Justin Roth


395 East Evelyn Avenue
Apartment 128
Sunnyvale, CA 94086
(310) 741-0127
justin@justinroth.org

Skills

Software and systems engineering, problem solving. Datacenter, network, and systems design, monitoring, and automation.

In-depth systems administration and engineering expertise with Linux, Solaris, OpenSolaris, FreeBSD, OpenBSD, NetBSD, and other UNIX systems, Windows 95 - 7, Cisco IOS, Junos, and Mac OS X.

Computer programming in C, C#, Objective-C, Perl, Python, Ruby, PHP, Javascript, and shell scripting.

Network security, including firewall configuration and design, implementation, and maintenance of network and host-based intrusion detection systems.

Network and NAS administration with Cisco, Juniper, NetScaler, Foundry, F5, and NetApp.

Professional Experience

March 2011 - July 2011: Senior Software Engineer
PBworks
San Mateo, CA

Software Engineering in PHP, Javascript, CSS, etc. for a hosted collaboration service for business and education.

February 2010 - March 2011: Senior Software Engineer, Platform Engineering
September 2008 - February 2010: Member of Technical Staff, Platform Engineering
Oracle (Formerly Sun Microsystems)
El Segundo, CA

Development and testing of kernel and device driver level software to support new hardware and standards on the Solaris platform.

Software Engineering for Sun's Solaris Operating System. Device driver development for Solaris on x86 and SPARC architectures. Shell, C, and assembly programming.

Worked closely with other team members to verify functionality of Solaris drivers and other kernel-level code for new chip and motherboard implementations for new hardware products.

Engineering code enhancements and fixing security flaws in current versions of Solaris.

Integrated open source and third party software packages into OpenSolaris IPS repository.

Part of the team responsible for integrating the OSS (Open Sound System) audio platform and device drivers into Solaris.

June 2007 - July 2008: Systems Developer
May 2006 - June 2007: Systems Engineer
MySpace.com (Fox Interactive Media)
Santa Monica / Beverly Hills, CA

Systems Developer:

Development of tools for systems, network, and NOC groups for maintaining and managing the network and server infrastructure.

Created software to automatically and dynamically configure tens of thousands of service monitoring checks for devices across the globe.

Designed and implemented a monitoring, alerting, and repair infrastructure using Ruby, Python, Nagios, and other free software.

Wrote custom C# .NET Windows Services to monitor critical functions and facilitate creation of trouble tickets or automated corrective actions.

Systems Engineer:

Managed all NetScaler load balancers and load balancer configurations for one of the most highly visited sites on the internet, on a network pushing 100+ Gb/sec.

Development of various tools, mostly in Perl, Ruby, and C#, for managing configurations of NetScaler Load Balancers.

June 2002 - July 2005: Lead Systems Administrator
Chaffee Interactive
Chicago, IL

Started with a legacy network of 25 Linux, FreeBSD, and Windows 2000 servers and executed growth of infrastructure to 130 servers, maintaining ecommerce, online publishing platform and internal resources for a major B2B publishing firm and a Fortune 500 real estate company.

Worked closely with development and executive teams in acquisition of new clients providing operational perspective on client needs and growth patterns, successfully on-boarding more then 10 additional clients.

Coordinated datacenter move from a single-vendor facility to a carrier-neutral facility, saving money on bandwidth costs while improving network performance and redundancy.

February 2002 - June 2002: NSOC Analyst I
NETSEC, Inc.
Herndon, VA

Intrusion Detection Analyst for the Network Security Operations Center, at a managed computer security services and consulting company specializing in intrusion detection, managed firewalls, and cryptographic services including VPNs and PKI.

Analyzed data from intrusion detection systems, including ISS RealSecure, Enterasys Dragon, NFR, and Snort. Evaluated risks posed by suspicious traffic, reported on network activity, and advised customers from government and private enterprise on computer security issues pertaining to their infrastructure.

Used Netcool, Remedy, NeuSecure, and other software to monitor network hosts, services and routers.

September 1998 - September 2001: Web Systems Engineer
CAIS Internet
McLean, VA

Managed a co-location facility and acted as a technical resource for co-location customers.

Built and managed servers running FreeBSD, OpenBSD, Linux, Solaris, and NT, and trained other engineers in network and systems engineering.

Acted as primary sales engineer with sales team assisting in hardware specifications, software packages requirements and other client needs.

Provided consulting services such as emergency maintenance, system security audits, software implementation, operating system upgrades, hardware upgrades, and general consulting and documentation.

Performed all Linux and UNIX systems administration for the Network Operations Center.

Resolved issues relating to Linux and UNIX production servers for services such as mail, news, HTTP, IRC, authentication, and dns. Resolved problems with DHCP and web servers in several hundred hotels across the country, running FreeBSD, Linux, and NT.

Responsible for all DNS changes on customer and corporate nameservers authoritative for over 6,000 domains.

Consulting

July 2005 - May 2006: Consultant
3io Inc.
Potomac, MD

Assisted in both remote hands on and physical troubleshooting, system administration, and other tasks for a cluster of ad, web, and database servers. This system served 3 million unique users over a network of commodity servers, and helped migrate systems to a more robust serving solution including modernized carrier class servers and reduced bandwidth and equipment maintenance costs.

May 2000 - January 2001: Consultant
Netwhirl Communications, Inc.
Costa Mesa, CA

Assisted in the planning, purchasing, and deployment of over 80 UNIX-based (FreeBSD and Solaris) servers for a network of over 250 websites, totaling over 14.5 million unique daily visitors.

Education

1996 - 1999 University of Massachusetts (Amherst, MA)

1995 - 1996 George Mason University (Fairfax, VA)

Foreign Language Skills

Conversational French, Norwegian

US citizen; Available for travel

References available on request