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What is a Linux server?

A Linux Server job involves managing, configuring, and maintaining Linux-based servers to ensure optimal performance, security, and reliability. Professionals in this role handle tasks such as system administration, troubleshooting, software installations, and user management. They also implement security protocols, monitor system performance, and support network infrastructure. Strong knowledge of Linux distributions, scripting, and automation tools is essential for success in this role.

What does a Linux server administrator do?

A Linux Server Administrator’s daily responsibilities often include monitoring server performance, applying security patches and updates, managing user accounts, and troubleshooting any issues that may arise. They also handle routine backups, configure new services, and document system changes to maintain a stable and secure infrastructure. Collaboration with network engineers, software developers, and technical support teams is common to resolve cross-functional issues or implement new technologies. By managing these critical tasks, Linux Server Administrators help ensure high system uptime and smooth IT operations for an organization.

What skills and qualifications are needed to thrive as a Linux server administrator?

To thrive as a Linux Server Administrator, you need strong knowledge of Linux operating systems, command-line tools, system configuration, and scripting, typically supported by a degree in computer science or related certifications like CompTIA Linux+ or RHCSA. Familiarity with tools such as SSH, system monitoring utilities, configuration management software (e.g., Ansible, Puppet), and server virtualization platforms is essential. Excellent problem-solving skills, attention to detail, and clear communication help professionals manage incidents and collaborate with IT teams. These skills are critical for ensuring reliable server performance, security, and seamless business operations.

What are popular job titles related to Linux Server jobs in Arizona?

For Linux Server jobs in Arizona, the most frequently searched job titles are:

What job categories do people searching Linux Server jobs in Arizona look for?

The top searched job categories for Linux Server jobs in Arizona are:

Linux Server jobs near you
Infographic showing various Linux Server job openings in Arizona as of August 2026, with employment types broken down into 76% Full Time, 18% Part Time, 2% Temporary, and 4% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution.

High Performance Computing System Administrator, Senior Analyst, Onsite Tucson AZ

Raytheon

Tucson, AZ • On-site

$79K - $108K/yr

Full-time

Re-posted 19 hours ago

Raytheon rating

9.1

Company rating: 9.1 out of 10

Based on 99 frontline employees who took The Breakroom Quiz

2nd of 542 rated manufacturers

Job description

Job Summary:
Raytheon is a leader in defense and aerospace technology, and they are seeking a Senior Analyst for High Performance Computing Administration. The role involves providing HPC administration in a heterogeneous environment, troubleshooting technical problems, and ensuring security compliance.
Responsibilities:
• Work as a team member in a fast-paced technological environment.
• Help develop and implement new technologies based upon industry best practices.
• Use troubleshooting techniques to resolve technical problems at a moderate scope and complexity to include the integration of High-Performance Computing hardware, software, and operating systems (OS).
• Understanding utilizing software tools, automated scripts, batch schedulers, hardware, and system-level troubleshooting, to lead and support the engineering community.
• Perform OS tuning to maximize system performance on high performance computing systems. Work across DT functions to standardize processes and procedures.
• Work with Cybersecurity professionals to maintain security compliance requirements.
• Provide documentation and training on advanced DT HPC processes and procedures. Be a mentor to junior team members.
Qualifications:
Required:
• Typically requires a University Degree or equivalent experience and minimum 2 years of prior relevant experience, or An Advanced Degree in a related field.
• Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Experience in Windows and/or Linux Server Environments including directory services management, and system hardening.
• Experience maintaining a medium sized Microsoft Windows Server environment.
• Must be able to obtain required Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification) within 6 months of hire date.
Preferred:
• Experience with High Performance Computing scheduling and monitoring tools highly desired.
• Experience with Red Hat Enterprise Linux.
• High Performance Computing (HPC) experience in a Linux environment.
• Experience in project leadership, management, or project management in a DT domain and basic to advance scripting experience.
• An active DoD Top-Secret Clearance.
• Advanced hands-on experience with Windows and Unix security hardening, systems integrations, advanced troubleshooting, and authentication service integration (LDAP).
• Unix (Including Linux and Solaris), experience in a medium to high complex environment(s).
• Working knowledge of High-Performance Computing scheduling and monitoring tools such as SLURM, Grid Engine and Ganglia.
Company:
Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible. Founded in 1948, the company is headquartered in Waltham, USA, with a team of 10001+ employees. The company is currently Late Stage.

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