Cloud Engineer - Linux Administration

Marathon TS; United States; Remote; USD 140,000 - 165,000; Full time

Job summary

Marathon TS is seeking a Cloud Engineer with strong Linux administration to support enterprise OCI environments in a DoD context. The role focuses on securing, automating, and optimizing Linux-based cloud infrastructure while enabling IaC, cloud-native designs, and resilient operations.

Candidates should have hands-on OCI experience, Red Hat/Oracle Linux expertise, and DoD security compliance knowledge. Remote work is supported; full-time/contract opportunities available with strong benefits.

Qualifications

• Active DoD security posture experience and DoD 8570 awareness.
• Proven Linux administration in RHEL/Oracle Linux environments.
• Hands-on Terraform and Ansible in production cloud environments.
• Experience with OCI and secure, compliant enterprise cloud setups.
• Knowledge of Oracle Database integrations and CI/CD tooling.

Responsibilities

• Design, deploy, and maintain secure Linux-based infrastructure in OCI.
• Administer RHEL and Oracle Linux in production across DoD contexts.
• Support Oracle Database integrations and backend services.
• Automate provisioning with Terraform and Ansible in production.
• Implement CI/CD pipelines using CloudBees Jenkins.
• Develop cloud-native architectures and perform performance tuning.
• Ensure compliance with DoD STIG standards and security controls.
• Monitor availability, scalability, and reliability of systems.
• Assist in disaster recovery planning and business continuity.
• Collaborate with dev, database, and security teams on resilient solutions.

Skills

Linux administration

OCI experience

CI/CD pipelines

DoD environment familiarity

IaC concepts

Tools

Terraform

Ansible

CloudBees Jenkins

Job description

Cloud Engineer (Linux Administrator)

Clearance Required: Active Secret

Remote

140k-160k/year

DoD

Position Overview

Marathon TS is seeking a highly skilled Cloud Engineer with strong Linux administration expertise to support operations and sustainment (O&S) efforts within an enterprise Oracle Cloud Infrastructure (OCI) environment. This role is responsible for engineering, maintaining, securing, and optimizing Linux-based cloud systems while supporting infrastructure modernization, automation initiatives, and cloud-native architecture development. The ideal candidate will have hands-on experience administering enterprise Linux environments in secure, compliance-driven federal environments and supporting Infrastructure as Code (IaC) deployments in production cloud systems. This is a hands-on engineering role supporting mission-critical systems in a classified environment.

Key Responsibilities

• Design, deploy, and maintain secure Linux-based infrastructure within Oracle Cloud Infrastructure (OCI).
• Administer Red Hat Enterprise Linux (RHEL) and/or Oracle Linux systems in production environments.
• Support Oracle Database integrations and backend infrastructure services.
• Automate infrastructure provisioning and configuration using Terraform and Ansible.
• Implement and maintain CI/CD pipelines using CloudBees Jenkins.
• Develop and support cloud-native architecture solutions.
• Perform system performance tuning, patching, and hardening.
• Ensure compliance with DoD security requirements and STIG standards.
• Monitor system availability, scalability, and reliability.
• Support disaster recovery planning and business continuity strategies.
• Collaborate with development, database, and cybersecurity teams to deliver resilient cloud solutions.

Required Qualifications

• Active Secret clearance (fully adjudicated and current).
• Current CompTIA Security+ certification (required for DoD 8570 compliance).
• Strong experience with Linux administration (RHEL and/or Oracle Linux).
• Experience supporting Oracle Cloud Infrastructure (OCI).
• Hands-on experience with Terraform and/or Ansible.
• Experience supporting automation and cloud-native architectures.
• Experience supporting Oracle Database environments.
• Experience supporting production systems in secure federal or DoD environments.

Preferred Qualifications

• One or more DoD 8570 baseline certifications such as CISSP, CASP+ CE, CySA+, SSCP, CCNA, CAP, CSSLP, GSLC, CCISO, or CND.
• Experience supporting enterprise DevSecOps pipelines.
• Experience with cloud cost optimization strategies.Experience with load balancing and high-availability configurations.
• Experience supporting large-scale system migrations to cloud environments.

Equal Opportunity Statement

Marathon TS is committed to fostering a creative, diverse, and inclusive work environment. Employment decisions are based on merit, qualifications, and business needs. Marathon TS does not discriminate on the basis of race, color, religion, sex, national origin, disability, age, or any other protected

Job Types: Full-time, Contract

Pay: $140,000.00 - $165,000.00 per year

Experience:

• (RHEL) or Oracle Linux administration: 6 years (Required)
• Terraform in a production cloud environment: 5 years (Required)

License/Certification:

• CompTIA Security+ (Required)

Security clearance:

• Secret (Required)

Work Location:

• Remote