IT Systems Engineer - Incident Analysis & Automation Expert

LEO ELLIS

PROFESSIONAL SUMMARY

IT and systems professional with experience investigating application failures, analyzing logs, and automating remediation across enterprise Windows environments. Known for resolving complex technical issues, improving infrastructure stability, and building custom tools that streamline diagnostics, vulnerability identification, and remote support. Experienced in system administration, endpoint management, and DevOps-style troubleshooting that strengthens operational resilience and reduces downtime. Trusted collaborator for engineering and support teams seeking faster issue resolution, improved system reliability, and scalable technical solutions.

CORE COMPETENCIES

Systems Administration & Infrastructure

Windows 10/11, Active Directory, Group Policy, SCCM, PXE Imaging, Exchange Distribution Lists.

Security Monitoring & Investigation

Log Analysis, Incident Triage, Root Cause Analysis, Endpoint Diagnostics, System Troubleshooting, Network Traffic Analysis, Packet Analysis (Wireshark), Anomaly Detection.

Automation & Scripting:

Python, PowerShell, JavaScript, Bash, Task Automation.

Network & Endpoint Support:

Network Troubleshooting, Connectivity Diagnostics, Endpoint Remediation, System Health Monitoring.

Application & Platform Support:

Deployment Validation, Release Support, Configuration Management, SolarWinds, ServiceNow, Active Directory Administration

DevOps & Development

Lua, MySQL, Java, C++, HTML, Server Infrastructure Debugging

Security & Systems Engineering

Vulnerability Scanning, Diagnostics Tools, Infrastructure Stability, Log Investigation.

EXPERIENCE

Diagnosed and resolved complex production application failures by reproducing issues, analyzing system and application logs, and identifying root causes.

Strengthened deployment reliability by validating configuration updates and code changes prior to production rollout.

Enabled continued operation of legacy enterprise systems by implementing Windows 11 compatibility solutions for critical applications.

Identified and triaged endpoint upgrade failures using SolarWinds, accelerating resolution of system issues across enterprise environments.

Administered and secured enterprise identity environments by configuring Active Directory objects, group policies, and Exchange distribution lists.

Engineered Python utilities that automated log collection and troubleshooting processes to accelerate investigations.

Provisioned and configured enterprise workstations using SCCM and PXE imaging to standardize endpoint deployments across statewide agencies.

Automated workstation configuration tasks by developing PowerShell scripts that streamlined application installations and system setup.

Triaged and escalated infrastructure incidents through ServiceNow and SolarWinds to restore system functionality quickly.

Enforced secure user access controls by performing high-volume identity management and password reset operations.

Troubleshot network connectivity disruptions and coordinated with telecom providers to restore service.

Sustained infrastructure reliability through system health checks, backup validation, and operational maintenance.

Maintained enterprise workstation and hardware environments supporting internal business operations.

Administered user identities and permissions across Windows and UNIX systems.

Reinforced endpoint security controls by assisting with software patching, configuration updates, and drive encryption initiatives.

Diagnosed and remediated system and application issues through remote technical support.

Implemented system configuration changes and upgrades that improved infrastructure stability.

Delivered responsive technical support across multiple business units.

Responded to endpoint alerts involving tax and financial software, resolving 90% of security-related cases without escalation.

Managed MFA troubleshooting and identity verification, cutting account lockouts by 25%.

Escalated potential account breaches to security teams for further investigation, preventing unauthorized access.

Educated users on secure handling of sensitive financial data, improving compliance with privacy requirements.

Logged and tracked patterns of recurring technical issues, helping engineering teams identify vulnerabilities.

Followed all security procedures when handling PII, ensuring compliance with federal data protection standards.

LABS/ PROJECTS

MULTIPLAYER SERVER INFRASTRUCTURE ENGINEERING (FIVEM)

Designed and deployed a multiplayer server environment demonstrating systems administration, scripting automation, and backend infrastructure management. Engineered custom Lua scripts and MySQL integrations to support gameplay systems, permissions management, and server-side functionality while diagnosing runtime issues through log analysis and debugging. Managed deployments, configuration updates, and backups to maintain server stability and uptime while creating configuration templates that streamlined future deployments and reduced maintenance complexity.

NETWORK VULNERABILITY SCANNER (PYTHON)

Developed a Python-based vulnerability scanning tool capable of identifying exposed network services, enumerating open ports, and detecting potential attack surfaces. Integrated automated CVE lookup functionality to correlate discovered services with known vulnerabilities, enabling faster security analysis and prioritization of remediation efforts. Automated scanning workflows to improve efficiency during security assessments and generate structured reports that support vulnerability identification and risk mitigation.

REMOTE SUPPORT & DIAGNOSTICS TOOL

Engineered a lightweight remote diagnostics utility designed to accelerate troubleshooting and endpoint analysis. Built automated health checks and centralized log collection capabilities that gather system configuration data and diagnostic outputs from remote systems. Streamlined troubleshooting workflows by reducing manual investigation time and enabling faster identification of system and application issues during remote technical support operations.

HOME NETWORK SECURITY MONITORING LAB (RASPBERRY PI)

Configured and built a Raspberry Pi–based network monitoring environment to analyze traffic across IoT devices, security cameras, gaming consoles, and personal computers on a home network. Captured and analyzed network traffic using Wireshark and packet inspection tools to observe device communication patterns and identify unusual or unauthorized connections. Automated logging and monitoring workflows to track device behavior and improve visibility into endpoint activity. The environment strengthened hands-on experience with network traffic analysis, anomaly detection, and security monitoring within a real-world network environment.

EDUCATION

A.A.S. Information Technology Purdue Global University

609-***-**** · ***.******@*******.***

SOFTWARE DEVELOPER (APPLICATION SUPPORT) DEPARTMENT OF BANKING AND INSURANCE FEB ‘23 – JAN ‘26

IT SUPPORT SPECIALIST NEW JERSEY OFFICE OF INFORMATION TECHNOLOGY JAN ‘22 - FEB ‘23

IT SUPPORT II TRENTON CITY HALL MAR ’21 – JAN ‘22

IT SPECIALIST SYKES ENTERPRISES MAY ‘10 – MAR ‘21

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