App & Platform Security Engineer – Secure-by-Design

Stfrancis; Sydney; Hybrid; AUD 70,000 - 110,000; Full time

Job summary

TikTok is seeking a motivated graduate security engineer to join our Sydney team. You will work on building scalable, secure systems and help protect users and infrastructure while learning from seasoned professionals.

You will gain exposure to security architecture, threat modeling, and incident response, with opportunities to contribute to real-world projects across product teams. This role is ideal for graduates aiming to grow quickly in a fast-paced tech environment.

Qualifications

• Strong fundamentals in application security, software engineering, or related security domains.
• Proficiency in at least one programming language: JavaScript (Node JS), Go, Python, Java, C++, or Rust.

Responsibilities

• Ensure applications are designed and implemented to the highest security and privacy standards to maintain user trust.
• Review and analyze designs, architectures, systems and networks from a security perspective using testing, reviews, automation and threat modeling.
• Identify security issues under new threat scenarios and support incident response and remediation in cross-functional teams.

Skills

Security fundamentals

Programming languages

Education

CS/CE/EE degree

Job description

TikTok is seeking a motivated graduate security engineer to join our Sydney team. You will work on building scalable, secure systems and help protect users and infrastructure while learning from seasoned professionals.

You will gain exposure to security architecture, threat modeling, and incident response, with opportunities to contribute to real-world projects across product teams. This role is ideal for graduates aiming to grow quickly in a fast-paced tech environment.