Senior Security Analyst at Ensign Services

Kuala Lumpur, Kuala Lumpur, Malaysia -

Full Time

Start Date

Immediate

Expiry Date

01 Aug, 26

Salary

0.0

Posted On

03 May, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Incident Response, Threat Hunting, SIEM, EDR, Malware Analysis, Phishing Analysis, Log Analysis, Firewalls, IDS/IPS, MITRE ATT&CK Framework, NIST, ISO 27001, Security Operations, Technical Mentorship, Threat Intelligence, Automation

Industry

Hospitals and Health Care

Description

Ensign is hiring ! The Security Analyst (Level 3) serves as the senior escalation point within the Security Operations Centre (SOC). This role is responsible for advanced incident detection, analysis, containment, and response activities. The L3 Analyst provides technical guidance to junior analysts (L1 & L2), leads threat-hunting initiatives, and contributes to the continuous improvement of SOC processes, detection capabilities, and security posture across clients. Incident Response & Investigation Lead the investigation and resolution of high-severity cybersecurity incidents and advanced threats. Perform deep-dive analysis of malware, phishing campaigns, and intrusion attempts. Coordinate incident response efforts with internal teams and external stakeholders. Prepare detailed incident reports, root cause analyses, and post-incident reviews. Threat Hunting & Intelligence Conduct proactive threat-hunting activities using SIEM, EDR, and threat intelligence feeds. Identify and mitigate emerging threats and vulnerabilities affecting client environments. Correlate threat intelligence data with SOC alerts to identify false positives and refine detection rules. SOC Operations & Process Improvement Review and fine-tune security event correlation rules and use cases within SIEM platforms. Support automation and playbook development to enhance SOC efficiency. Provide mentorship, guidance, and technical support to L1 and L2 analysts. Participate in the creation and enforcement of SOC standard operating procedures (SOPs). Reporting & Continuous Improvement Prepare periodic reports on threat trends, incident metrics, and SOC performance. Collaborate with the engineering and threat intelligence teams to enhance detection coverage. Recommend and implement improvements in tools, processes, and incident response frameworks. Education & Certifications Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field. Professional certifications such as GCIA, GCIH, CEH, CompTIA CySA+, or CISSP preferred. Experience Minimum 5–7 years of experience in Security Operations, Incident Response, or Threat Hunting. Strong understanding of SIEM platforms (e.g., Splunk, QRadar, ArcSight, Sentinel). Hands-on experience with EDR tools, firewalls, IDS/IPS, and log analysis. Skills Strong analytical, investigative, and problem-solving skills. Familiarity with MITRE ATT&CK Framework, NIST, and ISO 27001 controls. Excellent communication skills for incident coordination and reporting. Ability to work independently under pressure and manage multiple priorities. About Ensign InfoSecurity Ensign InfoSecurity is the largest pure-play cybersecurity service provider in Asia. The company is headquartered in Singapore. We specialise in the provision of these services; cybersecurity advisory and assurance, implementation and management of advanced cybersecurity controls, cybersecurity monitoring, threat hunting, and incident response. Underpinning these competencies is in-house research and development in cybersecurity. What Makes Ensign Special? We are a technology company with warmth and soul. We are ambitious, propelled by our vision to be the cyber defender of choice, and fueled by the dedication and camaraderie of individuals who are eager to make a difference, and leave their footprints in the industry. If you are a self-motivated curious go-getter, we want You! Join Us!

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Responsibilities

The Senior Security Analyst serves as the senior escalation point for the SOC, leading incident response, threat hunting, and advanced investigations. This role also provides technical guidance to junior analysts and contributes to the continuous improvement of SOC processes and detection capabilities.