Senior Security Platform Reliability Engineer

Launch Group; New South Wales; On-site; AUD 140,000 - 180,000; Full time

Job summary

Launch Recruitment is seeking a Senior Security Platform Engineer to support Cyber Defence and Threat Detection operations. You will apply reliability engineering across SIEM, EDR, and vulnerability platforms, driving observability, automation, and Everything as Code.

You will lead incidents, runbooks, and on-call maturity, ensuring platform health and performance while collaborating with security and engineering teams across a large enterprise.

Qualifications

• 5+ years in SRE/DevOps or Platform Engineering within large enterprise environments.
• Proven expertise in SRE practices, including SLOs, SLIs, error budgets, observability, and incident management.
• Hands-on automation and platform engineering using Python, IaC, CI/CD, and everything-as-code methods.

Responsibilities

• Define and monitor SLOs/SLIs and platform health across core security platforms.
• Lead reliability improvements via risk identification, observability reviews, and engineering enhancements.
• Build and manage observability solutions for security platforms.

Skills

SRE practices

Observability

Automation & SRE tooling

Python scripting

Infrastructure as Code

CI/CD pipelines

Security platform experience

Strong communication

PR or Citizenship/PR eligible (AU)

Tools

Python

CI/CD

Terraform

Cloud platforms

Observability tools

Job description

Launch Recruitment is seeking a Senior Security Platform Engineer to support Cyber Defence and Threat Detection operations. You will apply reliability engineering across SIEM, EDR, and vulnerability platforms, driving observability, automation, and Everything as Code.

You will lead incidents, runbooks, and on-call maturity, ensuring platform health and performance while collaborating with security and engineering teams across a large enterprise.