Top 146 Principal System Administrator Jobs

Principal System Administrator- Tucson, AZ
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
- Full-time
- 3 years
- Master's degree
- Bachelor's degree
- Paid holidays
- Disability insurance
Principal System Administrator
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
- Full-time
- Azure
- DevOps
- Windows
- Paid holidays
- Disability insurance
Principal System Administrator
DCCA —Annapolis Junction, MD
- $160,000 - $205,000 a year
- Microsoft Access
- Microsoft Outlook
- 11+ years
- Disability insurance
- Health insurance
Principal Engineer-Enovia Platform Admin
Westinghouse Electric Company —Cranberry Township, PA
- $103,000 - $129,000 a year
- Remote
- Computer science
- Computer Science
- 5 years
- Health savings account
- Paid holidays
Principal Linux System Administrator
Raytheon —McKinney, TX
- $86,800 - $165,200 a year
- Full-time
- 5 years
- Master's degree
- Bachelor's degree
- Paid holidays
- Disability insurance
Senior Principal System Administrator
BAE Systems Inc. —San Diego, CA
- $132,962 - $226,035 a year
- Weekends as needed
- Microsoft Excel
- Senior level
- Communication skills
- Health savings account
- Paid holidays
Principal System Administrator- Will sponsor a clearance
Raytheon —Tewksbury, MA
- $86,800 - $165,200 a year
- Full-time
- System design
- Office
- 3 years
- Paid holidays
- Disability insurance
Principal Linux Systems Administrator
Leidos —Annapolis Junction, MD
- $116,350 - $210,325 a year
- Full-time
- 5 years
- Bachelor's degree
- Fair chance
- Paid holidays
- Paid time off
13d
Principal Control Systems Administrator
Inland Empire Utilities Agency —Chino, CA
- $161,419.02 - $196,672.11 a year
- Full-time
- 7 years
- Management
- Computer Science
- Profit sharing
- AD&D insurance
Principal IT Systems Administrator
CarGurus —Boston, MA
- $113,000 - $142,000 a year
- On call
- Hybrid work
- Google Workspace
- System design
- Windows
- Food provided
Senior Principal Digital Engineer (DE & Kubernetes Tool Admin)
Arcfield —Virginia
- $101,782.95 - $244,582.90 a year
- Full-time
- Remote
- Azure
- Computer Science
- Customer service
- Paid holidays
- Disability insurance
Principal Systems Administrator
BAE Systems Inc. —Hudson, NH
- $118,095 - $200,762 a year
- Full-time
- 7 years
- System design
- High school diploma or GED
- Health savings account
- Paid holidays
Systems Engineer Senior Principal
General Dynamics Information Technology —Fort Bragg, NC
- $146,266 - $197,890 a year
- Hybrid work
- Computer Science
- AWS
- Bachelor's degree
- Paid time off
- 401(k) matching
11d
Sr Principal Engineering CAD Administrator
Northrop Grumman —Sunnyvale, CA
- $142,200 - $213,400 a year
- Overtime
- Microsoft Outlook
- 5 years
- Master's degree
- Paid holidays
- Disability insurance
Sr Principal Cyber Systems Engineer - Top Secret
Northrop Grumman —Beale AFB, CA
- $149,300 - $223,900 a year
- Overtime
- 6 years
- Computer Science
- System design
- Paid holidays
- Disability insurance
Principal/Sr. Principal RF Electronic Systems Engineer
Northrop Grumman —Aurora, CO
- $114,000 - $213,400 a year
- Overtime
- System design
- Master's degree
- Bachelor's degree
- Paid holidays
- Disability insurance
Sr Principal System Administrator
Northrop Grumman —Edwards AFB, CA
- $129,300 - $193,900 a year
- Overtime
- Microsoft Excel
- 6 years
- Master's degree
- Paid holidays
- Disability insurance
Northrop Grumman SkillBridge - Principal System Administrator / Sr. Principal Systems Administrator
Northrop Grumman —Colorado Springs, CO
- $94,200 - $176,300 a year
- Overtime
- Military
- Mid-level
- 3 years
- Paid holidays
- Disability insurance
Sr Principal Linux Systems Administrator - Secret
Northrop Grumman —Boulder, CO
- $129,300 - $193,900 a year
- Overtime
- 6 years
- System design
- Master's degree
- Paid holidays
- Disability insurance
Sr Principal HPC Linux Systems Administrator - Secret
Northrop Grumman —Melbourne, FL
- $111,700 - $167,500 a year
- Overtime
- 6 years
- System design
- Master's degree
- Paid holidays
- Disability insurance

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Principal System Administrator- Tucson, AZ

Raytheon -
Tucson, AZ

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Job Details

Full-time
$86,800 - $165,200 a year

Benefits

Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Paid time off
Parental leave
Employee assistance program
Vision insurance
401(k) matching
Flexible schedule
Life insurance

Qualifications

Government information & network security
Data replication
Linux support
Project management experience in technology
Technical documentation
TS/SCI
High-performance computing clusters
Hardware maintenance
Secret Clearance
Server backup and recovery
Microsoft Exchange
DoD experience
Software installation
3 years
Master's degree
Information security compliance
DHCP
Bachelor's degree
Email configuration (technical support)
Team training
Computer management
Hardware configuration
Hardware support
DoD 8570
Scripting
DNS
Server virtualization
Data backup
SAN
Hardware management

Full Job Description

Date Posted:

2026-06-24

Country:

United States of America

Location:

US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848

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:

DoD Clearance: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

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 at Raytheon 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.

Our Digital 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, secure the integrity of our systems and support IT infrastructures around the world.

Principal System Administrators, based in Tucson, AZ, infrastructure Workplace Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems.

What You Will Do:

Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
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
Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
Working as a team member in a fast-paced technological environment. 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).
Understanding 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) .
Must be able to develop solutions and documentation to deal with a variety of technical problems.
Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
Travel required up to 5%
Full time 100% Onsite position
Start date will not be set until Interim clearance issued.

Qualifications You Must Have:

Typically requires a bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience
Must be able to obtain transferable U.S. government issued secret clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Start date will be set once Interim clearance is issued
Must have Linux or Windows experience
Experience in one of the following: Active Directory, VMware, MySQL, networking administration experience.

Qualifications We Prefer:

An active DoD TS/SCI
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 with 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

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

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select 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 86,800 USD - 165,200 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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Refine Your Search

Principal System Administrator jobs

Principal System Administrator- Tucson, AZ

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I want to receive the latest job alert for Principal System Administrator

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