Infrastructure Engineer - Linux & AWS

About the role

Xestro is seeking an Infrastructure Engineer to manage and modernise its Linux and AWS production environment in Maroochydore. You will work closely with platform, software and infrastructure engineers to ensure reliability, security and automation of critical services.

Key responsibilities

• Administer Linux fleet, Apache, PHP services and RDS databases.
• Design, maintain and optimise AWS infrastructure (EC2, Auto‑Scaling, VPC, IAM, load balancing, DNS).
• Implement monitoring and observability using Datadog, create runbooks and handle incident response.
• Drive automation with Terraform, Ansible and shell scripting, reducing manual processes.
• Participate in a paid on‑call rotation and support capacity planning, patching and upgrades.

Required profile

• Strong professional experience in Linux systems administration and production support.
• Hands‑on expertise with AWS services, especially EC2, networking and security.
• Ability to diagnose production issues under pressure and communicate findings clearly.
• Australian working rights and willingness to work onsite in Maroochydore.

Required skills

• Linux, Apache, PHP, MySQL/Aurora
• AWS (EC2, Auto Scaling, VPC, IAM, load balancing, DNS)
• Terraform, Ansible, Shell scripting
• Datadog (monitoring, logs, alerts)
• TCP/IP, DNS, TLS, Linux networking fundamentals
• Docker, Kubernetes, GitLab CI/CD
• Security hardening, backup and disaster‑recovery practices

What we offer

• Job security in a growing healthcare SaaS company.
• Ownership of critical production infrastructure.
• Modernisation program with experienced engineering peers.
• Supportive engineering culture focused on security and reliability.
• Sunshine Coast lifestyle with work‑life balance.