Senior Security Analyst (SOC Level 3)

Ensign Services; Kuala Lumpur; On-site; MYR 70,000 - 130,000; Full time

Job summary

Ensign Services is seeking a skilled SOC Analyst to lead incident response, perform forensic analysis, and develop detection capabilities. You will work with cross-functional teams to identify root causes and improve defense effectiveness.

The role requires hands-on experience with SIEM/EDR/IDS and a strong understanding of TTPs, MITRE ATT&CK, and cloud security monitoring. Strong communication and mentoring skills are essential for success.

Qualifications

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field.
• Strongly preferred certifications.
• Experience in SOC operations, incident response, or threat detection is desirable.
• Applicants should demonstrate solid analytical and communication skills.

Responsibilities

• Lead high-severity incident response and containment activities across IT and business units.
• Conduct forensic analysis on endpoints, networks, and logs to determine root cause.
• Develop detection use cases and correlation rules from threat intel and MITRE ATT&CK.
• Perform proactive threat hunting using SIEM, EDR, and intel feeds.
• Fine-tune alerts and playbooks to reduce false positives and improve SOC efficiency.
• Mentor L1/L2 analysts and provide guidance and quality review of investigations.
• Serve as escalation point for complex security issues and investigations.
• Contribute to post-mortems and propose security posture improvements.
• Collaborate with red/purple teams and engineering to validate defenses.

Skills

Analytical thinking

Problem-solving

Communication skills

Leadership of investigations

Cross-functional collaboration

Education

Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field

Tools

SIEM

EDR

IDS/IPS

SOAR

Threat intel feeds

Python

PowerShell

Bash

Windows

Linux

AWS/Azure security monitoring

Job description

Key Responsibilities:

• Lead high-severity incident response and containment activities, coordinating with stakeholders across IT and business units.

• Conduct in-depth forensic analysis on endpoints, networks, and logs to determine the root cause and impact of security incidents.

• Develop advanced detection use cases and correlation rules based on threat intelligence and TTPs (MITRE ATT&CK, etc.).

• Perform proactive threat hunting using SIEM, EDR, and threat intel feeds to uncover undetected threats.

• Review and fine-tune alerts, playbooks, and automation workflows to reduce false positives and improve SOC efficiency.

• Mentor L1 and L2 analysts, providing guidance, training, and quality review of investigations.

• Serve as a technical escalation point for complex security issues and investigations.

• Contribute to incident post-mortems and provide recommendations to improve security posture and processes.

• Collaborate with red/purple teams and engineering to simulate attacks and validate defense effectiveness.

Requirements:

Education & Certification:

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field.

• Strongly preferred certifications:

Technical Skills:

• Deep understanding of security monitoring and detection tools (SIEM, EDR, IDS/IPS, SOAR).

• Strong hands-on experience in forensic tools, log analysis, malware analysis, and packet inspection.

• Solid grasp of attacker tactics, techniques, and procedures (TTPs), threat modeling, and behavior analytics.

• Familiarity with scripting or automation (Python, PowerShell, Bash) is an advantage.

• Experience with Windows, Linux, and cloud environments (AWS/Azure security monitoring).

Soft Skills:

• Excellent analytical and problem-solving skills.

• Strong written and verbal communication, including report writing.

• Ability to lead investigations and influence cross-functional teams under pressure.

Preferred Experience:

• 4–6+ years of experience in SOC operations, incident response, or threat detection.

• Experience working in or leading incident response within a 24x7 SOC or MSSP environment.

• Prior involvement in threat hunting or red/purple team collaboration is a strong plus.