Systems & Applications Administrator

Omni Fiber LLC

$85K — $110K *
Allen, TX 75002In-Person
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or equivalent experience
  • 8+ years of systems administration or infrastructure operations experience
  • Strong Linux and Windows Server administration skills
  • Production experience with Kubernetes and virtualization platforms
  • Proficiency in scripting and automation tools

Responsibilities

  • Administer and support Linux and Windows server environments
  • Manage containerized workloads using Kubernetes and Docker
  • Maintain virtualization platforms including Proxmox and VMware
  • Administer PostgreSQL and MariaDB databases
  • Perform system maintenance, patching, upgrades, and security hardening
  • Implement and maintain CI/CD pipelines
  • Monitor system and application performance
  • Automate operational processes and maintain documentation

Benefits

  • 401(k) with Employer Matching Contribution up to 4%
  • Professional Development Reimbursement & Advancement Opportunities
  • Paid Company Holidays (8 days) and Floating Holidays (3 days)
  • Paid Time Off (15 days)
  • Medical, Dental, and Vision Coverage
  • Life Insurance & Short-Term Disability
  • HSA with Employer Contribution
  • Monthly Internet & Cell Phone Allowances
  • Mileage Reimbursement
Full Job Description
This role is responsible for managing and optimizing our hybrid infrastructure across Linux, Windows, virtualization, and containerized environments to ensure secure, scalable, and reliable systems that support critical business operations.

Key Responsibilities:
  • Administer and support Linux and Windows server environments
  • Manage containerized workloads using Kubernetes and Docker
  • Maintain virtualization platforms including Proxmox and VMware
  • Administer PostgreSQL and MariaDB databases
  • Perform system maintenance, patching, upgrades, and security hardening
  • Implement and maintain CI/CD pipelines
  • Monitor system and application performance
  • Configure reverse proxies, load balancers, and SSL/TLS certificates
  • Automate operational processes and maintain documentation
  • Participate in on-call rotation as required


Required Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or equivalent experience
  • 8+ years of systems administration or infrastructure operations experience
  • Strong Linux and Windows Server administration skills
  • Production experience with Kubernetes and virtualization platforms
  • Proficiency in scripting and automation tools


Preferred Qualifications:
  • Experience with AWS, Azure, or GCP
  • Familiarity with CI/CD tools and Infrastructure as Code
  • Strong networking and security fundamentals


We take care of our team so they can take care of our customers:
  • 401(k) with Employer Matching Contribution up to 4%
  • Professional Development Reimbursement & Advancement Opportunities
  • Paid Company Holidays (8 days) and Floating Holidays (3 days)
  • Paid Time Off (15 days)
  • Medical, Dental, and Vision Coverage
  • Life Insurance & Short-Term Disability
  • HSA with Employer Contribution
  • Monthly Internet & Cell Phone Allowances
  • Mileage Reimbursement


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