Senior Red Hat Linux Systems Engineer

Role Overview

As the Senior Red Hat Linux Systems Engineer, you will serve as the technical authority and team lead for our RHEL Managed Services infrastructure. You will drive platform standards, architect automation workflows, and manage the technical delivery of core OS operations across enterprise environments. Leading a dedicated three-person engineering team, you will oversee patching cycles, security hardening, golden image lifecycles, and high-impact infrastructure projects.

Key Responsibilities

Lead a 3-person RHEL engineering team; plan workloads, assign daily operational tasks, review technical evidence, and mentor junior engineers.

Own six annual OS patching and hardening cycles across SIT, UAT, DR, and Production. Plan readiness checks, change strategies, rollback procedures, validation, and post-cycle reporting.

Design, build, and maintain enterprise RHEL golden images (covering RHEL 7, 8, 9, and RHEL 10 adoption planning) integrated with required infrastructure and security agents.

Develop and maintain production Ansible playbooks/cookbooks for automated server provisioning, in-place upgrades (IPUG), and CIS-aligned OS hardening.

Lead patching, upgrade, and maintenance activities for NPS and VCS environments according to the agreed service calendar.

Evaluate cybersecurity alerts from regulatory, national, and internal security bodies. Assess infrastructure exposure, define remediation pathways, submit compliance assessments, and ensure closure.

Provide technical leadership for OS obsolescence remediation, data center relocations, storage migrations, and audit remediation tasks.

Required Qualifications & Experience

Degree or Diploma in Computer Science, Information Technology, Engineering, or a related discipline.

7–10 years of overall Linux systems administration experience, including at least 4 years dedicated to enterprise RHEL environments.

Deep hands-on experience with RHEL 7/8/9 (RHEL 10 exposure/planning is a strong plus), including kernel/package management, systemd, LVM, storage/filesystems, networking, performance tuning, and recovery.

Advanced hands-on experience using Ansible or Ansible Automation Platform (AAP) to build, review, and troubleshoot automation workflows.

Practical working knowledge of CIS Benchmarks, vulnerability remediation, privileged access management, and audit evidence standards.

RHCE

strongly preferred;

RHCSA

(or demonstrable equivalent experience) required.

K2 PARTNERING SOLUTIONS PTE. LTD

K2 Partnering Solutions is a professional global recruitment and staffing company which delivers top-tier IT professionals within the niche markets of ERP/CRM/SOA/BI.

In South-East Asia, we are the only foreign based staffing firm that focuses exclusively on the Enterprise Application market. With a focus on both permanent and contract (freelancing) recruitment in Singapore and regionally, our clients include many prestigious international companies as well as several large domestic firms. Being one of most well known technology recruiting firms globally, our main technological verticals include SAP and Cloud Technologies with an unparalleled attention to candidate service and client satisfaction.

We are confident to expand our services in Asia with our trade mark quality control system REQ® (Relationship-Expertise-Quality).

Being the Best by working with the Best

K2 has a huge interest in establishing good relationships with IT and Business consultants who are specialized in the SAP/Cloud areas for both permanent and contract (freelancing) opportunities. We deliver on our promises and are able to provide opportunities here in Japan as well as within our global network.

K2 Partnering Solutions was established in London at 1997, we have successfully grown to a 250 million USD turnover company, and expanded our organizations to Europe, USA, South America and Asia with 21 offices operating at the moment.

K2 is currently expanding rapidly in Asia Pacific region. We aim to provide the very best in service to our consultants as well as IT talent to our clients across the region.