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From the employer's careers site First seen 26 Oct 2026

Senior Security Engineer (Product Security)

Immutable Sydney Hybrid senior Full Time Permanent

The employer hasn't listed a salary.

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Description

Immutable builds products for game studios, including a marketing data platform and blockchain infrastructure. As a Senior Security Engineer, you will join a security team of five and report to the Head of Security. Your primary focus will be on reviewing new services, building threat models, and fixing issues in code with the product engineering teams.

Responsibilities:

  • Own the vulnerability management program, including bug bounties and findings from scanning tools, with a goal of 90%+ SLA compliance on critical and high issues
  • Own the AI agents that review pull requests for security issues and triage incoming bugs
  • Develop a security context layer that enables AI agents to triage and propose fixes with less human input
  • Keep threat models and attack graphs current as the product changes

Requirements:

  • Application security expertise, with the ability to find and fix vulnerabilities in code
  • Experience building AI tooling, such as agents or automations
  • Solid AWS security experience, including IAM, network controls, and secrets management
  • Familiarity with GCP, detection and response, and web3 knowledge are desirable

Benefits:

  • Competitive base salary and contributions to a long-term fund
  • Employee Stock Options (ESOP)
  • Flexible working model with hybrid 3 days a week in the Sydney office
  • USD $500 WFH allowance to set up your home office
  • USD $600 per annum to put toward your internet and phone usage
  • USD $75 per quarter for remote employees to celebrate with local team members
  • Up to USD $1,350 per annum for classes, courses, or events to support your growth and development
  • Access to free online courses via Udemy
  • USD $800 per year to put toward your health and wellbeing
  • 24/7 access to unlimited counselling for you and your family through the EAP Service

Skills

Required

Nice to have

  • Web3 experience
  • Deeper detection and response experience
  • Experience running a bug bounty program

Ready to apply?

You apply with the employer directly. Their original posting is here: https://jobs.lever.co/immutable/80353766-d815-497e-bf5f-17594677fcd9

Apply on Immutable