📍 Job Overview

Job Title: Principal/Senior/Executive Engineer (Solution Architect – Cloud AFC & Payments)
Company: Public Service Division
Location: Singapore
Job Type: Full-Time
Category: Solution Architect
Date Posted: 2025-08-01

🚀 Role Summary

Lead end-to-end solution design and architecture governance for Singapore's Automatic Fare Collection (AFC) system, supporting Account-Based Ticketing & Card-Based Ticketing.
Collaborate with internal and external stakeholders to develop secure, scalable, and high-availability system solutions involving payment systems, backend processing, cloud services, and system security.
Drive cloud solutioning and migration strategies, particularly for AWS-based deployments, ensuring alignment with LTA’s cloud adoption roadmap.

📝 Enhancement Note: This role requires a strong background in solution architecture, with a focus on cloud-based systems and e-payment technologies. Familiarity with AWS and EMV-based systems is crucial for success in this position.

💻 Primary Responsibilities

Architecture & Design: Architect and design secure, scalable, and high-availability system solutions for AFC and payment systems, including those using EMV, open-loop standards, account-based ticketing, and card-based ticketing models.
Cloud Solutioning: Lead cloud solutioning and migration strategies, particularly for AWS-based deployments, ensuring alignment with LTA’s cloud adoption roadmap.
Stakeholder Collaboration: Collaborate closely with internal stakeholders (project teams, software development teams, operations) and external partners (vendors, financial institutions) to develop robust and future-ready solutions.
Technical Impact Analysis: Perform technical impact analysis for change requests and system enhancements, ensuring minimal disruption to mission-critical AFC operations.
Documentation: Produce and maintain architecture diagrams, API/interface specifications, integration patterns, and designs for complex multi-vendor and multi-system environments.
Architecture Governance: Contribute to architecture governance, cloud best practices, security controls, and system resiliency planning.
Presentations: Conduct solution walkthroughs, architecture reviews, and technical presentations for internal and external stakeholders.

📝 Enhancement Note: This role involves complex system design and requires strong communication skills to manage multiple stakeholders effectively. Experience in stakeholder management and working in complex, multi-vendor environments is essential.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, Information Systems, or a related field.

Experience: At least 3 years of experience in solution architecture, systems analysis/design, or complex application development.

Required Skills:

Strong knowledge in Computer Science, Engineering, Information Systems, or related field.
Proven experience designing or supporting cloud-based systems (preferably AWS).
Familiarity with e-payment technologies, particularly in the context of fare collection, transaction clearing, and EMV-based systems.
Strong communication skills, system design analysis, and ability to resolve complex multi-stakeholder issues.
Experience with stakeholder management and working in complex, multi-vendor environments.

Preferred Skills:

AWS certifications (e.g., AWS Certified Solutions Architect – Associate/Professional) are strongly preferred.

📝 Enhancement Note: AWS certifications demonstrate a strong commitment to cloud architecture and will be highly valued in this role. Candidates with these certifications will have a competitive advantage.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Demonstrate your ability to design secure, scalable, and high-availability system solutions for AFC and payment systems.
Showcase your experience with cloud-based systems, particularly AWS, and e-payment technologies.
Highlight your skills in stakeholder management and working in complex, multi-vendor environments.

Technical Documentation:

Prepare architecture diagrams, API/interface specifications, integration patterns, and designs for your past projects.
Include technical impact analysis reports and system enhancement documentation.
Showcase your experience with architecture governance, cloud best practices, security controls, and system resiliency planning.

📝 Enhancement Note: A well-structured portfolio demonstrating your experience in solution architecture, cloud-based systems, and e-payment technologies will significantly strengthen your application.

💵 Compensation & Benefits

Salary Range: The salary range for this role is estimated to be SGD 8,000 - 12,000 per month, based on the average salary for a Solution Architect in Singapore with 3-5 years of experience.

Benefits:

Competitive salary and benefits package.
Opportunities for professional development and training.
A dynamic and challenging work environment in the public sector.

Working Hours: The standard working hours are 40 hours per week, with flexibility for deployment windows, maintenance, and project deadlines.

📝 Enhancement Note: The salary range provided is an estimate based on market research and may vary depending on the candidate's qualifications and experience. The actual salary will be determined by the hiring manager and the organization's compensation structure.

🎯 Team & Company Context

🏢 Company Culture

Industry: The Public Service Division operates in the public sector, focusing on transportation and infrastructure development.

Company Size: As a government agency, the Public Service Division is a large organization with a significant impact on Singapore's public transport systems.

Founded: The Land Transport Authority (LTA) was established in 1995, and the Public Service Division is a key part of its operations.

Team Structure:

The System Architecture and Assurance Division is responsible for end-to-end solution design, architecture governance, and technical assessments.
The team consists of solution architects, system analysts, and technical specialists working closely with project teams, software development teams, and operations.
The division collaborates with external partners, including vendors and financial institutions, to develop robust and future-ready solutions.

Development Methodology:

The team follows Agile methodologies, with a focus on iterative development, continuous improvement, and stakeholder collaboration.
Solution architects work closely with development teams to ensure architecture compliance, security, and performance.
The team maintains a strong focus on documentation, including architecture diagrams, API/interface specifications, integration patterns, and designs.

Company Website: LTA Website

📝 Enhancement Note: The Public Service Division operates in a dynamic and challenging environment, requiring strong communication skills, adaptability, and a commitment to public service. Candidates should be prepared to work in a fast-paced, multi-stakeholder environment.

📈 Career & Growth Analysis

Web Technology Career Level: This role is at the senior level, requiring a strong background in solution architecture, cloud-based systems, and e-payment technologies. Candidates should have at least 3-5 years of experience in a similar role.

Reporting Structure: The Solution Architect reports directly to the Head of the System Architecture and Assurance Division and works closely with project teams, software development teams, operations, and external partners.

Technical Impact: The Solution Architect plays a critical role in designing secure, scalable, and high-availability system solutions for Singapore's Automatic Fare Collection (AFC) system. Their work directly impacts the user experience, system reliability, and national security.

Growth Opportunities:

Technical Leadership: As the team grows, there may be opportunities for the Solution Architect to take on a leadership role, mentoring junior team members and driving technical strategy.
Specialization: Candidates may have the opportunity to specialize in specific areas, such as cloud migration, security, or payment systems integration.
Project Management: With experience, candidates may transition into project management roles, overseeing the delivery of complex AFC projects.

📝 Enhancement Note: This role offers significant growth potential for candidates interested in technical leadership, specialization, or project management. Candidates should be proactive in seeking out these opportunities and demonstrating their commitment to professional development.

🌐 Work Environment

Office Type: The work environment is a modern, collaborative office space with state-of-the-art technology and tools.

Office Location(s): The main office is located at LTA BCO (MAIN), with additional offices at other LTA locations in Singapore.

Workspace Context:

Collaboration: The office fosters a collaborative environment, with open-plan workspaces and dedicated team areas.
Technology: The office is equipped with high-performance workstations, multiple monitors, and testing devices to support the development and testing of AFC systems.
Cross-functional Collaboration: Solution Architects work closely with designers, project managers, and other stakeholders to ensure user-centered design and effective project delivery.

Work Schedule: The standard working hours are 40 hours per week, with flexibility for deployment windows, maintenance, and project deadlines. The work schedule may vary depending on project needs and stakeholder requirements.

📝 Enhancement Note: The work environment is designed to support collaboration, innovation, and continuous learning. Candidates should be prepared to work in a dynamic and fast-paced environment, with a strong focus on user-centered design and stakeholder engagement.

📄 Application & Technical Interview Process

Interview Process:

Technical Assessment: Candidates will be required to complete a technical assessment, demonstrating their ability to design secure, scalable, and high-availability system solutions for AFC and payment systems.
Architecture Review: Candidates will be asked to present their solution to a panel of technical experts, showcasing their understanding of architecture governance, cloud best practices, security controls, and system resiliency planning.
Stakeholder Management: Candidates will participate in a stakeholder management exercise, demonstrating their ability to collaborate with internal and external stakeholders to develop robust and future-ready solutions.
Final Evaluation: Candidates will be evaluated based on their technical skills, communication abilities, and cultural fit.

Portfolio Review Tips:

Highlight your experience in solution architecture, cloud-based systems, and e-payment technologies.
Include architecture diagrams, API/interface specifications, integration patterns, and designs for your past projects.
Showcase your ability to perform technical impact analysis and ensure minimal disruption to mission-critical AFC operations.

Technical Challenge Preparation:

Brush up on your knowledge of cloud-based systems, particularly AWS, and e-payment technologies.
Familiarize yourself with the AFC system and its components, including payment systems, backend processing, and system security.
Prepare for questions on architecture governance, cloud best practices, security controls, and system resiliency planning.

ATS Keywords: [See the comprehensive list of ATS keywords at the end of this document]

📝 Enhancement Note: The interview process is designed to evaluate candidates' technical skills, communication abilities, and cultural fit. Candidates should be prepared to demonstrate their ability to work effectively in a fast-paced, multi-stakeholder environment and showcase their experience in solution architecture, cloud-based systems, and e-payment technologies.

🛠 Technology Stack & Web Infrastructure

Cloud Platform: AWS (Amazon Web Services) is the primary cloud platform used for AFC system deployment and management.

Payment Systems: The AFC system supports both card-based and account-based ticketing models, with a focus on EMV-based systems and open-loop standards.

Backend Processing: The backend processing system is responsible for transaction clearing, fare calculation, and account management.

System Security: The AFC system employs robust security controls to protect user data and ensure system integrity.

📝 Enhancement Note: Familiarity with AWS, e-payment technologies, and system security is crucial for success in this role. Candidates should be prepared to demonstrate their experience with these technologies and their ability to design secure, scalable, and high-availability system solutions.

👥 Team Culture & Values

Web Development Values:

User-Centered Design: The team prioritizes user experience and accessibility in all aspects of solution design and development.
Collaboration: The team fosters a collaborative environment, with open communication and active knowledge sharing.
Continuous Learning: The team encourages professional development and supports candidates in pursuing relevant certifications and training opportunities.

Collaboration Style:

Cross-functional Integration: Solution Architects work closely with designers, project managers, and other stakeholders to ensure user-centered design and effective project delivery.
Code Review Culture: The team maintains a strong focus on code review and quality assurance, ensuring architecture compliance, security, and performance.
Knowledge Sharing: The team encourages active knowledge sharing, with regular technical presentations, workshops, and training sessions.

📝 Enhancement Note: The team culture is collaborative, user-centered, and focused on continuous learning. Candidates should be prepared to work in a dynamic and fast-paced environment, with a strong focus on user-centered design and stakeholder engagement.

⚡ Challenges & Growth Opportunities

Technical Challenges:

System Complexity: The AFC system is complex, involving multiple components, stakeholders, and integration points. Candidates should be prepared to work in a complex, multi-vendor environment.
Security & Compliance: The AFC system handles sensitive user data and must comply with strict security and privacy regulations. Candidates should be familiar with security best practices and compliance requirements.
Scalability & Performance: The AFC system must support millions of transactions daily, with high availability and minimal downtime. Candidates should be experienced in designing scalable and high-availability system solutions.

Learning & Development Opportunities:

AWS Training: The organization provides opportunities for AWS certification and training, helping candidates develop their skills in cloud architecture and management.
Technical Mentoring: Candidates may have the opportunity to work with experienced solution architects, receiving mentoring and guidance on technical best practices and career development.
Project Management: With experience, candidates may transition into project management roles, overseeing the delivery of complex AFC projects and developing their leadership skills.

📝 Enhancement Note: This role presents significant technical challenges and growth opportunities for candidates interested in solution architecture, cloud-based systems, and e-payment technologies. Candidates should be prepared to work in a complex, multi-stakeholder environment and demonstrate their ability to design secure, scalable, and high-availability system solutions.

💡 Interview Preparation

Technical Questions:

System Design: Be prepared to discuss your approach to designing secure, scalable, and high-availability system solutions for AFC and payment systems.
Cloud Migration: Demonstrate your experience with cloud migration strategies, particularly for AWS-based deployments, and your understanding of cloud adoption roadmaps.
Stakeholder Management: Showcase your ability to collaborate with internal and external stakeholders to develop robust and future-ready solutions, and your experience with stakeholder management in complex, multi-vendor environments.

Company & Culture Questions:

User-Centered Design: Explain your approach to user-centered design and how you ensure that your solutions meet the needs of AFC users.
Collaboration: Describe your experience working in a collaborative environment and how you contribute to a positive team culture.
Continuous Learning: Discuss your commitment to professional development and your plans for growing your skills in solution architecture, cloud-based systems, and e-payment technologies.

Portfolio Presentation Strategy:

Solution Walkthrough: Prepare a detailed walkthrough of your solution, highlighting your approach to architecture governance, cloud best practices, security controls, and system resiliency planning.
Technical Deep Dive: Be prepared to discuss specific technical aspects of your solution, such as API/interface specifications, integration patterns, and designs.
User Experience Focus: Showcase your understanding of user-centered design and how your solution meets the needs of AFC users.

📝 Enhancement Note: The interview process is designed to evaluate candidates' technical skills, communication abilities, and cultural fit. Candidates should be prepared to demonstrate their ability to work effectively in a fast-paced, multi-stakeholder environment and showcase their experience in solution architecture, cloud-based systems, and e-payment technologies.

🛠 ATS Keywords

Programming Languages:

Java
Python
C++
JavaScript
SQL

Web Frameworks:

Spring Framework
Django
Flask
Node.js
React
Angular
Vue.js

Server Technologies:

AWS (Amazon Web Services)
Microsoft Azure
Google Cloud Platform
Apache
Nginx
Tomcat
JBoss
WebLogic
WebSphere

Databases:

MySQL
PostgreSQL
Oracle
MongoDB
Redis
Cassandra
Amazon DynamoDB
Amazon RDS
Amazon Redshift

Tools:

Git
Jenkins
Maven
Gradle
Docker
Kubernetes
Ansible
Puppet
Chef
JIRA
Confluence
Trello
Asana
Slack
Microsoft Teams

Methodologies:

Agile
Scrum
Kanban
Waterfall
DevOps
ITIL
COBIT
TOGAF
ArchiMate

Soft Skills:

Communication
Teamwork
Leadership
Problem-solving
Adaptability
Time management
Project management
Stakeholder management
Change management
Risk management

Industry Terms:

Automatic Fare Collection (AFC)
Account-Based Ticketing (ABT)
Card-Based Ticketing (CBT)
EMV
Open-Loop Standards
Cloud Migration
AWS (Amazon Web Services)
Azure (Microsoft Azure)
GCP (Google Cloud Platform)
IT Security
System Resiliency
Architecture Governance
Cloud Best Practices
Technical Impact Analysis
System Enhancements
API/Interface Specifications
Integration Patterns
Integration Design
System Design
Solution Architecture
Cloud Architecture
E-payment Technologies
Fare Collection
Transaction Clearing
EMV-Based Systems

📝 Enhancement Note: These ATS keywords are organized by category and tailored to web development, server administration, and infrastructure roles. Candidates should strategically place these keywords throughout their resume and application materials to optimize their visibility to Applicant Tracking Systems.

📌 Application Steps

To apply for this Principal/Senior/Executive Engineer (Solution Architect – Cloud AFC & Payments) position:

Customize Your Portfolio: Tailor your portfolio to highlight your experience in solution architecture, cloud-based systems, and e-payment technologies. Include architecture diagrams, API/interface specifications, integration patterns, and designs for your past projects.
Optimize Your Resume: Highlight your relevant experience and skills, including your familiarity with AWS, e-payment technologies, and system security. Use the provided ATS keywords to optimize your resume for web development, server administration, and infrastructure roles.
Prepare for Technical Challenges: Brush up on your knowledge of cloud-based systems, particularly AWS, and e-payment technologies. Familiarize yourself with the AFC system and its components, including payment systems, backend processing, and system security. Prepare for questions on architecture governance, cloud best practices, security controls, and system resiliency planning.
Research the Company: Familiarize yourself with the Public Service Division's mission, values, and culture. Understand the AFC system and its role in Singapore's public transport infrastructure. Prepare for questions on user-centered design, collaboration, and continuous learning.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

[LTA-RSE] PRINCIPAL/SENIOR/EXE ENGINEER (SOLUTION ARCHITECT – CLOUD AFC & PAYMENTS)