Top 3640 Linux system administrator Jobs

Systems Administrator
DeMase Technical Services, LLC —Oak Ridge, TN
- $80,000 - $160,000 a year
- Full-time
- Background check
- Computer Science
- Bachelor's degree
- Health savings account
- Paid holidays
Quick Apply
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Embedded Linux Software Engineer to Sensors and System Software Team
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Senior Systems Administrator
Quanta Manufacturing Fremont —Fremont, CA
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5d
Information System Security Manager (ISSM) - Fairfax, Virginia
In-Depth Engineering Corporation —Fairfax, VA
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Linux System Administrator
ABB OPTICAL Group —Remote
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Cloud Administrator (USA Based) - N.A. Service Delivery Group
CBN Secure Technologies —Danville, VA
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System Administrator - 2 (Linux Workstations, Desktop Support)
Akina, Inc. —Annapolis Junction, MD
- $145,000 - $190,000 a year
- 5 years
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NOC Systems Administrator, Linux
Veilant —Tysons, VA
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Cloud Service Administrator I (Night Shift)
CloudWave —Remote
- $55,000 - $60,000 a year
- Weekends as needed
- 1 year
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5d
Senior System Administrator - Linux
Global Enterprise Services, LLC —Fort Belvoir, VA
- $113,000 - $128,000 a year
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System Administrator - 2 (Linux, Windows, Tier 1, Tier 2)
Akina, Inc. —Annapolis Junction, MD
- $160,000 - $190,000 a year
- 5 years
- Bachelor of Science
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Enterprise Linux System Engineer
Webtellect, LLC —Bellevue, WA
- $50 an hour
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- 2 years
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- Paid time off
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System Engineer - Linux
Two95 International Inc. —New York, NY
- $100,000 - $120,000 a year
- Full-time
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Systems Administrator - IV/LINUX System Administrator
AmNet Services, Inc. —Colorado Springs, CO
- Weekends as needed
- Microsoft Outlook
- Computer Science
- Bachelor of Science
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Systems Administrator & Web Developer
Greenwing Technology —Newark, DE
- $70,000 - $80,000 a year
- Full-time
- Hybrid work
- 5 years
- Research
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- Health insurance
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1d
Principal Network Architect
SciTec —Boulder, CO
- $145,000 - $204,000 a year
- Azure
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- 8 years
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Systems Administrator
FAGE USA Dairy Industry —Johnstown, NY
- $70,000 - $80,000 a year
- Full-time
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Senior Systems Engineer/Architect
Versalign, Inc. —Wilmington, DE
- $100,000 - $125,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
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12d
Network Administrator, Lead (HPC)
AMERICAN SYSTEMS —Arlington, VA
- $165,000 - $195,000 a year
- Full-time
- Computer Science
- Maintenance
- 8 years
- Retirement plan

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Systems Administrator

DeMase Technical Services, LLC -
Oak Ridge, TN

Quick Apply

Job Details

Full-time
$80,000 - $160,000 a year
8 days ago

Benefits

Health savings account
Paid holidays
Health insurance
Dental insurance
401(k)
Flexible spending account
Paid time off
Employee assistance program
Vision insurance
Flexible schedule
Life insurance
Referral program
Retirement plan

Qualifications

System administration
Computer Science
Nutanix Certified Professional – Multi-Cloud Infrastructure (NCP-MCI)
Bachelor's degree
Q Clearance
Computer Information Systems

Full Job Description

DeMase Technical Services is a Women-Owned Small Business created by experts in the cybersecurity, energy, nuclear, and defense markets. We offer best-in-class solutions for nuclear facility licensing, permitting, startup, operations, cybersecurity, and next generation technologies. DeMase provides expert professionals in the fields of cybersecurity, next generation information technologies, nuclear engineering, nuclear technologies, and environmental management. Our cybersecurity team is an industry leader supporting the Cybersecurity Maturity Model Certification (CMMC) ecosystem. DeMase is an expert authorized CMMC C3PAO and full-service CMMC provider for readiness and certification.
https://demase-tech.com/

The Systems Administrator is responsible for the deployment, administration, and maintenance of enterprise systems in a Q-cleared environment, with a strong focus on Nutanix hyperconverged infrastructure. This role supports classified operations by ensuring system availability, security compliance, and performance reliability.

This role requires an active DOE Q security clearance (or equivalent DoD TS).

Key Responsibilities

Administers and maintains Nutanix HCI environments, including Nutanix AOS, AHV virtualization, and Prism Element/Prism Central;
Deploys, configures, and maintains Windows and Linux servers;
Performa system hardening in accordance with DISA STIGs and site security requirements;
Monitors system health, performance, and capacity;
Applies OS patches, firmware updates, and Nutanix upgrades;
Supports backup, restore, and disaster recovery processes;
Manages Active Directory, Group Policy, DNS, and authentication services;
Troubleshoots system, storage, networking, and virtualization issues;
Supports classified enclave operations and air-gapped systems;
Collaborates with ISSOs to remediate vulnerabilities and support ATO activities;
Maintains configuration documentation and system inventories; and
Participates in change management and maintenance windows.

Basic qualifications

Active DOE Q security clearance (or equivalent DoD TS)
Bachelor’s degree in computer science, information systems, engineering, or related field (or equivalent experience)
Five-plus (5+) years of systems administration experience in secure or classified environments

Preferred skills/qualifications

Hands-on experience administering Nutanix HCI platforms or similar platforms
Strong experience with Windows Server and/or Linux (RHEL, Rocky, Ubuntu)
Understanding of cybersecurity best practices in classified systems
Experience implementing STIGs and resolving vulnerability findings
Ability to work independently in a high-security environment
Experience supporting classified networks (DOE, DoD, or IC)
Familiarity with backup solutions, SAN/NAS concepts, and scripting (PowerShell, Bash)
Experience supporting RMF-authorized systems
Nutanix certifications (NCA, NCP, or higher) or similar

Pay range: $80,000-$160,000

Disability accommodation

DeMase Technical Services, LLC is committed to providing reasonable accommodation to applicants with disabilities where appropriate. Determinations on requests for reasonable accommodation will be made on a case-by-case basis.

Benefits 

At DeMase Technical Services, we recognize that high-performing technical professionals need more than just a paycheck—they need a total rewards package that supports performance, resilience, and long-term career sustainability. Our approach is designed with a focus on the full lifecycle of our workforce, from day-to-day well-being to long-term financial security.

We offer a competitive and thoughtfully structured benefits program that supports the demands of technical work, promotes personal and professional stability, and enables you and your family to thrive—both on and off the job. For full-time employees, our benefits include:

· Healthcare (Medica, dental, and vision insurance)

· Flexible schedule

· Health savings account

· Life insurance

· Paid time off

· Retirement plan

· 10 paid holidays

Compliance

DeMase Technical Services is an equal opportunity employer. We consider all qualified applicants without regard to race, religion, color, sex, national origin, age, sexual orientation, gender identity, disability or veteran status, and other factors protected under applicable law.

Affirmative Action employer compliant with OFCCP regulations.

EEOC/AA Employer – Individuals with disabilities and protected veterans welcomed.

E-Verify

DeMase participates in the U.S. Department of Homeland Security E-Verify program in all facilities located in the United States and certain U.S. territories. The E-Verify program is an Internet-based employment eligibility verification system operated by the U.S. Citizenship and Immigration Services. Learn more about the E-Verify program.

Applicants must be able to comply with DeMase Technical Services policies and procedures, including the Code of Ethics and Business Conduct and related workplace conduct and safety policies.

Pay transparency and nondiscrimination statement

DeMase Technical Services complies with all applicable federal, state, and local pay transparency laws. The compensation range provided in this job posting represents a good faith estimate of the base salary or hourly rate for this position at the time of posting. Actual compensation may vary based on factors such as experience, education, skills, geographic location, and internal equity.

In addition to base pay, eligible employees may receive a comprehensive benefits package, which may include health insurance, retirement plans, paid time off, and other company-sponsored programs (all benefits are subject to eligibility requirements).

As a federal contractor, DeMase Technical Services will not discharge or in any other manner discriminate against employees or applicants because they inquire about, discuss, or disclose their own pay or the pay of another employee or applicant; however, employees who have access to compensation information as part of their essential job functions may not disclose such information to individuals who do not otherwise have access, unless the disclosure is:

In response to a formal complaint or charge
In furtherance of an investigation, proceeding, hearing, or action
Consistent with the Company’s legal duty to furnish information

Pay: $80,000.00 - $160,000.00 per year

Benefits:

401(k)
Dental insurance
Employee assistance program
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Referral program
Retirement plan
Vision insurance

Work Location: In person

Quick Apply

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