Senior Security Engineer

Ensign InfoSecurity; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Ensign InfoSecurity in Singapore seeks a senior cybersecurity consultant to lead engagements across assessments, architecture design, and remediation roadmaps. You will translate client business and compliance requirements into actionable technical solutions and act as the primary technical point of contact for clients during engagements.

Responsibilities include designing and implementing security controls, conducting POC exercises, integrating tools with SIEM/XSIAM/SOC platforms, and

Qualifications

• Degree in Computer Science, Engineering, Information Security or related discipline; 5+ years in consulting and security domains.
• Hands-on implementation experience and client-facing delivery essential.
• Experience deploying security solutions and integrating with enterprise environments.
• Strong knowledge of NIST CSF, CIS Controls, ISO 27001, MITRE ATT&CK, Zero Trust.

Responsibilities

• Lead security consulting engagements: assessments, architecture design, gap analysis, remediation roadmaps.
• Translate client requirements into actionable technical solutions and runbooks.
• Manage engagement scope, timelines, and deliverables with PMs.
• Produce architecture diagrams, solution designs, executive summaries.
• Act as primary technical contact and support SOC/incident response when needed.
• Design and implement security solutions across multiple domains and run POC exercises.

Skills

Security architecture

Security tool implementation

Managed security operations

SIEM/XDR integration

Automation

Client-facing consulting

Python

PowerShell

Bash

APIs

AI/LLM in security

SOAR platforms

Education

Degree in Computer Science, Engineering, Information Security

Tools

SIEM/XSIAM

SOAR platforms

SOC platforms

Job description

• Lead and execute cybersecurity consulting engagements, including security assessments, architecture design, gap analysis, and remediation roadmaps.
• Translate client business and compliance requirements into actionable technical solutions.
• Manage engagement scope, timelines, and deliverables in collaboration with project/engagement managers.
• Produce high-quality technical documentation: solution designs, architecture diagrams, runbooks, and executive summaries.
• Act as the primary technical point of contact for clients throughout the engagement lifecycle.
• Leverage AI agents to help run analysis and tighten outputs.
• Design and implement security solutions across domains.
• Conduct proof-of-concept (POC) exercises as part of solution design and validation.
• Deploy security tool based on security design.
• Troubleshoot deployment issues to ensure minimal disruption to clients.
• Operate and maintain deployed security tools as part of ongoing managed security services (MSS).
• Integrate security tools with SIEM/XSIAM/SOC platforms for centralized log ingestion.
• Support incident response by providing tool-level context, log analysis, and remediation actions when SOC escalates findings.
• Leverage developed agents to help with MSS.
• Partner with the sales team as a technical subject-matter expert during the sales cycle for consulting, implementation, and managed services engagements.

Requirements:

• Degree in Computer Science, Engineering, Information Security or related discipline, with a minimum of 5 years' relevant experience across several of the following: security architecture, security tool implementation, managed security operations, SIEM/XDR integration, automation, and client-facing consulting. Hands-on implementation experience and client-facing delivery experience are essential.
• Strong experience in one or more security domains.
• Experience deploying and integrating security solutions with enterprise environments.
• Strong understanding of security frameworks and standards such as NIST CSF, CIS Controls, ISO 27001, MITRE ATT&CK, Zero Trust principles
• Experience developing or leveraging automation using Python, PowerShell, Bash, or API integrations.
• Knowledge of SOAR platforms and workflow automation.
• Experience using AI/LLM technologies securely for security operations, threat analysis, documentation generation, and investigation workflows.