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Linux Hardening Jobs (NOW HIRING)

TechClub Inc.

Linux Administrator

Wall, NJ · On-site

Preferred Skills • Previous exposure to Qualys VMDR or Qualys Patch Management. • Experience testing patching tools in Linux server groups. • Knowledge of Linux hardening, backup, rollback, and ...

Point72

Linux Security Lead

New York, NY · On-site

$200K - $300K/yr

Deep knowledge of Linux hardening, privilege management, authentication, access controls, logging, and secure configuration practices * Experience performing vulnerability validation, penetration ...

Point72

Linux Security Lead

New York, NY · On-site

$200K - $300K/yr

Deep knowledge of Linux hardening, privilege management, authentication, access controls, logging, and secure configuration practices * Experience performing vulnerability validation, penetration ...

Northern Base

Linux Engineer

Clinton, NJ · On-site

Vulnerability Remediation & Security Hardening * Performance Tuning & Optimization * CPU, Memory, Storage & Network Monitoring * High Availability & Enterprise Linux Infrastructure * Automation ...

CACI

Linux System Administrator

Washington, DC · Hybrid

This position requires configuring firewalls, access controls, and hardening system services, as well as performing regular patching, software upgrades, and hotfixes on Linux servers. The Linux ...

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Linux Hardening information

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$48

How much do linux hardening jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for linux hardening in the United States is $47.12, according to ZipRecruiter salary data. Most workers in this role earn between $46.63 and $47.60 per hour, depending on experience, location, and employer.

What is Linux hardening?

Linux hardening refers to the process of securing a Linux operating system by reducing its vulnerabilities and strengthening its defenses against potential threats. This involves actions such as disabling unnecessary services, applying security patches, configuring firewalls, managing user permissions, and implementing security policies. The goal is to minimize the attack surface and ensure that only required functions are enabled, making the system more resilient to attacks. Regular monitoring and updating are also essential components of Linux hardening.

What are the key skills and qualifications needed to thrive as a Linux hardening specialist?

To thrive as a Linux Hardening Specialist, you need in-depth knowledge of Linux operating systems, cybersecurity best practices, and experience with scripting languages like Bash or Python, often supported by certifications such as CompTIA Security+ or Red Hat Certified Engineer (RHCE). Familiarity with security tools such as SELinux, auditd, firewalls (iptables/nftables), and vulnerability scanners is typically required. Strong attention to detail, analytical thinking, and effective communication skills help you identify risks and implement robust security measures. These skills are vital to proactively protect systems against threats and ensure organizational compliance with security standards.

What are some typical challenges faced when implementing Linux hardening in an enterprise environment?

One common challenge in Linux hardening is balancing robust security measures with the operational needs of users and applications. Implementing strict controls, such as disabling unused services or restricting permissions, can sometimes impact legacy software or critical business processes. Additionally, coordinating hardening efforts across diverse server environments and ensuring consistent policy enforcement requires close collaboration with IT, application, and security teams. Regularly updating documentation and maintaining automation scripts can help streamline ongoing compliance and minimize configuration drift.

What is the difference between Linux Hardening vs Linux Security Engineer?

AspectLinux HardeningLinux Security Engineer
Required CredentialsLinux certifications (e.g., LPIC, CompTIA Linux+)Linux certifications + security-specific (e.g., CISSP, GIAC)
Work EnvironmentSystem administration, configuring security settingsDesigning security solutions, incident response
Employer & Industry UsageIT departments, data centers, cloud providersCybersecurity firms, enterprise IT, government agencies

Linux Hardening focuses on securing Linux systems by applying best practices and configurations to reduce vulnerabilities. Linux Security Engineers develop and implement security strategies, monitor threats, and respond to incidents. While Linux Hardening is a technical task within security, Linux Security Engineers have a broader role encompassing design, analysis, and management of security measures.

What other helpful pages are available for Linux Hardening?

Other pages related to Linux Hardening:

Infographic showing various Linux Hardening job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 91% Full Time, 2% Part Time, and 6% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution, with an average salary of $98,000 per year, or $47.1 per hour.

RHEL/Linux Admin with Security Clearance

Annapolis, MD • On-site

Zachary Piper Solutions, LLC
IT Services • 51 - 200 employees
Learn more about Zachary Piper Solutions, LLCexternal

Other

Posted 10 days ago

Job description

Zachary Piper Solutions is seeking a RHEL/Linux System Administrator (Secret clearance REQUIRED) to support a company supporting federal defense programs. This position is fully onsite in Annapolis Junction, MD. This is an incredible opportunity supporting mission-critical systems that require high availability and security compliance. The Linux System Administrator will support and maintain RHEL and Linux environments in a secure enterprise setting. We welcome anyone with RHEL/Linux adjacent experience to apply! Responsibilities for the RHEL/Linux System Administrator include: *MUST possess a Secret Clearance* • Administer and maintain RHEL 7/8/9 servers, including patching and upgrades. • Monitor system performance and troubleshoot Linux infrastructure issues. • Perform backup, recovery, and disaster recovery activities. • Conduct vulnerability remediation and apply DISA STIG requirements. • Automate system administration tasks using Ansible, Bash, and Python. • Collaborate with network, security, and application teams to resolve issues. Qualifications for the RHEL/Linux System Administrator include: • Active Secret Security Clearance required. • 7+ years of Linux Systems Administration experience. • Strong experience supporting Red Hat Enterprise Linux (RHEL) environments. • Experience with vulnerability management tools such as Tenable or WebInspect. • Hands-on experience with Ansible, Bash, Python, or other automation tools. • Bachelors' degree required This position was posted on September 4, 2026, and will be open for 30 days. #LI-AK #LI-ONSITE #LI-LT1 #LI-ONSITE Keywords: Linux System Administrator, Linux Systems Administrator, Linux Administrator, Systems Administrator, Red Hat, RHEL admin, red hat admin, Red Hat Enterprise Linux, RHEL, RHEL 7, RHEL 8, RHEL 9, Linux Server Administration, Linux Infrastructure, Linux Systems, System Administration, Server Administration, Ansible, Bash, Bash Scripting, Python, Automation, Configuration Management, Patch Management, Patching, System Upgrades, Vulnerability Management, Vulnerability Remediation, Tenable, Nessus, WebInspect, DISA STIG, STIG, Security Hardening, Linux Hardening, DoD, Department of Defense, Federal, Security Compliance, Backup and Recovery, Disaster Recovery, System Monitoring, Performance Monitoring, Troubleshooting, High Availability, Secret Clearance, Active Secret Clearance, Cleared Linux Administrator, Cleared Systems Administrator, Annapolis Junction, Maryland, MD, Fort Meade, TS/SCI

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