Aaron T. profile photo 1 on Tal

Aaron T.

Cybersecurity Architect (CISSP) | Cybersecurity & Risk Governance | Bridging Technical & Business Needs to Build Scalable, Secure Infrastructure

Singapore

24+ years of work experience

ST Engineering
Apr 20242 yrs 3 mosPresent

1) Design and deliver end-to-end security training programs covering physical security, information security, and incident response. 2) Develop a comprehensive cloud compliance framework aligned with DevSecOps and modern tech stacks, empowering security auditors in cloud-native environments. 3) Lead independent 2nd-level security audits for defense sector projects, ensuring full alignment with the Industry Security Manual (ISM) and delivering actionable remediation plans. 4) Produce scalable security awareness campaigns and live training sessions, driving measurable improvements in security posture and user compliance.
ST Engineering
May 20221 yr 11 mosMar 2024

Singapore

1) Formulated short- and long-term IT and cybersecurity roadmaps, providing expert leadership in architecting group-level security infrastructure and governance frameworks. 2) Championed proactive cyber and technology risk mitigation strategies through comprehensive controls, continuous monitoring, and incident response procedures. 3) Conducted in-depth cybersecurity audits for defense project networks, ensuring strict adherence to regulatory standards. 4) Led digital transformation and automation initiatives across on-premises and cloud environments, streamlining operations and configuration management.
OCBC Bank
Jan 20193 yrsDec 2021

Singapore

1) Contributed to the design and implementation of the enterprise cloud landing zone, providing architectural input for secure, policy-compliant cloud adoption. 2) Built and maintained the Red Hat OpenShift platform, delivering Container as a Service (CaaS) to accelerate cloud-native adoption. 3) Evaluated and validated distributed SQL/NoSQL databases and peripheral services (Kafka, Redis, Elasticsearch) for enterprise scalability. 4) Developed IaC automation scripts (Terraform, Bash) and enhanced CI/CD workflows (Maven, Jenkins, Jira) to accelerate secure deployments.
Bank of Singapore
Nov 20144 yrs 2 mosDec 2018

1) Provided architecture governance and technical oversight across strategic initiatives, ensuring alignment with business objectives in Wealth Management. 2) Led architectural reviews and design assurance for key security transformations, including Endpoint Protection, Data Loss Prevention (DLP) rollout, and Database Activity Monitoring (DAM). 3) Oversaw architecture for high-impact programs: Wealth Suite Core System, O365 Build Up, Cloud Federation/SSO, and Corporate VPN technical refresh. 4) Supported the Core Infrastructure Roadmap by standardizing technology taxonomy and driving modernization efforts across the enterprise.
Bank of Singapore
Oct 20131 yr 1 moOct 2014

1) Partnered with the Enterprise Architecture team to design an automated application testing infrastructure, accelerating deployment cycles. 2) Managed global OS rollouts and technology refreshes for ~3,000 devices across remote sites with minimal disruption. 3) Conducted proof of concept (POC) for enterprise communications, facilitating Active Directory schema extensions.
JPMorgan Chase
Nov 20121 yrOct 2013

Singapore

1) Managed global File Services and DFS infrastructure, leading storage capacity planning and providing 24x7 'follow the sun' support. 2) Executed disaster recovery tests to validate system resilience and business continuity.
UBS
Jun 20102 yrs 6 mosNov 2012

Singapore

1) Led end-to-end service delivery and project execution across APAC Emerging Markets and global vendor-operated offshore delivery centers, enforcing disciplined change, incident, and problem management practices.
UBS
Dec 20097 mosJun 2010

Singapore

1) Participated in the design and deployment of the Windows 2008 R2 Active Directory Forest. 2) Migrated physical servers to VMware ESXi clusters, reducing APAC domain controller footprint by 20%.
UBS
Aug 20018 yrs 5 mosDec 2009

Singapore

1) Designed and documented Exchange cluster architecture; planned Active Directory schema upgrades across four APAC forests. 2) Engineered and deployed secured remote access gateways, secured FTP solutions, and a password management portal.

Education

RMIT University

Bachelor, Applied Science (Information Technology)

RMIT University

20022 yrs2004
CFTE - Centre for Finance, Technology and Entrepreneurship

AI in Finance, Fintech

CFTE - Centre for Finance, Technology and Entrepreneurship

20182018

Join Aaron and 10k+ other professionals on

Tal Boss

Tal is the app where bosses meet engineers & builders directly, without middlemen

Download Tal Boss

Aaron T. on Tal

Headline

Cybersecurity Architect (CISSP) | Cybersecurity & Risk Governance | Bridging Technical & Business Needs to Build Scalable, Secure Infrastructure

About

I am a CISSP-certified Cybersecurity Architect with over 24 years of enterprise IT experience, including 12+ years dedicated to Wealth Management and Investment Banking. My career is defined by designing, deploying, and governing secure, scalable infrastructure and robust perimeter defenses across highly regulated sectors. I specialize in bridging the gap between technical requirements and business objectives to deliver risk-aligned cybersecurity strategies and secure digital transformations. My background spans leadership roles in defense and finance, where I have managed global engineering teams, led independent 2nd-level security audits, and formulated comprehensive cloud compliance frameworks.

Location

Singapore

Work experience

Security Inspectorate, Digital Systems at ST Engineering, Apr 2024 - Present · 2 yrs 3 mos, 1) Design and deliver end-to-end security training programs covering physical security, information security, and incident response. 2) Develop a comprehensive cloud compliance framework aligned with DevSecOps and modern tech stacks, empowering security auditors in cloud-native environments. 3) Lead independent 2nd-level security audits for defense sector projects, ensuring full alignment with the Industry Security Manual (ISM) and delivering actionable remediation plans. 4) Produce scalable security awareness campaigns and live training sessions, driving measurable improvements in security posture and user compliance.

Head of IT & Cybersecurity, Advanced Networks & Sensors at ST Engineering, May 2022 - Mar 2024 · 1 yr 11 mos, Singapore, 1) Formulated short- and long-term IT and cybersecurity roadmaps, providing expert leadership in architecting group-level security infrastructure and governance frameworks. 2) Championed proactive cyber and technology risk mitigation strategies through comprehensive controls, continuous monitoring, and incident response procedures. 3) Conducted in-depth cybersecurity audits for defense project networks, ensuring strict adherence to regulatory standards. 4) Led digital transformation and automation initiatives across on-premises and cloud environments, streamlining operations and configuration management.

Cloud Engineering, Group Cloud (Tech Infrastructure Modernization) at OCBC Bank, Jan 2019 - Dec 2021 · 3 yrs, Singapore, 1) Contributed to the design and implementation of the enterprise cloud landing zone, providing architectural input for secure, policy-compliant cloud adoption. 2) Built and maintained the Red Hat OpenShift platform, delivering Container as a Service (CaaS) to accelerate cloud-native adoption. 3) Evaluated and validated distributed SQL/NoSQL databases and peripheral services (Kafka, Redis, Elasticsearch) for enterprise scalability. 4) Developed IaC automation scripts (Terraform, Bash) and enhanced CI/CD workflows (Maven, Jenkins, Jira) to accelerate secure deployments.

Technical Architect (Security & Infrastructure), Enterprise Architecture at Bank of Singapore, Nov 2014 - Dec 2018 · 4 yrs 2 mos, 1) Provided architecture governance and technical oversight across strategic initiatives, ensuring alignment with business objectives in Wealth Management. 2) Led architectural reviews and design assurance for key security transformations, including Endpoint Protection, Data Loss Prevention (DLP) rollout, and Database Activity Monitoring (DAM). 3) Oversaw architecture for high-impact programs: Wealth Suite Core System, O365 Build Up, Cloud Federation/SSO, and Corporate VPN technical refresh. 4) Supported the Core Infrastructure Roadmap by standardizing technology taxonomy and driving modernization efforts across the enterprise.

Solution Delivery Manager, Project Management Office at Bank of Singapore, Oct 2013 - Oct 2014 · 1 yr 1 mo, 1) Partnered with the Enterprise Architecture team to design an automated application testing infrastructure, accelerating deployment cycles. 2) Managed global OS rollouts and technology refreshes for ~3,000 devices across remote sites with minimal disruption. 3) Conducted proof of concept (POC) for enterprise communications, facilitating Active Directory schema extensions.

Regional Team Lead, Tier 3 File and Print Operations at JPMorgan Chase, Nov 2012 - Oct 2013 · 1 yr, Singapore, 1) Managed global File Services and DFS infrastructure, leading storage capacity planning and providing 24x7 'follow the sun' support. 2) Executed disaster recovery tests to validate system resilience and business continuity.

IT Service Delivery & Project Management at UBS, Jun 2010 - Nov 2012 · 2 yrs 6 mos, Singapore, 1) Led end-to-end service delivery and project execution across APAC Emerging Markets and global vendor-operated offshore delivery centers, enforcing disciplined change, incident, and problem management practices.

Wintel Core Services & Active Directory Engineer at UBS, Dec 2009 - Jun 2010 · 7 mos, Singapore, 1) Participated in the design and deployment of the Windows 2008 R2 Active Directory Forest. 2) Migrated physical servers to VMware ESXi clusters, reducing APAC domain controller footprint by 20%.

Wintel Team Lead (Wealth Management) at UBS, Aug 2001 - Dec 2009 · 8 yrs 5 mos, Singapore, 1) Designed and documented Exchange cluster architecture; planned Active Directory schema upgrades across four APAC forests. 2) Engineered and deployed secured remote access gateways, secured FTP solutions, and a password management portal.

Education

Bachelor, Applied Science (Information Technology), RMIT University

AI in Finance, Fintech, CFTE - Centre for Finance, Technology and Entrepreneurship