Senior Site Reliability Engineer

Role Description

At Sleek, we are on a mission to streamline operations and elevate customer experience through intelligent automation and modern engineering. We are seeking a Senior SRE Engineer who will be a key individual contributor responsible for architecting, building, and scaling Sleek’s next-generation infrastructure and AI-powered capabilities.

As one of Sleek’s most senior technical contributors, you will:

• Partner closely with Product, Engineering, and AI teams to define our infrastructure strategy.
• Design resilient cloud architectures and ensure our platforms remain secure, scalable, and high-performing.
• Play a central role in integrating AI systems into production environments, enabling efficient delivery, observability, and reliability across Sleek’s products and internal operations.

You will ensure:

• High-quality, secure, and scalable infrastructure capable of supporting modern applications and advanced AI workloads.
• Robust automation across CI/CD, infrastructure provisioning, and operations to increase reliability and reduce manual overhead.
• Thoughtful and pragmatic integration of AI into operational workflows to improve efficiency, detect anomalies, and accelerate delivery.
• Reliable systems engineering practices, including monitoring, incident response, performance tuning, and capacity planning.
• Strong DevOps standards, including reproducibility, testing, documentation, and operational excellence.
• Clear technical communication and cross-team alignment to enable predictable delivery and collaborative problem-solving.
• Mentorship and technical leadership that elevates platform engineering, DevOps maturity, and overall engineering quality across the organisation.

Qualifications

• 6+ years of progressive experience in Site Reliability Engineering (SRE).
• 6+ years of strong, hands-on experience across multi-cloud environments such as AWS, GCP, Azure including expertise in networking, compute, storage, security, and cost optimization.
• 6+ years of deep expertise in containerization and orchestration (e.g., Kubernetes, EKS, ECS).
• 6+ years of extensive experience with Infrastructure as Code (IaC) (e.g., Terraform, Pulumi, CloudFormation).
• Proven ability to design, build, and operate highly reliable, scalable production systems utilizing advanced Zero-Downtime Deployment Patterns (e.g., Blue/Green, Canary, progressive delivery).
• Expertise in modernizing deployments via GitOps practices (e.g., ArgoCD, Flux) and building Self-Service Developer Platforms that enable engineering efficiency.
• Experience implementing and managing Multi-Cloud API Gateways and Edge Routing solutions (e.g., Kong, Traefik, Cloudflare, multi-cluster ingress).
• Strong background in platform security, including secrets management, Identity and Access Control (IAM), and Runtime/Security Hardening.
• Solid understanding and practical experience with modern observability stacks (e.g., Prometheus, OpenTelemetry, OpenSearch, ELK, CloudWatch).
• Experience supporting or deploying AI/ML workloads or strong familiarity with the infrastructure requirements for these systems.
• Excellent communication and collaboration skills with a proven ability to describe complex infrastructure decisions clearly.
• Familiarity with modern programming languages like Node.js, NestJS, and Python is highly desirable.

Requirements

• Ownership: Reliability and accountability within the team.
• Humility: Open-mindedness to feedback and willingness to learn from others.
• Structured Thinking: Ability to show sound judgement in complex situations.
• Attention to detail: Managing multiple, complex workstreams effectively.
• Excellent listener and clear communicator: Ensuring effective communication across diverse teams.

Benefits

• Fully remote role with flexible working hours.
• Competitive market salaries and generous paid time off.
• Eligibility for employee share ownership plan.
• Opportunities for personal growth and professional development.
• Commitment to building an inclusive and equitable workplace.

Company Description

Sleek launched in 2017 and now has around 15,000 customers across our offices in Singapore, Hong Kong, Australia, and the UK. We have around 600 staff with an intact startup mindset. We have recently raised Series B financing off the back of >70% compound annual growth in Revenue over the last 5 years. Sleek has been recognised by The Financial Times, The Straits Times, Forbes, and LinkedIn as one of the fastest growing companies in Asia. Backed by world-class investors, we are on track to be one of the few cash flow positive, tech-enabled unicorns based out of Asia Pacific.