Unix L3

Ad Astra Staffing Solutions Private Limited; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

Ad Astra Staffing Solutions Private Limited in Singapore seeks an experienced Infrastructure Engineer to install, configure, and harden UNIX/Linux servers and build robust environments across Development, Testing, UAT and Production.

You will drive automation and IaC, standardizing server builds, provisioning procedures, and deployments while collaborating with cross-functional teams to support application onboarding and releases.

Qualifications

• Proven experience in Linux administration and UNIX server hardening.
• Hands-on in building multi-environment development pipelines across Dev, Test, UAT and Production.
• Experience with automation scripting and infrastructure-as-code practices.
• Familiarity with clustering, cloud, and storage technologies.

Responsibilities

• Collaborate with application, database, network, cloud and security teams.
• Participate in project planning, design reviews and deployment activities.
• Ensure infrastructure readiness for onboarding and releases.

Skills

Linux Administration

UNIX server build

Shell scripting

Python automation

Tools

VCS FSS / Veritas Cluster

AWS

Azure

VMware

SAN/NAS

LVM

Job description

De ion:

Primary Skills :

• Linux Administration (RHEL / Oracle Linux)
• UNIX Server Build, Configuration & Hardening
• Shell ing / Python Automation

Secondary Skills :

• High Availability & Clustering (VCS FSS / Veritas Cluster)
• Cloud & Virtualization (AWS, Azure, VMware)
• Storage Administration (SAN/NAS, LVM)

JD:

Infrastructure Build & Implementation

Install, configure, and harden UNIX/Linux servers.

Build project environments (Development, Test, UAT, Production).

Configure storage, networking, security, and system services.

Project Support

Collaborate with application, database, network, cloud, and security teams.

Participate in project planning, design reviews, and deployment activities.

Ensure infrastructure readiness for application onboarding and releases.

Automation & Standardization

Develop automation s for server provisioning and operational tasks.

Implement configuration management and Infrastructure-as-Code practices.

Standardize server builds and deployment procedures.