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Linux Security Administrator Jobs (NOW HIRING)

NewGen Technologies

We are seeking a skilled and detail-oriented Linux System Administrator to join our Partner ... Implement and maintain system security configurations, including NSF frameworks/policies * Monitor ...

Quevera LLC

Linux System Administrator

Columbia, MD

Quevera is seeking an Linux System Administrator t o join our team. At Quevera, we don't just offer ... Implement and maintain system security configurations, including NSF frameworks/policies * Monitor ...

Quevera LLC

Linux System Administrator

Columbia, MD · On-site

Quevera is seeking an Linux System Administrator t o join our team. At Quevera, we don't just offer ... Implement and maintain system security configurations, including NSF frameworks/policies * Monitor ...

IPsoft

Information Security Engineer

New York, NY

The Information Security Administrator is responsible for documentation including reports ... ArcSight, Linux security, Juniper SSL VPN, Anti-virus, Intrusion Detection/Prevention - Snort, ISS ...

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How much do linux security administrator jobs pay per hour?

As of May 28, 2026, the average hourly pay for linux security administrator in the United States is $48.08, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $48.08 per hour, depending on experience, location, and employer.

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

To thrive as a Linux Security Administrator, you need a strong background in Linux system administration, network security, and an understanding of cybersecurity principles, often supported by a degree in computer science or related certifications like CompTIA Security+ or Red Hat Certified Engineer (RHCE). Familiarity with security tools such as SELinux, firewalls (iptables, nftables), intrusion detection systems (Snort, OSSEC), and scripting languages like Bash or Python is typically required. Analytical thinking, attention to detail, and effective communication are critical soft skills for proactively identifying vulnerabilities and collaborating with IT teams. These skills are essential for protecting systems against threats, ensuring compliance, and maintaining the integrity and availability of organizational data.

What are some common challenges faced by Linux Security Administrators in maintaining system security across diverse environments?

Linux Security Administrators often encounter challenges such as managing security updates across multiple distributions, ensuring consistent configuration in hybrid cloud and on-premises environments, and responding to emerging threats. They must balance proactive hardening measures with business needs to avoid disrupting operations. Collaboration with development, network, and compliance teams is key to implementing effective security controls and incident response procedures. Staying current with vulnerabilities and regulatory requirements is also essential for success in this role.

What does a Linux Security Administrator do?

A Linux Security Administrator is responsible for securing Linux-based systems and networks within an organization. This includes managing firewalls, monitoring for vulnerabilities, applying security patches, and responding to security incidents. They also develop and enforce security policies, perform regular audits, and ensure compliance with relevant regulations. Their work is crucial in protecting sensitive data and maintaining the integrity and availability of IT infrastructure.

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

AspectLinux Security AdministratorLinux System Administrator
Primary FocusSecurity management, vulnerability mitigation, access controlsSystem setup, maintenance, performance, and troubleshooting
CertificationsCompTIA Security+, CISSP, Linux Security certificationsCompTIA Linux+, LPIC-1, RHCSA
Work EnvironmentSecurity teams, cybersecurity departments, IT security firmsIT departments, data centers, enterprise networks
ResponsibilitiesImplementing security policies, monitoring threats, managing firewallsInstalling OS, configuring servers, managing user accounts

The Linux Security Administrator primarily focuses on protecting Linux systems from security threats, while the Linux System Administrator manages overall system operations and performance. Both roles require Linux certifications and often work within the same environments, but their core responsibilities differ significantly in scope and focus.

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Linux Security Administrator jobs near you
Infographic showing various Linux Security Administrator job openings in the United States as of May 2026, with employment types broken down into 31% Full Time, 67% Part Time, 1% Temporary, and 1% Contract. Highlights an 98% Physical, and 2% Hybrid job distribution, with an average salary of $100,000 per year, or $48.1 per hour.

Linux System Administrator with Security Clearance

AZUSA SOLUTIONS LLC

Annapolis Junction, MD

Other

Posted 27 days ago

Job description

**Only applicants with an Active TS/SCI and poly need apply.** Azusa Solutions is seeking a Linux System Administrator to join our team of talented consultants. This is an exciting opportunity to join a growing company comprised of highly qualified, highly impactful, and multi-talented individuals.   *Candidate must hold an active Top Secret Clearance with Poly *
*Candidate must be local to the DC, Maryland, or Northern Virginia area. * Description:
The ideal candidate will have strong experience managing enterprise Linux environments and supporting storage, backup, security, and patching systems. This role requires hands-on expertise with IBM Enterprise Storage, Veritas NetBackup, and vulnerability management tools, along with a solid understanding of system hardening and package management. Responsibilities: • Administer, maintain, and optimize Linux-based systems in a production environment • Manage and support IBM Enterprise Storage solutions, ensuring high availability and performance • Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations • Perform system patching and package management using YUM repositories • Execute and remediate vulnerability scans using Nessus, ensuring compliance with security standards • Support and maintain STE/STIN processes and environments (as applicable to organizational standards) • Implement and maintain system security configurations, including NSF frameworks/policies • Monitor system performance, troubleshoot issues, and implement proactive improvements • Collaborate with cross-functional teams for infrastructure upgrades, audits, and incident response • Maintain documentation for system configurations, procedures, and compliance requirements Required Qualifications: • Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience) • 3+ years of hands-on Linux system administration experience (RHEL, CentOS, or similar) • Experience with IBM Enterprise Storage systems • Strong knowledge of Veritas NetBackup (NetBackup Administration) • Experience with Nessus vulnerability scanning and remediation workflows • Proficiency with YUM package management and patching strategies • Familiarity with STE/STIN processes and NSF-related security frameworks • Solid understanding of Linux security, system hardening, and compliance practices • Strong troubleshooting and scripting skills (Bash, Python, or similar) Preferred Qualifications: • Red Hat Certified System Administrator (RHCSA) or equivalent certification • Experience in enterprise environments with high availability and disaster recovery requirements • Familiarity with automation tools (Ansible, Puppet, or similar) • Exposure to cloud or hybrid infrastructure environments Key Skills: • Linux Administration • Storage & Backup Management • Security & Compliance • System Monitoring & Performance Tuning • Troubleshooting & Root Cause Analysis • Automation & Scripting Clearance:
Active/current TS/SCI with Poly required About Azusa
Azusa Solutions (Azusa) helps clients solve their toughest challenges in the area Enterprise Application Development and Maintenance. Azusa is an equal opportunity employer. Find out more about Azusa at www.AzusaSolutions.com. Ask about our Monetary Referral Incentive!

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