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Linux Hardening Jobs (NOW HIRING)

SWIFT VA

Configuration Hardening Specialist

Culpeper, VA · On-site

$95K/yr

Configuration Hardening Specialist Key Responsibilities * Analyze configuration hardening deviation ... Experience with technologies such as Windows, Linux, Web Servers, Databases, Kubernetes, AWS ...

ISHIR

Linux Systems Administrator

Killeen, TX · On-site

Perform Linux system upgrades, patching, configuration, and security hardening. * Provide Tier 2/3 support for escalated server and infrastructure issues. * Identify, research, and implement Linux ...

ISHIR

Linux Systems Administrator

Killeen, TX · On-site

Perform Linux system upgrades, patching, configuration, and security hardening. * Provide Tier 2/3 support for escalated server and infrastructure issues. * Identify, research, and implement Linux ...

ISHIR

Linux Systems Administrator

Killeen, TX · On-site

Perform Linux system upgrades, patching, configuration, and security hardening. * Provide Tier 2/3 support for escalated server and infrastructure issues. * Identify, research, and implement Linux ...

ISHIR

Linux Systems Administrator

Killeen, TX · On-site

Perform Linux system upgrades, patching, configuration, and security hardening. * Provide Tier 2/3 support for escalated server and infrastructure issues. * Identify, research, and implement Linux ...

CACI International Inc.

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 ...

SWIFT VA

Configuration Hardening Specialist

Manassas, VA · On-site

$95K/yr

Configuration Hardening Specialist Key Responsibilities * Analyze configuration hardening deviation ... Experience with technologies such as Windows, Linux, Web Servers, Databases, Kubernetes, AWS ...

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Linux Hardening information

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$5

$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.

Senior Development Operations Engineer (Scripting\Automation)

Raleigh, NC • On-site

Sunbird Software Inc.
Software Development • 51 - 200 employees
Learn more about Sunbird Software Inc.external

$126K - $162K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 24 days ago

Job description

Sunbird (www.sunbirddcim.com), an established leader in Data Center Infrastructure Management, is looking for a Senior Development Operations Engineer to join our software development team. Our award-winning web-based solutions help our customers understand and manage energy consumption, environmental conditions, and assets in their facilities. 
In this role, you will be a key contributor for complex development tasks and be able to provide technical leadership on Linux hardening/configuration, package management, continuous integration, deployments, and virtualization. The ideal candidate will be a software developer who is passionate about automating server configurations, deployments, and other IT processes.
Environment: Linux, Scripting (Ruby, Perl, Bash, or Python), PostgreSQL 15+, Jenkins, Nexus, and GitHubKEY SKILLSETS
  • Scripting expertise with Bash and any of Perl, Python, or Ruby (5+ years)
  • This position requires a detailed understanding of Linux operating systems (Rocky Linux \ RedHat), RPM packaging\deployment, Operating System configuration, tuning, and hardening.
  • Experience creating kickstarts or similar system installation technologies.
  • Designing and implementing Jenkins CI\CD pipelines.
  • Ability to troubleshoot operating system issues, configuration problems, authentication errors, and related software defects
  • Must be a graduate of a Computer Science, Computer Engineering, or Electrical Engineering program (or similar field)
RESPONSIBILITIES
  • Maintain Perl, Ruby and Shell scripts that allow customers to easily deploy and configure our solution, run backups\restores, provide high availability, and perform other administrative tasks
  • Plan and execute a migration of administrative scripts from Perl to either Python or Ruby
  • Maintain robust solution security by managing OS and software updates, implementing system hardening, and ensuring compliance with industry frameworks
  • Manage \ build the kickstarts that install our solution currently based on Rocky Linux
  • Administer and support CI/CD pipelines and build automation processes using Jenkins.
  • Automate operations such as PostgreSQL database backup\restores, deployments, and upgrades
  • Help our support team delight our customer issues by quickly resolving issues as they arise
  • Maintain and support on-premises infrastructure, including server room equipment, physical and virtual servers, storage, and networking systems.
  • Help transition solution to containers
  • Mentor others
  • Must use only company-approved AI tools and follow documented company AI usage policy
DESIRED KNOWLEDGE/SKILLSA candidate with any of the following will have an advantage:
  • Ability to lead a small team
  • Knowledge / experience with containerization (Docker / Kubernetes)
  • Experience with networking (IP, DNS, Routing, Firewalls, etc...)
  • Knowledge / experience with virtualization technology (VMWare, KVM, Nutanix, Hyper-V)
  • Knowledge of LDAP and Active Directory
  • Experience leveraging AI tools in order to expedite performing job function
  • Cryptography technologies and certificates
  • Database management skills (PostgreSQL preferred)

ABOUT SUNBIRD
 
  • We are all about delighting our clients and live/breathe the end client/user experience.
  • We have amazing PTO Policy that allows you to take care of yourself and your family.
  • We offer medical, dental, vision and life insurance to employees.
  • We believe in collaboration, teamwork, creativity and taking initiative.

Interested? Read on for additional details about this opportunity to join our amazing team!
- What is DCIM Software: www.sunbirddcim.com/what-dcim
- What are customers saying about Sunbird: www.sunbirddcim.com/reviews
- Why work at Sunbird: www.sunbirddcim.com/careers
Sunbird is an EEO/AA/ADA/Veterans employer.
 

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