Linux Engineer

Samsung SDS America is the North American technology and digital transformation arm of Samsung SDS, a global leader in IT services, cloud, artificial intelligence, enterprise platforms, cybersecurity, and logistics solutions. We partner closely with Samsung's industry-leading businesses-including Samsung Electronics, Samsung Semiconductor, Samsung Display, and Samsung Research-to design, implement, and support innovative technology solutions that accelerate business performance.

In addition to supporting Samsung affiliates, Samsung SDS America works with enterprise customers across a wide range of industries, helping organizations modernize their technology ecosystems through cloud transformation, data management, cybersecurity, AI, enterprise applications, and digital innovation. Our teams combine deep technical expertise with a collaborative, customer-focused approach to deliver secure, scalable, and business-critical solutions.

About the Role:

We are seeking a Linux Infrastructure Engineer to manage, optimize, and secure enterprise Linux environments across on-premises data centers and public cloud platforms. This role focuses on Linux system administration, infrastructure automation using Ansible, middleware management, DNS services, and CI/CD and infrastructure-as-code practices. The ideal candidate brings strong troubleshooting, performance tuning, and security hardening expertise to ensure high availability, reliability, and operational efficiency across mission-critical systems. This individual will collaborate with infrastructure, security, DevOps, and application teams to support continuous improvement and maintain enterprise infrastructure standards.

Responsibilities:

• Manage, administer, and optimize large-scale Linux server environments (RHEL, CentOS, Ubuntu, or SUSE) across on-prem and cloud platforms.
• Support and enhance core infrastructure components including DNS, DHCP, NTP, load balancers, firewalls, and reverse proxies.
• Deploy, configure, and maintain middleware platforms such as Apache, Nginx, Tomcat, JBoss, WebLogic, or similar enterprise stacks.
• Build and maintain automation for configuration management, patching, and provisioning using Ansible, Ansible Tower/AWX, or equivalent tools.
• Implement and support CI/CD pipelines, infrastructure-as-code, and automated deployment workflows.
• Troubleshoot complex issues across compute, storage, networking, and OS layers with strong root-cause analysis.
• Manage OS patching, kernel upgrades, performance tuning, and security hardening (SELinux, CIS benchmarks).
• Support cloud-based Linux workloads on AWS, Azure, or GCP, including EC2/VMs, storage, IAM, networking, and monitoring.
• Collaborate with architecture, security, DevOps, and application teams to ensure platform reliability and compliance.
• Maintain documentation, runbooks, and operational standards for enterprise Linux environments.
• Participate in on-call rotation and support critical production systems with high availability requirements.