Senior SIEM & SOAR Platform Engineer – Automation & Detection

Singapore Telecommunications; Sydney; Hybrid; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Employee discounts

Flexible work

On-site campus facilities

Parental leave

Counselling services

Shuttle bus

Job summary

Optus, an Australian telecommunications company, seeks a Senior Security Platform Engineer – SIEM & SOAR to design, build and evolve enterprise security platforms that power cyber defence operations. This hands-on role focuses on solving complex challenges, automating processes, and delivering scalable telemetry-driven detection and response.

You will onboard data from diverse systems, implement automation workflows in Python, and apply CI/CD practices to deployments, while partnering with Cyber

Qualifications

• Proven experience engineering and supporting enterprise SIEM and/or SOAR platforms in security operations, cyber security, or platform engineering environments.
• Strong technical skills in log management, telemetry onboarding, security automation, and platform integration.
• Hands-on experience with scripting, API integration, and developing automated solutions that streamline security operations.
• Knowledge of cloud security logging, Microsoft 365 and Entra ID telemetry, and modern security monitoring practices.

Responsibilities

• Design, build, and maintain enterprise SIEM and SOAR platforms that support cyber defence operations.
• Onboard, normalise, and enrich security telemetry from diverse systems for threat detection and investigation.
• Develop automation workflows and Python-based solutions to improve efficiency and response capabilities.
• Manage detection content, platform configurations, and automation deployments using Detection-as-Code and CI/CD.
• Partner with Cyber Defence and engineering teams to improve platform performance and coverage.

Skills

SIEM engineering

SOAR engineering

Log management

Telemetry onboarding

Automation scripting

API integrations

Job description

Optus, an Australian telecommunications company, seeks a Senior Security Platform Engineer – SIEM & SOAR to design, build and evolve enterprise security platforms that power cyber defence operations. This hands-on role focuses on solving complex challenges, automating processes, and delivering scalable telemetry-driven detection and response.

You will onboard data from diverse systems, implement automation workflows in Python, and apply CI/CD practices to deployments, while partnering with Cyber