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Staff Security Engineer

3 weeks, 1 day ago
Australia
Full-time
Lead
Security Engineer
Cybersecurity
AWS CI/CD Go Kubernetes Penetration Testing Ruby Secrets Management Terraform
Apply Now
Buildkite

Buildkite

Buildkite: Powerful CI/CD platform for fast, secure, and scalable pipelines on your own infrastructure, offering flexibility, security, and data-driven insights.

Commercial Services & Supplies
51-250
Founded 2014
$41M raised
View All Jobs 10

Description

  • Lead threat modeling and architectural security reviews across the organization.
  • Conduct adversary simulations, penetration tests, and abuse-case testing against key application and business areas.
  • Drive technical strategy for application security, adversarial testing, and cloud security.
  • Design scalable security guardrails across CI/CD, infrastructure-as-code, and developer tooling.
  • Improve vulnerability discovery, triage, remediation workflows, and ownership models.
  • Strengthen supply chain and dependency security across build systems and artifacts.
  • Design security controls embedded into product and infrastructure.
  • Partner with engineering leaders and senior ICs to align on security trade-offs.
  • Lead high-impact security initiatives from discovery through rollout.
  • Shape incident readiness, detection improvements, and post-incident hardening.
  • Mentor engineers to improve secure design and implementation practices.
  • Use automation, tooling, and policy-as-code to reduce recurring security issues.

Requirements

  • 7+ years of experience in security engineering, with strong depth in application security and adversarial testing.
  • Extensive knowledge of common web and API vulnerabilities, including the OWASP Top 10 and beyond.
  • Experience designing and reviewing secure architectures for distributed systems.
  • Hands-on adversarial security experience, including offensive testing, exploit validation, abuse-case modeling, or red teaming.
  • Strong understanding of cloud security fundamentals, ideally in AWS.
  • Experience securing CI/CD pipelines and modern developer platforms.
  • Familiarity with Terraform or other infrastructure-as-code systems.
  • Experience with Kubernetes security patterns and workload controls.
  • Strong understanding of identity, secrets management, and access control systems.
  • Comfort reading and writing production code in Ruby, Go, or similar languages.

Benefits

  • Competitive compensation, including salary, equity, and benefits.
  • Flexible, remote-first work culture.
  • Meaningful technical challenges at scale.
  • Opportunities for professional growth and company-wide technical influence.
  • Collaborative, inclusive, and innovative culture.
  • Reasonable accommodations during the recruitment process for candidates who need support.

Interested in this position?

Apply directly on the company website

Apply Now

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