Sestra People Pty Ltd
Principal AWS Platform Engineer
Skills
2 months ago
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Important information
Contract type:
Freelance / Contract
Salary:
A$180,000 – A$230,000 / year
Location:
Sydney NSW, Australia
Work mode:
Onsite
Published on:
26 August 2026
What they need
Shape the Future of Cloud & AI Platforms
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.
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.
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.
What You'll Be Doing
- Lead the design, implementation, and evolution of enterprise-scale AWS platform capabilities.
- Define platform architecture, standards, and engineering best practices.
- Build and enhance cloud infrastructure using Infrastructure as Code and automation-first principles.
- Drive platform reliability, observability, security, resilience, and operational excellence.
- Enable and support cloud-native application development across engineering teams.
- Champion DevOps, SRE, CI/CD, and Platform Engineering practices.
- Design and implement capabilities that support AI, machine learning, and Generative AI workloads.
- Partner with Architecture, Security, Data, and Engineering leaders to align platform strategy with business objectives.
- Mentor engineers and provide technical leadership across multiple delivery teams.
What We're Looking For
Essential Experience
Extensive experience in Platform Engineering, Cloud Engineering, DevOps, or Infrastructure Engineering roles.
Deep AWS expertise across services including:
- EKS
- ECS
- EC2
- Lambda
- IAM
- VPC
- RDS
- Route 53
- S3
- CloudWatch
Strong hands-on experience with:
- Terraform
- Kubernetes
- CI/CD pipelines
- Infrastructure as Code
- Cloud Security
- Observability and Monitoring
- Platform Automation
Proven experience designing and operating enterprise-scale cloud platforms.
Strong stakeholder management and leadership capabilities.
Ability to influence technical direction and drive engineering excellence.
Highly Desirable
Experience supporting AI, Machine Learning, or Generative AI platforms.
Exposure to:
- Amazon Bedrock
- SageMaker
- MLOps
- Vector Databases
- AI Governance Frameworks
- LLM and GenAI Platform Architecture
Experience with Internal Developer Platforms (IDP) and Site Reliability Engineering (SRE).
AWS Professional Certifications.
Experience operating within large and complex enterprise environments.
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