Security Engineer Tenable

JEET ANALYTICS PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

JEET ANALYTICS PTE. LTD. seeks a Senior ICT Infrastructure Engineer (Cyber Security Tools) to enhance and maintain our security stack, focusing on vulnerability management, compliance, automation, and efficiency.

You will lead remediation planning, optimize Tenable platforms, and ensure CIS Benchmark compliance across multi-vendor environments. The role requires expert Tenable experience (Security Center, Nessus, Tenable One), PAM familiarity (CyberArk), and at least 5 years in cybersecurity

Qualifications

• Tenable Security Center Specialist certification is mandatory.
• 3+ years hands-on with Tenable vulnerability management platforms (Nessus, Tenable One, etc.).
• 3+ years developing/optimizing CIS Benchmark audit files.
• 3+ years administering Tenable Nessus platform operations.

Responsibilities

• Lead vulnerability management of assigned security tools, plan remediation, and assess risk deviations.
• Engineer and improve Tenable platform architecture and operations.
• Administer Tenable Nessus components including agent scans, credentialed scans, plugin updates, and policies.
• Develop and optimize CIS Benchmark audit files for compliance.
• Lead system hardening and security policy enforcement across environments.
• Coordinate IT lifecycle updates with minimal business disruption.
• Support security audits and remediation activities.
• Manage vendor relationships for tool support and service delivery.
• Provide cross-functional operational support, including for Cloud/CII environments.
• Contribute to disaster recovery planning and architecture for managed security tools.

Skills

Tenable Specialist

Tenable Nessus

Audit File optimization

PAM tools (CyberArk)

Vulnerability management

Security operations

Education

Bachelor’s degree in Cybersecurity/IT/CS

Tools

Tenable Security Center

Tenable One

CyberArk PAM

Job description

Job Summary

We are seeking a highly skilled Senior ICT Infrastructure Engineer (Cyber Security Tools) to enhance and maintain our cyber security technology stack, focusing on vulnerability management, compliance, automation, and operational efficiency.

Responsibilities

• Lead vulnerability management of assigned cyber security tools by proactively monitoring vulnerabilities, planning remediation schedules, and managing risk assessments for deviations


• Engineer and continuously improve the Tenable Vulnerability and Compliance Management platform architecture and operations


• Administer and troubleshoot Tenable Nessus platform components including agent-based scans, credentialed scans, plugin updates, and scan policies to ensure accurate vulnerability assessments


• Develop, maintain, and optimize Tenable Audit Files for CIS Benchmark compliance, tailoring audit policies to meet organizational security standards and regulatory requirements


• Lead security compliance efforts through system hardening, configuration management, and enforcement of security policies


• Manage IT lifecycle processes including timely updates and upgrades with minimal business disruption


• Plan system downtime and collaborate with cross-functional teams to coordinate updates and upgrades


• Support regular security audits and perform remediation actions to address findings


• Manage vendor relationships to ensure effective tool support and service delivery


• Provide operational support across a multi-vendor network environment including Critical Information Infrastructure (CII)


• Participate in Disaster Recovery exercises and contribute to architectural planning for managed security tools in cloud environments


• Manage tool setups, migrations, and configurations to maintain operational readiness


• Create, maintain, and review technical documentation and Standard Operating Procedures (SOP) as part of Knowledge Management


• Drive operational efficiencies by applying AI and automation technologies to security tool operations


• Provide after-hours support, including weekends, as required

Required competencies and certifications

• Tenable Security Center Specialist or equivalent certification (mandatory)


• Hands-on experience administering and maintaining the Tenable vulnerability management platform including Tenable One, Tenable Security Center, and Nessus Scanners (minimum 3 years)


• Hands-on experience developing and optimizing Tenable Audit Files for CIS Benchmark compliance (minimum 3 years)


• Hands-on experience administering and troubleshooting Tenable Nessus platform operations (minimum 3 years)


• Experience operating Privileged Access Management (PAM) tools such as CyberArk


• Minimum 5 years of hands‑on experience in cybersecurity operations and security tool management

Preferred competencies and qualifications

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


• Strong vendor management skills


• Effective written and verbal communication skills with ability to influence and communicate with non-technical audiences including management


• Ability to manage work in fast-paced environments across heterogeneous networks including cloud environments and Critical Information Infrastructure (CII)