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Senior Linux Network Administrator Jobs (NOW HIRING)

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our ... Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO ...

As a Senior System Administrator, you will work alongside customers, Integrated Product Teams (IPTs ... network devices, etc. * Configure and manage Linux, and possibly Windows operating systems ...

As a Senior System Administrator, you will work alongside customers, Integrated Product Teams (IPTs ... network devices, etc. * Configure and manage Linux, and possibly Windows operating systems ...

ORA_ON_SITE Description  SAIC is recruiting for a Senior Linux Systems Administrator to join our ... Experience managing software scalable network file systems and centralized storage appliances.

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Senior Linux Network Administrator information

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How much do senior linux network administrator jobs pay per hour?

As of Jun 6, 2026, the average hourly pay for senior linux network administrator in the United States is $53.34, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $57.69 per hour, depending on experience, location, and employer.

What is the difference between Senior Linux Network Administrator vs Linux Network Engineer?

AspectSenior Linux Network AdministratorLinux Network Engineer
CertificationsCCNA, Linux+, Cisco certificationsCCNA, Linux+, Cisco certifications
Work EnvironmentData centers, enterprise networks, IT departmentsNetwork design, implementation, troubleshooting in similar environments
Primary FocusManaging and maintaining existing Linux-based networksDesigning and deploying new Linux network solutions

Both roles require similar certifications and work in enterprise environments, but the Senior Linux Network Administrator focuses on maintaining and supporting existing networks, while the Linux Network Engineer emphasizes designing and implementing new network solutions.

What cities are hiring for Senior Linux Network Administrator jobs? Cities with the most Senior Linux Network Administrator job openings:
What are the most commonly searched types of Linux Network Administrator jobs? The most popular types of Linux Network Administrator jobs are:
Infographic showing various Senior Linux Network Administrator job openings in the United States as of May 2026, with employment types broken down into 1% Internship, 42% Full Time, 50% Part Time, 1% Temporary, and 6% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $110,947 per year, or $53.3 per hour.
Senior Linux System Administrator

Senior Linux System Administrator

General Dynamics Information Technology

Stennis Space Center, MS • On-site

$90K - $123K/yr

Full-time

Posted 5 days ago


General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 62 frontline employees who took The Breakroom Quiz

70th of 203 rated it services


Job description

REQ#: RQ215945Public Trust: None Requisition Type: Regular Your Impact

Own your opportunity to work alongside federal civilian agencies. Make an impact by providing services that help the government ensure the well being and support of U.S. citizens.

Job Description

Senior Linux System Administrator

The position is for the Senior Linux System Administrator responsible for the servers that process data from a global network of buoys, managed by the National Data Buoy Center (NDBC). This position is located at the NDBC facility at the Stennis Space Center in Mississippi.

Responsibilities:

Participate in a rotation to provide 24x7x365 on-call support for the primary IT mission essential data processing, applications, and functions to support the continuity of operations of the NDBC information system.

Support IT architecture improvements to ensure continuity of operations for primary mission essential functions and the flow of data.

Support the annual NDBC IT Assessment and Authorization (A&A) audits through security patching and security-minded configuration updates; actively address changes needed as a result of Plan of Action & Milestones (POAM) requirements; help ensure NDBC maintains its Authority to Operate (ATO).

Maintain all Linux-based servers and clients located on premises and in an AWS cloud environment. o Follow system administration best practices.

o Patch and configure systems in compliance with NOAA security requirements.

o Upgrade operating systems in advance of end-of-support dates.

o Support software development efforts.

o Deploy software application updates for both COTS as well as internal applications.

o Plan and implement migration of local systems to a cloud environment, where possible, in a cost-effective manner.

o Ensure reliable system and data backups.

o Manage/maintain server certificates.

o Maintain Red Hat Enterprise Linux subscriptions.

o Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.

Communicate/brief upcoming maintenance efforts and/or anticipated impacts to stakeholders.

Implement strategies to automate routine administration tasks.

Maintain and monitor data center environmental equipment.

Education Requirements: Bachelors of Computer Science, Information Systems, or equivalent. Experience may be considered as an equivalent.

Requirements:

8 years or more experience preferred in the installation/configuration, operation, and maintenance of IT system hardware and software and related IT infrastructure.

Demonstrated advanced knowledge and experience supporting Red Hat Linux, Apache, Tomcat, drivers, applications, vulnerabilities, security requirements and postures, quarterly STIG updates.

Knowledge of AWS solutions and migration of Linux systems is considered a plus.

An understanding of programming languages, such as Java, Python, PHP, and Perl.

Experience in installing and maintaining system hardware, operating systems, software systems, network systems, security systems.

Experience applying OS patches and upgrades on a regular basis, and upgrades of administrative tools and utilities; configuring, adding, and removing services as necessary.

Experience implementing automation to streamline recurring system administration tasks is highly preferred; experience with scripting languages.

Experience with AWS lamda, containers, EC2 instances is desirable.

Able to work autonomously and take initiative in identifying areas for improvements and proposing solutions.

Able to communicate effectively with coworkers and stakeholders.

Must be able to successfully complete a NOAA (Stennis Space Center)/NASA background investigation for site/system access.

Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship or a valid Green Card is required for facility credentials/authorization at this work location.

Work Requirements
Years of Experience

8 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification
Travel Required

None

Salary and Benefit Information

The likely salary range for this position is $90,950 - $123,050. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans


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About General Dynamics Information Technology

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GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US