Senior System Architect — Secure, Scalable Automation

St Engineering; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

ST Engineering is seeking an experienced System Architect for Smart Security & Automation at Satellite Hub, Singapore. You will define overall system architecture across hardware, software, network, and integration components, translating requirements into scalable designs.

The role requires deep expertise in cloud/hybrid systems, microservices, API design, and security-by-design, with leadership in design reviews and technology evaluation. You will guide vendors and support lifecycle activities.

Qualifications

• 12+ years’ experience in system or 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 system modeling techniques (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.

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 activities.
• Identify technical risks and define mitigation strategies.
• Support lifecycle activities including upgrades, patching, and performance optimization.

Skills

System architecture

Cloud-based / hybrid systems

Microservices

API design

DevOps tools

UML

Domain-Driven Design

Security by design

Data architecture / MSSQL

Tools

MSSQL

Job description

ST Engineering is seeking an experienced System Architect for Smart Security & Automation at Satellite Hub, Singapore. You will define overall system architecture across hardware, software, network, and integration components, translating requirements into scalable designs.

The role requires deep expertise in cloud/hybrid systems, microservices, API design, and security-by-design, with leadership in design reviews and technology evaluation. You will guide vendors and support lifecycle activities.