Linux infrastructure, migrations, and production systems that need to stay running.
I have more than 20 years of hands-on experience administering and modernizing production Linux infrastructure. My background spans large scale hosting, high availability systems, automation, security and compliance, and production incident response, with enough application development experience to troubleshoot from the operating system through the application stack.
1M+messages in individual email campaigns supported
Selected Experience
Production infrastructure at meaningful scale.
Senior DevOps Engineer
Thundercloud Management, Inc. · Remote
Administer and support approximately 265 Linux servers across physical, virtualized, VPS, and AWS environments.
Migrated the entire production fleet from CentOS 7 to Debian 11 and 12 with zero downtime while modernizing the platform to Nginx front ends, Apache application servers, and tiered NFS/GlusterFS storage.
Maintain PCI DSS compliant production systems, remediate vulnerability findings, provide 24/7 incident response, and build administrative tooling in Bash/Shell, Perl, PHP, and SQL.
Web Developer
Onpoint Media · Remote
Developed and maintained approximately 250 websites and custom applications using PHP, MySQL, JavaScript/jQuery, HTML, and CSS, including internal tools, REST APIs, integrations, and supporting LAMP infrastructure.
Linux / Network Administrator
NetAtlantic, Inc. · Salem, MA
Administered high availability Linux infrastructure for an email service provider, supporting roughly 50 physical and 100 virtual servers.
Supported StrongMail systems running individual campaigns exceeding one million messages and performance tuned heavily utilized PostgreSQL databases through indexing, optimization, maintenance, and query analysis.
Earlier Infrastructure Roles
Fidelity Investments · GraphOn Corporation · Plymouth State University · Penn State McKeesport
Level 2 production operations for low latency market data across approximately 2,150 production and failover servers, plus broad UNIX/Linux administration across HP-UX, IBM AIX, Solaris, SGI/IRIX, RHEL, CentOS, and related platforms.
Core Skills
Deep Linux experience, broad enough to troubleshoot the whole stack.