Louis Serianni Jr
Jackson,MI
Summary
Experienced IT Professional specializing in Open Source Solutions, DevOps, and IAM with a keen focus on automation, vulnerability management, and application support.
Overview
7
7
years of professional experience
Work History
DevOps Application Administrator/IAM Engineer
University of Michigan
09.2019 - Current
- Serve as tier 3 escalation point for IAM production support issues
- Maintain and update enterprise IAM products and services including eDirectory, IDM, Active Directory, Kerberos, Cyberark, Passwordstate, Shibboleth, and Grouper
- Automated SSL certificate renewal and deployment using Certbot, bash scripts, and Ansible playbooks, optimizing HTTP, IIS, and Java backend services
- Configured and maintained F5 load balancers, ensuring high availability across multiple data centers
- Participated in security monitoring using tools such as Nagios, Zabbix, and Splunk
- Modified Python scripts for Cyberark automation, reducing manual intervention
- Led the migration from Nagios to Zabbix for web application servers using Ansible
- Upgraded and managed Linux servers from Red Hat 7 to Red Hat 9, including disaster recovery planning
- Utilized GitHub for source control and collaborated with various IT teams to ensure 100% uptime.
System Administrator
Michigan Technological University
07.2018 - 08.2019
- Diagnosed and resolved issues related to network connectivity and software compatibility on Red Hat Enterprise Linux
- Automated repetitive administrative tasks using Bash scripts
- Implemented and documented computing solutions for research staff, including specialized Tomcat servers
- Monitored and optimized research server performance by gathering CPU, memory, I/O, and network metrics
- Ensured the backup and integrity of critical research data.
Linux System Engineer
ls1980.net
01.2018 - 08.2019
- Installed and managed KVM hypervisor, DHCP/DNS network services, and automated OS installations with Cobbler
- Configured centralized patching, monitoring, and system logging using Katello/Foreman, Icinga2, and ELK stack
- Deployed scalable web application infrastructure with Ansible, including Nginx reverse proxy, Apache clusters, and distributed/replicated storage with GlusterFS.
Linux System Administrator
Liquid Web
06.2017 - 12.2017
- Troubleshot LAMP stack issues on CentOS 7 using cPanel, WHM, and command-line utilities
- Assisted with SSL certificate installations, PHP, Apache, and MySQL upgrades
- Diagnosed server load issues and optimized configurations to improve performance.
Education
BBA - Business Administration
University of Michigan
Ann Arbor, MI06.2012
Skills
- Scripting Languages
- Patch management
- System Administration
- Configuration Management
- Application Configuration
- Technical Troubleshooting
Timeline
DevOps Application Administrator/IAM Engineer
University of Michigan
09.2019 - Current
System Administrator
Michigan Technological University
07.2018 - 08.2019
Linux System Engineer
ls1980.net
01.2018 - 08.2019
Linux System Administrator
Liquid Web
06.2017 - 12.2017
BBA - Business Administration
University of Michigan
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