PhD Graduate Machine Learning Engineer Graduate, Trust and Safety Engineering - 2026 Start
- Location
- Sydney, Australia
- Salary range
- Not stated
- Workplace
- In office
- Level
- Individual contributor
- Job family
- Engineering
- Posted
- Recently
The T&S Network estimates this role to be P1, Junior / Specialist. We don't yet know typical pay for this level in Australia. Most of our pay data comes from US roles. If you work in Trust & Safety in Australia, add your pay to help others. Key skills at this level: builds and ships detection or enforcement systems in production, evaluates a classifier on the metric that matches the harm, not on accuracy, and works with labeled data of uneven and adversarial quality.
Why this level
Estimated from the posting rather than stated by the employer: an early-career or graduate seat · the title reads as P2.
The role, in T&S terms
Written by the T&S Network from TikTok's posting.
Builds machine learning classifiers, models and tools that detect and remove harmful content on TikTok, often before it reaches users. Sits in the Trust & Safety team, which invests in human and machine-based moderation across TikTok's applications. Work covers research and prototyping of trust and safety systems for the platform.
What you'd do
- Build scalable classifiers, tools, models and algorithms using machine learning, computer vision and data mining
- Iterate on trust and safety models and help improve the team's strategy
- Run experiments to test hypotheses and share insights with Product and Tech teams
- Apply research results to product prototypes with engineering teams
- Join research projects within the team or with colleagues in other countries
- Work with cross-functional teams to address business risks on TikTok products
- Present research outcomes to internal and or external audiences
What it asks for
- Currently pursuing a PhD or Master degree in Computer Science or a related engineering field
- Strong grasp of data structures and algorithms
- Strong communication skills and ability to work well in a team
- Enthusiasm for technical methods and tough problems (preferred)
Worth knowing
- Graduate role starting in 2026
Our best summary of the posting, and it can be wrong. The employer's posting is what counts: read it in full on TikTok before you apply. If we got something wrong, report this listing.
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Still listed 14 hours ago
About TikTok

The employer
About TikTok
Social platforms · Media and streaming · Culver City, CA · 50,001 to 100,000 people · Founded 2016
Short-form video platform, run by ByteDance outside the US and by a joint venture of Oracle, Silver Lake and MGX inside it since 2026.
Moderation, reported
TikTok filed 37.7M moderation decisions with the European Commission for May 2026.
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