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RHEL 8 Linux Systems Administrator

SAIC

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Full-time

USD 120,001.00 - 160,000.00 per year

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OpenShift Engineer

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Senior OpenShift/Kubernetes Administrator

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Easy Apply

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Principal OpenShift Kubernetes Engineer- Remote

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Hybrid in Los Angeles, California • Today

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Principal Systems Engineer - Containers (Remote)

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Full-time

USD 170,000.00 - 199,000.00 per year

Principal Systems Engineer - Containers (Remote)

First-Citizens Bank & Trust Company

Remote or Raleigh, North Carolina • Today

Full-time

USD 170,000.00 - 199,000.00 per year

SR. DATA ENGINEER TIBCO & RHEL MIGRATION LEAD

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Systems Engineer III - Containers (Remote)

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Kforce Technology Staffing

Commerce, California • Today

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IT System Management Analyst (Linux system administration)

Luxoft

Remote • 2d ago

Full-time

Principal Linux Platform Engineer - Remote

UnitedHealth Group

Remote or Eden Prairie, Minnesota • Today

Full-time

USD 112,700.00 - 193,200.00 per year

SAIC

Job Details

Skills

Linux Administration
Management
Incident Management
Authentication
Auditing
Access Control
Network
Shell Scripting
System Integration
Collaboration
Cyber Security
SAP GRC
Problem Solving
Conflict Resolution
Security Clearance
DoD
Security+
CISSP
Documentation
Linux
Red Hat Enterprise Linux
Adobe AIR
Information Systems
Hardening
Configuration Management
Bash
Python
Scripting
Security-Enhanced Linux
LVM
Computer Networking
Regulatory Compliance
STIG
Red Hat Linux
RHCSA
Red Hat Certified Engineer
Ansible
Orchestration
Aerospace
Virtualization
Kernel-based Virtual Machine
VMware
Docker
Kubernetes
Information Technology
Systems Engineering
FOCUS

Linux Administration
Management
Incident Management
Authentication
Auditing
Access Control
Network
Shell Scripting
System Integration
Collaboration
Cyber Security
SAP GRC
Problem Solving
Conflict Resolution
Security Clearance
DoD
Security+
CISSP
Documentation
Linux
Red Hat Enterprise Linux
Adobe AIR
Information Systems
Hardening
Configuration Management
Bash
Python
Scripting
Security-Enhanced Linux
LVM
Computer Networking
Regulatory Compliance
STIG
Red Hat Linux
RHCSA
Red Hat Certified Engineer
Ansible
Orchestration
Aerospace
Virtualization
Kernel-based Virtual Machine
VMware
Docker
Kubernetes
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2614545

Location: El Segundo, CA, US

Date Posted: 2026-07-14

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: TS.SCI

Clearance Level Must Be Able to Obtain: TS/SCI with Poly

Potential for Remote Work: ORA_ON_SITE

Description

We are seeking an experienced RHEL 8+ Linux Systems Administrator specializing in Red Hat Enterprise Linux (RHEL) 8 or later to support and maintain secure, mission-essential, air gapped information systems. You will have a strong background in enterprise Linux administration, cybersecurity best practices, and operations within isolated or high-assurance computing environments working in our El Segundo, CA office.

Key Responsibilities:

Install, configure, harden, and maintain RHEL 8+ systems across air gapped environments.
Perform system patching, repository management, and package deployment without external network connectivity.
Develop and maintain system baselines, documentation, and configuration standards aligned with security and compliance requirements.
Monitor system performance, troubleshoot issues, and support incident response activities.
Implement STIGs, CIS benchmarks, and other hardening guidelines as required.
Support secure configuration of system services, authentication, logging, auditing, and access controls.
Coordinate with cybersecurity, network, and GRC teams to ensure ongoing compliance with internal and external controls.
Automate routine tasks using shell scripting, Ansible, or similar tooling.
Assist with system integration, data transfers, and cross-domain solutions in isolated environments.
Collaboratively work across cybersecurity, GRC, and infrastructure teams.
Solid problem-solving skills and a security-first mindset.

Qualifications

This is you:

Bachelors Degree and five (5) years or more experience or an additional 4 years of experience may be used in lieu of degree.
Must have an active Top Secret clearance with in-scope SSBI/T5 background investigation with the ability to obtain and maintain Sensitive Compartmented Information and Special Access Program accesses.
Must be willing to be nominated for access to Sensitive Compartmented Information and Special Access Programs and consent to a polygraph examination (as required).
Must have applicable DoD 8140 (formerly DoD 8570) certification (e.g. Security+, CISSP, or equivalent).
Must have strong documentation process experience.
3+ years administering Linux systems in an enterprise setting.
Hands-on experience with RHEL 8 or later.
Demonstrated experience supporting air gapped, isolated, or high-security information systems.
Strong understanding of system hardening, patching, and configuration management in offline environments.
Proficiency with Bash or Python scripting.
Knowledge of SELinux, systemd, LVM, and networking fundamentals.
Familiarity with security compliance frameworks, STIGs, CIS benchmarks, or similar.

Preferred Qualifications:

Red Hat certifications (RHCSA, RHCE).
Experience with Ansible or other automation/orchestration tools.
Background supporting systems in defense, aerospace, or other regulated industries.
Experience with virtualization (KVM, VMware) and container technologies (Podman, Docker, Kubernetes) in restricted environments.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2614545
Posted 30+ days ago

Company Info

About SAIC

SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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Job Details

Skills

Linux Administration
Management
Incident Management
Authentication
Auditing
Access Control
Network
Shell Scripting
System Integration
Collaboration
Cyber Security
SAP GRC
Problem Solving
Conflict Resolution
Security Clearance
DoD
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Hardening
Configuration Management
Bash
Python
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LVM
Computer Networking
Regulatory Compliance
STIG
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Ansible
Orchestration
Aerospace
Virtualization
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Linux Administration
Management
Incident Management
Authentication
Auditing
Access Control
Network
Shell Scripting
System Integration
Collaboration
Cyber Security
SAP GRC
Problem Solving
Conflict Resolution
Security Clearance
DoD
Security+
CISSP
Documentation
Linux
Red Hat Enterprise Linux
Adobe AIR
Information Systems
Hardening
Configuration Management
Bash
Python
Scripting
Security-Enhanced Linux
LVM
Computer Networking
Regulatory Compliance
STIG
Red Hat Linux
RHCSA
Red Hat Certified Engineer
Ansible
Orchestration
Aerospace
Virtualization
Kernel-based Virtual Machine
VMware
Docker
Kubernetes
Information Technology
Systems Engineering
FOCUS

Summary

Install, configure, harden, and maintain RHEL 8+ systems across air gapped environments.
Perform system patching, repository management, and package deployment without external network connectivity.
Develop and maintain system baselines, documentation, and configuration standards aligned with security and compliance requirements.
Monitor system performance, troubleshoot issues, and support incident response activities.
Implement STIGs, CIS benchmarks, and other hardening guidelines as required.
Support secure configuration of system services, authentication, logging, auditing, and access controls.
Coordinate with cybersecurity, network, and GRC teams to ensure ongoing compliance with internal and external controls.
Automate routine tasks using shell scripting, Ansible, or similar tooling.
Assist with system integration, data transfers, and cross-domain solutions in isolated environments.
Collaboratively work across cybersecurity, GRC, and infrastructure teams.
Solid problem-solving skills and a security-first mindset.

Qualifications

This is you:

Bachelors Degree and five (5) years or more experience or an additional 4 years of experience may be used in lieu of degree.
Must have an active Top Secret clearance with in-scope SSBI/T5 background investigation with the ability to obtain and maintain Sensitive Compartmented Information and Special Access Program accesses.
Must be willing to be nominated for access to Sensitive Compartmented Information and Special Access Programs and consent to a polygraph examination (as required).
Must have applicable DoD 8140 (formerly DoD 8570) certification (e.g. Security+, CISSP, or equivalent).
Must have strong documentation process experience.
3+ years administering Linux systems in an enterprise setting.
Hands-on experience with RHEL 8 or later.
Demonstrated experience supporting air gapped, isolated, or high-security information systems.
Strong understanding of system hardening, patching, and configuration management in offline environments.
Proficiency with Bash or Python scripting.
Knowledge of SELinux, systemd, LVM, and networking fundamentals.
Familiarity with security compliance frameworks, STIGs, CIS benchmarks, or similar.

Preferred Qualifications:

Red Hat certifications (RHCSA, RHCE).
Experience with Ansible or other automation/orchestration tools.
Background supporting systems in defense, aerospace, or other regulated industries.
Experience with virtualization (KVM, VMware) and container technologies (Podman, Docker, Kubernetes) in restricted environments.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Dice Id: 10111346
Position Id: 2614545
Posted 30+ days ago

Company Info

About SAIC

Go to company profile

Fitment

Dice Job Match Score™

🔢 Crunching numbers...

Create job alert

Never miss an opportunity! Create an alert based on the job you applied for.

Similar Jobs

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