Security Engineer (Data & Endpoint Security)

OKX; Hong Kong; On-site; HKD 400,000 - 600,000; Full time

Benefits offered by this job

Competitive total compensation package

L&D programs and education subsidy

Team building programs

Wellness and meal allowance

Comprehensive healthcare schemes

Job summary

OKX is looking for a qualified candidate to enhance data security capabilities and participate in incident response. You will develop detection models, validate security rules, and maintain data asset maps while ensuring compliance within security operations.

The ideal candidate has a Bachelor's degree in a related field with hands-on experience in security products. The position includes a competitive compensation package and various benefits to support employee development.

Qualifications

• 3–5+ years of experience in data security or host security.
• Hands-on experience with security products like DLP or EDR.
• Proficiency in macOS and Linux systems.

Responsibilities

• Develop and enhance data security detection capabilities.
• Participate in data security incident identification and investigation.
• Build and maintain data asset maps.

Skills

Data security detection

Host-based detection

Analytical thinking

Communication skills

Big data analytics

Education

Bachelor’s degree or above in Information Security or related fields

Tools

DLP

EDR

UEBA

Elasticsearch

Job description

About The Opportunity

Job Responsibilities

Data Security (Optional Focus Area)

• Develop and enhance enterprise data security detection capabilities, including but not limited to DLP, sensitive data identification, data encryption/decryption, and data masking.
• Continuously validate and optimize existing data security rules, models, and detection strategies to improve coverage and accuracy.
• Participate in data security incident identification, response, investigation, and forensics.
• Build and maintain data asset maps; use graph-based techniques to trace data flows and identify risks of sensitive data exfiltration.
• Use enterprise data platforms to perform risk analytics, anomaly detection, and data-focused threat modeling.

Endpoint / Host Security (Optional Focus Area)

• Build and improve host-based detection capabilities, including malware analysis, intrusion detection, threat modeling, and host behavior baseline modeling across office and production environments.
• Continuously refine host security policies and detection models to improve detection performance and reduce false positives.
• Handle host security alerts and incident response end-to-end.
• Enhance endpoint data collection pipelines to improve data completeness, integrity, and real-time coverage.
• Detect and analyze APT attacks and attempted intrusions across multi-cloud and hybrid environments; support endpoint security architecture improvements.

Job Requirements

Core Requirements

• Bachelor’s degree or above in Information Security, Network Security, Computer Science, or related fields; 3–5+ years of experience in data security or host security.
• Strong understanding of security attack/defense techniques and enterprise security system design.
• Hands‑on experience with data security or endpoint security products (e.g., DLP, EDR, UEBA, sensitive data identification).
• Proficiency in macOS and Linux systems; experience with enterprise endpoint protection solutions.
• Familiarity with big data analytics platforms such as Flink, Spark, Hive, Elasticsearch, and graph analysis technologies.
• Strong analytical thinking, communication skills, and a solid understanding of compliance and legal obligations in security operations.

Preferred Qualifications (Any Of The Below)

• Experience designing endpoint data protection or host agent solutions.
• Experience detecting or analyzing APT attacks in enterprise environments.
• Experience in data lineage analysis, graph‑based security analytics, or sensitive data flow tracing.
• Hands‑on experience with security data models, detection rule engines, or in‑house security product development.
• Prior experience building or operating host/data security systems within an enterprise security team.

Perks & Benefits

• Competitive total compensation package
• L&D programs and education subsidy for employees’ growth and development
• Various team building programs and company events
• Wellness and meal allowance
• Comprehensive healthcare schemes for employees and dependants
• More that we love to tell you along the process!