Senior Linux Infrastructure Engineer - Onsite, Plano, TX

Samsung SDS; Plano (TX); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

401K match

Paid holidays

Paid time off

Job summary

Samsung SDS America, the North American arm of Samsung SDS, seeks a Linux Infrastructure Engineer to manage enterprise Linux environments across on‑prem and cloud. You will automate with Ansible, handle middleware, DNS, CI/CD, and implement IaC, while collaborating with security and DevOps teams to maintain high availability.

The role requires full‑time onsite work in Plano, TX, five days a week. This position emphasizes Linux system administration, performance tuning, and security hardening,

Qualifications

• 8+ years of hands‑on Linux engineering experience in enterprise environments.
• Strong troubleshooting and performance tuning skills.
• Experience with DNS, middleware, and cloud platforms.
• Proficiency with Ansible for automation.
• Experience with AWS/Azure/GCP and IaC tools.
• Scripting in Bash or Python.
• Security hardening and CIS benchmarks.
• US work eligibility and ability to commute to Plano, TX.

Responsibilities

• Manage large-scale Linux server environments (on‑prem and cloud).
• Maintain DNS, DHCP, NTP, load balancers, firewalls, and proxies.
• Deploy and maintain middleware (Apache, Nginx, Tomcat, WebLogic).
• Automate configuration management and provisioning with Ansible.
• Implement CI/CD pipelines and infrastructure‑as‑code.
• Troubleshoot across compute, storage, networking and OS layers.
• Patch OS, kernel upgrades, performance tuning and security hardening.
• Support AWS/Azure/GCP workloads and monitoring.
• Maintain documentation and runbooks for enterprise Linux environments.
• Participate in on‑call rotations for high availability systems.

Skills

Linux OS internals

Linux system administration

DNS administration

Ansible automation

Cloud platforms

Terraform/IaC

Bash/Python scripting

CI/CD pipelines

On-call support

Security hardening

Education

Bachelor's degree in Computer Science or related field

Tools

Ansible Tower/AWX

Bind/Unbound DNS

Prometheus/Grafana

ELK / Splunk

Cloud platforms (AWS/Azure/GCP)

Job description

Samsung SDS America, the North American arm of Samsung SDS, seeks a Linux Infrastructure Engineer to manage enterprise Linux environments across on‑prem and cloud. You will automate with Ansible, handle middleware, DNS, CI/CD, and implement IaC, while collaborating with security and DevOps teams to maintain high availability.

The role requires full‑time onsite work in Plano, TX, five days a week. This position emphasizes Linux system administration, performance tuning, and security hardening,