Linux Administrator

Job ID: 112880
Location: DC, Washington  [Remote]
Category: App/Dev
Employment Type: Contract
Date Added: 06/18/2026
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Role Summary
The Linux Administrator will support multi-cloud infrastructure for enterprise cloud development, ensuring stability, performance, and security across Linux environments. This role is responsible for managing Linux servers deployed in both virtual and cloud-based settings, with hands-on support for automation, monitoring, and hardening. The position operates at a Tier 2/3 support level and includes participation in an on-call rotation. The scope spans multiple cloud platforms, including AWS, Azure, OCI, and GCP.

Responsibilities 

  • Install, configure, and maintain Linux servers across physical and virtual environments (CentOS, Ubuntu, Red Hat, and related distributions)
  • Perform regular system updates, patch management, and kernel upgrades
  • Deploy, configure, and manage Linux-based infrastructure across AWS, Azure, OCI, and GCP
  • Use cloud-native tools and services to monitor, scale, and automate Linux workloads
  • Develop and maintain automation scripts using Bash, Python, and other relevant scripting languages
  • Apply configuration management practices using tools such as Ansible, Puppet, or Chef to automate provisioning and configuration
  • Implement and manage monitoring solutions to ensure high availability and performance
  • Conduct performance tuning and optimization of Linux servers and applications
  • Ensure systems comply with security standards through regular audits, vulnerability assessments, and remediation
  • Implement backup and recovery solutions and regularly test disaster recovery processes

Qualifications 

  • This position requires eligibility for a U.S. Government security clearance. In accordance with federal law, U.S. citizenship is required.
  • Bachelors degree with four (4) years or more of related experience, or Masters degree with two (2) or more years of related experience
  • Proven experience managing Linux environments across multiple cloud platforms (AWS, Azure, OCI, GCP)
  • Strong knowledge of Linux operating systems, including CentOS, Ubuntu, and Red Hat
  • Experience with cloud services including AWS EC2, S3, VPC; Azure VMs, Blob Storage, Virtual Network; OCI Compute, Block Volumes, Networking; and GCP Compute Engine, Cloud Storage, VPC
  • Proficiency with Bash and Python (or equivalent scripting experience)
  • Familiarity with configuration management tools, including Ansible Core/Tower/AAP/Galaxy, Puppet, or Chef
  • Experience with monitoring tools such as Prometheus, Grafana, CloudWatch, and/or Azure Monitor
  • Knowledge of security best practices and compliance requirements (e.g., HIPAA, SOC 2, ISO 27001)
  • Experience performing vulnerability remediation and server hardening, including DISA STIGs

Publishing Pay Range: $43.00 – 45.00 hourly

This is a fully remote role and can be performed from an approved location.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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