Security Analyst

Posted:
5/6/2025, 5:00:00 PM

Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior

Field(s):
IT & Security

Ensign is hiring !

Key Responsibilities:

  • Perform in-depth analysis of security events escalated by L1 analysts to determine scope, impact, and appropriate response actions.

  • Investigate and respond to security incidents, including malware infections, phishing attacks, unauthorized access, and other cybersecurity threats.

  • Conduct root cause analysis and recommend remediation and preventive actions.

  • Utilize threat intelligence feeds and tools to enhance the detection and investigation process.

  • Collaborate with other IT/security teams to contain and resolve incidents.

  • Maintain and improve incident response runbooks and playbooks.

  • Assist in tuning and optimizing SIEM rules, correlation logic, and alerts to reduce false positives.

  • Mentor and support L1 analysts to ensure consistent incident handling practices.

  • Prepare incident reports and executive summaries for management or customers.

  • Participate in red/blue team exercises or threat-hunting activities as needed.
     

Requirements:

Education & Certification:

  • Degree in Cybersecurity, Computer Science, Information Technology, or a related field.

  • Relevant certifications are highly preferred: CompTIA CySA+, EC-Council ECIH, GCIA, GCFA, GCIH, etc.
     

Technical Skills:

  • Strong understanding of network protocols, log analysis, and cybersecurity frameworks.

  • Hands-on experience with SIEM platforms (e.g., Splunk, QRadar, LogRhythm).

  • Familiarity with EDR/XDR tools, IDS/IPS, firewalls, and forensic tools.

  • Ability to write and optimize detection rules and scripts.

  • Knowledge of MITRE ATT&CK and threat modeling methodologies.

Ensign Infosecurity Pte. Ltd

Website: https://ensigninfosecurity.com/

Headquarter Location: Singapore, Central Region, Singapore

Employee Count: 501-1000

Year Founded: 2018

IPO Status: Private

Industries: Cloud Security ⋅ Consulting ⋅ Cyber Security ⋅ Identity Management ⋅ Information and Communications Technology (ICT) ⋅ Information Technology ⋅ Internet ⋅ Network Security ⋅ Penetration Testing ⋅ Professional Services