Dennis O'Reilly Email & Phone Number
Practice Lead: Cyber Ops
5 free lookup(s). No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
Dennis O'Reilly Location
- Gauteng, South Africa
Dennis O'Reilly Work
- Practice Lead: Cyber Ops @ Dotcom Cyber Security (June 2026 - Present)
- Principal @ DotCom Security Solutions (Pty) Ltd (January 2020 - Present)
- Senior Security Engineer @ (January 2016 - January 2020)
- Senior Security Engineer @ DataTegra (November 2012 - June 2016)
- Solutions Architect @ DataTegra (January 2012 - January 2016)
- Information Technology Security Engineer @ (January 2011 - January 2012)
- Server Administrator @ IBM South Africa (January 2009 - January 2011)
- Network Support Technician @ Huge Telecom (January 2008 - January 2009)
Dennis O'Reilly Education
- Damelin
Certificate (Computer Science)
2006-2006 - Carletonville High School
Senior Certificate (Grade 12) (Mathematics)
1998-2004 - Damelin West Rand
Bachelor of Computer Engineering
- Western Colleges, Inc.
N1 National Certificate (Engineering Studies)
- Carletonville High School
High School Diploma (Grade 12)
Dennis O'Reilly Skills
- Active Directory
- Amazon Web Services (AWS)
- Cloud Computing
- Computer Security
- Cybersecurity
- DNS
- Digital Forensics
- Disaster Recovery
- Domain Name System (DNS)
- Firewalls
- Hyper-V
- Incident Response
- Information Security
- Information Technology
- Managed Services
- Management
- Microsoft Azure
- Microsoft Defender
- Microsoft Exchange
- Nutanix AHV
- Operating Systems
- Powershell
- Security
- Servers
- Sonicwall
- Symantec Knight
- Technical Support
- VMware vSphere
- Virtualization
- Windows Server
Dennis O'Reilly Summary
- Dennis O'Reilly, based in Gauteng, South Africa, is currently a Practice Lead: Cyber Ops at Dotcom Cyber Security. Dennis O'Reilly brings experience from previous roles at DotCom Security Solutions (Pty) Ltd, Datacentrix and DataTegra. Dennis O'Reilly holds a 2006 - 2006 Certificate in Computer Science @ Damelin. With a robust skill set that includes Active Directory, Amazon Web Services (AWS), Cloud Computing, Computer Security, Cybersecurity and more. Dennis O'Reilly has 1 mobile phone numbers on RocketReach.
Looking for a different Dennis O'Reilly?
Find contact details for 700 million professionals.
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co