Senior Linux/Unix Security Engineer – Hardening & Access

UOB Innovation Hub 2 Sdn Bhd; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

6255 UOB Innovation Hub 2 Sdn Bhd is seeking an experienced Linux/UNIX Security Specialist to manage security hardening, access controls and privileged ID lifecycle for bank systems in Malaysia.

You will collaborate with cross-functional teams to enforce Security Standards, perform audits, and provide guidance on Linux/UNIX security matters. Strong documentation and stakeholder communication are essential for this role.

Qualifications

• Diploma/Degree in engineering/Computer Science/IT/Cyber Security from a recognized education institution
• Professional security related qualification (e.g., SANS, CISSP, CISA, CISM, etc.) will be favourable although not mandatory
• Overall experience 5 – 7 years of experience
• Minimum 5+ years strong experience with Linux (Red Hat, Suse, CentOS) and UNIX (Solaris, AIX) Security Administration.
• Preferably have system administration experience on Windows, Database and Network devices.
• Good communications skills with ability to influence others and provide recommendations.
• Ability to write documentation (Security Standards, Access Control Baseline, Processes)
• Experience in software configuration management tools (Chef) and log monitoring tools (Splunk) is a plus.
• Good stakeholder management skills to collaborate with other departments.
• Possess excellent analytical and problem-solving skills.
• Good understanding of security principles, banking products and services.

Responsibilities

• Handle change requests for Linux/UNIX systems.
• Perform Linux/UNIX server takeover process and security hardening compliance verification processes.
• Support rectification of security hardening failures for Linux/UNIX servers in accordance with the established Bank’s Security Standards.
• Carry out rectification of password change failures for privileged accounts.
• Perform audit extraction and review for Linux/UNIX systems. Write documentation (Security Standards, Access Control Baseline, Processes).
• Responsible for Linux/UNIX security hardening in accordance with the established Bank’s Security Standards.
• Perform Linux/UNIX server takeover process and security hardening compliance verification processes.
• Assess the security access control for bank-wide Linux/UNIX servers by performing pre-production compliance checking.
• Periodically conducting user access review for systems and applications. Provide technical expertise in the area of Linux/UNIX security matters and work closely with Application Development team to establish and develop application access control matrix.
• Granting and assignment of access privileges based on the approved access control matrix for Linux/UNIX platform.
• Troubleshoot access and privilege issues. Identify and rectify issues, as well as proper escalation to management.
• Provide appropriate technical guidance and advisory on Linux/UNIX platform security matters.
• Implementation and administration of System Access Control using SUDO on Linux/UNIX platform.
• Responsible for Linux/UNIX privileged IDs lifecycle (On-boarding to CyberArk Password Vault, rectification of privileged IDs password change failures, and decommissioning of privileged IDs).
• Develop and establish access control baseline, processes and procedures to ensure open system environment is properly and accurately secure in accordance with the regulatory, bank and industry standards.
• Communicate effectively with a variety of internal teams and third-party service providers/vendors
• Capable of managing a variety of priorities and deliverables in an operational, interrupt driven environment with minimal guidance or supervision
• Resolve standard/routine issues with no guidance and complex/unusual issues with minimal guidance.
• Willingness to perform on-call duties as and when required.

Skills

Linux/UNIX Security

Security Administration

Incident Response

Documentation

Stakeholder management

Education

Diploma/Degree in engineering/Computer Science/IT/Cyber Security

Tools

Chef

Splunk

Job description

6255 UOB Innovation Hub 2 Sdn Bhd is seeking an experienced Linux/UNIX Security Specialist to manage security hardening, access controls and privileged ID lifecycle for bank systems in Malaysia.

You will collaborate with cross-functional teams to enforce Security Standards, perform audits, and provide guidance on Linux/UNIX security matters. Strong documentation and stakeholder communication are essential for this role.