Business and Technology Practices

• Project and Group Management methodologies in a wide range of business environments
• Large Installation Systems Management, including development of scalable infrastructures for high availability in always-on mission critical environments
• Systems, Network, and Storage Architecture
• Performance and Stability assessment technologies and practices for a wide range of internet, database, and server technologies
• Development, Quality Assurance, and Release Engineering methodologies, including management of all stages of the software development lifecycle
• Security response team techniques, including organizational and managerial aspects of network security maintenance

Programming and Scripting Languages

• C, including Unix interfaces for networking, threading, database access, and more
• C++, including generic programming (templating/STL) and modern language features
• Functional Programming in Scala, Common Lisp, Scheme, Clojure, and Standard ML
• Perl, through version 5.16, including idioms and modules for OOP, and database, web services, and web programming
• Ruby, through version 1.9.3
• Python, through version 2.7.3
• Java through Java 6, including Servlet, JSP, EJB, and Web Services environments
• Shell Programming, including Bourne, Korn, and C Shells
• Objective-C, including MacOS X Foundation and Cocoa APIs
• Ada, through Ada 1995, with some knowledge of Ada 2005 additions
• TCL, including Tk and Expect, through version 8.4
• awk, sed, make, and other Unix development and administration utilities
• Assembly language programming, including Motorola 68xx0 and Intel 80x86 architectures

Operating Systems

• Unix Administration and Systems Architecture, including:
  • Linux, including RedHat Enterprise Linux versions 3 through 6, and Centos, Debian, and Ubuntu distributions
  • Solaris (SunOS through Solaris 10), including service and container features in Solaris 10, and changes in Solaris 11
  • NetBSD (versions 1.0A through 5.1)
  • Irix (versions 5.2 through 6.4)
• MacOS through version 10.8
• Windows desktop operating systems through Windows XP and Windows 7
• Windows server operating systems through Windows 2003 and Windows 2008
• Virtualization solutions including
  • Hypervisor platforms from VMWare (ESX 3.5 through 5.0i), Sun (VirtualBox and Zones), Joyent (SmartOS), and others
  • Workstation virtualization offerings from VMWare, Sun, and others
• Cisco IOS versions 11.x and 12.x
• Netapp ONTAP through version 7.3

Hardware

• Server-grade x86_64 hardware from HP, Dell, IBM, and others
• Cisco UCS Blade infrastructure
• Oracle/Sun server systems, including current and legacy hardware
• Networking hardware, including 10 Gigabit, Gigabit, 100baseT, FDDI and ATM equipment from Cisco and others
• NAS storage equipment, including NetApp, and scalable storage offerings from HP/iBrix and others
• SAN equipment, including EMC's DMX SAN hardware, versions 3 through 5 (VMAX) and offerings from Dell/EqualLogic and others
• Current and legacy Apple and Desktop PC Hardware

Software

• Web application development in Scala (Liftweb, Scalatra), Ruby (Rails including the new Rails asset pipeline and advanced use of ActiveRecord, Sinatra), Perl, and Python
• Java Web Application Server environments and technologies, including Servlet, EJB, Web Services, and JSP technologies, server-side scripting technologies, and application server environments, including IBM WebSphere, Sun Glassfish versions 2 and 3, RedHat JBoss, and Apache Jakarta Tomcat, including monitoring and debug interfaces, and WebSphere-specific development APIs
• Database programming, including SQL, JDBC, ODBC, and Object-relational and XML-relational mapping techniques and APIs in Java, Scala, and Ruby
• XML technologies, including parsers from Apache, Sun, and others, and including SOAP, XSLT, XHTML, XSP, and XML-based application server environments, as well as common C/C++ (Xerces-C, expat), Perl, and Java (JAXP, Xerces-J, Xalan-J) implementations
• HTTP, client and server, through protocol version 1.1, including web site maintenance with Apache (1.1 through 2.2) and Microsoft Internet Information Server, SSL security, and proxy service
• Web content technologies, including HTML, Javascript, and CSS, and popular frameworks such as jQuery and Twitter Bootstrap
• Database installation and administration, including Oracle (versions 7, 8, 8i, 9i, and 10g), Postgresql (versions 8 and 9), MySQL, Sybase Adaptive Server (versions 11.x and 12.x), and Informix Dynamic Server
• Security maintenance software and techniques, including SSH, sudo, S/Key, Kerberos 5, and others
• Encryption technology and applications, including PGP, IDEA, RSA, DES, secure hashing, encrypted communications, TLS, SSL, and Kerberos development and administration, and development of cryptographically secure software with Unix/C (OpenSSL) and Java (JSSE) APIs
• Sendmail, through version 8.14, including large site mail administration, and integration with other mail environments (Lotus Notes, Micrososft Exchange, Cisco IronPort)
• Mail protocols, including SMTP, IMAP, and POP, client and server
• Directory Services, including maintenance and development for LDAP and Active Directory services
• SNMP-based monitoring solutions, including client and server-side APIs for monitoring and alerting, and monitoring software including Concord eHealth Sysedge, IBM Netcool, and OpenNMS
• Active and event-based monitoring solutions, including Nagios, Collected, and Splunk
• Performance analysis tools from Opnet, CA, EMC|Smarts, and others
• Job Scheduling software including deployment, administration, and use of CA Autosys, and usage of WLA/ActiveBatch
• DNS and BIND, client and server, versions 4.95 through 9.3, including large domain administration issues
• Backup software, including enterprise solutions from EMC and Symantec, plus VTL and online deduplication solutions
• NFS, client and server, including performance tuning and monitoring
• NIS, client and server, including high availability and replication
• LDAP, client and server, including cross-platform interoperability issues and development of monitoring extensions
• TCP/IP networking, including router and switch configuration, IPv4 and IPv6 technologies, and network architecture using equipment from Cisco and others.
• Version Control Software, including CVS, git, Subversion, CVS, RCS, and SCCS