Security Engineer

TECH AALTO PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

TECH AALTO PTE. LTD. is seeking a Security Engineer with deep hands-on experience in cybersecurity operations and vulnerability management.

You will administer Tenable platforms, perform CIS benchmark-aligned scans, and tailor audit policies to meet security standards. Strong scripting and cloud awareness are essential to automate tasks across complex networks. Ideal candidates demonstrate vendor management skills and the ability to communicate clearly with non-technical stakeholders, including

Qualifications

• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or related field.
• Minimum 5 years hands-on experience in cybersecurity operations and security tool management.
• Minimum 3 years administering Tenable vulnerability management platforms (Tenable One/SC/Nessus).
• Minimum 3 years administering and troubleshooting Tenable Nessus platform (agent-based scans, credentialed scans, plugin updates).
• Minimum 3 years developing and optimizing Tenable Audit Files for CIS Benchmark compliance scans.

Skills

Cybersecurity operations

Vulnerability management

Automation scripting

Vendor management

Communication skills

AI literacy

Cloud environments

Regulatory/compliance

Education

Bachelor's degree in Cybersecurity/IT/CS

Tools

Tenable Nessus

Tenable SecurityCenter

Tenable One

CyberArk PAM

Prisma Cloud (Twistlock)

Job description

Security Engineer

Key Skill - Tenable & Automation

Requirements

• o Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or relatedfield.
• o Minimum5years of hands‑on experience in cybersecurity operations and security toolmanagement.
• o Minimum 3 years of hands‑on experience administering and maintaining the Tenable vulnerability management platform, including Tenable One, Tenable SecurityCenter, Nessus Scanners, and related components.
• o Minimum 3 years of experience in administering and troubleshooting the Tenable Nessus platform, including agent‑based scans, credentialed scans, plugin updates, scan policies, and vulnerability assessment operations.
• o Minimum 3 years of hands‑on experience developing, maintaining, and optimizing Tenable Audit Files for CIS Benchmark compliance scans, including tailoring audit policies to organizational security standards and regulatory requirements.
• o Hands‑on ability in operating Privileged Access Management (PAM) tools such as CyberArk.
• o Good vendor management skills.
• o Good written and verbal communication skills withdemonstrated ability to influence and communicate effectively with non‑technical audiences including management.
• o Applicants are expected to manage work in fast‑paced environments, across heterogeneous networks, including cloud environments, some of which are Critical Information Infrastructure (CII).
• o Tenable Security Center Specialist or equivalent certification is a mandatory requirement for this role. Candidates who do not have the relevant certification are advised not to apply.

Preferred Qualifications,Knowledgeand Experience

• o Proven ability to manage andmaintaincyber security operations.
• o Good understanding of Vulnerability Management (VM) and Compliance Management processes, with hands‑on experience using enterprise security tools such as Tenable Nessus and Palo Alto Networks Prisma Cloud (formerly Twistlock) for vulnerability assessment, compliance monitoring, and remediation support.
• o Experience with automation tools and scripting (Ansible, Python, PowerShell)to automate repetitive tasks.
• o Experience with Singapore Government security standards and compliance frameworks (IM8,CSA guidelines).
• o Experience in harnessing AI solutions to continuously improve cybersecurity operations efficiency,including processes and service delivery, is advantageous.
• o Experience indemonstratingAI literacy with the ability to use AI tools responsibly, ethically, and securely, ensuring compliance with organisational policies, data privacy confidentiality, and governancerequirements.
• o Understanding of financial sector security requirements and regulations.
• o Tenable Security Center Expert or equivalent certification is preferred.