Principal Linux System Administrator

Pratt & Whitney; Huntsville (AL); On-site; USD 82,000 - 164,000; Full time

Job summary

An established industry player seeks a Principal Linux Systems Administrator to join their innovative team in Huntsville, AL. This full-time role involves providing comprehensive IT systems administration in a dynamic environment, focusing on Red Hat Enterprise Linux and Microsoft Windows. The ideal candidate will collaborate with cybersecurity professionals and other teams to ensure secure and efficient IT operations. This position offers a competitive salary and a chance to contribute to critical programs that support national security. If you are passionate about technology and thrive in a fast-paced setting, this opportunity is perfect for you.

Benefits

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Match

Flexible Work Schedules

Paid Time Off

Employee Assistance Program

Parental Leave

Qualifications

• 5+ years of experience in IT systems administration.
• Must have a transferable U.S. government issued secret clearance.
• Experience with Red Hat Enterprise Linux and Active Directory.

Responsibilities

• Provide IT systems administration in a mixed Windows and Linux environment.
• Lead Red Hat installation and configuration tasks.
• Manage server and storage for classified programs.

Skills

Red Hat Enterprise Linux

Active Directory

Networking Administration

VMware

MySQL

Scripting

Education

Bachelor's Degree

Master's Degree

Tools

VMware vCenter

Windows Server

NAS/SAN Technologies

Job description

Date Posted:

2025-04-01

Country:

United States of America

Location:

AL200: 401 Jan Davis Drive Huntsville 401 Jan Davis Drive , Huntsville, AL, 35806 USA

Position Role Type:

Onsite

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

Security Clearance:

Secret - Current

Principal Linux Systems Administrator- 100% onsite, Huntsville, AL. Must have a current active secret clearance, we offer relocation!

About US:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

What is YOUR Mission?
Empowering a global business. Providing affordable solutions. Delivering competitive discriminators by unleashing deep expertise. These are just some of the many ways the Digital Technology team atRaytheon Technologies creates success for our customers. Joining our team will allow you to collaborate with Raytheon organizations to enable business growth, speed, and agility through business innovation, technical proficiency, and operational excellence.

OurDigital Technology (DT)organizationensures that Raytheon teammates across the globe are able to communicate,collaborateandinnovateforcustomersuccess. Wecreateleading-edge technologysolutionsto prevent security threats, secure the integrity of our systems andsupportIT infrastructures around the world.

Principal System Administrators ,internally known as PrincipalAnalyst, infrastructureWorkplaceServices,collaboratewith manyteams tosupportexciting, critical programs with classified information system capabilities.Successin this role means you candevelop, implement and maintain secure, cost-efficientenvironmentsacross various classified programs. Program teams rely on yourcollaborationand guidance to define computing requirements andcreateend-to-endsolutionstosolvecomplexIT infrastructure problems.

What You Will Do:

• Provide IT systems administration in a heterogeneous Microsoft Windows and RedhatEnterpriseLinuxenvironment.
• Lead and coordinate the Red Hat Installation and configuration.
• Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support
• Understandingand knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
• Working as a team member in afast-pacedtechnologicalenvironment. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
• Understandingof 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 a variety of technical problems.
• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
• Travelrequiredup to 5%
• Full time 100% Onsite position

Qualifications You Must Have:

• Typically requires bachelor’s degree and minimum of 5yearsof prior relevant experience or amaster’s degree and minimum of 3yearsof prior relevant experience
• Must have a transferable U.S. government issued secret clearance prior to start date. U.S. citizenship isrequired, as only U.S. citizens are eligible for a security clearance.
• Must have Red Hat Enterprise Linux experience
• Experience in one of the following: ActiveDirectory, VMware, MySQL, networking administration experience.

Qualifications We Prefer:

• Should have Windows experience
• VMware highly desired
• AnactiveDoD TS/SCI with Polygraph clearance or prior SCI/program eligibility
• 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 andsolutions
• Experience with using Information Technology project lifecyclemanagementprocesses.
• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
• Experiencesupportingengineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SMECP, and/or Exchange
• High Performance Computing (HPC) experience in a Linuxenvironment
• Scripting Experience

What We Offer :

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

• Relocation Eligibility

The salary range for this role is 82,000 USD - 164,000 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 candidate’s 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 company’s 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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