All roles

Linux Engineer

Remote · USA Full-time New today

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 General Description of Benefits Apply To This Job Apply tot his job Apply To this Job

Related roles

Network & Infrastructure Security Analyst

Remote · USA Full-time

Sr. Threat Intelligence Analyst; Remote, East

Remote · USA Full-time

IT Infrastructure & Security Analyst - REMOTE

Remote · USA Full-time

Cyber Security Analyst (Hybrid onsite/remote)

Remote · USA Full-time

Information Security Analyst - SME

Remote · USA Full-time

Security Analyst I

Remote · USA Full-time

SBA - Cyber Threat Intelligence Analyst

Remote · USA Full-time

Digital QA Engineer

Remote · USA Full-time

Supply Chain Threat Intelligence Analyst

Remote · USA Full-time

Summer Intern – Threat Intelligence, US

Remote · USA Full-time

Senior Software Engineer, Core Experiences - Colombo, Sri Lanka

Remote · USA Full-time

Psychiatric Nurse Practitioner - Part Time

Remote · USA Full-time

Experienced Customer Success Specialist – Tech Support – Hybrid Work Opportunity at arenaflex

Remote · USA Full-time

Experienced Medical Assistant – Remote Customer Service Representative for arenaflex

Remote · USA Full-time

Experienced Data Entry Specialist - Remote Opportunity at arenaflex

Remote · USA Full-time

Experienced Data Entry Associate – Remote Opportunity for a Dynamic Team at arenaflex

Remote · USA Full-time

IT Finance Business Analyst

Remote · USA Full-time

Experienced Customer Support Representative – Remote Work Opportunity at arenaflex

Remote · USA Full-time

Retention Advocate III

Remote · USA Full-time

Experienced Remote Data Entry Specialist – Flexible, Part-Time or Full-Time Opportunity

Remote · USA Full-time