Principal Linux Systems Administrator

📍 Job Overview

• Job Title: Principal Linux Systems Administrator
• Company: Raytheon Technologies (RTX)
• Location: Tucson, AZ, USA
• Job Type: On-site
• Category: Server Administration & Infrastructure
• Date Posted: 2025-06-24
• Experience Level: Mid-Senior level (5-10 years of experience)
• Remote Status: On-site (relocation assistance offered)

🚀 Role Summary

• Serve as a Principal Linux Systems Administrator, supporting classified programs and ensuring secure, cost-efficient environments.
• Collaborate with cross-functional teams to define computing requirements and create end-to-end solutions for complex IT infrastructure problems.
• Maintain active Top Secret clearance and U.S. citizenship.

💻 Primary Responsibilities

• Systems Administration: Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Server Management: Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs.
• Team Collaboration: Work with various teams to support exciting, critical programs with classified information system capabilities.
• Security Compliance: Maintain security requirements and provide documentation and training on advanced IT processes and procedures.
• Troubleshooting: Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity.
• Documentation: Develop solutions and documentation for a variety of technical problems.

🎓 Skills & Qualifications

Education

• Bachelor's degree with 5 years of relevant experience or a master's degree with 3 years of relevant experience.

Experience

• Linux systems administration experience.
• Windows experience.
• Experience in one of the following: Active Directory, VMware, MySQL, networking administration.

Required Skills

• Linux administration.
• Windows administration.
• Active Directory.
• VMware.
• MySQL.
• Networking administration.
• Cybersecurity.
• Data backup.
• Server management.
• Storage management.
• Troubleshooting.
• Documentation.
• Scripting.
• High Performance Computing (HPC).
• Virtual computing.
• Data storage.

Preferred Skills

• VMware highly desired.
• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
• In-depth working experience in Windows Server.
• Experience with data storage, NAS, and SAN technologies and solutions.
• Experience using Information Technology project lifecycle management processes.
• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SMECP, and/or Exchange.
• High Performance Computing (HPC) experience in a Linux environment.
• Scripting Experience.

📊 Web Portfolio & Project Requirements

• Portfolio Essentials:
  • Demonstrate Linux and Windows administration skills through live projects and case studies.
  • Showcase experience in Active Directory, VMware, MySQL, and networking administration.
  • Highlight problem-solving skills and ability to develop solutions and documentation for technical problems.
• Technical Documentation:
  • Provide detailed documentation for Linux and Windows server configurations, data backup processes, and security procedures.
  • Include examples of scripting and automation used to streamline IT processes.

💵 Compensation & Benefits

• Salary Range: $82,000 - $164,000 USD per year.
• Benefits:
  • Medical, dental, vision, life insurance, short-term disability, long-term disability.
  • 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.
  • Annual short-term and/or long-term incentive compensation programs (not guaranteed).

🎯 Team & Company Context

🏢 Company Culture

• Industry: Aerospace, Defense, and Technologies.
• Company Size: Large (over 100,000 employees).
• Founded: 1922.
• Team Structure:
  • Collaborative, fast-paced technological environment.
  • Work with various teams to support classified programs.
• Development Methodology:
  • Use troubleshooting techniques to resolve technical problems.
  • Develop solutions and documentation for a variety of technical problems.

📈 Career & Growth Analysis

• Web Technology Career Level: Mid-Senior level (5-10 years of experience).
• Reporting Structure: On-site, full-time position.
• Technical Impact: Support classified programs and ensure secure, cost-efficient environments.

🌐 Work Environment

• Office Type: On-site, full-time position.
• Office Location(s): Tucson, AZ, USA.
• Workspace Context:
  • Collaborative workspace with various teams.
  • Use troubleshooting techniques to resolve technical problems.
  • Develop solutions and documentation for a variety of technical problems.

📄 Application & Technical Interview Process

• Interview Process:
  • Technical preparation recommendations and coding/configuration assessment focus.
  • Web architecture expectations and system design discussion.
  • Web development team interaction and cultural fit assessment.
  • Final evaluation criteria and technical impact discussion.
• Portfolio Review Tips:
  • Specific tactical advice for Linux and Windows administration portfolio curation and live demo presentation.
  • Project case study structure with user experience and technical implementation focus.
  • Code quality demonstration and responsive design standards for this role.
  • Company-specific web technology considerations and performance optimization examples.
• Technical Challenge Preparation:
  • Typical web development exercise format and expectations.
  • Time management and solution architecture for web challenges.
  • Communication and technical explanation articulation for web concepts.

🛠 Technology Stack & Web Infrastructure

• Frontend Technologies: N/A (not applicable for this role).
• Backend & Server Technologies:
  • Linux (Red Hat Enterprise Linux).
  • Windows Server.
  • Active Directory.
  • VMware.
  • MySQL.
  • Networking administration.
• Development & DevOps Tools:
  • Scripting (bash, PowerShell, etc.).
  • Virtual computing methods (VMWare vCenter, vSphere, ESX, etc.).
  • Data storage, NAS, and SAN technologies and solutions.

👥 Team Culture & Values

• Web Development Values:
  • Trust, Respect, Accountability, Collaboration, and Innovation.
• Collaboration Style:
  • Collaborative, fast-paced technological environment.
  • Work with various teams to support classified programs.
  • Use troubleshooting techniques to resolve technical problems.

⚡ Challenges & Growth Opportunities

• Technical Challenges:
  • Linux and Windows administration challenges in a classified environment.
  • Maintaining security requirements and providing documentation and training.
  • Troubleshooting technical problems of a moderate to high scope and complexity.
• Learning & Development Opportunities:
  • Linux and Windows administration skill advancement and specialization paths.
  • Conference attendance, certification, and community involvement.
  • Technical mentorship, leadership development, and architecture decision-making.

💡 Interview Preparation

• Technical Questions:
  • Linux and Windows administration fundamentals with HTML, CSS, JavaScript preparation advice.
  • Web architecture and performance with system design and optimization strategies.
  • Problem-solving with live coding examples and debugging demonstrations.
• Company & Culture Questions:
  • Technical question specific to company web development culture with research recommendations and team fit assessment.
  • Technical question specific to web development methodology with Agile practices and collaboration examples.
  • Technical question specific to user experience impact with project metrics and performance measurement discussion.
• Portfolio Presentation Strategy:
  • Live website demonstration and technical walkthrough methods.
  • Code explanation techniques and architecture decision reasoning.
  • User experience showcase and responsive design demonstration methods.

📌 Application Steps

To apply for this Linux Systems Administrator position:

• Submit your application through the application link.
• Customize your Linux and Windows administration portfolio with live demos and responsive examples.
• Optimize your resume for web technology roles with project highlighting and technical skills emphasis.
• Prepare for technical interviews with coding challenges and portfolio presentation.
• Research the company with a focus on web technology and user experience understanding.