Senior Infrastructure Security Engineer

UOB; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

1011 United Overseas Bank Ltd in Singapore is seeking an Infrastructure Security Engineer to design, implement, and maintain security controls across Windows, Linux, Unix, and Active Directory. You will develop hardening standards, automate compliance checks, monitor for drift, and drive remediation in collaboration with infrastructure and security teams.

You will define security requirements for privileged and non-human identities, support audits, and build reusable configurations to scale

Qualifications

• Experience in Windows/Linux/Unix security and hardening
• Ability to translate security policies into technical controls
• Strong analytical, documentation and communication skills
• Experience in privileged and non-human identity security and monitoring

Responsibilities

• Develop and maintain security hardening standards for Windows, Linux, Unix, AD and related technologies.
• Develop automated compliance profiles and monitor systems for configuration drift and deviations from baselines.
• Analyze findings, recommend remediation with platform and app teams.
• Strengthen AD security including privileged access, GPOs, authentication and delegation.
• Define security requirements for privileged and non-human identities and lifecycle management.
• Identify and remediate unmanaged, orphaned, or excessively privileged accounts.
• Provide security engineering support for new tech, upgrades, incidents, and audits.
• Develop reusable security configurations, guidance, automation, and engineering patterns.
• Collaborate with Infrastructure, Identity and Access Management, Security Architecture, Cyber Defense, Risk and Governance teams.

Skills

Windows administration

Linux administration

Unix administration

Active Directory

Privileged access

Non-human identity security

Configuration compliance

Vulnerability management

Security monitoring

Policy translation

Stakeholder management

Documentation

Communication

Problem solving

Education

Cybersecurity certification

IT/Engineering degree (advantageous)

Job description

1011 United Overseas Bank Ltd in Singapore is seeking an Infrastructure Security Engineer to design, implement, and maintain security controls across Windows, Linux, Unix, and Active Directory. You will develop hardening standards, automate compliance checks, monitor for drift, and drive remediation in collaboration with infrastructure and security teams.

You will define security requirements for privileged and non-human identities, support audits, and build reusable configurations to scale