Senior AWS Platform Software Engineer

Trident Group; Australia; Remote; AUD 150,000 - 190,000; Full time

Job summary

Trident Group is seeking a Senior AWS Platform Software Engineer to manage enterprise AWS infrastructure, EKS/Kubernetes environments and automated patching. You will strengthen security controls, build GitOps pipelines with Argo CD and Azure DevOps, and drive observability with Prometheus and Dynatrace.

You will collaborate with cybersecurity and delivery teams to improve a regulated platform, ensuring reliability, cost efficiency and scalable operations in Australia.

Qualifications

• Minimum 3 years hands-on AWS cloud infrastructure engineering in enterprise environments.
• Experience with EKS and Kubernetes cluster administration, upgrades, patching and troubleshooting.
• Automation experience with IaC using Terraform or CloudFormation; cost and performance focus.
• Knowledge of IAM, RBAC, WAF, IRSA, and secrets management.
• CI/CD experience with Azure DevOps and Argo CD; GitOps practices.
• Observability using Prometheus, Grafana, CloudWatch or Dynatrace.
• Production incident management and root-cause analysis.
• Desirable: ISM/Essential Eight, AWS or CKA certifications.
• MUST HOLD an active Baseline security clearance.

Responsibilities

• Provide hands-on AWS cloud infrastructure engineering and operational support in complex environments.
• Administer and upgrade EKS and Kubernetes clusters, patching and remediation.
• Develop infrastructure automation including automated patching and backups (Terraform/CloudFormation).
• Apply AWS security controls: IAM, RBAC, WAF, Secrets management and vulnerability handling.
• Maintain CI/CD pipelines with Azure DevOps and Argo CD; embrace GitOps practices.
• Instrument Observability with Prometheus, Grafana, CloudWatch and Dynatrace.
• Lead incident response, root-cause analysis and service restoration efforts.
• Collaborate with security teams and stakeholders on platform improvements.

Skills

AWS

EKS

Kubernetes

CI/CD

GitOps

IAM

RBAC

WAF

IRSA

Secrets management

Prometheus

Grafana

CloudWatch

Dynatrace

Incident management

Tools

Terraform

CloudFormation

Azure DevOps

Argo CD

Job description

# Senior AWS Platform Software EngineerJob Reference: #10001Federal Government DepartmentBaseline RequiredAustralian CitizenDepartment of Health, Disability and AgeingACT, NSW, NT, QLD, SA, TAS, VIC, WAContractCloses 14/11/2026AWSAmazon EKSKubernetesTerraformCloudFormationIAMIRSARBACWAFSecrets ManagementCI/CDAzure DevOpsArgo CDGitOpsPrometheusGrafanaAmazon CloudWatchDynatraceISMEssential EightCKAAWS Certified Solutions ArchitectAWS Certified DevOps EngineerShare## About the RoleRole Overview:Platform operations: manage and maintain AWS infrastructure operations for the Enterprise Identity and Access Management Solution (EIAMS), ensuring ongoing performance, availability, security and reliability.Kubernetes: administer and maintain Amazon EKS and Kubernetes environments, including cluster upgrades, node group management, patching and vulnerability remediation.Automation: develop and implement infrastructure automation to reduce manual intervention and improve platform efficiency, including automated patching and backups.Performance and cost: monitor and optimise platform performance, capacity, scalability and resource utilisation, improve resilience and manage AWS costs.Observability: maintain and enhance monitoring, logging and observability with Prometheus, Grafana, Amazon CloudWatch and Dynatrace.Security: implement and maintain AWS security controls - Web Application Firewall (WAF), IAM, IRSA, RBAC and secrets management - aligned with security and governance requirements.Delivery: maintain and improve CI/CD pipelines in Azure DevOps and Argo CD for secure, consistent and reliable application deployments.Incidents: investigate and resolve infrastructure incidents, technical defects and performance issues, undertaking root cause analysis and preventative improvements.Collaborate with technical specialists, cybersecurity teams and delivery stakeholders on platform enhancements, application releases and future EIAMS capabilities.Key Responsibilities:• At least three years' hands-on AWS cloud infrastructure engineering and operational support in complex enterprise or production environments.• Strong hands-on Amazon EKS and Kubernetes: cluster administration, upgrades, node groups, patching, vulnerability remediation, troubleshooting and performance optimisation.• Infrastructure automation, including automated patching and backups; Terraform or CloudFormation desirable.• AWS security architecture and controls: IAM, IRSA, RBAC, WAF, secrets management and vulnerability management.• CI/CD with Azure DevOps and Argo CD (or comparable); GitOps practices desirable.• Observability with Prometheus, Grafana, Amazon CloudWatch or Dynatrace.• Production incident management, root cause analysis and service recovery; clear communication with technical and security teams.• Desirable: Australian Government or regulated platforms, ISM and Essential Eight, AWS or CKA certifications.• MUST HOLD an active Baseline security clearance (Australian citizens only).### About the ClientFederal Government Department overseeing health, disability support, and aged care programs and policies.## RequirementsEssential Criteria1. Extent to which the proposed candidate's CV meets the requirements as set out in the Key duties and responsibilities section of this RFQ.Desirable Criteria• Experience supporting business-critical cloud platforms within Australian Government or similarly regulated environments.• Familiarity with Infrastructure as Code technologies, including Terraform or AWS CloudFormation.• Knowledge of GitOps practices and automated deployment methodologies.• Understanding of Australian Government cybersecurity requirements, including the Information Security Manual (ISM) and Essential Eight.• Relevant AWS or Kubernetes certifications, such as AWS Certified Solutions Architect, AWS Certified DevOps Engineer or Certified Kubernetes Administrator (CKA).• Experience supporting major platform releases, security remediation and infrastructure improvement initiatives.Interested in this role? Submit your application today.