IO / OT Solution Architect
Senior architecture lead (Network Infrastructure Lead / Senior Manager) who defines and governs target-state architecture for ST Engineering's Engineering and Development environment across DevSecOps, AWS cloud, physical networks, and OT/IoT platforms, driving modernization, security-by-design, and DevSecOps adoption in Singapore and overseas.
- Compensation
- Not disclosed
- Location
- Not listed
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- Not specified
- Category
- Architecture
- Posted
Skills
Must have
- Familiarity with enterprise architecture frameworks (e.g., TOGAF, Zachman) and cloud/infrastructure design patterns
- Strong knowledge of AWS and comparable public cloud platforms: landing zones, IAM, networking, compute, storage, containers, observability, security, cost management, hybrid-cloud integration
- Strong architectural knowledge of physical networks (routing, switching, firewalls), network segmentation, and zero-trust network access (ZTNA) principles
- Proven experience with IT/OT convergence, industrial network protocols, SCADA, PLCs, and securing cyber-physical systems
- Good understanding of CI/CD pipelines, containerization (Docker, Kubernetes), Infrastructure as Code (Terraform, Ansible), and automated security testing
- Proven ability to lead technological change and influence cross-functional teams
- Experience working with business project owners, IT operations, and external vendors
- Exceptional documentation, coordination, and presentation skills; ability to explain architecture to non-technical leadership
- Strong capability in identifying architectural risks and defining mitigation strategies
Nice to have
- TOGAF or equivalent enterprise architecture certification
- CISSP, CISM, or advanced cloud architecture certifications (AWS/Azure/GCP)
- ITIL v4, CCNP, or equivalent certification
Full description
Position Overview
The Network Infrastructure Lead (Senior Manager) is responsible to work with VP, IT (Service Operations – N2) to drive the architectural vision, platform strategy, and transformational change across the ST Engineering’s Engineering and Development environment. Serving as a senior technical authority and change lead, this role oversees the strategic design, continuous improvement, and governance of four core domains: DevSecOps, cloud platforms such as Amazon Web Services (AWS), Physical Networks, and OT / IoT platforms for ST Engineering Group in Singapore and overseas.
The role acts as a critical bridge between architecture, business operations, and day-to-day IT execution. By leading platform modernization and architectural change, this individual ensures that Engineering and Development systems are scalable, secure, highly available, and aligned with broader Group IT standards and target operating models.
Key ResponsibilitiesPlatform Architecture & Governance
- Define, maintain, and govern the target-state architecture for Engineering and Development platforms across DevSecOps, cloud platforms such as AWS, networking, and OT / IoT environments.
- Ensure all new platforms, tools, and integrations comply with enterprise policies, security standards, and architectural blueprints.
- Lead architectural reviews and provide technical design approvals for projects impacting the Engineering and Development environment.
- Collaborate with Group IT architects to ensure local Engineering and Development environment’s architectures align with global enterprise strategies.
Change Leadership & Transformation
- Act as the change lead for technology transformations within Engineering and Development platform and environment, championing the adoption of modern platform engineering and AI enabled automated workflows.
- Drive a cultural shift toward a "security-by-design" and "automation-first" mindset across project teams and IT operations.
- Manage stakeholder expectations and guide business project owners through complex technology transitions.
- Develop roadmaps for legacy system modernization and transition to target architectural states.
DevSecOps Strategy & Implementation
- Lead the architectural design and adoption of DevSecOps practices for platforms.
- Ensure the seamless integration of automated security controls like code scanning within continuous integration and continuous deployment (CI/CD) pipelines.
- Standardize tooling and deployment architectures to accelerate time-to-market while strictly maintaining security and compliance.