Principal Platform Engineer, AWS

Objective Corporation

. Architect and evolve cloud platforms, automation and developer tooling for secure, high-performing software .

Posted 10/15/2026full-timeSydney • AustraliaLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in designing and architecting AWS environments, with a strong focus on Platform Engineering, DevOps practices, and AI/ML infrastructure management. Capable of influencing technical strategy and mentoring engineers while ensuring security and compliance across cloud platforms.

Highest-signal resume keywords

AWS Cloud ArchitecturePlatform EngineeringDevOps PracticesAI/ML Infrastructure ManagementInfrastructure as Code

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AWSTerraformCloudFormationGitLabPythonGoJavaCI/CDMicroservicesContainers

Soft Skills

MentoringCollaborationInfluencing Technical Strategy

Tools & Technologies

BackstageDeveloper Portal Technologies

Certifications & Qualifications

NV1 ClearanceISO 27001IRAPNZISMEssential Eight

Industry Keywords

Cloud SecurityIdentity and Access ManagementNetworkingCompliance FrameworksCloud Cost Optimisation

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsJavaMicroservicesPythonTerraformGo

About the role

Key responsibilities & impact

Architect and evolve cloud platforms, automation and developer tooling for secure, high-performing software
Define the architecture, standards and roadmap for AWS cloud platforms, DevOps tooling and internal developer platforms
Design scalable, self-service infrastructure and developer tooling
Establish best practices across CI/CD pipelines, Infrastructure as Code, repository management and deployment automation
Design and manage infrastructure supporting AI/ML workloads, LLM management platforms, model deployment pipelines and AI service orchestration
Embed security, governance, scalability and operational resilience into platform architecture and engineering practices
Partner with senior technology leaders, mentor engineers and influence architectural decisions across product teams
Drive improvements in platform efficiency, reliability and AWS resource utilisation
Evaluate emerging cloud, platform engineering and AI technologies
Report to the Cloud Operations Director and work with the CTO, CISO, Cloud Operations and Product Engineering teams

Requirements

What you’ll need

Valid NV1 Clearance or ability to obtain one
Extensive experience designing and architecting complex, production-grade AWS environments
Strong hands-on experience in Platform Engineering, including internal developer platforms, self-service infrastructure and reusable engineering capabilities
Deep expertise in DevOps, CI/CD and Infrastructure as Code, using Terraform, CloudFormation and GitLab
Experience with modern cloud architectures, including microservices, containers, serverless technologies and distributed systems
Experience managing AI/ML infrastructure and LLM platforms, including model deployment, AI service integration or orchestration
Strong programming and automation skills using Python, Go or Java
Sound understanding of cloud security, identity and access management, networking and compliance frameworks
Experience with developer portal technologies such as Backstage or similar tools
Proven ability to influence technical strategy, mentor engineers and collaborate with senior stakeholders
Experience working within security frameworks such as ISO 27001, IRAP, NZISM or Essential Eight would be highly regarded
Experience with cloud cost optimisation practices would be highly regarded