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Linux Security Jobs in Virginia (NOW HIRING)

E*Pro, Inc.

Linux Admin

Sterling, VA

Work with Linux security tools, including mod_security, iptables, & Nessus scan engine. * Provide on-call support advice and technical support to various users/clients regarding operational ...

Actalent

Cyber Security Engineer

Manassas, VA

The position offers significant exposure to Red Hat-based Linux security, container security, and enterprise security frameworks, with the opportunity to influence security practices across a large ...

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:

MANTECH

Linux Engineer

Quantico, VA · On-site

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:

MANTECH

Linux Engineer

Quantico, VA · On-site

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:

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 ...

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How much do linux security jobs pay per hour?

As of Jun 25, 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.

Is 25 too late for cyber security?

Linux Security professionals can start at any age, as the field values skills, certifications, and experience over age. Many successful cybersecurity experts begin their careers later in life, and continuous learning through courses and hands-on practice is key. Age is less important than technical knowledge and problem-solving ability in this field.

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 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.

Can you make $500,000 a year in cyber security?

In cybersecurity roles such as Linux security specialists, earning $500,000 annually is possible but typically requires extensive experience, advanced certifications, and senior-level positions in high-paying industries or organizations. Most cybersecurity professionals earn lower salaries, but top experts with specialized skills and leadership roles can reach or exceed this level.

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.

Can I make $200 a year in cyber security?

A Linux security professional's salary varies based on experience, location, and certifications, but entry-level roles typically start at higher annual salaries, often exceeding $20,000. Making only $200 a year in cybersecurity is unlikely, as most positions offer significantly higher compensation, especially with skills in Linux, security tools, and certifications like CompTIA Security+ or CISSP.

Does Linux have good security?

Linux security is considered robust due to its open-source nature, which allows for continuous review and updates by a global community. As a Linux security professional, understanding permissions, firewalls, and security tools like SELinux or AppArmor is essential for maintaining system integrity.
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 June 2026, with employment types broken down into 1% As Needed, 23% Full Time, 72% Part Time, 1% Temporary, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $99,142 per year, or $47.7 per hour.
Linux Administrator - Secret Clearance Required

Linux Administrator - Secret Clearance Required

General Dynamics Information Technology

Falls Church, VA • Hybrid

Full-time

Posted just now

General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

69th of 204 rated it services

Job description

REQ#: RQ218884Public Trust: None Requisition Type: Regular Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

Linux Administrator


We are seeking a Linux Administrator to support the Infrastructure Management Monitoring Team in Falls Church, Virginia. This role is critical to maintaining and supporting Linux operating systems. The ideal candidate is a proactive problem solver who thrives in a dynamic, mission-driven environment and can engage confidently with senior military and government leadership.

HOW A LINUX ADMINISTRTAOR WILL MAKE AN IMPACT:

  • Provide system administration support for Linux operating systems including installing software, applying patches, managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools.
  • Analyzes and resolves problems associated with the operating system, servers, hardware, and applications software. Detects, diagnoses, and reports related problems on servers, including system failure analysis and recovery, insuring the consistency and integrity of file systems.
  • In-depth hardware configuration knowledge, shell programming expertise, and a solid understanding of standard concepts, practices, and procedures. Relies on experience and judgment to plan and accomplish goals, performs a variety of tasks, and works under general supervision.
  • Responsible for daily monitoring of interface programs between multiple enterprise systems; review daily logs and ensure successful completion.
  • Perform incremental and full cold backups/patching.
  • Responsible for DoW Linux Security Technical Implementation Guides (STIGs).
  • Provide performance metrics and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers.
  • Provide general maintenance, upgrades, and new installation of servers and coordinate with data center personnel to execute. Document and generate business processes for day-to-day and emergency support procedures.
  • Install, test, and verify Linux Security patches; coordinating, documenting requirements and timelines, and working closely with service owners.
  • Perform systems security administration functions, including creation and maintenance of customer profiles and accounts.
  • Responsible for creating and/or maintaining standard operating procedures for the Linux documentation library.
  • Implement, configure, update, and maintain Ansible servers and scripts.
  • Implement, configure, update, and maintain STIG Manager servers and scripts.
  • Implement, configure, update, and maintain the Linux operating system firewall.
  • Experience in handling NFS, CIFS, and SMB permissions.

WHAT YOULL NEED TO SUCCEED:

Education/Equivalent Training Required:

  • High school diploma or AA. Preferred - Bachelors degree in information technology, computer science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

Required Experience:

  • 8+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers

Required Technical Skills Requirements:

  • Experience administering RHEL 7/8 Linux servers and applying Linux best practices
    Strong Linux administration skills with knowledge of enterprise network architectures
    Hands-on experience with automation/configuration tools (Ansible, Puppet, Chef)
    Skilled in scripting for automation (Bash, Ruby, Python, Perl)
    Solid understanding of Linux internals (system calls, file systems, processes)
    Working knowledge of TCP/IP and related protocols (HTTP, FTP, NFS)
    Experience using PowerShell for task automation
    Excellent problem-solving, analytical, and decision-making skills
    Reliable and responsive, consistently meeting expectations and following direction
    Strong customer service skills; able to engage senior military and government leaders
    Able to present ideas clearly in briefings, meetings, and leadership interactions
    Capable of delivering training sessions as needed
    Experienced in coordinating with stakeholders to meet deadlines and objectives
    Excellent communication and documentation abilities
    Strong organizational, collaborative, and team-oriented mindset
    Able to quickly absorb information and self-learn new requirements
    Maintains current industry knowledge and professional certifications
    Able to work under time constraints and adapt to changing requirements
    Experience leading or managing teams

Certification Requirements:

  • Must Possess the appropriate baseline certification(s) to achieve DoW 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security+ ce) and additional Computing Environment (CE) certification (RHEL7 and/or RHEL 8) When 8140 requirements are implemented on program/contract, employee will need to conform to 8140 certification standards.

Security Clearance Level Requirements:

  • Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.

Location:

  • Falls Church, Virginia

Travel:

  • Up to 10%. Travel may include attending conferences up to two times annually and site visits as needed.

#GDITPriority #GDIT

Work Requirements
Years of Experience

6 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Red Hat Certified System Administrator (RHCSA) in Red Hat OpenStack - Redhat Certified Systems Administration RHEL 9 - Redhat Certified Systems Administration RHEL 9

Security+, CE - CompTIA - Security+ CE - CompTIA - CompTIA - Security+ CE - CompTIA

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $127,500 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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About General Dynamics Information Technology

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GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

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