Senior Unix Systems Engineer

Singapore, Singapore, Singapore on site Until 8/21/2026 6+ years exp First posted April 22, 2026 Last posted April 22, 2026
Job description

Senior Unix Systems Engineer

Join a mission-critical infrastructure team powering high-availability payment systems where uptime, security, and performance are non-negotiable. This role offers deep technical ownership, exposure to enterprise-scale environments, and the opportunity to engineer resilient platforms supporting real-time financial transactions.

Key Responsibilities:
- Administer and maintain Unix and Linux servers across production, disaster recovery, and testing environments reliably.
- Implement system upgrades, security hardening, patching, and proactive monitoring to ensure infrastructure stability and compliance.
- Manage incidents, perform root cause analysis, and implement preventive solutions aligned with service level agreements.
- Execute change, release, and deployment activities ensuring minimal disruption to critical payment systems and services.
- Monitor capacity, optimize performance, and support infrastructure projects while maintaining documentation and operational processes.

Job Requirements:
- Bachelor’s degree in IT, Computer Science, or a related field with strong infrastructure fundamentals and knowledge.
- Minimum 6 years’ experience administering Unix, Linux, and middleware environments within enterprise or financial services organizations.
- Hands-on expertise in scripting, automation, system monitoring, backup tools, and SAN storage technologies across environments.
- Experience in OS hardening, patching, performance tuning, and supporting high availability production systems effectively.
- Strong analytical, communication, and problem-solving skills with the ability to work independently in fast-paced environments.

Be part of a high-impact team supporting critical financial infrastructure where your work directly ensures system reliability and trust. You’ll gain exposure to complex, enterprise-scale environments while advancing your expertise in resilient infrastructure engineering.

Apply now to take ownership of mission-critical systems and elevate your infrastructure engineering career. Reach out to Naveen at [email protected]

About this role

Summary

Manage Unix/Linux servers, ensure security, performance, and system stability in financial environment.

Job title

Senior Unix Systems Engineer

Experience level

6+ years

Minimum experience

6+ years exp

Industry

finance

Location requirements

Singapore, remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

unixlinuxscriptingmonitoringstorage

Preferred skills

security hardeningpatchingperformance tuninghigh availability

Specializations

unixlinuxautomationsystem monitoringstorage
Locations

Structured locations inferred from the posting.

Alexandra, Singapore

On-site City
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