Senior Unix & Linux Systems Engineer/ Administrator
CareerallySingapore, Singapore
Posted March 4, 2026
Full Time
About the Company
Careerally Pte Ltd is a Singapore‑based specialist recruitment agency that delivers flexible, tailored talent solutions across technology, finance, healthcare, sustainability, manufacturing, telecommunications, HR, and sales & marketing. Leveraging a data‑driven 4A framework—Analyze, Align, Advise, Activate—they align recruitment strategies with client objectives, ensuring the right talent for roles ranging from entry‑level to executive. Their comprehensive services include permanent placements, executive search, project‑based hiring, and recruitment consulting. Careerally distinguishes itself through deep industry expertise, a partnership‑focused approach, and a commitment to building high‑performing teams and career opportunities.
Job Description
We are seeking a Senior Unix & Linux Systems Engineer/ Administrator to manage and maintain enterprise Unix and Linux environments supporting critical online payment services. This role is responsible for ensuring system availability, security, performance, and resilience across production, disaster recovery, and test environments in a 24/7 operational setting.
Requirements
- Bachelors degree in Information Technology, Computer Science, Information Systems, or a related discipline
- Minimum 6 years of hands-on experience in Unix and Linux system administration in enterprise environments
- Strong experience with Sun Solaris and Linux-based platforms
- Hands-on experience with OS hardening, security patching, and vulnerability remediation
- Experience working with SAN storage, enterprise backup, and system monitoring tools
- Proficiency in Unix/Linux scripting for automation and operational efficiency
- Familiarity with middleware platforms, database administration, and data centre operations is an advantage
- Experience supporting 24/7 mission-critical systems in a rostered environment
- Exposure to public cloud administration and hybrid infrastructure environments is preferred
- Strong analytical, troubleshooting, and problem-solving skills
- Excellent communication and stakeholder engagement skills
- Ability to work independently and collaboratively in a team
- Resilient, adaptable, and comfortable operating in a fast-paced environment
- Customer-focused mindset with strong ownership and accountability
- Unix/Linux System Administrator certifications and public cloud certifications are preferred
Benefits
- Up to $8,000 + Shift Allowance + Bonus + comprehensive benefits package
