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Linux Network Security Engineer Jobs (NOW HIRING)

Atlas Tech

Linux Network Engineer

North Charleston, SC · On-site

In addition to server configuration, administration, and security, the candidate will support ... network infrastructure to ensure reliability and performance. Linux Systems Engineering (Red Hat ...

RecruitTalent LLC.

Network Security Engineer

Annapolis, MD · On-site

$60 - $70/hr

Palo Alto Networks Certified Network Security Engineer (PCNSE) Certification. * Cisco Certified ... Vulnerability management using Nessus, NMAP, Windows, Unix, and Linux OS * Packet/Protocol Analysis ...

SpaceX

Sr. Network Security Engineer

Bastrop, TX · Remote

$58.25 - $76/hr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

Google Inc.

Network Security Engineer

Austin, TX · On-site

$132K - $194K/yr

Role Description We are seeking a Network Security Engineer to help execute and scale GFiber ... Linux system hardening, to ensure a holistic approach when designing network defenses.

Hirekeyz Inc

Network Security Engineer

Annapolis, MD · On-site

$103K - $141K/yr

Network Security Engineer Location: Annapolis, MD 21401 (Onsite with Hybrid) [ 2 Day Remote; 3 D ... Vulnerability management using Nessus, NMAP, Windows, Unix,and Linux OS * Packet/Protocol Analysis ...

SpaceX

Sr. Network Security Engineer

Hawthorne, CA · On-site

$59.50 - $77.75/hr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

SpaceX

Sr. Network Security Engineer

Redmond, WA · On-site

$65.50 - $85.75/hr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

SpaceX

Sr. Network Security Engineer

Redmond, WA · On-site

$65.50 - $85.75/hr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

SpaceX

Sr. Network Security Engineer

Redmond, WA · Remote

$165K - $235K/yr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

Riverside Health System Non-Providers

$85K - $117K/yr

Newport News, VA (not eligible for remote work) Overview The Network Security Engineer I plays a ... Linux operating systems (Preferred) Skills and Abilities * Knowledge of Internet security best ...

SpaceX

Sr. Network Security Engineer

Hawthorne, CA · On-site

$59.25 - $77.50/hr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

SpaceX

Sr. Network Security Engineer

Hawthorne, CA · Remote

$165K - $235K/yr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

SpaceX

Sr. Network Security Engineer

Bastrop, TX · On-site

$58.25 - $76/hr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

SpaceX

Sr. Network Security Engineer

Bastrop, TX · On-site

$58.25 - $76/hr

Manage Linux-based infrastructure and network security systems with end-to-end ownership of ... Strong systems engineering foundation: deep networking knowledge, experience managing Linux ...

Riverside

$85K - $117K/yr

Newport News, VA (not eligible for remote work) Overview The Network Security Engineer I plays a ... Linux operating systems (Preferred) Skills and Abilities * Knowledge of Internet security best ...

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Linux Network Security Engineer information

See salary details

$21K

$124.9K

$167K

How much do linux network security engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for linux network security engineer in the United States is $124,948.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $143,000.00 per year, depending on experience, location, and employer.

What does a Linux network security engineer do?

A Linux Network Security Engineer is responsible for protecting an organization's computer networks and systems that run on Linux operating systems. Their duties include designing, implementing, and maintaining security measures such as firewalls, intrusion detection systems, and secure network protocols. They also monitor network traffic for suspicious activity, ensure compliance with security policies, and respond to security incidents. Additionally, they may conduct security assessments, manage user permissions, and keep systems updated with the latest patches to minimize vulnerabilities.

What are the key skills and qualifications needed to thrive as a Linux network security engineer, and why are they important?

To thrive as a Linux Network Security Engineer, you need a strong background in Linux system administration, network protocols, and cybersecurity principles, often supported by a degree in computer science or related fields. Familiarity with tools like Wireshark, Snort, firewalls, intrusion detection systems (IDS), and certifications such as CompTIA Security+, CEH, or Red Hat Certified Engineer (RHCE) are typically required. Analytical thinking, problem-solving, and effective communication are essential soft skills that help in identifying threats and collaborating with teams. These skills and qualifications are crucial to ensuring robust network security, minimizing vulnerabilities, and maintaining the integrity of critical systems.

What are some common challenges faced by Linux network security engineers in a corporate environment?

Linux Network Security Engineers often encounter challenges such as managing complex, multi-layered network architectures, ensuring seamless integration of security tools across diverse Linux distributions, and staying ahead of evolving cyber threats. Balancing proactive threat detection with minimizing disruptions to business operations is a constant focus. Additionally, collaborating with cross-functional teams—including IT, DevOps, and compliance—requires strong communication skills to align on security protocols and incident response procedures.

What are popular job titles related to Linux Network Security Engineer jobs?

For Linux Network Security Engineer jobs, the most frequently searched job titles are:

Infographic showing various Linux Network Security Engineer job openings in the United States as of June 2026, with employment types broken down into 96% Full Time, and 4% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $124,948 per year, or $60.1 per hour.

Linux Network Engineer

North Charleston, SC • On-site

Atlas Tech
IT Services • 201 - 500 employees
Learn more about Atlas Techexternal

Full-time

Posted 8 days ago

Job description

Atlas Technologies, a rapidly expanding company supporting the US Military and other Government entities, is seeking a passionate, flexible, highly motivated team player to join our group of Information Technology professionals. We are seeking a motivated, analytical, and detail-oriented Linux Network ENgineer in Charleston SC to assist our Navy customer. This system administrator position performs systems administration of both Linux and Windows systems, general networking, disaster recover, and security for servers, desktops, mobile devices, routers and switches. In addition to server configuration, administration, and security, the candidate will support hundreds of users (including customers) with applications, resources and account issues. Experience with ancillary Navy and DoD functions such as NetWeb, SITC, DADMS, DRMO, etc. is a plus. The ideal candidate for this position will have proven system administration experience in a DoD environment, with customer-focused user support skills. This is an onsite position in Charleston SC.
You Will:
Networking (Cisco-focused)
  • Provide advanced support for Cisco-based networking environments across lab and C2OIX environments.
  • Serve as a strong secondary/backup network engineer for lab operations, troubleshooting, configuration, and maintenance.
  • Support design, implementation, and optimization of network infrastructure to ensure reliability and performance.

Linux Systems Engineering (Red Hat-focused)
  • Design and build complex Red Hat�based systems, not just administer them.
  • Engineer solutions for isolated, fully air-gapped environments with no internet connectivity.
  • Create and maintain internal mirrors for Red Hat repositories and container registries; manage transfer and deployment into air-gapped labs.
  • Configure downstream systems to seamlessly use internal mirrors and repositories.
  • Develop scripts and tools to automate system tasks and maintain existing automation pipelines.

Virtualization
  • Deploy, configure, and maintain virtualization platforms including VMware and oVirt (RHEV free version).
  • Support virtualization lifecycle operations, performance tuning, and troubleshooting across lab environments.

Containerization Platforms
  • Build and maintain containerization infrastructure, including standing up OpenShift clusters from bare metal.
  • Manage long-term operations, upgrades, and reliability of container platforms and supporting services.

DevOps Concepts and Practices
  • Apply DevOps methodologies to enhance automation, scalability, and reliability across systems.
  • Support CI/CD concepts related to containerization, orchestration, and infrastructure management.

Additional Duties
  • Perform system administration on Windows and Linux systems in a Virtual and physical environment with hands on approach in a R&D environment while supporting both development and production resources.
  • Install, maintain, and support all variants of Windows and Linux servers, workstations and the applications loaded on them.
  • Support users of a Linux based Help System.
  • Act as administrator of network assets in NetWeb ensuring an accurate accounting of all assets and their patch status is complete and up to date.
  • Troubleshoot basic end to end networking problems involving switches, routers, workstations, servers, VLANS, and other IT devices and or services.
  • Identify End-of-Life (EOL) issues, ensure all applications hosted on internal servers are approved in DADMS and upgrade as needed.
  • Providing user support includes but not limited to: accounts, CACs, HBSS, printing, access, SITC, drive mapping, etc.
  • Tracking and resolving local user hardware and software issues.
  • Performing regular maintenance duties such as patching, upgrades, and migrations.
  • Review/Make Recommended changes to Preventative Maintenance Plan.

You Have:
  • Ability to obtain and maintain a Department of Defense (DoD) Secret level Security Clearance.
  • Minimum of three years of relevant experience.
  • Bachelor's degree in Computer Science, Engineering or a related field
  • Currently hold at least ONE security related certification (Security+, CISSP, etc.) PLUS one OS related certification (Linux+, CCNA, etc.)
  • Web server and application server configuration and scaling e.g., Apache HTTP server, IIS.
  • Proven Systems Administration and Maintenance duties.
  • Working knowledge of Subversion software versioning and revision control system.
  • Understanding of core Internet protocols (HTTP, DNS, SMTP, etc.)
  • Experience of backup and recovery best practices to ensure systems are protected from data loss.
  • Experience with Storage Volume management (LVM, iSCSI, SMB, NFS).
  • Experience with a major Linux distribution, e.g., Red Hat, CentOS, Debian.
  • Experience with Virtual Environments e.g., VMware, Hyper-V, etc.
  • Experience and DBA skills of at least one RDBMS, e.g., MySQL, Postgres, Oracle.
  • Strong computer hardware and software background.
  • Must be highly motivated and possess a mid-level skill set in Windows Systems Administration.
  • Must possess strong troubleshooting, analytical skills.
  • Excellent written and verbal communication skills.
  • Strong attention to details.
  • Strong work ethic and commitment to quality.
  • Ability to work in a fast paced environment, multi-task and balance multiple goals and priorities.
  • Ability to work with others in a highly collaborative environment, working with users and customers.
  • Willingness to work overtime on an as needed basis.

Want to hear more? Read on to see what our Team Members say about their experience:
�With LEARNING as a core value, Atlas is constantly promoting ways to increase knowledge and stay at the forefront of the latest technology. Team members are regularly encouraged to continue learning and Atlas provides training resources and skills enhancement opportunities internally as well as education reimbursement if you prefer to obtain skills through outside resources or higher education.� - Wendy
�I could not have asked for a better company to transition from Active-Duty military to civilian life. Atlas not only provides opportunities for professional growth, but it's also highly encouraged. The passion and appreciation for what we do that is displayed every day, makes it exciting for me to come to work each day.� - Laurence
Atlas Tech is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, genetic information, or protected veteran status. We are committed to fostering an inclusive workplace where diverse perspectives are valued and respected.
Accessibility & Accommodations
Atlas Tech strives to make our website, www.atlas-tech.com , accessible to all users. If you need assistance completing the application process or require a reasonable accommodation due to a disability, please contact us at hr.recruiter@atlas-tech.com .
This contact information is designated for accommodation requests only and cannot be used to inquire about the status of an application. Atlas Tech is committed to providing reasonable accommodations in accordance with the Americans with Disabilities Act (ADA).
Atlas Tech offers a competitive salary, generous benefits package, and an opportunity to make a positive impact in your own community.

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