Senior Security Tools Engineer - Tenable & Automation Lead

Unison Group; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Unison Group is seeking a Senior ICT Infrastructure Engineer (Cyber Security Tools) to join its Cyber Security Operations team in Singapore. The role focuses on admin, engineering and continuous improvement of the Tenable vulnerability and compliance platforms, with emphasis on automation, AI, audits, and policy enforcement.

The successful candidate will lead VM for security tools, ensure CIS benchmark compliance, manage audits, coordinate with vendors, and contribute to DR planning while

Qualifications

• Bachelor's degree in Cybersecurity, IT, CS or related field.
• Minimum 5 years hands-on cybersecurity operations experience.
• Minimum 3 years administering Tenable VM platform (Tenable One, Security Center, Nessus).
• Minimum 3 years administering Tenable Nessus platform (agent-based scans, credentialed scans, plugin updates).
• Minimum 3 years developing/auditing Tenable Audit Files for CIS Benchmark scans.
• Experience with Privileged Access Management (PAM) tools such as CyberArk.
• Strong vendor management and cross-functional communication skills.
• Experience across cloud environments and Critical Information Infrastructure (CII).
• Tenable Security Center Specialist or equivalent certification mandatory.

Responsibilities

• Lead Vulnerability Management (VM) for security tools with proactive monitoring and remediation planning.
• Lead security compliance via system hardening, config management and policy enforcement.
• Oversee IT lifecycle management and timely updates with minimal business disruption.
• Plan downtime and coordinate with cross-functional teams for system updates.
• Support audits and perform remediation actions with vendors.
• Develop and maintain technical documentation and SOPs (KM).
• Drive efficiencies through AI and automation.
• Provide after-hours support as required.

Skills

Cyber security operations

Security tool management

Tenable platform

Nessus

Vendor management

Communication skills

PAM tools

Automation

Cloud environments

Audit & compliance

Education

Bachelor's degree in Cybersecurity/IT/CS

Tools

Tenable Vulnerability Management

Tenable One

Tenable Security Center

Nessus Scanners

CyberArk PAM

Job description

Unison Group is seeking a Senior ICT Infrastructure Engineer (Cyber Security Tools) to join its Cyber Security Operations team in Singapore. The role focuses on admin, engineering and continuous improvement of the Tenable vulnerability and compliance platforms, with emphasis on automation, AI, audits, and policy enforcement.

The successful candidate will lead VM for security tools, ensure CIS benchmark compliance, manage audits, coordinate with vendors, and contribute to DR planning while