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Senior Linux Systems Engineer Jobs in Oak Ridge, TN

Cadre5

Senior Linux HPC Systems Engineer

Knoxville, TN · On-site

Senior Linux HPC Systems Engineer Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our ...

ITR

Senior Linux HPC Systems Engineer

Oak Ridge, TN

A BS degree in computer science, computer engineering, information technology, information systems ... Five (5) or more years with managing UNIX/Linux Systems. * Three (3) or years of proven experience ...

idexcel

Senior Systems Engineer

Knoxville, TN

$99K - $136K/yr

Senior Systems Engineer 810 Innovation Dr, Knoxville, Tennessee, USA 37932 10 months Contract to ... Develop industrial control applications in C on real-time OS (Linux, VxWorks). * Implement designs ...

ITR

Senior Linux HPC Storage Engineer

Oak Ridge, TN

Architect, deploy, and manage large-scale HPC storage systems, including parallel file systems such ... Basic Qualifications * A BS degree in computer science, computer engineering, information ...

ITR

HPC Linux Administrator

Oak Ridge, TN · On-site

A BS degree in computer science, computer engineering, information technology, business, science ... Five (5) or more years with managing UNIX/Linux Systems. * Three (3) or more years of proven ...

EnerNex, LLC

Senior Power Systems Engineer

Knoxville, TN · On-site

$99K - $136K/yr

Position Overview EnerNex is seeking an experienced Senior Power Systems Engineer to support and lead complex power system studies and consulting engagements for utilities, system operators ...

Denso

Systems Engineer 2

Maryville, TN · On-site

$73K - $100K/yr

The Industrial Data Infrastructure Engineer will act as a member of the data management team ... Proficient in Linux based systems and Kubernetes * Familiarity with CePH, certificate management ...

Denso

Systems Engineer 2

Maryville, TN

$73K - $100K/yr

The Industrial Data Infrastructure Engineer will act as a member of the data management team ... Proficient in Linux based systems and Kubernetes * Familiarity with CePH, certificate management ...

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All JobsLinux Systems Engineer JobsSenior Linux Systems Engineer JobsSenior Linux Systems Engineer Jobs in Oak Ridge, TN

Senior Linux Systems Engineer information

See Oak Ridge, TN salary details

$87.2K

$111K

$137.5K

How much do senior linux systems engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior linux systems engineer in Oak Ridge, TN is $110,988.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,400.00 and $119,700.00 per year, depending on experience, location, and employer.

What does a senior Linux systems engineer do?

A Senior Linux Systems Engineer is responsible for designing, implementing, and maintaining complex Linux-based systems and servers within an organization. Their duties often include configuring system architecture, ensuring system security and reliability, automating processes with scripting, and troubleshooting advanced issues. They may also mentor junior engineers, manage large-scale deployments, and contribute to planning the IT infrastructure. This role requires deep expertise in Linux operating systems, networking, and system optimization.

How does a senior Linux systems engineer typically collaborate with development and security teams?

A Senior Linux Systems Engineer often works closely with development teams to ensure that infrastructure is tailored to the needs of applications, facilitating smooth deployments and resolving compatibility issues. Collaboration with security teams is also essential, as they help implement and maintain system hardening, intrusion detection, and compliance with security policies. Regular meetings, ticketing systems, and cross-functional project planning are common ways these teams work together to ensure system reliability, security, and performance.

What is the difference between Senior Linux Systems Engineer vs Linux Systems Administrator?

AspectSenior Linux Systems EngineerLinux Systems Administrator
CertificationsLinux Professional Institute Certification (LPIC), RHCELPIC, RHCE often preferred
Work EnvironmentDesigning, implementing, and optimizing Linux infrastructureMaintaining, monitoring, and supporting Linux systems
ResponsibilitiesAdvanced system architecture, scripting, troubleshooting complex issuesRoutine system setup, updates, user management
Industry UsageTech companies, data centers, cloud providersEnterprises, hosting providers, IT departments

The main difference is that Senior Linux Systems Engineers focus on designing and optimizing Linux infrastructure, while Linux Systems Administrators handle daily maintenance and support tasks. The engineer role involves more strategic planning and complex problem-solving, whereas the administrator role emphasizes operational support and system stability.

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

To thrive as a Senior Linux Systems Engineer, you need expert-level knowledge of Linux/Unix systems administration, scripting languages (such as Bash or Python), and a degree in computer science or a related field. Familiarity with configuration management tools (like Ansible or Puppet), cloud platforms (AWS, Azure), and relevant certifications (e.g., RHCE, LFCS) are highly valued. Strong problem-solving abilities, effective communication, and the ability to mentor junior engineers distinguish top performers in this role. These skills and qualities are vital for ensuring system reliability, optimizing performance, and driving team success in complex IT environments.

What cities near Oak Ridge, TN are hiring for Senior Linux Systems Engineer jobs?

Cities near Oak Ridge, TN with the most Senior Linux Systems Engineer job openings:

Senior Linux Systems Engineer jobs near you

Senior Linux HPC Systems Engineer

Cadre5

Knoxville, TN • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 13 days ago

Job description

Senior Linux HPC Systems Engineer
Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab Partners division has partnered with the Emerging Technologies amp; Computing (ETAC) Group in the Research Computing Support Division (RCSD) of the Information Technology Services Directorate (ITSD) at Oak Ridge National Laboratory (ORNL) to recruit a qualified Senior Linux HPC Systems Engineer. The Emerging Technology Computational Group facilitates ORNL goals through HPC systems engineering, integration, and support for the research community at ORNL. By providing design, deployment, optimization, monitoring, and tooling support across multiple clustered infrastructures, they facilitate Lab-wide R amp;D projects. Their HPC clusters range in scope from just a handful of nodes to over fifty thousand cores.
ORNL delivers scientific discoveries and technical breakthroughs needed to realize solutions in energy and national security and provides economic benefit to the nation. This premier research institution located near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers.
This is a full-time, permanent position that requires on-site work in Oak Ridge, TN.
Why Cadre5?
  • Working with highly talented team members
  • 3 weeks’ vacation
  • Excellent medical insurance, including employer-paid benefits
Job Responsibilities:
  • Advocate and promote HPC and clustered computing services to researchers who process large data sets and/or develop code as a part of their project.
  • Ensure the availability, performance, scalability, and security of production systems.
  • Leverage automation and monitoring solutions that minimize our day-to-day maintenance and scout opportunities to optimize system management practices or system performance.
  • Collaborate with technical POCs for the programs that we support to install and help tune the performance of various scientific toolsets.
  • Optimize both workflows and monitoring solutions to take advantage of our 24/7 operations staff, which significantly reduces the need for off-hours support. We use Email, Jira, Confluence, Teams, Slack, and other collaboration solutions to stay in contact.
Basic Qualifications:
  • A BS degree in computer science, computer engineering, information technology, business, science, or a related field of study and eight (8) to twelve (12) years of proven experience is required. An overall combination of equivalent experience may be considered.
  • Five (5) or more years with managing UNIX/Linux Systems.
  • Three (3) or years of proven experience with configuration management and automation tools such as Git, Jenkins, Ansible, or Puppet.
  • Moderate proficiency in at least one scripting language such as Bash, Python, or others.
  • Experience performing advanced troubleshooting and system administration with Linux Servers.
  • Experience supporting large data systems.
  • A strong desire to innovate and identify new technologies and opportunities and be able to communicate the potential benefits of those choices to others within the team and our research partners.
  • A collaborative and upbeat approach to thrive on the opportunity to build trust and credibility, and ultimately become a trusted advisor to our research teams.
  • The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires US Citizenship.
Preferred Qualifications:
  • Solid understanding of multiple operating systems and cluster technologies.
  • Experience with Centos/RHEL, Ubuntu, VMware
  • Understanding of HPC platforms to support users with SLURM job submissions and troubleshooting.
  • Experience building and running containerized applications in an HPC environment.
  • Experience with multiple deployment mechanisms like Diskless, Warewulf, and traditional deployment (cobbler, PXEboot, and/or Bright).
  • Experience managing systems utilizing GPU (NVIDIA and AMD) clusters for AI/ML and/or image processing.
  • Knowledge of networking fundamentals including TCP/IP, traffic analysis, common protocols, and network diagnostics.
  • Experience with Infiniband networks and diagnostics.
  • Extensive experience with High Performance Parallel File Systems (Lustre, WEKA, GPFS, etc).
  • Experience with performance and diagnostic tools for benchmarking, analysis and tuning of systems, networking, and storage.
  • Experience with Grafana, CheckMK, Nagios, Zabbix, SolarWinds, Ganglia, or other network and device monitoring systems.
  • Previous experience working in a government, scientific or other highly technical environment.
  • Good documentation skills, including ability to prepare simple documentation web pages.
Benefits
Cadre5 offers excellent pay and benefits, to include full medical, dental, and vision coverage coupled with 401K match, 15 days PTO, and 10 holidays.
Cadre5 is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. Cadre5 is an E-Verify Employer.
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About Cadre5

Sourced by ZipRecruiter

Industry

Software development

Company size

11 - 50 Employees

Headquarters location

Knoxville, TN, US

Year founded

1999

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