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Linux Hardening Jobs (NOW HIRING)

Barbaricum

Barbaricum is seeking a Linux Systems Administrator to manage and maintain mission-critical systems ... Perform software updates, system hardening, and patch management. * Troubleshoot hardware and ...

CACI

Linux Systems Engineer

Sterling, VA · On-site

$103K - $218K/yr

... hardening to maintain security posture Implement backup, recovery, and disasterrecovery procedures for Linux environments Collaborate with network engineers and other infrastructure teams to ensure ...

CACI International, Inc.

Linux Systems Engineer

Sterling, VA · On-site

$103K - $218K/yr

... hardening to maintain security posture Implement backup, recovery, and disaster-recovery procedures for Linux environments Collaborate with network engineers and other infrastructure teams to ensure ...

Electrosoft

Linux Engineer

Atlanta, GA · On-site

Ensure compliance with security hardening standards (CIS, NIST SP 80053 Rev. 5, DISA STIGs ... experience with Linux/UNIX systems and interoperability with Windows. * Current Red Hat ...

TIER4 GROUP

Linux System Administrator

Natick, MA · Hybrid

Linux Systems Administrator 6+ Month Contract Hybrid in Natick, MA Key Responsibilities:  Linux ... Implement system hardening configurations, including encrypted VM setups and security tools.

Tech-mex

Linux Engineer

Pleasanton, CA · On-site

Lead Linux Kernels Engineer with C, ARM experience needed for US software companies. We have a key ... Strong knowledge and experience in OS Hardening, Performance Tuning, Kernel Customization * Able to ...

Deegit Inc

Linux Administrator

San Antonio, TX · On-site

Microsoft SQL, MySQL, or Informix) Job Responsibilities: • Modification, administration and hardening of Windows Server 2008 / 2012 and Red Hat Linux environment in a VMware virtualized environment ...

Tech-Mex

Linux Engineer

Pleasanton, CA · On-site

Lead Linux Kernels Engineer with C, ARM experience needed for US software companies. We have a key ... Hardening, Performance Tuning, Kernel Customization Able to write Shell and Perl scripts Good ...

Belk

Linux Systems Engineer (Hybrid)

Charlotte, NC

... system hardening. * Deploy, configure, and maintain enterprise Linux systems for multiple ... environments including on-prem, Azure, and GCP. * Troubleshoot complex technical issues with ...

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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.

Linux/GitLab Administrator

Houston, TX

Rothe Development, Inc.
Manufacturing • 51 - 200 employees
Learn more about Rothe Development, Inc.external

$105K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 14 days ago

Job description

Linux/GitLab Administrator
Position Overview
Rothe is seeking a hands-on Linux Administrator with strong GitLab administration experience to operate, secure, and evolve enterprise platforms supporting NASA JSC’s mission-enabling applications.
Key Responsibilities
  • Administer, secure, and maintain Linux-based systems.
  • Manage GitLab infrastructure including upgrades, CI/CD pipelines, runners, and integrations.
  • Implement system hardening, patch management, access controls, and compliance baselines.
  • Automate system tasks using shell scripting, Ansible, or similar tools.
  • Perform monitoring, troubleshooting, and root-cause analysis for platform reliability.
  • Collaborate with cross-functional teams across NASA JSC operations.
Minimum Qualifications
  • 5+ years Linux systems administration experience.
  • Experience managing GitLab in enterprise environments.
  • Proficiency with automation tools (Ansible/Terraform).
  • Strong knowledge of CI/CD concepts, pipelines, and runners.
  • Experience with security hardening and compliance requirements.
  • Must be able to attain and maintain a NASA Level of Confidence (LoC) of 50, which is based on identity proofing, background checks, and investigation. This is a condition of employment.
Rothe Benefits:
Rothe offers competitive compensation and a benefit package. Full-time employees may participate in:
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • HRA/HSA/FSA Accounts
  • Life and AD amp;D Insurance
  • Short- and Long-Term Disability
  • Critical Illness amp; Accident Insurance
  • Hospital Indemnity
  • 401(k) Plan with company matching
  • Paid Time Off amp; Holidays
  • Executive Order 15056 Sick Leave
  • Additional Administrative leave options (Bereavement, Jury Duty, Military)
Position Details:
  • This is an on-site position at a government facility
  • Requires presence on site in Houston, Texas
Rothe is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.
Rothe participates in E-Verify.

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