Sean Milheim Email & Phone Number

Bradenton, FL, US

Sarasota, Florida, United States

Sarasota, Florida, United States

• Lead three separate teams of Linux and Storage engineers, Application Engineering and Operations.
• Mentor and Lead employees in career growth and goals.
• Drive efficiencies and standardization around Reporting, Application Security and Enterprise Logging at the Enterprise level.
• Vendor Selection, Project Planning and Corner Office write-up for multiple projects including Backup to Cloud, Sysdig Containerized workload monitoring, Prometheus Monitoring and NetApp.
• Led migration from SAAS hosted Agribusiness Insurance application to self-hosted AWS solution
• Infrastructure architecture in AWS for multiple projects including VPC design, Elastic Kubernetes Service, Elastic Filesystem and OpenSearch.

Sarasota, Florida Area

Sarasota, Florida, United States

• Hiring and management of team of Linux and Storage engineers
• Design and Implementation of Automated Backup / Refresh process for Oracle Databases on NetAPP Flexpod architecture
• Project management
• Escalation point for troubleshooting
• Yearly Capacity planning for storage and compute resources

Sarasota, Florida, United States

• Implemented Puppet standardizing configurations.
• Led migration from HP XP 24K to Netapp.
• Built tools to automate common procedures and limit unplanned / emergent work.
• Trained team members on HPUX, HPVM and HP XP Disk storage.
• Led BCP Procedure scripting manual steps and documenting manual procedures in the event of script failures.
• Led HPUX Migration to Redhat Linux

Sarasota, Florida, United States

Sarasota, Florida Area

• Built a 430 node monitoring system for customer sites.
• Deployed a wiki based documentation system for all customer sites.
• Configured and deployed multiple Cisco 800, 1800 and 2800 series routers
• Implemented secure networks for EHR and Health Information Exchange systems.
• Built a cloud based backup system for clients utilizing Amazon AWS, EC2 and Debian Linux.
• Built tools to process multiple data types including HIPAA EDI and HL7.

Sarasota, Florida Area

• First operations hire for startup.
• Sr. Linux Engineer / Architect in a 24x7x365 production.
• Designed a high performance / highly available ad serving infrastructure in a hybrid-cloud setup that utilized AWS communicating back to a central datacenter.
• Responsible for monitoring, profiling and performance tuning in all parts of the stack.
• Automated server builds with PXE, Puppet and SVN for configuration management
• Responsible for two datacenters in Miami and Phoenix

• Built an OpenSER softswitch that supported at peak 400 subscribers based on Debian Linux.
• Responsible for datacenter hosting softswitch
• Deployed Cacti for resource graphing and logging.
• Deployed Nagios for service monitoring and alerting.
• Consolidated 35 physical servers down to 8 virtual servers running VMware.
• Technical project management.

Sarasota, Florida Area

• Implemented multiple 10,000+ user email systems with Postfix on Debian providing IMAP and POP3 access.
• Built a Debian based terminal server supporting 65 concurrent users.
• Implemented multiple secure VPN systems for remote medical offices to centralized billing office.
• Built a of a 20-endpoint IPSEC Compliant VPN system based on OpenBSD and PF for the retail industry.
• Advanced Linux support for various ISP’s and Consultants.
• Penetration response for customer’s security intrusions including full restoration of services in record time.

• Supporting clients security needs including Firewall, IDS, Radius, Penetration Testing, Network / System Security Auditing, and Unix Systems administration and maintenance.
• Managed multiple companies OpenBSD firewall’s.
• Solaris Administration for multi location paycheck advance company.
• SCO Administration for multi location rent to own locations.
• Built radius system for school district supporting dialup for student technology lab.
• Administration of many flavors of Unix including Linux, *BSD and commercial distributions including SCO, AIX, Solaris and HP-UX.

Design of an Internal Testing Lab used for application and hardware certification before deployment into enterprise, day to day support of NT Servers.