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Linux Security Jobs in Virginia (NOW HIRING)

ManTech International

Linux Engineer

Quantico, VA · On-site

General information Requisition # R68166 Locations USA-VA-Quantico Posting Date 05/30/2026 Security ... The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and ...

New

ManTech

Linux Engineer

Quantico, VA

Linux Engineer Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our ... Security Clearance Required : * Must have a current/active Top Secret / SCI. Physical Requirements:

New

Intellectix

Linux Engineer

Springfield, VA

As a Linux Engineer, you'll be the cornerstone of this mission, ensuring the security of crucial data, optimizing IT infrastructure, and simplifying business processes through cutting-edge software ...

ManTech

Linux Engineer

Quantico, VA

The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and ... Security Clearance Required : * Must have a current/active Top Secret / SCI. Physical Requirements:

New

Intellectix

Linux Engineer

Springfield, VA

As a Linux Engineer, you'll be the cornerstone of this mission, ensuring the security of crucial data, optimizing IT infrastructure, and simplifying business processes through cutting-edge software ...

Quantum Leap Research, LLC

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Linux System Security Engineer

Leesburg, VA · On-site

We are seeking a highly skilled mid or senior level Linux System Security Engineer to join our team. The ideal candidate will have a strong background in Linux and networking, as well as experience ...

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How much do linux security jobs pay per hour?

As of Jun 1, 2026, the average hourly pay for linux security in Virginia is $47.66, according to ZipRecruiter salary data. Most workers in this role earn between $47.64 and $47.64 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in a Linux Security role, and why are they important?

To thrive in a Linux Security role, you need a solid understanding of Linux operating systems, cybersecurity principles, and network security, often supported by a degree in computer science or a related field. Familiarity with tools such as SELinux, iptables, intrusion detection systems (e.g., Snort), and certifications like CompTIA Security+ or Red Hat Certified Engineer (RHCE) is highly valuable. Strong analytical thinking, attention to detail, and effective communication are essential soft skills for identifying threats and working collaboratively. These skills and qualifications are crucial for proactively protecting systems, mitigating risks, and maintaining a secure IT environment.

What are some common challenges faced by professionals in Linux Security roles, and how can they be addressed?

Professionals in Linux Security often face challenges such as keeping systems up-to-date against emerging vulnerabilities, managing user permissions securely, and ensuring compliance with security policies across diverse environments. Regular patch management, proactive monitoring, and automation tools are essential for addressing these issues effectively. Additionally, strong collaboration with system administrators and DevOps teams helps streamline incident response and maintain a secure infrastructure.

What is Linux Security?

Linux Security refers to the set of practices, tools, and configurations used to protect Linux operating systems from unauthorized access, vulnerabilities, malware, and other cyber threats. It involves managing user permissions, configuring firewalls, applying security patches, and monitoring system activity. Linux security professionals also implement measures such as SELinux, AppArmor, and intrusion detection systems to safeguard data and maintain system integrity.

What is the difference between Linux Security vs Linux System Administrator?

AspectLinux SecurityLinux System Administrator
CertificationsCompTIA Security+, Linux Security CertificationsCompTIA Linux+, LPIC-1, Linux+
Work EnvironmentFocus on security protocols, vulnerability management, and threat mitigationManage overall system setup, maintenance, user management, and performance
Employer & Industry UsageCybersecurity firms, IT security teams, organizations with high security needsIT departments, hosting providers, enterprise environments

Linux Security specialists focus on protecting Linux systems from threats, implementing security measures, and managing vulnerabilities. Linux System Administrators handle the broader management of Linux systems, including installation, configuration, and maintenance. While both roles require Linux knowledge, Linux Security emphasizes security-specific skills, whereas Linux System Administration covers overall system management.

What are the most commonly searched types of Linux Security jobs in Virginia? The most popular types of Linux Security jobs in Virginia are:
What are popular job titles related to Linux Security jobs in Virginia? For Linux Security jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Linux Security jobs in Virginia look for? The top searched job categories for Linux Security jobs in Virginia are:
Linux Security jobs near you
Infographic showing various Linux Security job openings in Virginia as of May 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 85% In-person, and 15% Remote job distribution, with an average salary of $99,142 per year, or $47.7 per hour.
Linux Engineer

Linux Engineer

ManTech International

Quantico, VA • On-site

Full-time

Posted yesterday

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

30th of 184 rated software companies

Job description

General information
Requisition #
R68166
Locations
USA-VA-Quantico
Posting Date
05/30/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Linux Engineer to support our current NCIS contract out of Quantico, VA.
Responsibilities include but are not limited to:
  • The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber investigations and operations.
  • Candidates will be responsible for optimizing, maintaining, and securing Linux systems to ensure optimum performance with minimal downtime.
  • Candidates may also be asked for creative contributions to improve existing processes and for surge support for various initiatives in areas related to their area of expertise
  • Travel may be required to support operations.

Minimum Qualifications:
  • Bachelor's degree and minimum of 4 years of experience working with Red Hat Enterprise Linux 7.X, 8.X, 9.X with a strong command-line interface (CLI) skillset (additional 2 years of experience may be substituted in lieu of degree).
  • Experience securing Linux systems with DISA STIG requirements.
  • Experience with Red Hat based tools such as Ansible and Red Hat Satellite.
  • Familiarity with at least one common scripting language such as Python, Perl, bash, etc
  • Experience with virtualization tools (Vmware, KVM, Proxmox)

Preferred Requirements:
  • Experience with monitoring solutions such as Icinga2 or Nagios Experience and / or willingness to learn DevOps and Automation.
  • Familiarity with the DIACAP and/or RMF accreditation processes, specifically with configuring Linux systems in compliance with the Security Technical Implementation Guides (STIGs).
  • Experience with maintaining a secure, standard OS build process.
  • Experience installing and managing PostgreSQL.

Security Clearance Required:
  • Must have a current/active Top Secret / SCI.

Physical Requirements:
  • Sedentary Work

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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