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Linux Engineer

Jobs via Dice
Fairfax, VA Full Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 5/16/2026
Job Description

ECS is looking for a Linux Engineer to join our team remotely.

Job Summary

The Linux Engineer will architect, deploy, and maintain secure Linux-based systems (primarily RHEL and Oracle Linux) across classified and unclassified networks. You will ensure all systems meet DoD Security Technical Implementation Guides (STIGs) and maintain an Authorization to Operate (ATO) through continuous monitoring and vulnerability remediation.

Core Responsibilities

  • Security & Compliance:
  • Implement and maintain system hardening in accordance with DISA STIGs and Risk Management Framework (RMF) controls.
  • Perform regular vulnerability scanning and remediation using tools like ACAS (Nessus) and SCAP.
  • Ensure systems are operational and comply with application team needs.
  • Develop and maintain infrastructure through automated means to standardize configurations across the enterprise wherever possible.
  • Automate routine administrative tasks through scripting and or chosen tool sets.
  • Manage large-scale deployments and patch lifecycles utilizing automated enterprise tools or developed methods.
  • Deploy and manage virtualized environments using VMware ESXi, KVM, or cloud platforms like AWS GovCloud.
  • Integrate Linux systems with enterprise identity services such as Active Directory, LDAP, or other architected methods.
  • Monitor system health and performance using enterprise tools within the environment.
  • Technical Environment
    • Operating Systems: Red Hat Enterprise Linux (RHEL), CentOS, Rocky Linux, Oracle Linux.
    • Tools: Red Hat Satellite, Ansible, ACAS, HBSS/Trellix EPP, VMware vSphere.
    • Protocols: SSH, NFS, DNS, LDAP, PKI certificate management.
    • Must hold a current IAT Level II certification (e.g., CompTIA Security CE) at a minimum. (May obtain within 90 days of hire)
    • Strongly preferred: OS-specific certifications like RHCSA (Red Hat Certified System Administrator) or RHCE.
  • Automation & Engineering
  • Systems Administration
Salary Range: $100,000 - $140,000

Required Skills

General Description of Benefits

  • Clearance: Active DoD Secret or Top Secret/SCI.
  • Certifications (DoD 8140/8570):
  • Education: Bachelor's degree in Computer Science, IT, or a related field (relevant experience may sometimes substitute).
  • Experience: 3 years of Linux administration experience, ideally within a secure or classified environment.

Desired Skills

  • Clearance: Active DoD Top Secret/SCI
  • Bachelors Degree

#ECS1

ECS is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law.

ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3 2 00 employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.

Salary : $100,000 - $140,000

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