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Senior Security Engineer

2 weeks ago

Australia Immutable Full time $150,000 - $200,000 per year

About Us

Immutable is a global technology company, powering the leading platform for building games on Ethereum. We are on a mission to build the future of gaming by redefining how games are played and discovered. Founded in 2018, Immutable is one of the fastest Australian companies to hit unicorn status, having raised more than AUD $300M and a valuation of AUD $3.5 billion.

Currently, the Immutable Group consists of the Immutable Platform, the leading platform for building games on Ethereum powering successful games like RavenQuest and Immortal Rising 2, and Immutable Games, a global leader in web3 game development and publishing with leading titles Gods Unchained and Guild of Guardians.

Our ambition is to make digital worlds real; we have incredible global growth plans as the fastest growing gaming chain in 2024 with 250 games signed, more than in all previous years combined.

About The Role

As Immutable scales rapidly, we're investing in building out a world-class security function. We're looking for a Senior Security Engineer to join our growing security team to lead the charge in detection engineering, response automation, and adversary simulation.

This role is ideal for someone who thrives in fast-paced environments, deeply understands detection and response, and wants to shape security strategy at the core of a web3 company handling digital asset ownership at scale.

You'll Be Empowered To
  • Own and operate our Security Operations (SecOps) and SOAR platforms, building playbooks and automation to reduce response time and improve signal fidelity.
  • Design and implement detection pipelines that surface high-fidelity alerts and enable effective incident triage.
  • Lead initiatives to harden our endpoints, SaaS controls, and workforce identity systems.
  • Deploy and manage security agents (EDR, device assurance, secrets managers) across our environment.
  • Collaborate cross-functionally to integrate security deeply into our SDLC and product architecture.
  • Leverage AI, scripting (Python, Golang), and automation to reduce toil and scale our small but mighty security function.
  • Operate with a "crown jewels" strategy—prioritising what matters most and moving fast where it counts.
We'd Love You To Bring
  • Proven experience in detection and response engineering, security automation, or security operations in a product or platform company.
  • Demonstrated ability to align technical actions with strategic security outcomes.
  • Experience building pipelines that ingest, enrich and route data to security platforms.
  • Curiosity and passion for threat modelling, attack simulation, and adversary behaviour.
  • A pragmatic mindset: no cargo culting, just what works—incremental wins over theoretical perfection.
Strong hands-on knowledge of:
  • Cloud-native services (AWS/GCP)
  • SOAR tools and detection platforms
  • Endpoint agents like Kolide, Santa, or Crowdstrike
  • Identity protocols (OIDC, SAML), RBAC/least privilege
Bonus Points For : Experience in web3, blockchain, or crypto threat environments. Why You'll Love It Here
  • Shape the future of security in a frontier industry (crypto/web3)
  • Work alongside a high-performance team with agency, autonomy, and impact
  • Focus on deep work, tooling, and effectiveness—not firefighting
  • Partner with passionate engineers and leaders who value security
  • Move fast: deliver results in days, not quarters

We are proud of the benefits that we offer for all of our employees globally. Here is a snapshot:

Attracting the best global talent:

We commit to paying globally competitive salaries and contributions & we share our products' success through Employee Stock Options. We also support our US Employees with Medical and 401K Insurance

Our flexible working model blends the best of both worlds: Sydney-based employees enjoy three days a week in our vibrant head office, while remote team members can work from home or utilise access to global office hubs via a WeWork All-Access pass

We offer USD $500 WFH allowance to set up your home office and USD $600 per annum to put toward your internet and phone usage.

Levelling up your growth

We offer up to USD $1,350 per annum for any classes, courses or events to support your growth and development

Enjoy access to free online courses via Udemy

Helping you thrive

Enjoy USD $800 per year to put toward your health and wellbeing

Get 24/7 access to unlimited counselling for you and your family when you need it through our EAP Service

Monthly subsidy and discounted rate with ClassPass, including a 1-year free membership to Breethe

Leave when you need it the most:

New parents receive 12 weeks of paid leave in our gender-neutral offer. The birthing parent also gets an additional six weeks of leave for rest and recovery leading up to and after birth. We also offer Miscarriage Leave and extra leave for IVF treatments

Enjoy 2 additional paid annual leave days at the end of the year and a paid day off for your birthday

Additional Information:

Immutable is committed to building and fostering an inclusive, diverse workplace. We believe in incorporating everyone's perspectives and experiences as this has been a significant driver of our success so far.

We are a 2025 Circle Back Initiative Employer – we commit to responding to every applicant.

*A note to recruitment agencies: Our internal team has this role covered, so there is no need to reach out - We don't accept unsolicited agency resumes and are not responsible for any fees related to unsolicited resumes. Thank you

Join us in shaping the future of web3 gaming

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