Sr Security Engineer (Vulnerability)

MANPOWER STAFFING SERVICES (SINGAPORE) PTE LTD; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

MANPOWER STAFFING SERVICES (SINGAPORE) PTE LTD in Singapore is seeking a seasoned Vulnerability Management Specialist to drive remediation across IT, OT, and cloud environments. You will assess vulnerabilities, prioritize fixes based on risk, coordinate cross-team remediation plans, and support patch deployment and validation.

You will develop dashboards and reports for senior management, maintain compliance with CIS, ISO 27001, and risk assessments, and contribute to governance, audits, and

Qualifications

• Bachelor’s degree in Cybersecurity, Computer Science, or related field.
• 5+ years’ experience in IT, OT, or network administration.
• Solid understanding of vulnerability management lifecycle, patch management, CIS Benchmarks, ISO 27001, risk assessment and network security.
• Troubleshooting skills for patching, firmware upgrades, configuration changes and implementation issues.
• Ability to translate technical vulnerabilities into business risk, remediation priority and management-level updates.

Responsibilities

• Assess vulnerabilities and prioritise remediation based on risk, severity, exploitability, asset criticality and operational impact.
• Coordinate with business, application, infrastructure and system teams on remediation plans, patch schedules and approved maintenance windows.
• Support patch deployment and validation across servers, applications, network devices, databases, cloud platforms and related systems.
• Validate patch stability, effectiveness and compatibility after implementation.
• Conduct periodic vulnerability scans across air-gapped systems, OT environments, cloud services and other in-scope assets.
• Support asset visibility and vulnerability scan coverage across relevant environments.
• Track KPIs/KRIs, vulnerability exposure, patch compliance, remediation progress and SLA adherence.
• Prepare dashboards, technical reports and management updates for the security council, senior management and relevant stakeholders.
• Prepare and review documentation for Change Requests, deviations, risk acceptances, remediation evidence, security reviews, risk assessments and audits.
• Facilitate remediation meetings with system owners and stakeholders, track action items, follow up on SLA breaches and elevate risks where required.
• Provide weekend or after-hours support for emergency patches, critical deployments or approved maintenance windows when required.
• Support process improvement through automation of reporting, patching, tracking and workflow activities.

Skills

Vulnerability management

Patch management

Risk assessment

Network security

Troubleshooting

Business risk translation

Communication to management

Education

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

Tools

PowerShell

Python

Shell scripting

API integration

Power BI

Job description

Key Responsibilities

• Assess vulnerabilities and prioritise remediation based on risk, severity, exploitability, asset criticality and operational impact.
• Coordinate with business, application, infrastructure and system teams on remediation plans, patch schedules and approved maintenance windows.
• Support patch deployment and validation across servers, applications, network devices, databases, cloud platforms and related systems.
• Validate patch stability, effectiveness and compatibility after implementation.
• Conduct periodic vulnerability scans across air-gapped systems, OT environments, cloud services and other in-scope assets.
• Support asset visibility and vulnerability scan coverage across relevant environments.
• Track KPIs/KRIs, vulnerability exposure, patch compliance, remediation progress and SLA adherence.
• Prepare dashboards, technical reports and management updates for the security council, senior management and relevant stakeholders.
• Prepare and review documentation for Change Requests, deviations, risk acceptances, remediation evidence, security reviews, risk assessments and audits.
• Facilitate remediation meetings with system owners and stakeholders, track action items, follow up on SLA breaches and elevate risks where required.
• Provide weekend or after-hours support for emergency patches, critical deployments or approved maintenance windows when required.
• Support process improvement through automation of reporting, patching, tracking and workflow activities.

Requirements

• Bachelor’s degree in Cybersecurity, Computer Science, or related field.
• 5+ years’ experience in IT, OT, or network administration.
• Solid understanding of the vulnerability management lifecycle, patch management, CIS Benchmarks, ISO 27001, risk assessment and network security.
• Troubleshooting skills for patching, firmware upgrades, configuration changes and implementation issues.
• Ability to translate technical vulnerabilities into business risk, remediation priority and management-level updates.

Technical Specialisations

Candidates are expected to have experience in one or more of the following areas. Experience across multiple areas will be advantageous:

• Operating Systems & Virtualisation: Linux, Red Hat, Windows, VMware vCenter, ESXi and Kubernetes.
• Database Platforms: Microsoft SQL Server, Oracle and PostgreSQL.
• SAP Systems: SAP Kernel, Process Orchestration, support packages and SAP Notes.
• Application Stacks: Java, .NET, Apache, nginx, IIS and WebLogic.
• Network Systems: Routers, switches, firewalls, load balancers, ACI, Cisco, Arista, F5, Check Point, Palo Alto and network flow analysis.
• Vulnerability Management & Analytics: Vulnerability management platforms, dashboards, reporting, Microsoft Excel, Power BI, Microsoft Copilot or equivalent analytics tools.
• Automation & Scripting: PowerShell, Python, shell scripting, API integration and workflow automation.

Advantageous Experience

• Practical use of AI tools to summarise vulnerability data, generate reports, improve dashboards or identify remediation trends.
• Awareness of AI-related security risks and responsible use of enterprise AI tools.
• Experience supporting vulnerability remediation governance, deviation tracking, audit preparation or security council reporting.