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Linux Expert Jobs (NOW HIRING)

US Tech Solutions

Linux Engineer

Jersey City, NJ

Expert in installation, administration, maintenance, and troubleshooting of Redhat Linux and IBM AIX Unix servers. Tech Specs: Redhat Linux System Architecture and Administration Redhat 5.10, 6.2 and ...

Verithium

Linux Administrator

New York, NY

Expert level knownledge in Linux Red Hat. Solid experience with Web Services, Apache, Java, Tomcat, Shell scripting, Perl, Python. Experience with Clustering, Load Balancing, Scripting, Thread ...

Atria Group LLC

Weblogic Administrator

Austin, TX · On-site

Weblogic administration/WLST scripting - Expert, * 7+ years Unix/Linux - Expert * Implementing monitoring tools/ automation/ proactive remediation - Expert * Shell scripting - High level of expertise

NAVA Software Solutions

Sr. Linux Engineer

Chicago, IL · On-site

The candidate should have expert level working knowledge of the Red Hat Linux operating system, the Red Hat package management (RPM), process monitoring and utilization, and automation/orchestration.

TEKsystems

Linux Administrator

Kansas City, MO

$50 - $60/hr

Ideal Candidate This role is well-suited for a Linux Subject Matter Expert (SME) who has experience supporting Rocket/Micro Focus environments and enjoys working at the intersection of legacy systems ...

Netrio

Linux Engineer

Golden Valley, MN

Be a subject matter expert and trusted advisor to our clients' technology staff * Ensure you are ... Should have previous hands on Linux server experience and must be comfortable with taking ...

TEKsystems

Linux Administrator

Kansas City, MO

$50 - $60/hr

Ideal Candidate This role is well-suited for a Linux Subject Matter Expert (SME) who has experience supporting Rocket/Micro Focus environments and enjoys working at the intersection of legacy systems ...

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Linux Expert information

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How much do linux expert jobs pay per hour?

As of Jul 21, 2026, the average hourly pay for linux expert in the United States is $55.32, according to ZipRecruiter salary data. Most workers in this role earn between $50.24 and $59.38 per hour, depending on experience, location, and employer.

How does a Linux Expert typically collaborate with software development and IT operations teams?

A Linux Expert frequently acts as a bridge between software development and IT operations teams, ensuring that Linux-based systems are configured and maintained to support both stability and agility. They often assist developers with environment setup, troubleshoot system-level issues, and automate deployment processes using tools like Ansible or Bash scripting. Close collaboration is also common during incident response, capacity planning, and performance tuning, making communication and teamwork essential for success in this role.

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

AspectLinux ExpertLinux System Administrator
CertificationsLinux Professional Institute Certification (LPIC), CompTIA Linux+LPIC, CompTIA Linux+, Red Hat Certified System Administrator (RHCSA)
Work EnvironmentConsulting, specialized projects, high-level troubleshootingData centers, enterprise servers, daily system management
ResponsibilitiesAdvanced troubleshooting, optimization, architecture designSystem setup, maintenance, user management, monitoring

The main difference is that a Linux Expert focuses on advanced troubleshooting, architecture, and optimization, often working on specialized projects. In contrast, a Linux System Administrator handles routine maintenance, user management, and daily operations. Both roles require similar certifications but differ in scope and complexity of tasks.

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

To thrive as a Linux Expert, you need deep knowledge of Linux operating systems, scripting (such as Bash or Python), system administration, and typically a degree in computer science or a related field. Familiarity with tools like Docker, Ansible, and monitoring systems, as well as certifications such as RHCE or CompTIA Linux+, are highly valued. Strong problem-solving, analytical thinking, and communication skills help you troubleshoot complex issues and collaborate with IT teams. These skills and qualifications are crucial for ensuring secure, stable, and efficient Linux environments that support business operations.

What are Linux Experts?

Linux Experts are professionals with advanced knowledge and experience in the Linux operating system. They are skilled in installing, configuring, maintaining, and troubleshooting Linux-based systems and servers. Linux Experts often provide support for network security, server administration, shell scripting, and performance optimization. Their expertise is vital for organizations that rely on Linux for web hosting, cloud computing, and enterprise solutions.
More about Linux Expert jobs
What are the most commonly searched types of Linux Expert jobs? The most popular types of Linux Expert jobs are:
What job categories do people searching Linux Expert jobs look for? The top searched job categories for Linux Expert jobs are:
Linux Expert jobs near you
Infographic showing various Linux Expert job openings in the United States as of July 2026, with employment types broken down into 84% Full Time, 12% Part Time, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $115,062 per year, or $55.3 per hour.
Linux Subject Matter Expert (SME)

Linux Subject Matter Expert (SME)

DAN Solutions

Bethesda, MD • On-site

Full-time

Re-posted 20 days ago

Job description

Position Contingent on Funding/Award

We are seeking an experienced Linux Subject Matter Expert (SME) to provide advanced systems engineering and operational support for CDSSF Cross Domain Shared Services Framework within a secure Defense Intelligence Agency (DIA) environment. This role is embedded with our Cross Domain Solutions (CDS) team and is responsible for maintaining, hardening, troubleshooting, and optimizing Linux-based systems across multiple domains and mission enclaves.

The ideal candidate will have a deep understanding of Red Hat Enterprise Linux (RHEL), system hardening (STIG), cross domain security architectures, and the accreditation processes necessary to support Top Secret/Sensitive Compartmented Information (TS/SCI) systems.

Key Responsibilities:

  • Lead system engineering, patching, configuration, and lifecycle maintenance of RHEL/CentOS/Oracle Linux systems supporting CDS environments.
  • Implement and maintain DISA STIG-compliant baselines using automation tools (e.g., Ansible, SCAP, Puppet).
  • Collaborate with CDS engineers, Information Assurance personnel, and enclave leads to meet ATO/RMF compliance.
  • Troubleshoot kernel-level issues, performance bottlenecks, and cross-domain interface stability.
  • Provide SME-level support for SE Linux, LDAP/Kerberos, and auditing solutions (e.g., syslog, Splunk forwarders).
  • Manage OS provisioning, virtual infrastructure (e.g., VMware or KVM), and baseline image creation for cross-domain enclaves.
  • Assist with developing and maintaining infrastructure-as-code configurations and custom scripts (Bash, Python).
  • Serve as Tier III escalation for complex OS issues affecting CDS reliability or availability.
  • Support enclave isolation and guard-side interface requirements under strict security policies.
  • Document engineering decisions, operational procedures, and system configurations for cross-team knowledge sharing and accreditation packages.

Required Qualifications:

  • U.S. Citizen with active TS/SCI clearance and CI Polygraph (or ability to obtain).
  • 8+ years of experience administering Linux systems in a secure, mission-critical environment.
  • 3+ years supporting cross-domain or multi-enclave environments (CDS, Garrison, SMART.NeXT, CDSSF).
  • Advanced knowledge of RHEL 7/8/9, including system hardening and kernel-level tuning.
  • Experience with automation frameworks and scripting languages (Ansible, Bash, Python).
  • Familiarity with RMF/ATO processes and audit log management.
  • Strong understanding of networking (TCP/IP, firewalls, VLANs, DNS) as it relates to Linux systems.

Desired Qualifications:

  • DoD 8570 IAT Level II or III certification (Security+ CE, CASP+, CISSP).
  • Red Hat Certified Engineer (RHCE) or similar Linux certification.
  • Familiarity with CDS guard technologies (Radiant Mercury, Data Diode, Garrison, etc.).
  • Experience with hypervisors and virtual infrastructure supporting isolated environments.
  • Knowledge of Zero Trust, enclave segmentation, and compartmentalized architectures.