentOS and Ubuntu Linux servers and Solaris 10 servers, including configuration management via Puppet• Configuration & maintenance of AWS cluster and deployment of our in-house Hadoop cluster• Led migration to Xen-based Ubuntu Linux virtualization in active production environments• Maintained EMC, Fujitsu, NetApp, Tegile and Imation storage arrays and SAN fabric switches• Maintained and upgraded network switches, firewalls, routers and console servers for both in-house systems and external customer links• Maintained & configured Stingray and F5 traffic managers & load balancers• Assisted in major production system transitions as new Deem corporate acquisitions were incorporated into or divested from our production environment• Coordinated projects and activities with colleagues in California, Arizona, New Jersey, Ohio, and Bangalore, India.• Traveled regularly on business as technical advisor to evaluate new facilities and systems• Participated in 24x7 systems engineer on-call rotation• Interviewed, mentored and assisted new team hires

• UNIX programming, maintenance and performance tuning, including Solaris 8, Solaris 10, Red Hat & SuSE Linux and HP-UX, including perl, C and shell programming.• Project management, including risk assessment, cost/benefit analysis, stakeholder negotiation and progress monitoring.• Implemented Sarbanes-Oxley regulations and CoBIT controls, as well as compliance evidence reporting in a high-discipline, multi-location computing environment.• Extensive work with VMWare, TCP/IP, DNS, LDAP, Veritas Volume Manager, Veritas NetBackup, ssh, sendmail, Apache web server and others.• Excellent written & oral communication.• Strong organizational and time management skills.

• Built, configured and maintained Sun Microsystems servers running Solaris 2.6, including high availability systems for a high visibility financial services division• Coordinated team activities among members and with other IT groups, including daily status reports and hand-offs to/from night shift personnel• Updated logs and created reports & project plans as needed• Participated in 24x7 UNIX engineering on-call support

• Maintenance of HP Unix servers, including hardware maintenance, backups, bug fixes and user support.

• Managed a staff of five in maintenance of Physics Computing Services.• UNIX Administrator of a widely heterogeneous environment, including IBM, HP, SGI and Sun Microsystems UNIX hardware and operating systems.

• Built and maintained a database engine and GUI for an online bond & debenture library• Designed, solicited RFPs, purchased and installed in-house computer systems, network communications and workstations• Supervised a programming staff of three and data entry staff of six people