Barry O'Callaghan Location
- Tokyo, JP
Barry O'Callaghan Work
- 2024 -now Senior Manager @
- 2021 -2024 Specialist Leader @
- 2021 -2021 Specialist Master @
- 2019 -2021 Cyber Security Manager @
- 2018 -2019 Senior Information Security Engineer @
- 2017 -2018 Cyber Security Analyst @
- 2017 -2017 Senior Information Technology Engineer @
- 2015 -2017 Senior Information Technology Engineer @
- 2010 -2015 Senior Information Technology Engineer @
- 2005 -2010 Senior Information Technology Specialist @
Barry O'Callaghan Education
- Royal Holloway, University of London
Master of Science - MS (Cyber Security)
2023-2026 - Dublin Business School
Computing (Computer Software Engineering)
Barry O'Callaghan Skills
- OS/400
- Information Security
- Windows Server
- Linux
- Cisco Technologies
- Data Center
- Computer Hardware
- Cybersecurity
- ITIL
- Windows
- Mobile Security
- Software Installation
- Lotus Notes
- Operating Systems
- Cyber Defense
- Triathlon
- Troubleshooting
- Incident Management
- Query400
- IBM Servers
- Penetration Testing
- System Administration
- TSM
- Mimix
- Cloud Security
- Vulnerability Management
- Virtualization
- Performance Tuning
- BRMS
- Risk Assessment
- AS400 Administration
- IBM AS/400
- IT Operations
- Network Security
- AS400 system
- BMC Remedy
- Disaster Recovery
- Cyber Threat Intelligence Cti
- Cisco IOS
- Windows 7
- Technical Support
- Microsoft Certified Professional
- Threat And Vulnerability Management
- IT Service Delivery
- SQL
- Hardware
- High Availability
- Red Teaming
- Security
- HMC
- Servers
- Cl Programming
- Service Delivery
- System Deployment
- IBM iSeries
- VMware
- Integration
- IT Security Operations
- Vio
- Ethical Hacking
- Python Programming Language
- IBM Power
- Databases
- Cyber Threat Intelligence
- Python
Barry O'Callaghan Summary
- Barry O'Callaghan, based in Tokyo, JP, is currently a Senior Manager at PwC Japan. Barry O'Callaghan brings experience from previous roles at Deloitte, PwC Japan and Nomura. Barry O'Callaghan holds a 2023 - 2026 Master of Science - MS in Cyber Security @ Royal Holloway, University of London. With a robust skill set that includes OS/400, Information Security, Windows Server, Linux, Cisco Technologies and more. Barry O'Callaghan has 3 emails on RocketReach.
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