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Linux Unix System Administrator Jobs (NOW HIRING)

Cymertek

Linux / Unix Systems Administrator

Aurora, CO · On-site

Linux / Unix Systems Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please ... You will collaborate with cross-functional teams to support system upgrades, implement security ...

Collabera

Unix Admin Level II

The Woodlands, TX · On-site

The Unix System Administrator's role is to operate and tune Unix/Linux systems, servers, and related components to ensure high levels of availability and security of the supported business ...

Cymertek

Linux / Unix Systems Administrator

Reston, VA · On-site

Linux / Unix Systems Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please ... You will collaborate with cross-functional teams to support system upgrades, implement security ...

Cymertek

Linux / Unix Systems Administrator

Tysons, VA · On-site

Linux / Unix Systems Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please ... You will collaborate with cross-functional teams to support system upgrades, implement security ...

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Linux Unix System Administrator information

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$79.5K

$119.6K

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How much do linux unix system administrator jobs pay per year?

As of Aug 26, 2026, the average yearly pay for linux unix system administrator in the United States is $119,633.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,000.00 and $128,500.00 per year, depending on experience, location, and employer.

What is a Linux Unix system administrator?

Linux Unix System Administrators are IT professionals responsible for installing, configuring, maintaining, and troubleshooting Linux and Unix-based servers and systems. They ensure that these systems run efficiently, securely, and reliably for users and applications. Their duties often include user account management, system updates, monitoring system performance, implementing security measures, and performing regular backups. They play a critical role in supporting business operations that depend on stable and secure computing environments.

What are the key skills and qualifications needed to thrive as a Linux Unix system administrator?

To thrive as a Linux/Unix System Administrator, you need expertise in system installation, configuration, troubleshooting, scripting (such as Bash or Python), and a solid understanding of networking and security principles, often backed by a degree in computer science or a related field. Familiarity with tools like Ansible, Puppet, Nagios, and commonly used distributions, plus certifications such as RHCSA or CompTIA Linux+, is highly valued. Strong problem-solving, analytical thinking, and effective communication skills help administrators excel in managing systems and collaborating with technical teams. These competencies are essential to maintain robust, secure, and efficient server environments critical to business operations.

What are some common challenges faced by Linux Unix system administrators, and how can they be addressed?

Linux Unix System Administrators often encounter challenges such as managing system uptime, applying timely security patches, and troubleshooting unexpected performance issues. Balancing routine maintenance with urgent incidents can be demanding, especially in environments with 24/7 operations. To address these challenges, administrators typically rely on automation tools, proactive monitoring, and clear communication within their IT teams. Staying current with documentation and best practices also helps streamline problem-solving and ensures system reliability.

What is the difference between Linux Unix System Administrator vs Network Administrator?

AspectLinux Unix System AdministratorNetwork Administrator
CertificationsLinux/Unix certifications (e.g., LPIC, RHCE)Network certifications (e.g., CCNA, CompTIA Network+)
Work EnvironmentServers, data centers, cloud platformsNetworking hardware, routers, switches, firewalls
Primary ResponsibilitiesManaging Linux/Unix servers, scripting, system securityConfiguring and maintaining network infrastructure
Industry UsageIT, data centers, cloud servicesTelecommunications, enterprise networks

The Linux Unix System Administrator focuses on managing and maintaining Linux and Unix servers, ensuring system security and performance. In contrast, the Network Administrator primarily handles network infrastructure, including routers and switches, to ensure reliable connectivity. Both roles require technical certifications and are vital in IT and enterprise environments, but they specialize in different aspects of technology infrastructure.

Are Linux Unix System Administrators in high demand?

Linux Unix System Administrators are in high demand due to the widespread use of Linux and Unix-based systems in enterprise environments, data centers, and cloud infrastructure. Skills in scripting, security, and cloud platforms like AWS or Azure increase employability, and certifications such as RHCE or Linux+ can enhance job prospects.

Is Linux Unix System Administrator a good career?

A Linux/Unix System Administrator is a valuable role in IT, responsible for managing and maintaining server environments, often requiring skills in scripting, networking, and security. The role offers steady demand, competitive salaries, and opportunities for specialization and certification, making it a solid career choice for those interested in system management and infrastructure.

What is the salary of Linux Unix System Administrator?

The salary of a Linux Unix System Administrator varies based on experience, location, and certifications, but typically ranges from $70,000 to $120,000 annually in many regions. Experienced administrators with skills in scripting, security, and cloud environments may earn higher salaries.

What cities are hiring for Linux Unix System Administrator jobs?

Cities with the most Linux Unix System Administrator job openings:

What states have the most Linux Unix System Administrator jobs?

States with the most job openings for Linux Unix System Administrator jobs include:

What are popular job titles related to Linux Unix System Administrator jobs?

For Linux Unix System Administrator jobs, the most frequently searched job titles are:

Linux Unix System Administrator jobs near you
Infographic showing various Linux Unix System Administrator job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $119,633 per year, or $57.5 per hour.

Linux/UNIX System Administrator

TISTA Science and Technology Corporation

Austin, TX • On-site

$80 - $120/hr

Other

Medical, Life, Retirement, PTO

Posted 7 days ago

Job description

Overview

TISTA Science and Technology is seeking a Linux/UNIX System Administrator to join our growing team.

At TISTA, you’ll do meaningful, mission-driven work that improves lives alongside teammates you trust and leaders who are transparent and supportive. We invest in your learning and internal mobility so you can build a career that keeps advancing. We’re proud to serve and hire Veterans, and we put people first in everything we do.

TISTA associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account & Flexible Savings Account, Paid Life Insurance, Short-term & Long-term Disability, 401K Match, Professional development reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!

Responsibilities

The Multi-Cloud Linux/UNIX Systems Administrator is responsible for administering enterprise Linux systems and cloud infrastructure across AWS, Azure, Google Cloud, and OCI. This role involves OS installation, maintenance, troubleshooting, monitoring, and security hardening in both on‑premise and multi‑cloud environments. The position supports 24x7x365 operations, including alternate shifts, and requires adherence to SOPs, security standards, and change‑control procedures.

  • Perform routine Linux/UNIX system administration tasks, maintain logs, and ensure system efficiency and reliability.
  • Troubleshoot systems, networks, and high‑availability environments; apply debugging protocols and implement corrective actions.
  • Install operating systems using automated tools (Kickstart, Jumpstart, Ignite) and follow all SOPs.
  • Apply VA‑approved OS hardening, configure file systems and backup clients, and install layered software (Apache, WebLogic, Oracle DB, Tuxedo).
  • Apply OS patches, firmware updates, and vendor patch sets; manage user accounts; monitor system logs and elevate issues as needed.
  • Implement security hardening per Service Requests and Change Requests; follow local SOPs for daily operations.
  • Support incident and problem resolution; participate in fault isolation; open vendor support cases when needed.
  • Resolve OS-related issues during scheduled maintenance windows.
  • Administer Linux systems across AWS, Azure, Google Cloud, and OCI; troubleshoot cloud production issues across compute, storage, networking, and identity services.
  • Perform cloud patching, vulnerability remediation, controlled maintenance, and ensure monitoring and backup readiness across platforms.
Qualifications
  • Proven Linux/UNIX system administration experience, including complex troubleshooting and high‑availability systems.
  • Hands‑on experience with automated provisioning (Kickstart, Jumpstart, Ignite).
  • Knowledge of OS patching, security hardening, monitoring, and backup tools.
  • Familiarity with Apache, WebLogic, Oracle DB, and Tuxedo.
Preferred Certifications
  • Linux Administration certification strongly preferred.
  • AWS, Azure, OCI, automation, or security certifications.
Education

Bachelor’s degree in computer science, electronics engineering or related technical discipline

Eight (8) years of additional relevant experience may be substituted for education

Clearance

The ability to pass a Tier 4/HIGH Background Investigation

Location

Department of Veteran's Affairs (100% On-site)

Monday - Friday (8:00 AM - 4:30 PM CST Time)

Austin Information Technology Center (AITC)

1615 Woodward Street, Austin, TX 78741

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