Rebuilding Singpass Login to improve reliability, security and reduction in cost.

Singpass, the National Digital Identity (NDI) initiative, provides a convenient and secure platform for users - both citizens and businesses - to transact with the Government and other private service providers.As a Solution Architect, I contribute in many ways through various initiatives to improve the reliability, resiliency, security and availability of NDI.

Deliver PKI solutions for customers including the setup of HSM, Microsoft CA, web enrolment services, network device enrolment services, online certificate status protocol. Deliver DLP solutions into existing environment for customers. Enforce hardening based on CIS guidelines for operating systems, applications and databases. Assist customers to resolve non-compliance from VA results. Perform system integration testing and user acceptance testing. Provide maintenance support for deployed solutions.- Install, configure, test, deploy and support solutions/software applications for customers- Preparation of relevant technical documentation for solutions- Provide extensive variety of technical help including troubleshooting and technical support- Provide support to the sales team, project team and customers- Liaise with principals or 3rd party vendors on technical support issues and follow-up to resolution

Experience in development of cryptographic solutions. Use of HSM APIs to develop applications to perform cryptographic operations for example, performing encryption or digital signature functions. Developed self-signed standalone CA module with the option to use a certificate signed by another CA. Developed cryptographic functions for the issuance of X.509 certificates in known formats and containers. Developed the DES and AES algorithm with block and stream ciphers for in-house applications. Led a team to design and deliver the E-Passport solution.- Knowledge in PKI, Cryptography and HSM- Providing E-Passport, E-Visa, Public Key Directory, Border Control and Security solutions- Unifying people, process and technology to design, develop and deploy secure applications- Managing external consulting partners and service subcontract on customise solution- Conducting research for emerging technology from security perspective- Providing assistance on understanding of customer IT and security requirements and challenges- Designing the services or solutions meeting with objectives- Responsible for the design and implementation of security services and customise solutions- Responsible in developing and maintaining in-house and customer's applications- Performing software design, development, testing, integration, deployment and documentation of all deliverable- Conducting feasibility study and preparing technical specifications and end user instructions documentation- Conducting presentations, demos and trainings for current and new solutions

- Performed programming duties for a project (NSMen Pay System)- Other ad hoc duties assignedAchievements :- Certificate of Achievement (Merit) DSTA Internship Programme