Senior Manager, Infrastructure Security – Operations

Assurity Trusted Solutions Pte Ltd

. Lead end-to-end Day 2 operations for the National Cybersecurity Command Centre, including infrastructure observability, vulnerability and patch management, asset and configuration management, backup and recovery, firewall, privileged account and log reviews, incident response and network administration.

Posted 10/15/2026contractSingapore • SingaporeSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in leading cybersecurity operations, including incident management, vulnerability remediation, and service-level governance. Proficient in utilizing operational metrics to drive improvements and ensure compliance with relevant standards and practices.

Highest-signal resume keywords

IT Service ManagementIncident And Problem ManagementVulnerability And Patch ManagementChange And Release ManagementLeadership And Stakeholder Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure ObservabilityBackup And RecoveryConfiguration ManagementNetwork AdministrationSecurity OperationsRoot-Cause AnalysisOperational Metrics MonitoringAutomationPerformance ReportingRisk Management

Soft Skills

Analytical SkillsDecision-MakingWritten CommunicationVerbal Communication

Certifications & Qualifications

ITILPMPCISSPCISM

Industry Keywords

CybersecurityGovernment SystemsCompliance RequirementsSingapore Government StandardsService-Level Objectives

Tech Stack

Tools & technologies

CloudCyber SecurityITSMPMP

About the role

Key responsibilities & impact

Lead end-to-end Day 2 operations for the National Cybersecurity Command Centre, including infrastructure observability, vulnerability and patch management, asset and configuration management, backup and recovery, firewall, privileged account and log reviews, incident response and network administration.
Establish operational governance, service-level objectives, escalation paths, duty arrangements, standard operating procedures and performance reporting.
Coordinate change, release and maintenance activities, assessing risks and dependencies and ensuring testing, approvals, rollback plans and stakeholder communications.
Direct incident and problem management, including major-incident coordination, root-cause analysis, corrective actions, lessons learnt and preventive measures.
Oversee vulnerability remediation and security operations, prioritising work and escalating material gaps.
Manage internal teams, service providers and vendors; review work quality, deliverables, resource allocation and compliance.
Own the operations improvement roadmap and translate recurring issues and user needs into automation, dashboards, reports and product backlog items.
Define and monitor operational metrics for availability, capacity, performance, security, incident trends, change success, recovery readiness and automation benefits.
Support audits, risk reviews and management reporting, maintaining evidence, operational records, risk registers and remediation plans.
Coach team members and build operational capability.
Track license/subscription expiration, hardware and software end of life, and SSL certificate expiration.
Support CSA onboarding, exit and project transition activities to minimise operational disruption and meet compliance requirements.

Requirements

What you’ll need

Relevant studies in Information Technology, Computer Science, Cybersecurity, Engineering or a related discipline.
At least 8 years of relevant experience in infrastructure, platform, network, security or service operations, including experience leading multidisciplinary operational teams.
Strong knowledge of IT service management, observability, incident and problem management, change and release management, vulnerability and patch management, backup and recovery, and configuration or asset management.
Experience operating mission-critical, security-sensitive or government systems, including coordination across users, engineering teams and vendors.
Working knowledge of security controls, audit and risk-management practices, and relevant Singapore Government requirements such as IM8 and GovTech policies and standards.
Demonstrated ability to use operational data to prioritise improvements and drive automation, reporting and service-quality outcomes.
Strong leadership, stakeholder-management, analytical, decision-making and written and verbal communication skills.
Relevant certifications such as ITIL, PMP, CISSP, CISM, cloud or network certifications are advantageous.

Benefits

Comp & perks

We promote a learning culture and encourage you to grow and learn.
Annual Leave Benefits with additional perks such as Family Care and Birthday Leave.
Working in a collaborative environment with helpful team members
Contract staff enjoys the same benefits as a permanent staff