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Principal Linux System Administrator- must have active secret clearance

RTX


Job Location:

Huntsville, AL - USA

Monthly Salary: $ 165200 - 165200
Posted: 21 July 2026 (30+ days ago)
Application Deadline: 18 October 2026
Vacancies: 1 Vacancy

Job Summary

Date Posted:

Country:

United States of America

Location:

US-AL-HUNTSVILLE-401 401 Jan Davis Dr NW JAN DAVIS 401

Position Role Type:

Onsite

U.S. Citizen U.S. Person or Immigration Status Requirements:

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

Security Clearance Type:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

OurDigital Technology (DT) organization ensures that Raytheon teammates across the globe are able to communicate collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats protect the integrity of our systems and support RTXs infrastructure around the world.

Raytheon has an exciting IT position available that supports the Raytheon mission of making the world a safer are currently seeking aPrincipal Linux Systems Administrator based in Huntsville ALwill be working onsite in a highly collaborative multi-platform and multidisciplined environment. The Systems Administrator is required to have an active secret security clearance as they will be responsible for deploying and maintaining classified IT candidates day-to-day activities include but are not limited to: RedHat Linux server management; storage management; file server management; access management; data backup; software and license configuration; and workstation day in the life of a Systems Administrator can bring something new building a new IT infrastructure for a group of engineers strategizing disaster recovery updating virus definitions and security patches teaming with our brilliant engineers on how to improve their processes and more.

Responsibilities to Anticipate:

  • Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft Windows.
  • Experience with Linux fundamentals and Windows Server internals to include Ansible DNS DHCP LDAP AD and server replication methods.
  • Working as a team member in troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
  • Experience with data RAID data backup uses and technologies. Install and configure software applications requested by end users.
  • Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
  • Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security CE or equivalent certification) within 6 months of start date.
  • Must be able todevelopsolutionsand documentation to solve a variety of technical problems.
  • Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
  • Travelis requiredto other US Domestic locations as businessneedsdictate up to 10% travel.
  • Full time 100% Onsite position.

Qualifications You Must Have:

  • Typically requires a bachelors degree and 5 years of experience or masters degree and 5 years of prior relevant experience.
  • Must have an active and in-scope US DoD secret citizenship is required as only US citizens are eligible for security clearance
  • Must have Linux experience
  • Experience in one of the following: ActiveDirectory VMware system hardening disaster recovery

Qualifications We Value:

  • Experience with NISPOM JAFAN JSIG DFARS and/or DoD/RMF
  • Familiarity with High Performance Computing (HPC) Environments
  • Experience with Enterprise Active Directory (AD) & LDAP
  • Experience with security posturing using tools like SCAP Nessus Splunk Symantec and other AV solutions and system hardening.
  • Experience supporting engineers in software simulations and hardware development.
  • Able to real-time troubleshoot and develop solutions with documentation to a variety of technical problems.
  • We are offering relocation!

What We Offer:
Our values drive our actions behaviors and performance with a vision for a safer more connected world. At RTX we value: Safety Trust Respect Accountability Collaboration and Innovation.

Learn More & Apply Now!

As part of our commitment to maintaining a secure hiring process candidates may be asked to attendselect steps of the interview process in-person at one of our office locations regardless of whether the role is designated as on-site hybrid or remote.

The salary range for this role is 86800 USD - 165200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer including but not limited to the role function and associated responsibilities a candidates work experience location education/training and key skills.

Hired applicants may be eligible for benefits including but not limited to 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. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including but not limited to individual performance business unit performance and/or the companys performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin age disability or veteran status or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans Readjustment Assistance Act.

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Required Experience:

Staff IC


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