Nicholas Corley-Byrne
Ottawa
Summary
Detail-oriented and knowledgeable Network Security professional with hands-on experience in Cisco networking (CCNA standards), Linux system administration, firewall management, and security operations. Skilled in troubleshooting hardware, software, and firmware issues, maintaining secure computing environments, and automating tasks using ANSIBLE, Bash, and Python. Proficient in risk assessment, vulnerability management, SIEM tools, and secure network design. Experienced in deploying OS upgrades, responding to system alerts, resolving client tickets, and performing system backups. Strong team collaborator with a focus on productivity, system optimization, and infrastructure reliability.
Overview
1
1
year of professional experience
Work History
Co-Op Student
Shared Services - Mainframe Operations
09.2023 - 05.2024
- Worked in team environment to maintain high levels of productivity.
- Shadowed personnel, learning safe and effective operation of systems.
- Deployed OS upgrades on client virtual machines.
- Responded to system alerts and console messages, taking corrective actions based on established procedures.
- Automating backups using scripting (ANSIBLE, BASH)
- Resolved various client tickets.
- Collaborated with application development teams to resolve production job failures and optimize performance.
- Conducted routine system health checks and escalated issues to system administrators as needed.
- Performed scheduled system backups and data restores to maintain system integrity and data availability.
Education
Advanced Diploma - Computer Systems Technology - Security
Algonquin College
Ottawa, ON04-2025
Diploma - Computer Systems Technician - Networking
Algonquin College
Ottawa, ON08-2024
Skills
- Knowledgeable with Cisco Networking conforming to CCNA standards
- Troubleshooting hardware, firmware and software issues on desktops and laptops
- Creating and maintaining infrastructure related to cisco networks
- Establishing and controlling GPOs, Management and Account Creation
- Implement and maintain secure computing environments
- Automate routine tasks using scripting tools and programming languages (ANSIBLE, Bash, Python)
- Firewall Management (Palo Alto, Cisco ASA, Fortinet)
- Intrusion Detection and Prevention Systems
- Risk Assessment and Vulnerability Management
- Security Information and Event Management (SIEM)
- Secure Network Design and Architecture
- Proficient in using common Linux diagnostic tools (tcpdump, netstat, journalctl)
Languages
English
Native or Bilingual
French
Limited Working
Timeline
Co-Op Student
Shared Services - Mainframe Operations
09.2023 - 05.2024
Advanced Diploma - Computer Systems Technology - Security
Algonquin College
Diploma - Computer Systems Technician - Networking
Algonquin College
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