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Junior Linux Systems Administrator Jobs (NOW HIRING)

MANTECH

Linux Systems Administrator

Chantilly, VA · On-site

As a Linux Systems Administrator, you will help maintain and enhance the Sponsor's Linux environment alongside a talented team. You will be responsible for the operating system software and its ...

Barbaricum

Barbaricum is seeking a Linux Systems Administrator to manage and maintain mission-critical systems for TRADOC G2 operations at Fort Eustis, VA. The selected candidate will provide technical ...

MANTECH

Linux Systems Administrator

Chantilly, VA · On-site

As a Linux Systems Administrator, you will help maintain and enhance the Sponsor's Linux environment alongside a talented team. You will be responsible for the operating system software and its ...

MANTECH

Linux Systems Administrator

Chantilly, VA · On-site

As a Linux Systems Administrator, you will help maintain and enhance the Sponsor's Linux environment alongside a talented team. You will be responsible for the operating system software and its ...

L3HHCM20

Lead, Linux Systems Administrator

Jupiter, FL · On-site

Lead, Linux Systems Administrator Job ID: 41008 Job Location: Jupiter, FL Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off We are ...

iPostal1

Linux Systems Administrator

Suffern, NY · Hybrid

We are seeking a Linux Systems Administrator with strong Linux and Bash skills, plus hands-on AWS experience (ASG, EC2, ALB, Route 53, RDS, etc). The ideal candidate will also have solid DBA/DB ...

Peraton

Linux Systems Administrator

Silver Spring, MD · On-site

$86K - $138K/yr

Responsibilities Peraton is seeking a Linux Systems Administrator with an active TS/SAP clearance to join our team supporting mission-critical operations. The ideal candidate will manage, maintain ...

Peraton

Linux Systems Administrator

Silver Spring, MD

$86K - $138K/yr

Responsibilities Peraton is seeking a Linux Systems Administrator with an active TS/SAP clearance to join our team supporting mission-critical operations. The ideal candidate will manage, maintain ...

Peraton

Linux Systems Administrator

Silver Spring, MD · On-site

$86K - $138K/yr

Responsibilities Peraton is seeking a Linux Systems Administrator with an active TS/SAP clearance to join our team supporting mission-critical operations. The ideal candidate will manage, maintain ...

CACI

Linux Systems Administrator

Chantilly, VA

$90K - $189K/yr

Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required:

CACI

Linux Systems Administrator

Mclean, VA · On-site

$90K - $189K/yr

Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required:

Damco Solutions

Linux Systems Administrator

Austin, TX · On-site

Damco Solutions is a company seeking a Linux Systems Administrator. The role involves reviewing vulnerability scans, assessing vulnerabilities on Linux servers, and recommending threat mitigation ...

Astrion

Sr. Linux Systems Administrator

Columbia, MD · On-site

$145K - $165K/yr

Overview Senior Linux Systems Administrator LOCATION: Columbia, MD (Onsite) JOB STATUS: Full-time CLEARANCE: Active Top Secret / TS/SCI (Required) TRAVEL: Less than 10% SALARY RANGE: $145k - $165k ...

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Junior Linux Systems Administrator information

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How much do junior linux systems administrator jobs pay per year?

As of Sep 2, 2026, the average yearly pay for junior linux systems administrator in the United States is $104,900.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,000.00 and $123,500.00 per year, depending on experience, location, and employer.

What does a junior Linux systems administrator do?

As an entry-level employee, a junior Linux systems administrator handles tasks associated with monitoring and maintaining computer system infrastructure for their employer. Your job duties include testing operational changes before code deploys, troubleshooting any technical issues that arise, and creating fixes to address problems. Your responsibilities also include the installation of hardware and software, application updates, and server maintenance. Depending on the size of your company, you may work with a large team of system administrators or with a small contingent of technical teammates.

What are the key skills and qualifications needed to thrive as a junior Linux systems administrator?

To thrive as a Junior Linux Systems Administrator, you need a solid understanding of Linux operating systems, basic networking, and scripting, typically supported by a relevant degree or certifications such as CompTIA Linux+ or LPIC-1. Familiarity with command-line tools, virtualization platforms, version control systems like Git, and monitoring tools is essential. Strong problem-solving skills, attention to detail, and effective communication help you troubleshoot issues and collaborate with IT teams. These skills ensure smooth system operations, quick issue resolution, and reliable IT infrastructure for organizational success.

What are some common challenges faced by junior Linux systems administrators when managing multiple servers?

Junior Linux Systems Administrators often encounter challenges such as handling diverse configurations across servers, ensuring system security, and responding promptly to unexpected outages. Managing updates, patches, and user permissions for several systems can be complex, especially when balancing routine maintenance with urgent troubleshooting. Collaboration with senior administrators and IT support staff is essential for learning best practices and effectively prioritizing tasks in a dynamic environment.

What is the difference between Junior Linux Systems Administrator vs Linux Support Technician?

AspectJunior Linux Systems AdministratorLinux Support Technician
CertificationsLinux+, LPIC-1Linux+, CompTIA A+
Work EnvironmentServer management, system configuration, troubleshootingHelp desk, user support, issue resolution
Employer & IndustryIT departments, data centers, hosting providersIT support firms, internal support teams
Search & Comparison IntentTechnical skills, system administration tasksCustomer support, troubleshooting skills

The Junior Linux Systems Administrator typically handles server management, system configuration, and troubleshooting within IT environments, requiring certifications like Linux+ or LPIC-1. In contrast, a Linux Support Technician focuses more on end-user support, resolving technical issues, and providing customer assistance. While both roles require Linux knowledge, the administrator role is more technical and infrastructure-focused, whereas the technician role emphasizes support and user interaction.

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Junior Linux Systems Administrator jobs near you
Infographic showing various Junior Linux Systems Administrator job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 9% Part Time, 4% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $104,900 per year, or $50.4 per hour.

Linux Systems Administrator

MANTECH

Chantilly, VA • On-site

Full-time

Re-posted 24 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

47th of 247 rated software companies

Job description

MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA.

As a Linux Systems Administrator, you will help maintain and enhance the Sponsor’s Linux environment alongside a talented team. You will be responsible for the operating system software and its seamless integration with hardware and applications across the organization.

Responsibilities include but are not limited to:

  • Planning, testing, installing, integrating, and maintaining new and upgraded versions of the relevant operating systems
  • Building and hardening Linux servers, and establishing configuration baselines while applying all appropriate security and firmware patches in a timely manner
  • Developing test plans/procedures, managing operating system lifecycles, and designing interfaces to external systems
  • Researching, troubleshooting, and resolving operating system problems efficiently by collaborating with application development and network teams
  • Maintaining and updating complex documentation on the operating system configuration and all other areas of responsibility
  • Demonstrating strong communication and collaboration skills to work effectively and proactively across a large organization of dispersed teams

Minimum Qualifications:

  • High School Diploma/GED with 2+ years of progressively responsible experience configuring and maintaining Linux servers in a large, complex server environment
  • Experience working in an organization with complex, intertwined systems, data flows, and applying security patches in a Linux environment
  • Experience creating, maintaining, and communicating complex information technology documentation
  • Experience with domain account management, particularly via Centrify, LDAP, and Active Directory
  • Experience with shell scripting to automate administrative tasks

Preferred Qualifications:

  • Experience scripting with Ansible or similar technologies
  • Experience with the Sponsor’s primary automation and configuration management tools
  • Self-starter with excellent people skills - able to work across teams and drive change throughout an organization

Clearance Requirements:

  • An active TS/SCI with Polygraph is required.

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time to operate a computer and other office productivity machinery.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, and maintain computers in the lab, including under desks and in the server closet.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations and exchanging accurate information.

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