Linux Engineer

Samsung SDS America•Plano, TX

16h•$156,000 - $166,000

About The Position

Samsung SDS America is seeking a Linux Infrastructure Engineer to manage, optimize, and secure enterprise Linux environments across on-premises data centers and public cloud platforms. The role focuses on Linux system administration, infrastructure automation using Ansible, middleware management, DNS services, and CI/CD and infrastructure-as-code practices. The engineer will apply troubleshooting, performance tuning, and security hardening expertise to support high availability, reliability, and operational efficiency across mission-critical systems, collaborating with infrastructure, security, DevOps, and application teams.

Requirements

At least 8 years of hands-on Linux engineering experience in enterprise environments.
Strong expertise in Linux operating system internals, system administration, performance tuning, and troubleshooting.
Solid understanding of compute, storage, networking, virtualization, and data center operations.
Hands-on DNS experience, including BIND or Unbound, zone management, DNSSEC, and troubleshooting.
Experience with middleware platforms such as Apache, Nginx, Tomcat, JBoss, or WebLogic.
Strong proficiency with Ansible for automation, configuration management, and orchestration.
Experience with at least one major public cloud: AWS, Azure, or GCP.
Familiarity with infrastructure-as-code tools such as Terraform, CloudFormation, or ARM templates.
Strong scripting skills in Bash or Python.
Experience with monitoring and logging platforms such as Prometheus, Grafana, ELK, or Splunk.
Understanding of security hardening, patching, vulnerability remediation, and compliance frameworks.
Excellent communication and cross-team collaboration skills.
Familiarity with ITIL processes and change management.

Responsibilities

Manage, administer, and optimize large-scale Linux server environments across on-premises and cloud platforms.
Support and enhance DNS, DHCP, NTP, load balancers, firewalls, and reverse proxies.
Deploy, configure, and maintain middleware platforms such as Apache, Nginx, Tomcat, JBoss, and WebLogic.
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 issues across compute, storage, networking, and operating system layers and perform root-cause analysis.
Manage operating system patching, kernel upgrades, performance tuning, and security hardening.
Support cloud-based Linux workloads on AWS, Azure, or GCP, including compute instances or virtual machines, storage, IAM, networking, and monitoring.
Collaborate with architecture, security, DevOps, and application teams to support platform reliability and compliance.
Maintain documentation, runbooks, and operational standards for enterprise Linux environments.
Participate in an on-call rotation and support critical production systems with high availability requirements.