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Linux Security Jobs in Virginia (NOW HIRING)

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 ...

ManTech

Linux Engineer

Quantico, VA · On-site

$107K - $179K/yr

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 Server Administrator

Quantico, VA · On-site

Drive mission success by implementing DoD Security Technical Implementation Guides (STIGs ... Must hold an active Linux OS certification (e.g., Red Hat Certified System Administrator (RHCSA ...

New

MANTECH

Linux Server Administrator

Quantico, VA · On-site

Drive mission success by implementing DoD Security Technical Implementation Guides (STIGs ... Must hold an active Linux OS certification (e.g., Red Hat Certified System Administrator (RHCSA ...

New

MANTECH

Linux Server Administrator

Quantico, VA · On-site

Drive mission success by implementing DoD Security Technical Implementation Guides (STIGs ... Must hold an active Linux OS certification (e.g., Red Hat Certified System Administrator (RHCSA ...

New

MANTECH

Linux Server Administrator

Quantico, VA · On-site

Drive mission success by implementing DoD Security Technical Implementation Guides (STIGs ... Must hold an active Linux OS certification (e.g., Red Hat Certified System Administrator (RHCSA ...

New

Sebenza LLC

Linux Engineer

Fairfax, VA · On-site

They currently have an opening for a Linux Engineer to support their client in the DMV area, focusing on building and automating large-scale infrastructure while ensuring security and compliance.

Barbaricum

Manage Linux-based systems, ensuring stability, security, and compliance. * Perform software updates, system hardening, and patch management. * Troubleshoot hardware and software issues in secure ...

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How much do linux security jobs pay per hour?

As of Jul 15, 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 Linux still in demand?

Linux security professionals are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and cybersecurity. Skills in Linux system administration, scripting, and security tools like SELinux or firewalls enhance job prospects, and certifications such as CompTIA Linux+ or CISSP can improve employability.

Can you make $200,000 in cyber security?

In Linux security roles, earning $200,000 or more is possible for experienced professionals with advanced skills, certifications, and leadership responsibilities. Salaries vary based on location, industry, and level of expertise, with senior positions and specialized skills often commanding higher pay. Continuous learning and certifications like CISSP or OSCP can enhance earning potential.

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 large organizations or consulting firms. High salaries are often associated with leadership roles, specialized skills, or working in high-demand sectors like finance or government. Most professionals in entry- to mid-level positions earn significantly less than this amount.

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.

Is 40 too old for cyber security?

Age is not a barrier to pursuing a career in Linux security or cybersecurity in general. Many professionals successfully transition into cybersecurity roles at various ages, often bringing valuable experience and skills. Continuous learning, certifications like CompTIA Security+ or CISSP, and staying current with industry tools are important regardless of age.
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 July 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $99,142 per year, or $47.7 per hour.

Linux System Security Engineer

Quantum Leap Research, LLC

Leesburg, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 days ago

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Job description

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 in securing the systems and devices.

Responsibilities:

  • Design, implement and maintain security practices across our infrastructure, focusing heavily on on-premises systems.
  • Regularly audit systems for security vulnerabilities, apply security patches, and provide recommendations to mitigate risks.
  • Automate security tasks using configuration management tools like Ansible.
  • Perform system hardening, including kernel tuning, service management, and the secure configuration of our infrastructure.
  • Stay up-to-date on the latest security threats and trends.
  • Work closely with other engineers and security professionals to ensure a shared understanding of security risks and mitigation strategies.

Qualifications:

  • B.S. in field of technology (Computer Science, Computer Engineering, etc.) with 10+ years experience in relevant field (Security Engineer, Linux Systems Administrator or similar role).
  • Strong understanding of security principles and best practices.
  • Proven experience with Linux and open-source tools such as Git, Elasticsearch or OpenSearch, and Wazuh.
  • Proficient in scripting languages (Shell, Python) to develop security tools, automate monitoring tasks, and enhance system defenses.
  • Strong understanding of networking protocols (TCP/IP, DNS, DHCP, VPN, etc.) and security implications, including network segmentation, firewalls, and VPNs.
  • Experience with Ansible, writing and maintaining playbooks and roles.
  • Excellent communication and collaboration skills.
  • Ability to work independently and as part of a team.
  • A passion for learning and staying up-to-date on the latest security trends.
  • Able and willing to work full time in the Leesburg office.
  • Must be able to obtain and maintain a U.S. Government-issued security clearance; therefore, U.S. citizenship is required

Preferred:

  • Familiarity with DNS infrastructure and tools (BIND, Unbound, and/or PowerDNS)
  • Experience with Fluent Bit or Fluentd for log collection, processing, and forwarding in distributed environments.
  • Experience with Virtualization technologies (VMWare, Virtual Box, Proxmox)
  • Experience with BSD

Compensation and Benefits:

We seek the best-and-brightest professionals at all levels so offer highly competitive compensation and an excellent benefits package. Company-sponsored benefits include: 6% 401(k) company match with immediate vesting, educational assistance up to $7,000 per year, 100% insurance premium subsidy for employees (75% for dependents), Anthem medical, Guardian dental, life and disability coverage, 3 weeks’ vacation, 2 weeks sick leave, and 11 holidays.

Quantum Leap is an Equal Opportunity Employer

www.ql-research.com

Company Description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an age of Strategic (Great Power) Competition.
We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.