Jr. System Administrator

Sorry, this job was removed at 08:18 p.m. (CST) on Monday, Jul 21, 2025
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O'Fallon, IL
In-Office
50K-90K Annually
Information Technology • Software
The Role

JOB SUMMARY:
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:

  • HS diploma and 1 year of overall related experience or education in lieu of experience

  • 1 year of experience in customer service environment

  • Must hold an active US Secret Security clearance with the ability to obtain a TS clearance

  • Hold an active Sec+ certification

  • 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

Original Posting:June 17, 2025

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 $50,050.00 - $90,475.00

The Leidos pay range for this job level is a general guideline only and 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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The Company
Alexandria, VA
27,104 Employees

What We Do

We Are Leidos

For 50 years we have been tackling some of the biggest problems that face our nation and our world.

OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.

Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.

Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.

Your most important work is ahead.

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