Unix Administrator

TANGSPAC SEARCH PRIVATE LIMITED; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A technology recruitment firm in Singapore is seeking a System Administrator with at least 8 years of experience in Unix and Linux systems. The role includes performing system administration, implementing disaster recovery plans, and managing UAT environments. Candidates should have a relevant degree, experience with SAN, and be proficient in scripting for automation. The position requires providing 24/7 support and familiarity with OS hardening is preferred. Professional certifications in Unix and Linux are a plus.

Qualifications

• Minimum 8 years of experience in system administration and support in middleware, Unix and Linux systems.
• Experience in performing OS hardening and patching is required.
• Must provide 24/7 support on a rostered basis.

Responsibilities

• Perform system administration and maintenance across environments.
• Implement a schedule of system backups and ensure data recoverability.
• Monitor expiry and perform renewal of system passwords and certificates.

Skills

Usability

UAT

SAN

Scripting

Unix

Administration

Information Technology

Service Level

RedHat

System Administration

Hardening

Disaster Recovery

Solaris

Linux

Education

Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field

Tools

Enterprise backup software

System monitoring software

Job description

Roles & Responsibilities

Key Responsibilities:

System Administration

• Perform system administration and maintenance in a heterogeneous environment (production, DR, test) comprising of Sun Solaris servers and Linux-based servers
• Perform system upgrade and enhancement on IT infrastructure components
• Implement operating system and product‑specific security hardening and patches
• Monitor obsolescence of IT infrastructure components (systems)
• Monitor expiry and perform renewal of system passwords and certificates
• Implement a schedule of system backups and database archive operations to ensure data recoverability and business continuity
• Develop and implement disaster recovery plans for IT infrastructure (systems) and conduct regular disaster recovery testing and component switch‑over exercises to ensure usability of standby and DR equipment
• Manage the application User Acceptance Test (UAT) and upkeep the use of UAT environment
• Document middleware platforms and related infrastructure as directed with respect to functionality, maintenance, and administration
• Provides technical support and guidance (level 3) to end‑users and other IT resources
• Provide second‑level system support and resolve incidents and problems in accordance to established Service Level Agreement (SLA)
• Perform problem diagnosis on incidents and propose and implement measures to prevent recurrence

Requirements:

• Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field
• Minimum 8 years of experience in system administration and support in middleware, Unix and Linux systems
• Experience in working with SAN for Unix and Linux platforms
• Experience in performing OS hardening and patching
• Experience with enterprise backup and system monitoring and management software
• Proficient in scripting for Unix and Linux‑based environments to automate tasks
• Familiar with database administration and data centre operations will be an advantage
• Provide 24/7 support on a rostered basis
• Provide weekend and after‑office‑hours support for change implementation (for critical production services)

Professional Certifications

• Unix and Linux Certified System Administrator certifications
• Industry certification for public cloud administration preferred

EA Reg. No. 25C2690 | EA License No. R1330510

Tell Employers What Skills You Have

• Usability
• UAT
• SAN
• Scripting
• Unix
• Administration
• Information Technology
• Service Level
• RedHat
• System Administration
• Hardening
• Disaster Recovery
• Solaris
• Linux