Vulnerability Management Specialists (IT/OT/Network)

SINGAPORE POWER LIMITED; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

SINGAPORE POWER LIMITED is seeking an experienced cybersecurity professional to lead vulnerability management across OT, SCADA, and IT environments in Singapore. You will assess vulnerabilities, coordinate remediation plans, and support patch deployments with system owners and vendors.

Candidates should have 5+ years in OT/SCADA/CII or related fields, working knowledge of ISO 27001, CIS Benchmarks, and strong patching and troubleshooting skills.

Qualifications

• Bachelor’s degree in Cybersecurity, Computer Science, Engineering or a related field.
• 5+ years’ experience in OT/SCADA/CII, network, infrastructure administration, IT or cybersecurity operations.
• Working knowledge of ISO 27001, CIS Benchmarks, risk assessment, network security, patch and vulnerability management.
• Strong troubleshooting skills for patching, firmware upgrades and configuration changes.

Responsibilities

• Assess vulnerabilities across OT, SCADA, CII, IT/network environments, and recommend remediation.
• Assess remediation feasibility, operational impact and compensating controls for sensitive systems, and coordinate remediation plans, patch schedules and maintenance windows with teams, system owners and vendors.
• Support patch deployment, firmware upgrades and validation across servers, applications, network devices and OT systems.
• Conduct periodic scans on OT, air-gapped, enterprise and cloud environments; coordinate penetration tests and asset inventory mapping.
• Provide weekend support for emergency patches, critical deployments or maintenance windows.
• Track KPIs/KRIs on vulnerability exposure, patch compliance and SLA adherence, and present dashboards and technical reports to the security council and senior management.
• Prepare documentation for Change Requests, Deviations and Risk Acceptances.
• Coordinate security reviews, risk assessments and audits, and follow through on recommendations from auditors or the security council.
• Support the VM Lead in facilitating remediation meetings with system owners and stakeholders.

Skills

OT/SCADA experience

CII security

ISO 27001

Vulnerability management

Patching & firmware

Education

Bachelor’s degree in Cybersecurity, Computer Science, Engineering or related field

Tools

Kubernetes

PowerBI

MS Excel

Co-Pilot

Job description

What You'll Do:

• Assess vulnerabilities across OT, SCADA, CII, IT/network environments, and recommend remediation.
• Assess remediation feasibility, operational impact and compensating controls for sensitive systems, and coordinate remediation plans, patch schedules and maintenance windows with teams, system owners and vendors.
• Support patch deployment, firmware upgrades and validation across servers, applications, network devices and OT systems.
• Conduct periodic scans on OT, air-gapped, enterprise and cloud environments; coordinate penetration tests and asset inventory mapping.
• Provide weekend support for emergency patches, critical deployments or maintenance windows.
• Track KPIs/KRIs on vulnerability exposure, patch compliance and SLA adherence, and present dashboards and technical reports to the security council and senior management.
• Prepare documentation for Change Requests, Deviations and Risk Acceptances.
• Coordinate security reviews, risk assessments and audits, and follow through on recommendations from auditors or the security council.
• Support the VM Lead in facilitating remediation meetings with system owners and stakeholders.

What You'll Need:

• Bachelor’s degree in Cybersecurity, Computer Science, Engineering or a related field.
• 5+ years’ experience in OT/SCADA/CII, network, infrastructure administration, IT or cybersecurity operations.
• Working knowledge of ISO 27001, CIS Benchmarks, risk assessment, network security, patch and vulnerability management.
• Strong troubleshooting skills for patching, firmware upgrades and configuration changes.

Candidates are expected to fulfil one or more of the following areas. Experience in multiple areas is a plus:

• Operating Systems & Virtualization: Linux (RedHat preferred), Windows, vCenter, ESXi, Kubernetes.
• Database Management: MSSQL, Oracle, PostgreSQL.
• SAP Systems: Kernel, PO, support packages, SAP Notes.
• Application stacks: Java, .NET, Apache, nginx, IIS, Weblogic.
• Network Systems: Routers, switches, firewalls (ACI, Cisco, Arista, F5, Checkpoint, Palo Alto); network flows.
• VM Analyst: 3+ years in vulnerability management and 5+ years in analytics; skilled in dashboards and reporting (MS Excel, Co-Pilot, PowerBI).

We regret to inform that only shortlisted candidates will be notified.