NATHANIEL BREFO
Brampton
Summary
Results-driven Cybersecurity professional with over 10 years of IT network infrastructure expertise. Demonstrated success in implementing enterprise-wide security solutions and optimizing network performance. Recently enhanced expertise through MSc in Cybersecurity, specializing in threat intelligence and vulnerability analysis. Proven track record of delivering secure IT solutions while maintaining 99.9% uptime in fast-paced environments.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Service Desk Supervisor
Kosmos Energy
01.2025 - Current
- Led and mentored team of 5 service desk analysts, achieving 95% customer satisfaction rating and reducing staff turnover by 40%
- Implemented ITIL-based service management framework, improving first-call resolution rate from 65% to 85%
- Established KPI monitoring system and SLA tracking, resulting in 30% improvement in response times and 98% SLA compliance
- Managed annual budget for service desk operations and security infrastructure upgrades
- Streamlined incident escalation procedures, reducing critical incident resolution time by 60%
- Implemented automated ticket routing system (Freshservice), increasing team productivity by 25%
Service Desk Analyst
Kosmos Energy
08.2010 - 12.2024
- Architected and deployed secure network infrastructure supporting 100+ users, resulting in zero security breaches
- Reduced security incidents by 40% through implementation of comprehensive security awareness training program
- Streamlined access management processes by restructuring Active Directory groups, reducing user provisioning time by 60%
- Designed and implemented secure remote access solutions for offshore oil rig facilities, ensuring 24/7 operational continuity
- Achieved 99.9% SLA compliance through strategic monitoring and rapid incident response
- Reduced mean time to resolution (MTTR) by 45% through enhanced alarm management and prioritization systems
Education
Master of Science - Cybersecurity
Maryville University
12.2024
Bachelor of Science - Computer Science
Kwame Nkrumah University of Science and Technology
06.2009
Skills
- SIEM Implementation
- Incident Response
- Cloud Security Configuration
- Identity & Access Management
- Wireshark
- Splunk
- Elastic
- Magnet Axiom
- Active Directory
- VMware
- Python
- MySQL
- Cisco ASR 902
- ISR 4331
- Catalyst 3850
- FortiGate Firewalls
- Palo Alto
- Meraki
- Mikrotik RouterBoard
Certification
- Cybersecurity Incident Response, Maryville University, 2024
- Cybersecurity Penetration Testing, Maryville University, 2024
- Cisco Certified Entry Networking Technician (CCENT)
References
Available upon request
Timeline
Service Desk Supervisor
Kosmos Energy
01.2025 - Current
Service Desk Analyst
Kosmos Energy
08.2010 - 12.2024
Master of Science - Cybersecurity
Maryville University
Bachelor of Science - Computer Science
Kwame Nkrumah University of Science and Technology
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