ClearMatch
    ← Back to all states

    Cleared jobs in Illinois.

    418 active postings that name a security clearance or Public Trust requirement. Northrop Grumman is hiring the most of them, and St. Louis area holds the largest share of the work. Rebuilt daily from GovCon career pages.

    Employers with indexed openings in Illinois include Northrop Grumman, CACI, and Leidos. Compare the individual postings for duties and security requirements. Read the market context.

    Who’s hiring

    Where the work is

    • St. Louis area142

    Clearance mix

    • Secret300
    • Top Secret72
    • Public Trust30
    • TS/SCI16

    Open cleared jobs in Illinois

    Illinois's defense market and your job search

    Defense spending in Illinois

    The Office of Local Defense Community Cooperation reports approximately $11.1 billion in defense spending in Illinois for fiscal year 2024, including $8.3 billion in contract obligations. Total spending includes contracts, grants and personnel payroll. This historical spending measure provides economic context; it does not measure current vacancies or the number of jobs requiring a clearance.

    Sources: OLDCC Defense Spending by State, FY 2024, summary table

    Roles in this hiring snapshot

    Examples from the postings shown here include Mid-Level Software and Database Developer (Hybrid)(Secret Clearance), Senior Database Migration Engineer (Hybrid) (Secret Clearance), and Cybersecurity Specialist (Secret Clearance Required). These are a sample of the indexed openings. Compare each employer's description for the worksite, required experience, clearance eligibility and any polygraph requirement.

    Sources: Mid-Level Software and Database Developer (Hybrid)(Secret Clearance); Senior Database Migration Engineer (Hybrid) (Secret Clearance); Cybersecurity Specialist (Secret Clearance Required)

    Background sources reviewed by ClearMatch on .

    Cleared work in Illinois, answered

    Which security requirements appear in cleared jobs in Illinois?
    Secret is the most common requirement, on 300 of the 418 active cleared postings we track in Illinois. The full mix runs Secret (300), Top Secret (72), Public Trust (30), TS/SCI (16).
    Which employers are hiring cleared talent in Illinois?
    Northrop Grumman (93 open), CACI (53 open), Leidos (38 open), Trace Systems (24 open), C3EL (20 open). These come straight from each employer's own careers site, so the counts move daily.
    Where in Illinois is cleared work concentrated?
    St. Louis area (142). Postings without a resolvable metro are counted in the state total but not broken out here.
    How often is this list of cleared jobs in Illinois updated?
    ClearMatch rebuilds this directory daily from GovCon career pages. It includes postings with security clearance or Public Trust requirements. Public Trust is a background investigation, not a security clearance. The update date below identifies the current snapshot.

    Updated October 8, 2026