AWS Solutions Architect

Job Description

About OnebyZero

OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI, and apply Generative AI in ways that deliver real business results.

Our vision is simple while at the same time ambitious : to make AI adoption both impactful and human-centered. We collaborate with leading enterprises in banking, telecommunications, retail, and other industries to help them unlock tangible value from their data and AI initiatives. By combining deep industry expertise, trusted partnerships, and a relentless focus on outcomes, OnebyZero empowers organizations to go beyond pilots and achieve lasting, scaled impact

About the Role

The AWS Solutions Architect is responsible for designing, implementing, and scaling enterprise-grade cloud systems capable of supporting Generative AI and data-intensive workloads. This role requires deep expertise in distributed architecture, system scalability, and cloud-native software engineering on AWS. The architect will ensure reliability, performance, security, and compliance across multi-environment deployments while collaborating with product, DevOps, and AI teams to deliver robust, production-ready solutions.

What You'll Do & The Impact You'll Have

• Enterprise Architecture & System Design
• Design scalable, secure, and fault-tolerant architectures for cloud-native and AI-enabled applications.
• Lead architecture reviews ensuring adherence to AWS Well-Architected Framework — focusing on operational excellence, security, reliability, performance efficiency, and cost optimization.
• Implement multi-region and high-availability strategies using services like ALB / NLB, Route53, ECS / EKS, and RDS.
• Create detailed C4 and sequence diagrams capturing integration between application, data, and AI layers.
• Scalability, Reliability & Performance
• Architect and implement systems designed to handle high concurrency and throughput at scale.
• Apply microservices and event-driven architectures using AWS Lambda, SQS, SNS, and EventBridge .
• Leverage auto-scaling, caching, and load balancing strategies for predictable performance.
• Conduct performance profiling and capacity planning to optimize infrastructure cost and latency.
• Security, Compliance & Governance
• Implement end-to-end security architecture, including IAM policies, encryption (KMS), VPC isolation, and private connectivity.
• Configure CloudArmor / AWS WAF, GuardDuty , and Security Hub for continuous protection and threat monitoring.
• Ensure compliance with SOC2, ISO 27001, GDPR, and industry-specific requirements (e.g., BFSI, Telco).
• Establish secure CI / CD pipelines with vulnerability scanning, secret management (AWS Secrets Manager), and policy enforcement.
• Infrastructure as Code & Automation
• Develop and manage Infrastructure as Code ( IaC ) using Terraform for multi-environment consistency.
• Build modular Terraform modules for reusable networking, compute, and data infrastructure components.
• Integrate GitOps workflows for controlled releases across staging, QA, and production.
• Automate blue-green and canary deployments for zero-downtime model and service updates.
• API & Data Layer Architecture
• Design REST and GraphQL APIs with authentication, throttling, and observability baked in.
• Architect data management layers, combining relational (RDS / PostgreSQL), NoSQL (DynamoDB, MongoDB), and vector databases.
• Implement data encryption, retention, and auditing policies for enterprise governance.
• Enable real-time and batch data pipelines integrated with AI model services and analytics layers.
• Observability, Monitoring & Incident Response
• Set up comprehensive monitoring, tracing, and logging frameworks using CloudWatch, Prometheus, and OpenTelemetry .
• Define SLAs, SLOs, and error budgets for mission-critical systems.
• Establish incident response playbooks, automated alerts, and runbooks for key operational scenarios.
• Implement cost observability and FinOps dashboards for cloud spend visibility and optimization.
• Technical Leadership & Collaboration
• Provide technical direction and mentorship to engineering and DevOps teams.
• Lead architecture review boards, ensuring scalable and secure design principles are consistently applied.
• Collaborate with cross-functional teams (AI / ML, Security, Data, Product) to align solutions with business goals.
• Communicate architectural decisions effectively through presentations, documentation, and design sessions.

Requirements

What You'll Bring to the Table

Must-Have Skills :

Nice-to-Have Skills :

Benefits

What We Bring to the Table

OnebyZero is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.