Resume - Adam Kosmin

[email protected]
(332) 203-7453
GPG: 481AF0AE/8FCF 5C25 2B65 91E9 D1D8 71BD E874 6802 481A F0AE

Support Kubernetes clusters across development, staging, and production environments. Focus on cloud-agnostic tooling in order to accommodate both AWS and Azure.
Perform SRE duties related to monitoring SLIs and troubleshoot core services as needed.
Script and automate functional testing of core Kubernetes services in order to comply with SLAs and security mandates.
Extend CI/CD pipelines using Helm, Terraform, and Jenkins.
Collaborate with teams to drive work related to Kubernetes upgrades.

Replace legacy Chef stack with Ansible and Jenkins.
Automate full stack AWS deployments across multiple VPCs.
Manage 1K+ CentOS servers across datacenter and cloud.
Design and maintain ELK cluster; focus on document retention.
Implement site-wide encryption-at-rest using Tang+LUKS.
Support and optimize core infrastructure services such as Nginx, Kickstart, Sensu, and DNS.

Design and build all aspects of configuration management using Puppet; focus on scalability. [2]
Support legacy OpenSolaris footprint with a focus on migrating to Debian GNU/Linux.
Integrate 24/7 monitoring into configuration management infrastructure. [3]
Replace Nagios with Sensu to improve monitoring.

Automate 500+ RedHat servers using Puppet.
Provide 24/7 monitoring of application work flow using Cacti and Nagios.
Move Operations team over to a proper version control system.
Manage critical services such as LDAP, NFS, Yum, and DNS across multiple data centers.
Work with development teams to automate and monitor their deployments.

Design highly available messaging solution using Postfix, DBMail, Horde, and Maia MailGuard.
Support a broad range of production services including Samba, FTP, DNS, DHCP, and CVS.
Provide virtual hosts as needed via Xen virtualization.
Replace inefficient documentation practices with ACL-aware web based collaboration tools.
Overhaul enterprise backup routines of mission critical data.

Maintain multiple GNU/Linux server farms offering mail, web hosting, and replication services.
Maintain all firewalls (Cisco, OpenBSD running pf and pfsync).
Automate and monitor backups of critical server configurations and data.
Document existing processes, build procedures, and more for disaster recovery purposes.

Presented "Evolution of Scale" at PuppetConf 2012 [1] and "Puppetizing a Segmented Distribution Network" at PuppetConf 2011 [2].
Multiple publications in Linux Journal Magazine [3].
Red Hat Certified Engineer (RHCE) & Linux Professional Institute (LPIC 1 & 2) certifications.