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Jr. System Administrator

Leidos
  • O'Fallon, Illinois
    18 days ago
    Leidos

    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 hold an active 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:

    September 24, 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 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.

    Numbers & Facts

    LocationO'Fallon, Illinois
    IndustryEngineering Services
    Company Size10,000 employees or more
    Year Founded1969
    Websitehttp://leidos.com/

    About Company

    Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

    Skills

    • Administrative Skillsunmatched
    • Computer Systemsunmatched
    • Customer Support/Serviceunmatched
    • Defense Information Systems Agency (DISA)unmatched
    • Documentation Standardsunmatched
    • GSM (Global System for Mobile Communications)unmatched
    • Information Technology & Information Systemsunmatched
    • Legalunmatched
    • Multi-User Systemsunmatched
    • On Callunmatched
    • Product Testingunmatched
    • Scripting (Scripting Languages)unmatched
    • Secret Clearanceunmatched
    • Security Clearanceunmatched
    • Standard Operating Procedures (SOP)unmatched
    • Systems Administration/Managementunmatched
    • Systems Maintenanceunmatched
    • Vendor/Supplier Evaluationunmatched
    • Well Installationunmatched

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