Job Description

We are looking for a Principal Platform Engineer to join a leading enterprise organisation and drive the next evolution of its AWS cloud and AI platform capabilities.

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This is a rare opportunity for a highly skilled platform engineering professional to take ownership of platform strategy, architecture, automation, and engineering standards across a modern AWS ecosystem. You'll play a key role in enabling cloud-native development, accelerating AI adoption, and building secure, scalable platforms that empower engineering teams to deliver at speed.

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You'll be joining a high-performing technology team working at enterprise scale, leveraging modern cloud, DevOps, Kubernetes, and AI technologies to deliver real business outcomes.

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What You'll Be Doing

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- Lead the design, implementation, and evolution of enterprise-scale AWS platform capabilities.
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- Define platform architecture, standards, and engineering best practices.
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- Build and enhance cloud infrastructure using Infrastructure as Code and automation-first principles.
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- Drive platform reliability, observability, security, resilience, and operational excellence.
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- Enable and support cloud-native application development across engineering teams.
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- Champion DevOps, SRE, CI/CD, and Platform Engineering practices.
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- Design and implement capacities that support AI, machine learning, and Generative AI workloads.
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- Partner with Architecture, Security, Data,



and Engineering leaders to align platform strategy with business objectives.
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- Mentor engineers and provide technical leadership across multiple delivery teams.
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What We're Looking For

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Essential Experience

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- Extensive experience in Platform Engineering, Cloud Engineering, DevOps, or Infrastructure Engineering roles.
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- Deep AWS expertise across services including:n n
- EKS
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- ECS
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- EC2
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- Lambda
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- IAM
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- VPC
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- RDS
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- Route 53
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- S3
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- CloudWatch
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- Strong hands-on experience with:n

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- Terraform
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- Kubernetes
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- CI/CD pipelines
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- Infrastructure as Code
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- Cloud Security
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- Observability and Monitoring
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- Platform Automation
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- Proven experience designing and operating enterprise-scale cloud platforms.
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- Strong stakeholder management and leadership capabilities.
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- Ability to influence technical direction and drive engineering excellence.
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Highly Desirable

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- Experience supporting AI, Machine Learning, or Generative AI platforms.
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- Exposure to:n n
- Amazon Bedrock
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- SageMaker
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- MLOps
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- Vector Databases
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- AI Governance Frameworks
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- LLM and GenAI Platform Architecture
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- Experience with Internal Developer Platforms (IDP) and Site Reliability Engineering (SRE).
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- AWS Skilled Certifications.
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- Experience operating within large and complex enterprise environments.
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📌 Principal AWS Platform Engineer (Victoria)
🏢 Sestra People
📍 Victoria