Joshua
Purple Team Operations Lead
Cloud Security | SOC Architecture | Adjunct Lecturer
Profile
Certified cybersecurity professional with over a decade of experience, including 8 years specializing in defensive and offensive security strategies across enterprise and different sectors. Proven expertise in red teaming, ethical hacking, and advanced penetration testing—delivering realistic threat simulations and security workshops to upskill teams and build resilience. Currently leading SOC operations for major financial institution while educating the next generation as an Adjunct Lecturer in Ethical Hacking.
Technical Expertise
Purple team capabilities and security operations
Certifications
Industry-recognized security credentials
Offensive Security Professional
Oct 2023Offensive Security Experienced Penetration Tester
Mar 2024Offensive Security Web Expert
Jun 2024Certified Red Team Professional
Sep 2024Splunk Certified Professional
Aug 2022Experience
Professional journey in security operations
MAJOR FINANCIAL INSTITUTION
IT Security Lead, VP
Feb 2025 - Present
- ▸Led SOC design and deployment for banking sector, integrating MSSP to monitor on-prem and hybrid cloud environments
- ▸Deployed full-stack SIEM for centralized logging, detection, and alerting aligned with regulatory frameworks
- ▸Developed cyber incident playbooks and orchestrated internal blue team drills
- ▸Hardened cloud IAM and enforced zero trust via continuous monitoring and PAM integration
- ▸Led phishing awareness campaigns and tabletop exercises, improving employee detection rates
PREMIER UNIVERSITY
Adjunct Lecturer for Ethical Hacking
Jan 2025 - Present
- ▸Taught ethical hacking and penetration testing modules with real-world labs
- ▸Conducted offensive and defensive cyber scenarios using industry-standard tools
- ▸Introduced students to cloud security, identity management, and contemporary real-world incidents
- ▸Supervised final-year projects and provided individual mentorship on cyber security
GLOBAL TECH ENTERPRISE
Privacy Lead Engineer (APAC)
Mar 2024 - Sep 2024
- ▸Led APAC Offensive Privacy Team to design and execute exercises identifying privacy risks
- ▸Conducted privacy risk assessments and developed strategies ensuring regulatory compliance
- ▸Managed privacy incident response, minimizing impact and ensuring rapid resolution
- ▸Led efforts to embed security best practices into software development lifecycle
- ▸Developed automation scripts for continuous security testing integrated into CI/CD pipelines
GLOBAL AUTOMOTIVE ENTERPRISE
Cyber Security Manager
2019 - Mar 2024
- ▸Directed 24/7 security operations team across global time zones
- ▸Defined enterprise-wide identity strategy using cloud identity platforms
- ▸Integrated SOC functions with infrastructure monitoring for full-stack visibility
- ▸Led red teaming operations to assess and improve endpoint detection systems
- ▸Provided ethical hacking and red teaming training with hands-on workshops and APT simulations
Education
Bachelor of Science in Cyber Forensic, Information Security, and Business
Murdoch University, Australia
Jan 2014 - Jan 2017
Diploma of Business Information Technology
Temasek Polytechnic, Singapore
Jan 2002 - Jan 2005
REDFACE Philosophy
"Purple teaming: Where offense meets defense, and security becomes resilience."