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Mendell User

@mendelluser

Cybersecurity trainee at RapidAscent / City University of Seattle practicing Splunk investigations and Windows event log analysis.

United States

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What I'm looking for

I’m transitioning into cybersecurity and seeking opportunities to apply my hands-on training in SIEM, log analysis, incident investigation, and IT operations.

At RapidAscent / City University of Seattle, I practice security monitoring through hands-on labs with Splunk searches, Windows event logs, and Sysmon. I also complete guided exercises involving detection rules, SIEM queries, and investigation findings.

My training includes configuring and investigating Windows Server, Active Directory, and Linux environments. I’ve also practiced network traffic analysis with Wireshark and Nmap, along with vulnerability assessment and digital forensics.

At Allied HDS, LLC, I provided help desk support for access, software, hardware, and connectivity issues. I assisted with password resets and remote Windows support, tracked requests, documented resolutions, and escalated issues.

At Leidos, I supported Department of Defense healthcare IT systems and used Remedy to record operational issues. Earlier, I operated and maintained military communications equipment in the U.S. Army, supporting network connectivity and troubleshooting.

Experience

Work history, roles, and key accomplishments

Current

Cybersecurity Trainee

Current

RapidAscent / City University of Seattle

Jul 2026 - Present (4 months)

Performed hands-on labs involving Splunk searches, Windows event and Sysmon log analysis, threat identification, and incident investigation. Completed guided security exercises and practiced network traffic analysis using Wireshark and Nmap.

Splunk SIEM Log Analysis Sysmon MITRE ATT&CK Incident Response Wireshark Nmap Windows Server Active Directory Linux Vulnerability Assessment Digital Forensics

Help Desk Technician

Allied HDS, LLC

Jan 2023 - Jun 2023 (5 months)

Provided user-facing technical support, troubleshooting access, software, hardware, and connectivity issues. Assisted users with password resets, account access, and remote Windows support while following ticket workflows.

Help Desk Troubleshooting Password Resets Account Access Remote Support Ticket Management

Systems Operator

Leidos

Feb 2022 - Aug 2022 (6 months)

Supported Department of Defense healthcare IT systems, monitoring operations and following established procedures for system issues. Used Remedy ticketing to record operational issues and coordinate support activities with other teams.

Remedy Ticketing System Monitoring Troubleshooting Escalation Management Documentation

Educator

Richmond County Board of Education

Sep 2019 - Jan 2022 (2 years 4 months)

Educator at Richmond County Board of Education from September 2019 to January 2022.

Multichannel Transmission Systems Operator-Maintainer

U.S. Army

Aug 2009 - Mar 2013 (3 years 7 months)

Operated and maintained military communications equipment and supported network connectivity in mission-focused environments. Conducted routine inspections and preventive maintenance of communications systems to support equipment readiness.

Communications Equipment Network Connectivity Troubleshooting Preventive Maintenance Technical Support