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T-Rex Solutions, LLC

Relentlessly Driving Innovation

Linux Administrator

System AdministratorSystem AdministratorFull TimeRemoteSeniorTeam 201-500H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

5 days ago

Salary

$75K - $112K / year

Seniority

Senior

Job Description

Linux Administrator

T-Rex Solutions, LLC

• Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) in both physical and virtual environments. • Perform regular system updates, patch management, and kernel upgrades. • Deploy, configure, and manage Linux-based infrastructure in AWS, Azure, OCI, and GCP. • Utilize cloud-native tools and services for monitoring, scaling, and automating Linux workloads • Develop and maintain automation scripts using Bash, Python, and other relevant scripting languages. • Utilize configuration management tools (e.g., Ansible, Puppet, Chef) to automate provisioning and configuration of Linux systems. • Implement and manage monitoring solutions to ensure high availability and performance of Linux systems. • Perform performance tuning and optimization of Linux servers and applications. • Ensure systems comply with organizational and industry security standards. • Conduct regular security audits, vulnerability assessments, and implement remediation strategies. • Perform vulnerability remediation and hardening of servers using DISA STIGs (Security Technical Implementation Guides). • Implement and manage backup and recovery solutions for Linux environments. • Perform regular testing of backup and disaster recovery processes. • Work closely with security teams to support application deployment and troubleshooting. • Provide Tier 2/3 support for Linux-related incidents and service requests. • Participate in on-call rotations

Job Requirements

  • Must be a US Citizen with the ability to obtain a Public Trust clearance
  • Bachelors degree and four (4) years or more of related experience or Masters and two (2) or more years of related experience.
  • Proven experience managing Linux environments in multiple cloud platforms (AWS, Azure, OCI, GCP).
  • Strong knowledge of Linux operating systems (CentOS, Ubuntu, Red Hat).
  • Experience with cloud services and tools from AWS (EC2, S3, VPC), Azure (VMs, Blob Storage, Virtual Network), OCI (Compute, Block Volumes, Networking), and GCP (Compute Engine, Cloud Storage, VPC).
  • Proficiency in scripting languages (Bash, Python).
  • Familiarity with configuration management tools (Ansible Core/Tower/AAP/Galaxy, Puppet, Chef).
  • Familiarity with Red Hat Satellite server including setup of content views to define and manage the lifecycle of content (such as RPM packages, container images, Puppet modules, and Ansible roles)
  • Experience with monitoring tools (e.g. Prometheus, Grafana, CloudWatch, Azure Monitor).
  • Knowledge of security best practices and compliance requirements (e.g. HIPAA, SOC 2, ISO 27001).
  • Experience performing vulnerability remediation and hardening of servers using DISA STIGs.

Benefits

  • PTO available to use immediately upon joining (prorated based on start date)
  • paid parental leave
  • individual and family health, vision, and dental benefits
  • annual budget for training, professional development and tuition reimbursement
  • a 401(k) plan with company match fully vested after 60 days of employment

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