Job Description

Job Title: Senior AWS Platform Software Engineer (EL1)

Security Clearance: Must be able to obtain Baseline

Duration: Initial 12 months with 2 x 12-month extensions

Industry: Information Technology

Functional Expertise: Cloud Infrastructure Engineering

Sub-functional Expertise: AWS Platform Engineering, Kubernetes, DevOps and Cloud Security

Location of work: ACT, NSW, VIC, QLD, WA, SA, TAS, NT

Working arrangements: Hybrid

Closing date: 9AM Friday, 13 November 2026

Description:

Our client is seeking an experienced Senior AWS Platform Software Engineer (EL1) to support the operation, maintenance and continuous improvement of enterprise cloud infrastructure.

The successful candidate will be responsible for maintaining a secure, reliable and high-performing AWS environment, with a particular focus on Amazon Elastic Kubernetes Service (EKS), infrastructure automation, platform security and operational resilience.

Working collaboratively with technical specialists, cybersecurity teams and delivery stakeholders, the successful candidate will contribute to platform enhancements, application releases and future capabilities while ensuring the stability and availability of critical services.

Responsibilities:

• Manage and maintain AWS infrastructure operations, ensuring ongoing performance, availability, security and reliability.
• Administer and maintain Amazon EKS and Kubernetes environments, including cluster upgrades, node group management, patching and vulnerability remediation.
• Develop and implement infrastructure automation to streamline operational processes, reduce manual intervention and improve platform efficiency, including automated patching and backups.
• Monitor and optimise platform performance, capacity, scalability and resource utilisation, identifying opportunities to improve resilience and manage AWS infrastructure costs.
• Maintain and enhance monitoring, logging and observability capabilities using tools such as Prometheus, Grafana, Amazon CloudWatch and Dynatrace.
• Implement and maintain AWS security controls, including Web Application Firewall (WAF), IAM, IRSA, RBAC and secrets management, ensuring alignment with applicable security and governance requirements.
• Maintain and improve CI/CD pipelines using Azure DevOps and ArgoCD to support secure, consistent and reliable application deployments.
• Investigate and resolve infrastructure incidents, technical defects and performance issues, undertaking root cause analysis and implementing preventative improvements.

Requirements:

• A minimum of three years' demonstrated hands-on experience in AWS cloud infrastructure engineering and operational support, preferably within complex enterprise or production environments.
• Strong technical expertise and hands-on experience with Amazon EKS and Kubernetes, including cluster administration, upgrades, troubleshooting, patching and performance optimisation.
• Demonstrated experience in infrastructure automation and cloud engineering practices, with the ability to implement reliable, secure and efficient operational solutions.
• Sound knowledge of AWS security architecture and controls, including IAM, IRSA, RBAC, WAF, secrets management and vulnerability management.
• Experience implementing and supporting CI/CD pipelines using Azure DevOps, Argo CD or comparable deployment technologies.
• Practical experience with monitoring, logging and observability tools such as Prometheus, Grafana, Amazon CloudWatch or Dynatrace.
• Strong troubleshooting and problem-solving capabilities, including experience managing production incidents, undertaking root cause analysis and supporting service recovery.
• Well-developed communication and stakeholder engagement skills, with the ability to work independently, manage competing priorities and collaborate effectively within multidisciplinary technical and security teams.

Key Capabilities:

• AWS cloud infrastructure administration, maintenance and operational support.
• Amazon EKS and Kubernetes cluster management, upgrades and optimisation.
• Infrastructure automation, including automated patching and backup processes.
• Cloud security architecture, identity and access management, and vulnerability remediation.
• CI/CD pipeline management using Azure DevOps and Argo CD.
• Monitoring, logging and observability using Prometheus, Grafana, Amazon CloudWatch and Dynatrace.
• Production incident management, root cause analysis and service recovery.
• Platform performance optimisation, scalability, resilience and AWS cost management.
• Collaboration with multidisciplinary technical teams, cybersecurity specialists and delivery stakeholders.

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.
• How to apply:
• Please submit your application including your resume and a completed application form addressing the essential and desirable criteria. Ensure your application highlights your experience and any relevant certifications.