Senior Linux Systems Engineer - CIS & Ansible Expert

Munvel Business Solutions Pvt Ltd; Singapore; Hybrid; SGD 100,000 - 180,000; Full time

Job summary

Munvel Business Solutions Pvt Ltd is seeking a System Engineer - Linux in Singapore to build and manage RHEL 10 VMs, perform CIS hardening, and validate upgrades. The role emphasizes automation with Ansible, image builders, and OS provisioning tools, along with testing and documenting deployment processes.

Responsibilities include creating remediation cookbooks, validating agent compatibility, and delivering validation reports while ensuring smooth post-implementation support and continuous

Qualifications

• 5–8 years of RHEL engineering experience (RHEL 8/9/10).
• Deep knowledge of CIS benchmarks and MAS compliance frameworks.
• Expertise in Bash or Python scripting.

Responsibilities

• Build and configure RHEL 10 VMs in image and RPM modes.
• Conduct CIS hardening and compliance validation using InSpec profiles.
• Prepare Remediation and Upgrade Cookbooks (Ansible or equivalent).
• Test customer agents (EDR, monitoring, backup, etc.) for compatibility.
• Perform in-place upgrade dry runs and rollback validation.
• Convert VM images (.vmdk -> .ISO) and validate deployability.
• Deliver documentation, build guides, and validation reports.
• Provide post-implementation support and continuous improvement.

Skills

5-8 years RHEL engineering experience

CIS benchmarks knowledge

MAS compliance frameworks

Bash or Python scripting

Tools

Ansible

Image Builder

Kickstart

Packer

VMware tooling

Image conversion

Chef InSpec/OpenSCAP

Job description

Munvel Business Solutions Pvt Ltd is seeking a System Engineer - Linux in Singapore to build and manage RHEL 10 VMs, perform CIS hardening, and validate upgrades. The role emphasizes automation with Ansible, image builders, and OS provisioning tools, along with testing and documenting deployment processes.

Responsibilities include creating remediation cookbooks, validating agent compatibility, and delivering validation reports while ensuring smooth post-implementation support and continuous