Senior Security Platform Engineer - SIEM and SOAR at Singtel Group | Sydney | Rezi

Senior Security Platform Engineer - SIEM and SOAR at Singtel Group

Senior Security Platform Engineer - SIEM and SOAR

Singtel Group · Sydney

Today

Senior Security Platform Engineer - SIEM and SOAR

Singtel Group · Sydney

7 hours ago
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About the Role

Optus is seeking a Senior Security Platform Engineer – SIEM & SOAR to engineer and evolve enterprise platforms that power cyber defence operations. This is a hands-on role focused on solving complex technical challenges, automating processes, and building scalable security platforms for threat detection and response.

Responsibilities

  • Design, build, and maintain enterprise SIEM and SOAR platforms supporting critical cyber defence operations.
  • Onboard, normalize, and enrich security telemetry from various systems for threat detection and investigation.
  • Develop automation workflows, integrations, and Python-based solutions to improve efficiency and response capabilities.
  • Manage detection content, platform configurations, and automation deployments using Detection-as-Code, CI/CD, and engineering best practices.
  • Collaborate with Cyber Defence and engineering teams to enhance platform performance, detection coverage, and automation effectiveness.

Requirements

  • Proven experience engineering and supporting enterprise SIEM and/or SOAR platforms in a security operations, cyber security, or platform engineering environment.
  • Strong technical skills in log management, telemetry onboarding, security automation, and platform integration.
  • Hands-on experience with scripting, API integration, and developing automated solutions for security operations.
  • Knowledge of cloud security logging, Microsoft 365 and Entra ID telemetry, and modern security monitoring practices.
  • A collaborative, automation-focused approach with strong problem-solving skills and a passion for continuous improvement and innovation.

Skills

  • SIEM
  • SOAR
  • Security Platform Engineering
  • Cyber Defence
  • Log Management
  • Telemetry Onboarding
  • Security Automation
  • Platform Integration
  • Scripting
  • API Integration
  • Python
  • Detection-as-Code
  • CI/CD
  • Cloud Security Logging
  • Microsoft 365 Telemetry
  • Entra ID Telemetry
  • Security Monitoring

Location

  • Remote
  • Hybrid

Work Type

  • Hybrid

Experience Level

  • Senior

Benefits

  • Competitive remuneration
  • Employee discounts
  • $80 monthly credit
  • 25% off Optus products
  • Unique shopping discounts with retail partners
  • Flexible working arrangements (3 days in office, 2 days remote)
  • Vibrant and collaborative office campus with amenities (cafes, chill out zones, GP, post office, gym, on-site childcare)
  • Competitive leave policies
  • Additional 'Connected' days
  • Up to 16 weeks paid Parental Leave
  • Employee-led networks and diversity initiatives
  • Free access to counselling and support services (24/7)
  • Free Optus bus from Macquarie University Metro Station

About the Company

  • Optus is an Australian telecommunications company delivering mobile, broadband, and digital solutions.
  • Optus is focused on building resilient, modern security capabilities to protect customers, people, and the business.

Equal Opportunity

  • Optus values diversity and is committed to ensuring equal employment opportunity for all job seekers, including individuals from diverse backgrounds, individuals with a disability, individuals identifying as LGBTQIA+, individuals who have served in the armed forces, and individuals identifying as Aboriginal and/or Torres Strait Islander.
  • Optus aims to make the recruitment process inclusive and offers adjustments or accessibility support upon request.