• Principal OR Sr. Principal Computational Physicist

    Northrop Grumman (Jessup, MD)
    …Relocation assistance may be available CLEARANCE TYPE: A US Government security clearance per customer's requirements. TRAVEL: Yes, 10% of the Time ... be a US Citizen. + Ability to obtain and maintain a US Government security clearance per business requirements. **Basic Qualifications for a Sr. Principal… more
    Northrop Grumman (12/05/25)
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  • Senior Systems Integration Engineer

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Systems Integration Engineer** in our **National Security Sector's (NSS) Cyber & ... Parental Paid Leave, and much more. **Join us and make a difference in National Security !** **Job Summary** As a Senior Systems integration Engineer you will be… more
    Leidos (12/03/25)
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  • Cyber Security Engineer (SME)

    Leidos (Bethesda, MD)
    …level + **To be considered must have an active TS/SCI with polygraph security clearance ** **Preferred Qualifications** + Experience with additional security ... information systems and networks from potential cyber-attacks. The Cyber Security Engineer must display an excellent understanding of technology and utilization… more
    Leidos (11/28/25)
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  • Sustainment Model Based Systems Engineering…

    ACE Consulting Group, LLC (Lexington Park, MD)
    …(RIGBS-P) across the weapon system's technical baselines, utilizing Model Based Systems Engineering (MBSE)/SysML and various modeling and simulation tools. ... should have experience working in a dynamic, schedule constrained, and complex security environment. Clearance Requirement: DoD Top Secret clearance .… more
    ACE Consulting Group, LLC (11/18/25)
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  • Systems Network Administrator (SNA-0)

    Leidos (Laurel, MD)
    …(5) years of relevant systems administration experience is required. + ** Security Clearance Requirement** : Candidates must possess an active **TS/SCI** with ... **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (09/20/25)
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  • OCI Security Engineer Intern - OVIP

    Oracle (Annapolis, MD)
    …Qualifications: + A minimum of 3+ years of experience in application security , product security , or systems security . + A BS or MS in Computer ... verbal communication skills, strong analytical and problem-solving skills. + Active TS/SCI security clearance . US Veteran transitioning from active service or… more
    Oracle (11/25/25)
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  • Security Engineer

    CACI International (College Park, MD)
    …in transit. . Conduct threat modeling and risk assessments to improve the security posture of systems and applications. . Assist in the development of ... implementing security best practices. . Implement and manage security technologies including firewalls, intrusion detection/prevention systems (IDS/IPS),… more
    CACI International (11/08/25)
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  • Senior Systems Engineer

    Leidos (Gaithersburg, MD)
    …+ Expert Systems Engineering Professional (ESEP), INCOSE Certified Systems Engineering Professional (ESEP), CISSP, Security + certification, or similar ... **Description** Leidos National Security Sector combines technology-enabled services and mission software...is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate… more
    Leidos (11/22/25)
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  • Senior Systems Administrator 10k sign…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... Parental Paid Leave, and much more. **Join us and make a difference in National** ** Security !** As a Senior Systems Administrator you will play a vital role in… more
    Leidos (11/15/25)
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  • Systems Network Administrator (SNA-2)

    Leidos (Laurel, MD)
    …higher, such as Microsoft certifications, Red Hat, Sun, VMWare, COMPTIA, etc. + ** Security Clearance ** : Active TS/SCI with Polygraph required to be considered ... **Description** **Leidos** has a new and exciting opportunity for a ** Systems Network Administrator** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (11/18/25)
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