UNIX/Linux Infrastructure Engineer

ELLIOTT MOSS CONSULTING PTE. LTD.; Penarth, High Street; On-site; GBP 70,000 - 100,000; Full time

Job summary

Elliott Moss Consulting Pte. Ltd. seeks an experienced UNIX/Linux Infrastructure Engineer to design, build, secure, and support enterprise UNIX/Linux environments across Development, Test, UAT and Production.

You will implement automation, OS hardening, high availability, and project deployments with focus on scalable, compliant infrastructure. The role involves configuration of services, networking, storage, patching, and collaboration with cross-functional teams to ensure reliable, secure

Qualifications

• Strong experience in Linux administration and OS hardening.
• Hands-on UNIX/Linux server build, configuration and security.
• Proficient in shell scripting and Python automation.

Responsibilities

• Design, build, configure, secure and support UNIX/Linux environments.
• Provision, patch, upgrade and harden servers across environments.
• Configure services, networking, storage and security components.
• Develop automation scripts and IaC for provisioning and operations.
• Implement high availability, clustering and DR readiness.
• Collaborate with app, database, network, cloud and security teams.
• Create and maintain TDDs, runbooks and knowledge articles.

Skills

Linux Administration

UNIX/Linux server build

Shell scripting

Python automation

Tools

VMware

AWS

Azure

Job description

Job Description

• We are looking for an experienced UNIX/Linux Infrastructure Engineer to design, build, configure, secure, and support enterprise UNIX/Linux environments.
• The role will be responsible for infrastructure implementation, automation, security hardening, high availability, and project deployment activities across Development, Test, UAT, and Production environments.

Key Responsibilities

• Infrastructure Build & Implementation Install, configure, build, and harden UNIX/Linux servers, primarily RHEL and Oracle Linux.
• Build and configure Development, Test, UAT, and Production environments.
• Configure system services, networking, storage, and security components.
• Perform server provisioning, configuration, patching, and system upgrades.
• Ensure infrastructure readiness for application deployment and onboarding.
• High Availability & Clustering Configure and support High Availability and clustering solutions, including Veritas Cluster Server (VCS/FSS).
• Perform cluster configuration, maintenance, failover testing, and troubleshooting.
• Support Disaster Recovery and business continuity activities.
• Automation & Standardization Develop Shell scripts and Python automation for server provisioning and operational activities.
• Implement configuration management and Infrastructure-as-Code practices.
• Standardize server build processes, configurations, and deployment procedures.
• Identify opportunities to automate repetitive infrastructure tasks.
• Storage & Virtualization Configure and administer SAN/NAS storage, LVM, and filesystem environments.
• Support storage provisioning, capacity management, and troubleshooting.
• Work with virtualization platforms such as VMware. Support cloud infrastructure across AWS and Azure where required.
• Security & Compliance Implement OS security hardening and enterprise security standards.
• Perform patching and vulnerability remediation. Ensure UNIX/Linux environments comply with organizational and regulatory security requirements.
• Support security audits and remediation activities.
• Project & Deployment Support Collaborate with application, database, network, cloud, and security teams.
• Participate in infrastructure planning, design reviews, testing, and deployment activities.
• Support application releases, cutovers, migrations, and production implementations.
• Troubleshoot infrastructure issues and provide technical support during project execution.
• Documentation & Knowledge Transfer Create and maintain Technical Design Documents (TDDs), build documents, SOPs, runbooks, and knowledge articles. Document infrastructure configurations, deployment procedures, and recovery processes.
• Provide knowledge transfer to operations and support teams. Maintain accurate project and operational documentation.

Key Deliverables

• UNIX/Linux server build and configuration OS security hardening and compliance Automation scripts and playbooks
• High-availability and clustering implementation Storage configuration and administration Deployment and cutover support Capacity and performance reporting Disaster Recovery documentation Technical Design Documents (TDD) Operational runbooks and knowledge articles

Required Skills & Experience

• Primary Skills Strong experience in Linux Administration – RHEL / Oracle Linux
• Hands-on experience in UNIX/Linux server build, configuration, and security hardening
• Strong Shell Scripting and Python automation skills