Ethan Bannister Email and Phone Number

• Ansible configuration management of Prometheus across entire AWS infrastructure• Chef configuration management of Zabbix across entire AWS infrastructure• GitHub Actions for deploying Prometheus rules/routes/receivers to Grafana Cloud• Maintenance of Mercurial source control for over 250 Zabbix templates• Implement lambda-promtail to capture AWS CloudWatch logs and forward them to Grafana Cloud Loki• Work with necessary points of contacts to create a new IAM spec in order to conform with security standards during the lambda-promtail deployment effort• Justified requirement for access to JFrog Artificatory; discovered and applied appropriate methodology to add custom Docker containers to JFrog Artifactory for the Monitoring and Observability team.• Maintenance of VictoriaMetrics time series database configuration for in-house Prometheus instances• Ruby script maintenance for Prometheus configuration• Deployment and migration of various services from obsolete CentOS 6 hosts to community supported CentOS 7 in order to comply with internal security standards• Deployment of new Prometheus and Zabbix instances in new AWS region based on CentOS 7• Scripting to perform various cleanup efforts on Zabbix infrastructure (both Bash and Python)• Created Bash script to remove notification ARNs from CloudFormation stacks to prevent the automated process of adding new instances not intended to be included in Zabbix monitoring• Scripting to help determine teams that were using Zabbix in an effort to move them to Prometheus• Troubleshooting of internal Node.js application responsible for scheduling maintenance times as to not inadvertently create alerts for hosts where maintenance is being performed• Troubleshooting of internal Node.js application responsible for assigning Zabbix templates to hosts based on regular expression matching of hostnames• Zabbix MySQL (RDS) backend maintenance for Zabbix• Documentation (Confluence) of standard operating procedures

• Created Python script to automate migration of VMs between XenServer and Nutanix.• Deployed OpenShift in Azure via Ansible Tower workflows to support internal development team.• Utilized Red Hat Satellite to ensure hosts deployed in Azure had necessary access to approved updates.• Execute greenfield deployment of Nutanix clusters in all Genesys datacenters.• Using Foreman, created method to vet software updates in pre-production environment and deploy VMs.• Deployed AWX in lab and within on-premise production environments to automate host configuration.• Authored MySQL UDF scripts to update Windows DNS with GSS security (Kerberos) via PHPIPAM.• Automated movement of VLANs between interfaces within server profiles on c7000 BladeSystems.• Manage XenServer/XCP-ng infrastructure.• Manage 3PAR Storage and attached SAN networks.• Administered Bind DNS, Samba AD, OpenLDAP, and FreeIPA.• Deploy and manage HPE Synergy and c7000 BladeSystems.• Worked with third party vendor to deploy hosts in support of annual penetration testing.• Identify, triage, and resolve issues involving Windows, CentOS, and Oracle Linux based servers.

• Authored multiple scripts using Bash, Python, Perl, PHP, PowerShell, batch, Expect, Javascript/jQuery, CSS, & HTML.• Set up of http Apache server for creating in-house R&D web app to support new VNX arrays.• Designed and managed relational databases using MySQL.• Created solutions for Reporting team to obtain necessary information to support data-driven decisions.• Devised a solution to bring VNXe storage arrays into labs while PXE reimaging services were pending, allowing the department to act on an initiative sooner than previously possible.• Deployed and maintained Cisco Ethernet and Brocade SAN switches.• Set up various systems management tools such as ViPR SRM and NMIS.• Diagnosed and repaired R&D VNXe hardware.• Deployed and managed ESX servers within lab and production environments.• Set up and repair of DHCP, DNS, NIS and AD servers.• Trained and mentored employees on VNX/VNXe, Linux/systems administration, scripting, and development tools and processes.• Installed AIX & HP-UX.

• Researched and implemented new technologies mainly focused in an open source environment.• Provided Windows XP based office support.• Worked with with Heartbeat/Pacemaker, DRBD, Xen, MySQL, Bash scripting.• Utilized Asterisk, Samba, Snort, Nagios, NFS, LVM and iptables, SSL/TLS, and OpenVPN.• Secured data and provided secure access to clients.• Documented network and IT infrastructure.

• Performed software RAID array repairs over several meta devices/RAID arrays.• Corrected autofs errors to allow users to re-gain access to their home directories.• Diagnosed and repaired Dell servers running Debian Sarge/Etch (32 & 64 Bit) and Redhat.• Altered a Perl script to allow multiple hard drives to be S.M.A.R.T. Tested, Block tested, and formatted on a Dell 1950.• Swapped expired ssh keys on systems that were not updated with the latest keys.

• Managed employee schedules and tasks.• Supported both corporate clients and residential customers.• Troubleshot networking and client workstations.• Provided remote assistance using RealVNC over a secure VPN connection.• Supported Server 2003 with Exchange.• Tore down and repaired laptops.

• Set up Linux and Microsoft Windows Desktop/Server.• Worked with DNS, DHCP, Terminal services, Active Directory and Exchange setup under Windows server.• Set up and troubleshot IP & wireless networks for corporate and residential customers.• Set up and managed Backup Exec setup on small business and enterprise servers.• Fabrication of Cat5e cable.• Performed data recovery for clients.• Removed virus/malicious software.• Repaired desktops and laptops (including laptop jack soldering and replacement).• Established Vertical/Comdial DX-120 and DX-80 business telephone systems.• Worked with POS systems for Central Parking/TicketTech as part of client engagement.