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Linux Security Administrator Jobs (NOW HIRING)

DFND Security

Security Admin

Dallas, TX · On-site

Security Administrator · Monitor security tools and platforms for alerts and anomalies. · ... TECHNICAL SKILLS · Windows/Linux security/administration knowledge. · Basic SIEM monitoring and ...

Hearst

Security Administrator

Dallas, TX · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Hchb

Security Administrator

Louisville, KY · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Hearst Newspapers

Security Administrator

Dallas, TX · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Hearst

Security Administrator

Louisville, KY · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Hearst

Security Administrator

Louisville, KY · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Hearst

Security Administrator

Louisville, KY · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Hearst Health

Security Administrator

Louisville, KY · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Hearst

Security Administrator

Louisville, KY · On-site

Security Administrator The Security Administrator is responsible for supporting day-to-day security ... Windows/Linux security/administration knowledge. * Basic SIEM monitoring and log analysis.

Prophecy Technologies

Linux Administrator

Montvale, NJ · On-site

Job Summary We are seeking an experienced Senior Linux Administrator to manage, support, and ... Maintain secure Linux environments aligned with CISSP and security best practices . * Collaborate ...

Hearst

Lead Security Administrator

Dallas, TX · Hybrid

The Lead Security Administrator designs, builds, and documents new and existing environments. We ... Windows/Linux security/administration knowledge * Experience with load balancers such as NetScaler ...

Hearst

Lead Security Administrator

Dallas, TX · Hybrid

The Lead Security Administrator designs, builds, and documents new and existing environments. We ... Windows/Linux security/administration knowledge * Experience with load balancers such as NetScaler ...

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Linux Security Administrator information

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How much do linux security administrator jobs pay per hour?

As of Jun 17, 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 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.

Are Linux admins in high demand?

Linux Security Administrators are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and cybersecurity. Employers seek professionals with skills in security tools, scripting, and certifications like CompTIA Linux+ or LPIC to manage and protect Linux systems effectively.

Is sysadmin entry level?

A Linux Security Administrator role typically requires prior experience with Linux systems, security protocols, and often some level of system administration. Entry-level positions in system administration may be available, but specialized security roles usually demand intermediate or advanced skills and certifications like CompTIA Linux+ or CISSP.

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.

What is a typical sysadmin salary?

A Linux Security Administrator's salary typically ranges from $70,000 to $120,000 annually, depending on experience, certifications, and location. Professionals with specialized skills in security tools and scripting may earn higher salaries, especially in high-demand markets.

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.

Is Linux admin a good career?

A Linux Security Administrator is a specialized role focused on protecting Linux-based systems from security threats, requiring knowledge of security protocols, scripting, and tools like firewalls and intrusion detection systems. It is a growing field with strong demand due to increasing cybersecurity concerns and the widespread use of Linux in servers and cloud environments. Certifications such as CompTIA Linux+ or CISSP can enhance job prospects in this career.

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.
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What are popular job titles related to Linux Security Administrator jobs? For Linux Security Administrator jobs, the most frequently searched job titles are:
Linux Security Administrator jobs near you
Infographic showing various Linux Security Administrator job openings in the United States as of June 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $100,000 per year, or $48.1 per hour.
Security Admin

Security Admin

DFND Security

Dallas, TX • On-site

Other

Posted 14 days ago

Job description

We are looking for a security admin for a position on site in Dallas, TX.

The job is expected to be a 3-6 month contract to hire starting right away.

More details below.

Security Administrator

·       Monitor security tools and platforms for alerts and anomalies.

·       Investigate and respond to security incidents under senior guidance.

·       Support administration and maintenance of security platforms (including SIEM).

·       Assist with log analysis, threat detection, and vulnerability remediation.

·       Participate in incidents, problems, and change management processes.

·       Document procedures, runbooks, and operational processes.

·       Assist with compliance evidence gathering and audit support.

·       Support patching, vulnerability remediation, and system hardening efforts.

·       Collaborate with infrastructure and engineering teams to secure assets.

·       Maintain inventory of security-relevant infrastructure components.

QUALIFICATIONS

·       2-4 years of experience in Security Operations, Systems Administration, or related field.

·       Strong experience with Enterprise SIEM (Splunk or similar).

·       Basic understanding of events and incident handling.

·       Experience in regulated industries (HIPAA, HiTrust, PCI, SOX) preferred.

·       Experience in healthcare environments a plus.

·       Exposure to Agile environments preferred.

TECHNICAL SKILLS

·       Windows/Linux security/administration knowledge.

·       Basic SIEM monitoring and log analysis.

·       Network/Server security attack mitigation.

·       Load balancer knowledge (NetScaler, F5).

·       Understanding of vulnerability management concepts.

·       Exposure to privileged access management tools (e.g., CyberArk or similar).

·       Basic understanding of automation and monitoring tools

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