• Craft security requirements for home team projects.• Provide security consultancy for project teams.• Whole of government initiatives – security awareness, security health scorecard and application security scanning. • Security governance for home team projects.• Develop and review security policies and standards. • Communicate and work with people from all levels.

• Security subject matter expert for projects.• Draft security requirements for national e-health platform.• Evaluate and validate security posture of application architecture.• Ensures compliance to security policies and regulatory requirements.• Perform security reviews and audit of IT systems.• Develop and review security policies.• User awareness and training.• Vulnerability and threat assessment.• Risk management and penetration testing.

• Developed plugins for Oracle single sign-on.• Develop personal health record application and web portal.• Support and fix security bugs identified during penetration testing.• Troubleshoot production and performance issues on the infrastructure.

• Collaborate with 2FA token partners to provide strong authentication and identity access management solution.• Performance tuning on very large database for Ministry of Defence. • Project lead for Disaster Management Project.• Develop Digital Asset Management application. • Setup staging and demo environment for China Hi-Tech Fair.• Setup development infrastructure for technical team.

• Did rapid prototyping to showcase concepts. Created mockup pages for Try-N-Buy programme for executive summary presentation.• Involved in the full system development lifecycle for Try-N-Buy program (part of a larger Oracle Outsourcing initiative). Tasked to do definition, architecting, design, coding and integration.• Evaluated software platform technology. Compare the strengths of the different technology and to choose the most appropriate ones for the technology stack. Enumerate through multiple technical options, and came up with a practical design.• Established rapport with development team in Oracle HQ. An important part of the training is to provide feedback to the development team. Most importantly, to understand their protocol and style of working.• Did gap analysis to find out the components that needs to be developed on top of the Oracle product to fulfill a business requirement.

• Project Lead for deployment of the billing application to the Ports of Dalian (China), Seattle (USA) and other PORTNET International web sites.• Ensure deliverables from system integrators meet the user requirements and to test the product to ensure quality compliance.• Supervise contract programmers, assign them tasks and ensure the programs meet the minimum quality standards.• Write test specs and plan for internal module testing.• Support and solve production problem during bill run.