Top 146 Systems Administrator Principal Jobs

Principal Systems Administrator -Tucson, AZ
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
- Full-time
- Windows
- 3 years
- Travel
- 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
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
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
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
Principal Linux Systems Administrator / Sr. Principal Linux Systems Administrator (AHT)
Northrop Grumman —Redondo Beach, CA
- $103,600 - $193,900 a year
- Overtime
- Computer science
- Computer Science
- 5 years
- Paid holidays
- Disability insurance
Systems Administrator Principal
General Dynamics Information Technology —Washington, DC
- $131,750 - $178,250 a year
- Hybrid work
- 5 years
- Travel
- Senior level
- Paid time off
- 401(k) matching
Principal Windows Systems Administrator
Zaden Technologies, Inc. —Huntsville, AL
- Full-time
- Hybrid work
- Computer science
- 7 years
- Computer Science
- Profit sharing
- Paid holidays
Quick Apply
Principal Systems Administrator
Envision Innovative Solutions —Aurora, CO
- $175,000 - $205,000 a year
- 11+ years
- Bachelor's degree
- Senior level
Quick Apply
Principal Systems Administrator
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
- Full-time
- Azure
- DevOps
- Windows
- Paid holidays
- Disability insurance
Sr. Principal Systems Administrator
Raytheon —El Segundo, CA
- $118,300 - $224,900 a year
- Full-time
- 5 years
- Mentoring
- Scripting
- 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 Administrator/Principal Systems Administrator
Northrop Grumman —Naval Air Station Patuxent River, MD
- $83,400 - $155,400 a year
- Overtime
- Windows
- Master's degree
- Bachelor's degree
- Paid holidays
- Disability insurance
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 Finance Systems Administrator
Trading Technologies —Chicago, IL
- $144,000 - $219,000 a year
- Full-time
- Hybrid work
- Salesforce
- System design
- Office
- Commuter assistance
- Health savings account
Quick Apply
Principal IT Systems Administrator
CarGurus —Boston, MA
- $113,000 - $142,000 a year
- On call
- Hybrid work
- Google Workspace
- System design
- Windows
- Food provided
Principal Systems Administrator (Onsite)
Raytheon —Andover, MA
- $86,800 - $165,200 a year
- Full-time
- System design
- Office
- 3 years
- Paid holidays
- Disability insurance
Principal Healthcare Supply Chain Specialist (IT/CIS)
Staritas —Remote
- $70,000 - $80,000 a year
- Remote
- Nursing
- Microsoft Excel
- 5 years
- Paid parental leave
- Paid holidays
Quick Apply
Senior Principal Systems Engineer (Onsite)
BAE Systems Inc. —Honolulu, HI
- $132,962 - $226,035 a year
- Weekends as needed
- Microsoft Excel
- 6 years
- Customer service
- Health savings account
- Paid holidays
System & Application Administrator Principal
District Support Services Center —Tempe, AZ
- $90,250 - $117,325 a year
- Full-time
- 7 years
- Azure
- Office
- Wellness program
- 403(b) matching

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Principal Systems 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
Relocation assistance
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

Linux support
Windows
DoD 8570
Windows support
Linux administration

Full Job Description

Date Posted:

2026-06-09

Country:

United States of America

Location:

US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

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

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe can 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 RTX’s IT infrastructure around the world.

Principal System Administrators, internally known as Principal Analyst, infrastructure Workplace Services, collaborate with many teams to support fast-paced, 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.
Understand and have knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
Work 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).
Understand 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.
Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
Travel up to 10%

Qualifications You Must Have:

Typically requires a University degree or equivalent experience and minimum 5 years prior relevant experience, or an Advanced Degree in a related field and minimum 3 years of experience.
Windows and Linux experience.
Experience in one of the following: Active Directory, VMware, networking administration experience.

Qualifications We Prefer:

Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification.
In-depth working experience in Windows Server.
Experience with data storage, NAS/SAN technologies and solutions.
Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
Experience with security posturing using tools like SCAP, Nessus, Splunk, Symantec and other AV solutions, and system hardening.

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.

Relocation assistance available provided final candidate meets eligibility requirements.

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

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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Systems Administrator Principal jobs

Principal Systems Administrator -Tucson, AZ

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System & Application Administrator Principal

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