Senior Security Engineer

Posted:
2/9/2026, 3:08:42 PM

Location(s):
Selangor, Malaysia

Experience Level(s):
Senior

Field(s):
IT & Security ⋅ Software Engineering

Ensign is hiring !

Key Responsibilities

  • Design, deploy, configure, and maintain security solutions such as SIEM, SOAR, EDR, NDR, DLP, IAM, firewalls, and cloud security platforms.

  • Lead and support complex security investigations, incident response, and root cause analysis.

  • Ensure security solutions are stable, optimised, and aligned with security architecture and best practices.

  • Perform security tuning, threat detection improvement, and false-positive reduction.
     

Architecture & Implementation

  • Support security solution architecture and technical design during deployment (Day One) and post-deployment operations (Day Two).

  • Review security architecture, identify gaps, and recommend remediation or improvement plans.

  • Work closely with infrastructure, cloud, application, and network teams to integrate security controls.
     

Automation & Continuous Improvement

  • Develop and implement automation, scripts, and workflows to improve operational efficiency and reduce manual effort.

  • Drive standardisation of security processes, playbooks, and runbooks.

  • Contribute to service stability, performance improvements, and reduction of recurring incidents.
     

Advisory & Stakeholder Engagement

  • Act as a technical advisor to internal stakeholders and clients on security risks, controls, and mitigation strategies.

  • Support audits, compliance assessments, and security reviews (e.g. ISO 27001, SOC 2, PCI-DSS).

  • Provide clear technical communication to both technical and non-technical stakeholders.
     

Leadership & Mentorship

  • Mentor junior engineers and provide technical guidance and peer reviews.

  • Contribute to technical knowledge sharing, documentation, and internal capability building.

  • Support team leads and managers in technical decision-making and solution evaluation.

Education

  • Bachelor’s Degree in Computer Science, Information Security, Engineering, or related field (or equivalent experience).


Experience

  • Minimum 5–8 years of hands-on experience in cybersecurity engineering or security operations.

  • Strong experience in at least one major security domain (e.g. SOC, SIEM, Cloud Security, Network Security, Endpoint Security).

  • Experience working in enterprise, MSSP, or system integrator environments is preferred.


Technical Skills

  • Strong knowledge of security technologies such as:

    • SIEM/SOAR (e.g. Splunk, QRadar, Sentinel)

    • EDR/XDR (e.g. CrowdStrike, Defender, SentinelOne)

    • Network & perimeter security (Firewalls, IPS/IDS)

    • Cloud security (AWS, Azure, GCP)

  • Proficiency in scripting or automation (Python, PowerShell, Bash).

  • Strong understanding of security frameworks (NIST, MITRE ATT&CK, ISO 27001).

  • Experience with incident response, threat hunting, and vulnerability management.

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