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Northrop Grumman Corporation is a premier American Fortune 100 global aerospace, defense, and security technology company.
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703-280-2900
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If you are a job applicant or a new hire onboarding with Northrop Grumman, do not call the main corporate switchboard to check on security documents or background check updates. For electronic security questionnaires (like e-QIP / eApp), navigate your personal Workday portal to track submission status directly. ESSS Security / Clearance (Help Desk): +1 855-737-8364.
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