Michael Carrillo

Linux System Administrator with 8+ years of experience supporting RHEL/Linux environments, automating operational workflows, and improving reliability, security, and uptime across enterprise infrastructure. Hands-on experience with Bash scripting, VMware, Azure, Windows administration, and enterprise monitoring and observability platforms including Dynatrace, Elasticsearch, BigPanda, Splunk, Datadog, PRTG, SolarWinds, and TrueSight. Experienced supporting Coverity administration and leveraging AI tools, LLMs, prompt engineering, and AI-assisted workflows to accelerate troubleshooting, improve documentation, reduce manual effort, and help address technical debt in complex IT environments.

Red Hat Linux System Administrator at 161dev for TCS Communications / Boeing Global Integrated Development Environment (2023-08 – Present)

• Administer RHEL environments to maintain high availability, performance, security, and operational stability.
• Develop and maintain Bash scripts to automate system administration tasks, reduce manual effort, and improve workflow efficiency.
• Manage VMware-based virtual infrastructure and support system resource optimization across enterprise environments.
• Use monitoring and observability tools including Dynatrace, Elasticsearch, and BigPanda to support incident visibility, alert triage, troubleshooting, and service reliability.
• Administer and support Coverity, including project configuration, user support, scan reliability, and coordination with development teams on static analysis findings and remediation workflows.
• Conduct security assessments, implement protective measures, and support compliance-focused system hardening activities.
• Leverage AI tools, LLMs, and prompt engineering to accelerate technical research, improve documentation quality, streamline troubleshooting, and reduce operational overhead and technical debt.
• Provide technical training and knowledge transfer to end users and IT teams on Linux administration, tooling, and support processes.

Red Hat Linux System Administrator at Insight Global for Dell Technologies / Boeing Global Integrated Development Environment (2023-01 – 2023-05)

• Administered Coverity static application security testing (SAST) platform, including user management, project configuration, and policy tuning to align with engineering standards.
• Automated Linux administration workflows with Bash, reducing manual tasks by 30% and improving operational consistency.
• Supported VMware environment management to improve system reliability, availability, and performance.
• Conducted security assessments, patching, and update deployment to strengthen platform protection.
• Worked in environments utilizing Dynatrace, Elasticsearch, and BigPanda for monitoring, alerting, issue triage, and operational support.
• Supported Coverity administration and related application security workflows to help maintain code scanning availability and issue visibility.
• Applied AI-assisted workflows and LLM tools to improve troubleshooting efficiency, technical documentation, and process standardization.

Systems Administrator L2 at StrongMind (2021-06 – 2022-12)

• Managed 100+ RHEL and Windows servers in Azure while maintaining 99.9% uptime.
• Migrated 3,000+ users to Azure AD to improve identity management and access security.
• Administered backup and recovery processes, VoIP systems, and Google Workspace migration initiatives.
• Built monitoring dashboards in Nagios and Grafana to surface server health metrics and alert on threshold breaches.
• Implemented scheduled Windows Server patching using WSUS and PowerShell, reducing post-update incidents and downtime.

Regional Field Technician at Berkshire Hathaway Automotive (2021-01 – 2021-06)

• Configured and maintained VMware ESXi hosts and vCenter inventory, improving VM provisioning consistency across clusters.
• Supported Microsoft 365 and G-Suite environments, Windows Server administration, and Group Policy updates.
• Improved operational continuity by optimizing VoIP and PBX systems.
• Configured network switches and VLANs for remote sites using CLI commands to enable secure backhaul links.
• Administered Windows servers and performed group policy updates for 30+ dealers in the greater Phoenix-metro region servicing over 3,500 end users locally.
• Deployed and supported medical IT systems in HIPAA-regulated environments.
• Configured secure networks and supported VoIP systems and mobile device connectivity.
• Supported VOIP systems and mobile devices to enhance connectivity.
• Supported RADIUS and LDAP configurations for remote sites

Level 2 Field Systems Technician at Cloudience (2018-08 – 2020-01)

• Deployed and supported medical IT systems in HIPAA-regulated environments.
• Configured secure networks and supported VoIP systems and mobile device connectivity.
• Supported VOIP systems and mobile devices to enhance connectivity.
• Supported RADIUS and LDAP configurations for remote sites

Systems Administration – Universidad CAECE