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Security Operations Specialist

3-5 Years
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Job Description

Responsible Domains as below:

1. Monitoring & Detection

  • Monitor security alerts from various sources, including SIEM (Security Information and Event Management), EDR (Endpoint Detection and Response), firewalls, and IDS/IPS systems.
  • Triage incoming alerts to distinguish between benign events and genuine security incidents.
  • Maintain and tune use cases within the SIEM to reduce false positives and improve detection capabilities.

2. Incident Response & Management

  • Lead the technical response to security incidents, including malware outbreaks, ransomware, phishing campaigns, data leaks, and unauthorized access.
  • Perform digital forensics, including disk and memory analysis, to determine the root cause and scope of an incident.
  • Contain, eradicate, and recover from security incidents, ensuring business continuity.
  • Document every step of the incident lifecycle, creating detailed after-action reports and timelines.

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3. Threat Hunting & Analysis

  • Proactively search for signs of advanced persistent threats (APTs) or malicious activity that may have evaded existing security controls.
  • Analyze threat intelligence feeds to understand the current threat landscape and anticipate potential attacks against the organization.

4. Communication & Reporting

  • Communicate technical findings to non-technical stakeholders, including management and legal teams, during active incidents.
  • Prepare post-incident reports that include root cause analysis, lessons learned, and remediation recommendations.
  • Escalate critical incidents according to the incident response plan.

5. Process Improvement

  • Recommend and implement improvements to security tools, policies, and playbooks based on lessons learned from incidents.
  • Collaborate with the IT and Development teams to ensure vulnerabilities are patched and configurations are hardened.



Qualifications & Requirements

  1. Education:Bachelor's degree in Computer Science, Information Security, Cybersecurity, or a related field (or equivalent practical experience).
  2. Experience:3+ years of experience in information security, with a focus on incident response, security operations, or threat analysis.
  3. Tools:Proficiency with SIEM platforms (e.g.,ELK), EDR tools (e.g., CrowdStrike, SentinelOne, Defender ATP), and NDR tools (e.g., Darktrace).
  4. Forensics:Experience with digital forensics tools and techniques (e.g., EnCase, FTK, Volatility, Autopsy) is a plus.
  5. Operating Systems:Deep understanding of Windows and Linux operating systems, including logging mechanisms, file systems, and common persistence mechanisms.
  6. Cloud:Familiarity with cloud security and incident response in AWS, AliCloud, or GCP environments.
  7. Scripting:Proficiency in scripting languages such as Python, PowerShell, or Bash for automation and log analysis.
  8. Frameworks:Solid understanding of the Cyber Kill Chain, MITRE ATT&CK framework, and NIST incident response lifecycle.
  9. Analytical Thinking:Exceptional problem-solving skills and the ability to think like an attacker.
  10. Communication:Excellent written and verbal communication skills ability to explain complex technical issues to a non-technical audience.
  11. Stress Management:Ability to remain calm and methodical under pressure during active security breaches. Must be willing to work during non-office hours and ad-hoc request during incident support.
  12. Certifications (Preferred but not mandatory)
  • GIAC Certified Incident Handler (GCIH)
  • Certified Information Systems Security Professional (CISSP)
  • CompTIA Security+
  • Certified Ethical Hacker (CEH)

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About Company

PCCW Limited is a Hong Kong-based information and communications technology company. The company is the majority owner of telecommunications company HKT Limited, and also holds a majority interest in Pacific Century Premium Developments Limited.

Job ID: 147418245

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SmbDnsWindowsHttpPowerShellLinuxWiresharkSiemBashPythonMacosKQLEDRCyber Kill ChainSPL