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Full Time Junior System Administrator Jobs (NOW HIRING)

Leidos

Jr. System Administrator

O Fallon, IL · On-site

$50K - $91K/yr

Leidos is seeking a candidate to fill a Junior System Administration position supporting DISA's GSM-O contract at Scott AFB, IL. The System Administrator is responsible for protecting DISA ...

Leidos

Jr. System Administrator

O Fallon, IL · On-site

$50K - $91K/yr

Leidos is seeking a candidate to fill a Junior System Administration position supporting DISA's GSM-O contract at Scott AFB, IL. The System Administrator is responsible for protecting DISA ...

PCI

Junior Systems Administrator

Norman, OK · Hybrid

The Junior System Administrator is responsible for, implementing, and maintaining the company's IT infrastructure to ensure optimal performance, security, and reliability. This role involves working ...

DeepHealth

Junior System Administrator

Greenville, SC · On-site

$60K - $65K/yr

Job Summary The Junior System Administrator is responsible for managing, maintaining, monitoring, and improving the organization's enterprise storage and backup environments. This role ensures the ...

Dossani Paradise Management

Be Seen First

Junior System Administrator

Grapevine, TX · On-site

$36K - $42K/yr

We are seeking a Junior Systems Administrator to assist in providing operational support for our technology department as our organization scales to more locations. This role is responsible for the ...

Veteran-friendly

Urgent

Astreya

Jr. System Administrator

Cupertino, CA · On-site

$31.79 - $50.19/hr

The System Administrator is expected to facilitate operational support to and on behalf of the ... Astreya offers comprehensive b enefits to all Regular, Full-Time Employees, including: * Medical ...

PCI

Junior Systems Administrator

Norman, OK · On-site

The Junior System Administrator is responsible for, implementing, and maintaining the company's IT infrastructure to ensure optimal performance, security, and reliability. This role involves working ...

Astreya

Jr. System Administrator

Cupertino, CA · On-site

$31.79 - $50.19/hr

The System Administrator is expected to facilitate operational support to and on behalf of the ... Astreya offers comprehensive b enefits to all Regular, Full-Time Employees, including: * Medical ...

Prescient Edge

Junior System Admin

Kiln, MS · On-site

Job Title Junior System Admin Location Stennis, MS 39556 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Career Level Staff Education None Travel Security Clearance ...

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Full Time Junior System Administrator information

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$33K

$63.2K

$86K

How much do full time junior system administrator jobs pay per year?

As of Sep 7, 2026, the average yearly pay for full time junior system administrator in the United States is $63,244.00, according to ZipRecruiter salary data. Most workers in this role earn between $52,500.00 and $73,000.00 per year, depending on experience, location, and employer.

What is the difference between Full Time Junior System Administrator vs Network Support Technician?

AspectFull Time Junior System AdministratorNetwork Support Technician
CertificationsCompTIA A+, Network+; basic Linux/Windows knowledgeCompTIA A+, Cisco CCNA (sometimes)
Work EnvironmentIT departments, data centers, corporate officesHelp desks, network operations centers, client sites
ResponsibilitiesManage servers, user accounts, troubleshoot system issuesMaintain network hardware, troubleshoot connectivity problems

The Full Time Junior System Administrator typically handles server management, user accounts, and system troubleshooting within an organization's IT infrastructure. In contrast, a Network Support Technician focuses more on maintaining network hardware and resolving connectivity issues. Both roles require similar certifications and often work in similar environments, but their core responsibilities differ, with the system administrator managing broader IT systems and the technician specializing in networks.

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Full Time Junior System Administrator jobs near you
Infographic showing various Full Time Junior System Administrator job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $63,244 per year, or $30.4 per hour.

Jr. System Administrator

Leidos

O Fallon, IL • On-site

$50K - $91K/yr

Full-time

Posted 11 days ago

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

81st of 500 rated business services

Job description

Leidos is seeking a candidate to fill a Junior System Administration position supporting DISA's GSM-O contract at Scott AFB, IL. The System Administrator is responsible for protecting DISA's information and information systems from unauthorized access, use, disclosure, disruption, modification, perusal, inspection, recording and destruction.

PRIMARY RESPONSIBILITIES:

  • The candidate must be able to work independently to maintain the smooth operation of a multi-user computer systems, including coordination with customer and other administrators.

  • Communicate policies and procedures to customers

  • Update digital systems to provide insight to ongoing efforts and tickets

  • Monitor alarm systems

  • Perform basic level system administrator duties.

  • Interacts with users and evaluates vendor products.

  • Creates, maintains, and implements detailed documentation and maintains standard operating procedures.

  • Provides support on a M-F business hours schedule, also responsible for on-call, extended hour, and weekend support as required by mission or emergency situations.

  • System monitoring using installed tools as well as external tools.


BASIC QUALIFICATIONS:

  • BA Degree and less than 2 years of experience. Experience may be accepted in lieu of degree.

  • 1 year of experience in customer service environment

  • Must be able to gain an INTERIM SECRET security clearance prior to start.

  • Complete DoD 8750 certification e.g. Security+ within 6 months of start date.

  • Basic Understanding of Scripting Languages

PREFERRED QUALIFICATIONS:

  • Additional training, education, or certification in IT related programs

  • Experience with a ticketing system

  • Experience working with virtual environments.

GSMO

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:August 27, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $50,700.00 - $91,650.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

Social media

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