• Cyber Threat Hunter

    Leidos (Stennis Space Center, MS)
    …of the Enterprise **Basic Qualifications:** + The candidate must possess an active Top Secret / SCI Clearance. In addition to clearance requirement, all ... patterns and anomalies in data that are not immediately obvious. The Department of Homeland Security (DHS), Network Operations Security Center (NOSC) Cyber… more
    Leidos (07/02/25)
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  • Incident Response Lead

    Leidos (Stennis Space Center, MS)
    …analytical and troubleshooting skills. + Must be a US Citizen. + Must hold active TS / SCI security clearance to be considered Preferred Qualifications + Deep ... analysis, application development, and a 24x7x365 support staff. Department of Homeland Security (DHS), Security Operations Center (SOC) Support Services is… more
    Leidos (06/10/25)
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  • Operations Technician II - Pub SEC

    Lumen (Jackson, MS)
    …Look For in a Candidate** + This position requires the ability to obtain a Top Secret / SCI clearance. + Work experience (6 years experience in ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...a challenging, hands on environment supporting the Department of Homeland Security (DHS), and other specialized customers… more
    Lumen (08/26/25)
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  • Senior Software Developer

    ManTech (Stennis Space Center, MS)
    …and performs systems software development that will operate in the Department of Homeland Security (DHS) enterprise network and on DHS devices. + Collaborates ... develop updates to existing applications, and build in cyber security to reduce the attack surface + Coordinates and...clearance with the ability to obtain and maintain a TS / SCI . + The ability to obtain and… more
    ManTech (06/28/25)
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