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Security Engineer

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Security Engineer in Australia

  • Firmus Technologies
  • Full time
  • Email
  • Sydney

Responsibilities

  • Own CI/CD security gates covering SAST, DAST, SCA, secrets detection, and SBOM generation.
  • Build automation for finding triage, dependency uplift, evidence collection, draft threat models, and regression testing.
  • Create reusable security libraries, service templates, and developer tooling for secure software delivery.
  • Write and review production code, including security-critical paths that automated tools may miss.
  • Set application security standards for authentication, service authorization, tenant isolation, secret handling, and logging.
  • Lead threat modeling and secure design reviews for REST, gRPC, APIs, multi-tenant applications, and AI assistants or agents.
  • Govern AI-agent tool and tool-server access, including scoping, allow-listing, and auditing.
  • Own application security posture, vulnerability prioritization, remediation tracking, and vulnerability SLAs.
  • Extend SOC 2 Type 2 and ISO 27001 controls into software delivery and provide query-based evidence.
  • Coach security champions, support application and API security incident response, and advise engineering leadership and customers on application risk.

Requirements

  • Bachelor’s degree in computer science or a related technical field.
  • At least 7 years of experience in application security, product security, or software engineering with a security focus.
  • Experience securing a public cloud or multi-tenant platform with a public API.
  • Deep practical knowledge of the OWASP Top 10, OWASP API Security Top 10, threat modeling, STRIDE, REST, and gRPC.
  • Experience improving software security through standards, tooling, reviews, or secure-by-default patterns.
  • Production ownership of CI/CD security gates including SAST, DAST, SCA, secrets detection, and SBOM generation.
  • Production-quality programming ability in at least one of Python, Go, or TypeScript.
  • Hands-on experience with LLM-backed or agentic features, prompt injection, tool misuse, delegated credentials, cross-tenant leakage, and generated code controls.
  • Practical experience with OAuth, OIDC, JWT, RBAC or ABAC, application-layer cryptography, token handling, and software secrets.
  • Experience working under SOC 2 Type 2 or ISO 27001 and producing evidence that controls ran.
  • Willingness to participate in application and API security incident response and occasional overseas travel.
  • Clear and effective written and verbal English communication.
  • Bonus qualifications include securing AI agents or sandboxed code execution, running a vulnerability disclosure program, and CSSLP or OSWE certification.

Benefits

  • The role is based in Singapore or Australia.
  • Occasional overseas travel may be required.
  • The position offers exposure to AI infrastructure, energy systems, next-generation compute, and work alongside founders and technical experts.

Firmus Technologies

Firmus Technologies delivers cutting‑edge digital solutions that empower businesses to innovate and scale efficiently. Our team blends industry expertise with agile development practices to craft customized software that meets each client’s unique needs. By fostering collaboration and continuous ...

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