Cybersecurity Operations, Assistant Manager

Rajah & Tann Singapore LLP; Singapore; On-site; SGD 110,000 - 180,000; Full time

Job summary

Rajah & Tann Singapore LLP is seeking a Cybersecurity Operations, Assistant Manager to strengthen day-to-day security operations and contribute to strategic planning. You will handle security tools, alert triage, incident handling and secure configuration while coordinating with service providers and driving AI-enabled security initiatives.

The role requires proven experience in security operations, ability to assess risks, and strong communication with technical and non-technical stakeholders.

Qualifications

• At least four years of experience in IT, technology operations or cybersecurity.
• At least two years in security operations, including alert triage and incident handling.
• Experience implementing controls across cloud, SaaS and on‑premises systems.
• Ability to assess security risks and recommend proportional controls.
• Experience coordinating with internal stakeholders and external providers.
• Security certifications (e.g., CISSP, CISM, GIAC, CompTIA Security+) are advantageous but not mandatory.

Responsibilities

• Manage and operate security technologies across vulnerability management, DLP, EDR, email security, identity security, cloud security and more.
• Design, build and manage autonomous AI agents to support security tasks.
• Serve as service manager for external MSSPs.
• Investigate and triage security alerts including phishing and DLP alerts.
• Define and evaluate secure configuration baselines for SaaS, cloud and on‑prem systems.
• Respond to and manage security incidents to minimize impact.

Skills

Security operations

Alert triage

Incident handling

Vulnerability management

Secure configuration

Stakeholder communication

Tools

EDR

DLP

MSSP management

Job description

About Rajah & Tann Singapore LLP

This is an exciting time to join Rajah & Tann Singapore LLP: one of Singapore’s largest law firms and is a member of ASEAN’s largest network of law firms – Rajah & Tann Asia. We maintain a mature and forward-looking security program and are certified to Singapore’s highest tier of cybersecurity certification - Cyber Trustmark (Advocate) as well as ISO 27001:2022. As we pursue a leading position in the responsible adoption of AI within ASEAN’s legal sector, you will join a firm where cybersecurity and innovation are strategic priorities.

About the Role

As a Cybersecurity Operations, Assistant Manager, you will help protect the firm by strengthening day-to-day security operations and contributing to strategic security planning. This role combines hands-on responsibility for security tools, alert triage, incident handling and secure configuration with opportunities to improve processes, manage service providers and develop AI-enabled security capabilities.

Key Responsibilities

• Security Tool & Platform Operations: Manage and operate security technologies covering vulnerability management, Data Loss Prevention (DLP), Endpoint Detection and Response (EDR), email security, identity security, cloud security, mobile device security, and security orchestration and automation.
• Autonomous AI Agent Development: Design, build, test and manage AI agents that safely support repeatable security operations tasks, with appropriate oversight and continuous improvement.
• Service Management: Act as the service manager for external Managed Security Service Providers (MSSPs).
• Security Alert Triage: Investigate and triage security alerts, including phishing emails, DLP alerts and alerts raised by MSSPs, and coordinate appropriate containment or escalation.
• Secure Configuration Management: Define and evaluate secure configuration baselines across SaaS, cloud, and on-premises systems.
• Incident Handling: Respond to and manage security incidents effectively to minimize impact.

Requirements

• At least four years of relevant experience in IT, technology operations or cybersecurity.
• At least two years of hands-on experience in security operations, including alert triage, incident handling, vulnerability management or secure configuration.
• Experience implementing or operating technical cybersecurity controls across two or more of the following environments: cloud, SaaS and on-premises systems.
• Ability to assess security risks in the context of business needs, evaluate practical options and recommend proportionate controls.
• Experience working with internal stakeholders and external service providers, with the ability to coordinate security activities and follow through on issues.
• Ability to explain security risks and requirements clearly in writing and verbally to technical and non-technical stakeholders.
• Relevant cybersecurity certifications, such as CISSP, CISM, GIAC, CompTIA Security+ or equivalent, are advantageous but not mandatory.

Only shortlisted candidates will be contacted.