Systems and Network Design, Software 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 9x/NT/2k/xp/vista/7/etc., Cisco IOS, JUNOS, and MacOS X.
Computer Programming (C, C#, Perl, Python, Ruby, Bash), Computer Networking, System and Network Security, SQL Databases, Data Communications, Server Hardware (x86, UltraSPARC, PowerPC), and Network Hardware including Cisco, Juniper and other routers and switches, NetApp, Brocade, and other NAS and SAN equipment, and NetScaler, Foundry, F5, and other load-balancing hardware.
Network Security, including Firewall Configuration, Firewall Installation, and Design, Implementation, and Maintenance of Network and Host-based Intrusion Detection Systems.
Software Engineering for Sun's Solaris Operating System. Shell, C, and x86 assembly programming.
Bug fixes, integrating third party software packages, driver development.
Part of the team responsible for integrating OSS (Open Sound System) into Solaris.
Created software to automatically dynamically configure tens of thousands of service monitoring checks for devices across the globe.
Designed and implemented a monitoring, alerting, and repair infrastructure using Nagios, other free software, and custom code to monitor services and facilitate creation of trouble tickets or automatic corrective actions.
Development of tools for Systems Engineering, Network Engineering, and the NOC for maintaining and managing the network and server infrastructure.
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.
Developed tools for managing configurations of Netscaler Load Balancers.
Starting with a legacy network of 25 Windows 2000, Red Hat Linux, and FreeBSD and executed growth of infrastructure to 130 servers, took on major new clients and deployed them on schedule and fully operational, with custom advertising services, for a major publishing firm.
Managed primary website and crucial internal and external ecommerce engines for a Fortune 500 company.
Moved infrastructure from a single-vendor facility to a carrier-neutral facility, saving money on bandwidth costs while improving network performance and redundancy.
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, 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.
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.
Worked closely with customers who required servers, built and configured servers for them, addressing their specific 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 *nix systems administration for the Network Operations Center.
Resolved issues relating to *nix 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.
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 only eight economy servers, and helped migrate systems to a more robust serving solution including modernized carrier class servers and reduced bandwidth and equipment maintenance costs.
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.
1996 - 1999 University of Massachusetts, Amherst