HTX is the world’s first Science and Technology agency that integrates a diverse range of scientific and engineering capabilities to innovate and deliver transformative and operationally ready solutions for homeland security. As a statutory board of the Ministry of Home Affairs and integral to the Home Team, HTX works at the forefront of science and technology to empower Singapore’s frontline of security. Our shared mission is to amplify, augment and accelerate the Home Team’s advantage and secure Singapore as the safest place on planet earth.
The appoint holder is the senior principal engineer that is responsible for the design of enterprise architecture for applications running on cloud platforms including on-premise cloud, commercial cloud and SaaS cloud.
We are seeking an accomplished Senior Principal Engineer to serve as a Cloud Enterprise Architect responsible for designing, implementing, and optimizing both application and infrastructure architecture across our cloud environment. This role requires a deep understanding of cloud technologies, enterprise applications, and robust security practices. You will be instrumental in defining and evolving our cloud architecture strategy, ensuring secure, scalable, and resilient cloud solutions, and collaborating with cross-functional teams to drive transformational projects. Your expertise in cybersecurity will be crucial to safeguarding our systems, data, and customer trust.

Senior Principal Engineer, xCloud
Home Team Science and Technology Agency (HTX)
Permanent/Contract
Closing on 28 Feb 2025
What the role is
What you will be working on
1. Architectural Leadership:
o Design and lead the implementation of cloud-native and hybrid applications and infrastructure solutions that meet business, technical, and security requirements.
o Develop and enforce architecture principles, policies, and governance for cloud adoption, ensuring alignment with business goals and best practices.
o Define and document architectural patterns, standards, and best practices for cloud environments, including public, private, and hybrid models.
2. Enterprise Application & Infrastructure Integration:
o Provide technical leadership for integrating enterprise applications with cloud platforms, optimizing performance, reliability, and scalability.
o Drive the design and deployment of microservices-based architectures, ensuring loose coupling, resilience, and scalability.
o Provide technical guidance across the full SDLC, from design to deployment, including CI/CD pipelines and automated testing.
o Collaborate with engineering teams to incorporate agile practices, encouraging iterative development, feedback loops, and continuous improvement.
o Design and enforce cloud security frameworks, ensuring compliance with industry standards.
o Identify and mitigate security risks by developing secure-by-design architectures, vulnerability management practices, and continuous monitoring processes.
3. Cross-Functional Collaboration:
o Partner with product, engineering, and IT teams to understand business needs and translate them into scalable, secure, and cost-effective cloud solutions.
o Engage with stakeholders to review architecture proposals, ensure alignment with enterprise architecture goals, and obtain buy-in for strategic initiatives.
o Mentor and coach engineering teams on cloud best practices, fostering an organization-wide culture of technical excellence and security-first development.
4. Continuous Improvement and Innovation:
o Stay current with emerging cloud and cybersecurity trends, tools, and technologies to enhance the organization’s cloud capabilities.
o Lead initiatives for performance optimization, cloud cost management, and continuous improvement, aiming for operational efficiency and budgetary control.
o Develop proof of concepts (POCs) and pilot programs for evaluating new technologies that can add value to the organization.
What we are looking for
• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 10+ years of experience in cloud architecture, application development, and/or infrastructure engineering with a strong focus on cybersecurity.
• Proven experience architecting and deploying secure, scalable, and resilient cloud solutions in AWS, Azure, or Google Cloud.
• In-depth knowledge of enterprise security frameworks, thread modelling and cloud security.
• Hands-on software development experience with DevSecOps practices, CI/CD pipelines, and infrastructure as code.
• Strong problem-solving skills with the ability to analyze complex issues, design innovative solutions, and drive results.
• Excellent communication and leadership skills, with a track record of influencing cross-functional teams and stakeholders.
All new hires are appointed on a two-year contract in the first instance and will be assessed and considered for permanent tenure over time, based on performance.
As part of the shortlisting process for this role, you may be required to complete a medical declaration and/or undergo further assessment.
All applicants will be updated on the status of their applications within 4 weeks upon closing of the advertisement.
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About Home Team Science and Technology Agency (HTX)
HTX is the world’s first Science and Technology agency that integrates a diverse range of scientific and engineering capabilities to innovate and deliver transformative and operationally-ready solutions for homeland security. As a statutory board of the Ministry of Home Affairs and integral to the Home Team, HTX works at the forefront of science and technology to empower Singapore’s frontline of security. Our shared mission is to amplify, augment and accelerate the Home Team’s advantage and secure Singapore as the safest place on planet earth.