System Architect, Smart Security & Automation

St Engineering; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

Singapore Technologies Engineering Ltd is seeking a System Architect for Smart Security & Automation to define and govern the overall architecture across hardware, software, network and integration layers in a North region context.

The role requires deep experience with distributed and cloud-based designs, rigorous adherence to architectural standards and security-by-design principles, and guidance to project teams and vendors throughout the lifecycle of projects.

Qualifications

• 12+ years in system/enterprise architecture.
• Experience designing distributed, cloud-based or hybrid systems.
• Knowledge of architecture standards (ISO/IEC/IEEE 15288, MID-STD-498, ISO/IEC/IEEE 42010) and modeling (UML, 4+1 Views).

Responsibilities

• Define overall system architecture across hardware, software, network and integration components.
• Translate requirements into scalable, secure, and resilient designs.
• Develop architecture diagrams, design specs and technical standards.
• Lead design reviews ensuring alignment with enterprise architecture.
• Evaluate technologies, platforms, and products (OS, virtualization, databases, middleware).
• Ensure designs comply with cybersecurity, data protection and regulatory requirements.
• Provide technical guidance to project teams, vendors and stakeholders.
• Support system integration, testing, commissioning and handover; identify risks and mitigation.
• Support lifecycle activities including upgrades, patching and performance optimization.

Skills

Distributed systems

Architecture standards

UML modeling

Microservices

API design

DevOps

Data architecture

Security by design

Tools

MSSQL

Job description

System Architect, Smart Security & Automation

Req ID: 23011

Job Location Region: North

Key Responsibilities

• Define overall system architecture, including hardware, software, network, and integration components
• Translate business and operational requirements into scalable, secure, and resilient system designs
• Develop architecture diagrams, design specifications, and technical standards
• Lead system design reviews and ensure alignment with enterprise architecture principles
• Evaluate and select technologies, platforms, and products (e.g. OS, virtualization, databases, middleware)
• Ensure system designs comply with cybersecurity, data protection, and regulatory requirements
• Provide technical guidance to project teams, vendors, and stakeholders
• Support system integration, testing, commissioning, and handover activitiesIdentify technical risks and define mitigation strategies
• Support lifecycle activities including upgrades, patching, and performance optimization

Requirements

• 12+ years’ experience in system or enterprise architecture.
• Proven experience designing distributed, cloud‑based, or hybrid systems.
• Knowledge of architecture standards (e.g. ISO/IEC/IEEE 15288, MID-STD-498, ISO/IEC/IEEE 42010) and system modeling techniques (e.g. UML, 4+1 Views, Domain-Driven Design)
• Strong understanding of microservices, architectural/design patterns, API design, integration patterns, and DevOps tools.
• Experience with databases (E.g. MSSQL) and data architecture.
• Familiarity with cybersecurity and secure‑by‑design principles.
• Knowledge in IT and data storage infrastructure will be a plus.

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