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Principal Unix Linux Engineer Jobs (NOW HIRING)

Amicis Global

Unix/Linux L3 Administrator

Alpharetta, GA · On-site

$70 - $80/hr

Unix/Linux L3 Administrator Duration: 12+ months Potential to Convert Location: Alpharetta, GA ... Providing SRE Support to the Firm's Critical Infrastructure (Oxygen Systems) in a Follow-The-Sun ...

Sev1Tech LLC

Senior UNIX/Linux System Engineer

Radford, VA · On-site

$100 - $125/hr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

GDIT

UNIX/Linux/Solaris Engineer

Bethesda, MD · On-site

No GDIT is seeking a UNIX/Linux/Solaris Engineer to support NIH CIT's HSS program. You will keep mission-critical systems stable, secure, and performant across Solaris (Zones/LDOMs) and Red Hat Linux ...

Entarian

Senior UNIX/Linux System Engineer

Fort Liberty, NC · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

Entarian

Senior UNIX/Linux System Engineer

Radford, VA · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

Entarian

Senior UNIX/Linux System Engineer

Radford, VA · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

Judge Group, Inc.

Unix Systems Engineer

Ann Arbor, MI · On-site

$50 - $55/hr

Senior Unix Systems Engineer to join the Unix/Linux and Container Services team. The team is responsible for the design, support, security, and governance of enterprise Unix/Linux server and ...

Entarian

Senior UNIX/Linux System Engineer

Radford, VA · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

Entarian

Senior UNIX/Linux System Engineer

Fort Liberty, NC · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

Entarian

Senior UNIX/Linux System Engineer

Fort Liberty, NC · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

Entarian

Senior UNIX/Linux System Engineer

Fort Liberty, NC · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

Entarian

Senior UNIX/Linux System Engineer

Radford, VA · On-site

$100K - $140K/yr

Entarian is looking for a Senior UNIX/Linux System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. The responsibilities include but ...

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Principal Unix Linux Engineer information

See salary details

$74K

$147.2K

$212.5K

How much do principal unix linux engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for principal unix linux engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What does a Principal Unix Linux Engineer do?

A Principal Unix Linux Engineer is a senior-level technical expert responsible for designing, implementing, and maintaining Unix and Linux systems within an organization. They lead large-scale infrastructure projects, develop best practices for system performance and security, and often mentor junior engineers. Their role typically includes troubleshooting complex issues, automating system administration tasks, and ensuring systems are robust, scalable, and secure. They also collaborate with other IT teams to support mission-critical applications and infrastructure.

What are the key skills and qualifications needed to thrive as a Principal Unix Linux Engineer?

To thrive as a Principal Unix Linux Engineer, you need deep expertise in Unix/Linux system administration, scripting, and infrastructure design, typically backed by a degree in computer science or a related field. Familiarity with automation tools (such as Ansible or Puppet), cloud platforms, and certifications like RHCE or LPIC are highly valued. Strong problem-solving abilities, leadership, and effective communication set top performers apart in this role. These skills are essential to ensure robust, secure, and scalable systems, and to effectively lead technical teams in complex environments.

How does a Principal Unix Linux Engineer typically collaborate with other IT teams to ensure system reliability and performance?

A Principal Unix Linux Engineer works closely with network administrators, security teams, application developers, and support staff to maintain optimal system uptime and performance. Collaboration often involves participating in architecture reviews, troubleshooting cross-platform issues, and implementing automation for repetitive tasks. Effective communication and coordination are essential, as this role frequently leads incident response efforts, shares technical expertise, and helps define best practices for system integration and security compliance.

What is the difference between Principal Unix Linux Engineer vs Senior Unix Linux Engineer?

AspectPrincipal Unix Linux EngineerSenior Unix Linux Engineer
ResponsibilitiesDesigning architecture, leading projects, strategic planningImplementing solutions, troubleshooting, mentoring
CertificationsLinux certifications (e.g., RHCE, LPIC), advanced credentialsSimilar certifications, often with less emphasis on leadership
Work EnvironmentLeadership roles, cross-team collaboration, strategic focusHands-on technical work, operational support
Experience LevelTypically 10+ years, senior technical expertise5-10 years, advanced technical skills

The Principal Unix Linux Engineer generally holds a higher strategic and leadership role, focusing on architecture and project direction, while the Senior Unix Linux Engineer concentrates on technical implementation and support. Both roles require strong technical skills and certifications, but the principal position involves more oversight and planning.

What are popular job titles related to Principal Unix Linux Engineer jobs?

For Principal Unix Linux Engineer jobs, the most frequently searched job titles are:

Unix/Linux L3 Administrator

Alpharetta, GA • On-site

Amicis Global
See more jobs at Amicis Globalexternal

$70 - $80/hr

Contractor

Re-posted 6 days ago

Job description

Title: Unix/Linux L3 Administrator
Duration: 12+ months Potential to Convert
Location: Alpharetta, GA 30005
Hours may vary based on project: Shift timings would be from 7:00 AM to 9:30 PM by 2 members on a weekly rotation, i.e., the morning shift would start at 7:00 AM, and the afternoon shift starts at 12:00 Noon
Job Description:
This role is for a Unix L3 specialist to the Unix Critinfra Support Team with the following responsibilities:
• Providing SRE Support to the Firm's Critical Infrastructure (Oxygen Systems) in a Follow-The-Sun model
• Provide rotational On-call support, weekend project work
• Proactive health & hygiene tasks to maintain operational stability and compliance for risk & control programs to ensure the production environment is not put at risk.
• Collaborate with engineering teams to test and certify new hardware & software products.
• Engage with clients to understand business demand, needs & support during outage scenarios.
• Onboard new UNIX assets for growth or large programs such as new datacenter build-outs.
Skills Required:
• 6+ years of Unix/Linux Administration Enterprise Level Experience in a large, distributed environment.
• Experience of Project Management, Incident & Change Management, and Reporting
• In-depth knowledge of Linux (Red Hat) with good knowledge in Solaris.
• Detailed knowledge of TCP/IP and associated technologies (NFS, NIS, DNS, DHCP)
• Detailed knowledge of Unix system monitoring and reporting
• Detailed knowledge of Server Firmware upgrade
• Detailed knowledge of NTP/Time Keeper, Time synchronization technologies
• In-depth knowledge in vulnerability assessment and server patching.
• Programming level knowledge of Shell, Perl/Python.
• Ability to troubleshoot, resolve complex problems, with a fix-it-once-for-everywhere mentality and automation mentality.
• Effective oral and written communication skills and interpersonal skills are essential, as well as the ability to work well in a global-team environment.
• The individual should have strong organizational skills and the ability to manage multiple tasks and high-pressure situations for outage handling, management, or resolution
Skills / Certifications Desired:
• Knowledge of Infoblox DDI solution
• Certification in RedHat Enterprise Linux
• Knowledge of Veritas Cluster Server or similar high availability product
• Knowledge in ansible, OpenShift, Kubernetes
• Veritas Volume Manager
• Prior experience working in the financial services industry.