31 Dec 1969, 16:00

Resume of Chris "Mac" McEniry



Christopher McEniry
cmceniry at mit DOT edu

Work Experience

Sony Interactive Entertainment (August 2010 - Present)

Systems Architect

  • Responsible for overall operations technology and architecture direction for SIE hosted platforms.
  • Major projects:
    • Standing up new data center and operations organization
    • Transition 3 major Sony hosting groups into a new data center and operational group
    • Host newly spun Security Center for multiple Sony groups
    • PCI Compliance for a Level 1 Merchant
    • Recovery of a Major Sony E-commerce Platform after a significant security breach
    • Initial Disaster Recovery Plan for a Major Sony E-commerce Platform
    • $10M Network and Infrastructure Redesign to Counteract $25M+ in losses
    • Tooling for Operations in Python, Ruby, and Go
  • Work with multiple development teams for:
    • Understanding and transitioning existing services
    • Fitting new services into network architecture
    • Designing operational processes for new services
    • Day-to-day troubleshooting of all services
  • Work with multiple operational handoff models
    • Separation of role responsibility
    • Embedded in scrum team
    • Service oriented (PaaS) delivery
  • Architecting and/or implementing multiple technology solutions for several support organizations:
    • Server: HP blade and racks, Dell rack servers
    • Storage: NetApp, Clariion, Isilon, DataDomain, VMAX, VNX
    • Networking: Cisco Nexus and Catalyst switching, Cisco ASA and Juniper SRX firewalling, F5 load balancing
    • OS: RHEL Linux, Windows (2K3, 2K8 server), OEL
    • Application Middleware: Apache httpd, Apache Tomcat, PHP
    • Database: MySQL, Oracle (including Exadata)
    • Other Datastores: Cassandra, Redis, MongoDB
    • Service Bus: SonicMQ, SonicESB, ActiveMQ, RabbitMQ
    • Cloud Services: Akamai and Limelight CDN, Amazon AWS, Openstack
    • Monitoring/Performance Analysis: Nagios, Cacti, Gomez, Splunk, Graphite, Collectd
    • Configuration Management: CFEngine (2), Puppet, Chef, Spacewalk, WSUS, Anisble, Docker, Terraform
    • Security: Arcsight Log Collectors, Syslog-ng, Qualys, Cyberark, Tripwire

Verve Wireless (January 2010 - August 2010)

Director of Networking

  • Responsible for overall service availability, maintaining 99.9% uptime.
  • Established service management guidelines with development and business teams:
    • Service Level Agreements,
    • Deployment guidelines,
    • Incident management guidelines.
  • Provisioned network and server infrastructure.
  • Implemented load balancer management API to expedite deployments.
  • Worked with development team for:
    • Feature developement and rollout,
    • Feature scalability,
    • Incident response.

Sony Computer Entertainment America (July 2004 - December 2009)

Manager, Hosting Integration Services (July 2009 - December 2009)

  • Manage 3 Hosting Engineers (Systems/Application Administrator)
  • Responsible for organizational transition between a Professional Services and an Operations group.
  • Coordinate international delivery of online gaming services.
  • Plan and coordinate cost saving server reductions.
  • Institute a culture of review and continuous improvement.
    • Daily activity SCRUMM-like meetings.
    • Weekly tech talks.
    • Regular setup and deployment reviews.

Staff Unix Systems Administrator (June 2006 - July 2009)

Senior Systems Administrator (March 2006 - June 2006)

Systems Administrator (July 2004 - March 2006)

  • Responsible for maintaining, developing, and documenting a homogeneous network of Linux Servers for Online Gaming and Infrastructure Services.
    • Manage over 2500 servers in 3 primary locations and 3 secondary international locations.
    • Architected a multitenant application environment with 40 public, private, and administrative networks across multiple datacenters.
    • Manage content delivery via LimeLight CDN.
  • Responsible for requirements gathering, capacity planning, server specification, ordering and colocation.
  • Developed a server deployment/management system fit for QA processes.
    • Published as MOOBI at LISA ‘07
  • Introduce MySQL into the environment.
    • Grew to over 50 master/slave pairs.
    • Setup replication, and backups on NetApp Filers.
  • Introduce Puppet configuration management system into the environment.
    • Investigate, pilot, and rollout of Puppet
    • Augment Puppet base with reporting mechanisms.
  • Mentored 5 other unix administrators, and several desktop support and application administrators.
    • Mix of unix tools and programming (python and ruby).
  • Wrote a multiuser password management system.
  • Wrote a basic inventory management system.
  • Wrote a federated web services infrastructure for administrative systems.
  • Regularly troubleshoot Apache, PHP, Tomcat, Java RMI, Ruby/Rails, and internally developed application platforms.
  • Participate in adoption of Global Information Security Policy.
  • Responsible for maintaining Active Directory infrastructure for 1000 users.

University of Chicago Division of Biological Sciences Information Services (June 2002 - June 2004)

Enterprise Systems Administrator

  • Responsible for maintaining, developing, and documenting a heterogeneous network of servers(Solaris, Linux, Windows NT/2000/2003) to provide network services infrastructure for over 1000 users.
  • Planned, implemented, and managed cost-effective, business-driven solutions, including:
    • Robust multi-system mail cluster using Sendmail, MIMEDefang, SpamAssassin, uvscan, and Cyrus IMAPD,
    • High-availability enabled file sharing infrastructure using Veritas Foundation Suite, Veritas Cluster Server, and Samba server,
    • Resilient authentication infrastructure using OpenLDAP.
  • Established internal communication, documentation, system build, and performance gathering processes:
    • Secure instant messaging system using Jabber,
    • Active documentation set using TWiki,
    • Documentation standard formats,
    • System performance statistics using RRDTool, and Apache/WebDAV,
    • System build standards and repository,
    • Usage reporting of metered network services.
  • Participated in identity management technical task force to help resolve security and usage issues between the BSD, the rest of the University, and the University Hospitals.
  • Developed database backed system administration interfaces for infrastructure using PHP, Perl, Java.
  • Developed network and system security plan for HIPAA compliance.
  • Provided technology consulting for various departmental projects.
  • Mentored 2 junior unix administrators, and several desktop support administrators.

Unix Systems Administrator - Department of Human Genetics

  • Planned, purchased, and implemented 30 node mixed(Solaris and Linux) computational cluster.
  • Programmed C and Java code for scientific computing applications.
  • Developed standard builds for Linux and Solaris servers and workstations.
  • Performed standard desktop and workstation end user support.

ArsDigita Corporation (April 2000 - February 2002)

Senior Unix Systems and Network Administrator/Oracle DBA

  • Responsible for overall architecture, implementation, decommissioning of ArsDigita production hosting environment.
  • Responsible for move of 50 web, 10 database, and 10 internal mail/file servers from Exodus Communications Waltham Collocation facility to Worldcom Billerica Collocation facility.
  • Administered DNS infrastructure using bind.
  • Administered mail infrastructure using Sendmail and Cyrus IMAPD.
  • Administered file sharing infrastructure using OpenAFS.
  • Provided 24x7 on-call third tier support for production hosting environment consisting of more than 50 Sun Solaris database and web servers, Cisco network infrastructure equipment, and F5 load balancers.
  • Provided systems and database integration advice, and development support for ArsDigita Enterprise Community System(has become RedHat CMS)
  • Maintained IPSec VPN for 4 US locations
  • Maintained outsourced(Storage Networks) SAN and network backup solution.
  • Wrote and maintained RMAN backup scripts for Oracle databases.
  • Analyzed, created, and maintained indexes for Oracle databases.

Junior Systems Administrator

  • Performed regular server administration tasks including accounts administration, mail administration, and backup/restore activities.
  • Provided standard desktop end user support.
  • Provided 24x7 second tier support for production hosting environment.


  • Made significant enhancements for several web clients using AOLServer and the ArsDigita Toolkit.

MIT Media Lab (October 1996 - March 2000)

Undergraduate/Graduate Research and Teaching Assistant

  • Co-authored Vision Television - a responsive, networked video environment.
  • Designed/developed a laser based video projector
  • Several other reconfigurable hardware projects for video stream processing.
  • Assisted in teaching of graduate level signals and systems course.
  • Administered a small set of HP-UX and Tru64 Alpha systems for research group.

MIT Information Systems (March 1999 - June 2001)

Residential Computer Consultant and Developer

  • Developed database backed web server for case tracking, and administered the machine housing it.
  • Assisted dormitory users with networking and general computer support.


B.S. Computer Science and Electrical Engineering (June 2000)

Massachusetts Institute of Technology, Cambridge, MA


  • League of Professional Systems Administrators
    • LISA Program Committee 2008, 2009
  • DEF CON Network Operations
  • Association for Computing Machinery
  • Unix Users Association of America
    • Configuration Management Roundtable Participant
  • San Diego Ruby Users

References available upon request