• Principal Cyber Security

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven ** Principal Cyber Security Systems Engineer** to join our team in **Chantilly, VA** . This role offers an ... work closely with cross-functional teams to ensure secure, scalable, and high-performing systems . You will help design, implement, and maintain secure and scalable … more
    ManTech (10/09/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Fairfax, VA)
    Cyber Systems Engineer level. **Basic Qualifications for a Principal Cyber Systems Engineer:** + A security clearance is not required at the ... training to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer:** + A security clearance is not required at the… more
    Northrop Grumman (08/22/25)
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  • Principal or Senior Principal

    Northrop Grumman (Annapolis, MD)
    …of the best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems ... **Responsibilities:** + Design, develop, and implement cyber security solutions to safeguard the organization's systems ...contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or… more
    Northrop Grumman (10/04/25)
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  • Principal or Senior Principal

    Northrop Grumman (Annapolis, MD)
    …most impactful work of your career. We are looking for you to join our team as a Principal Cyber Network Systems Engineer or Senior Principal Cyber ... Responsibilities:** + Design, develop, and implement cyber security solutions to safeguard the organization's systems ...contractors/offices. This requisition may be filled at either the Principal Cyber Network Systems Engineer… more
    Northrop Grumman (09/06/25)
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  • Principal or Senior Principal

    Northrop Grumman (Annapolis, MD)
    …of the best work of your career. We invite you to join our team as a Principal Cyber Software Engineer or Senior Principal Cyber Software Engineer based ... owned software. + Collaborate with cross-functional teams to integrate security best practices into all systems and...decisions. This requisition may be fulfilled at either the Principal Cyber Software Engineer or Senior … more
    Northrop Grumman (09/06/25)
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  • Principal Auditor - Cyber , Risk…

    Capital One (Mclean, VA)
    Principal Auditor - Cyber , Risk and... (application security , network security , cyber security , data protection), information systems ... or Technology Operations, such as Cloud provider certifications, Certified Information Systems Security Professional (CISSP), or Certified Information … more
    Capital One (09/19/25)
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  • Principal Cyber Engineer

    Nightwing (Sterling, VA)
    …collaborative team that supports challenging, meaningful work that is vital to our national security , apply today! ** Principal Cyber Engineer** Cyber ... in the intelligence community, defense, civil, and commercial markets. ** Principal Cyber Engineer** Nightwing provides technically advanced full-spectrum… more
    Nightwing (09/12/25)
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  • Principal Cyber Threat Hunter

    Leidos (Adelphi, MD)
    …Hunter_** . This position will support a large Department of Defense (DOD) Cyber Security Service Providers (CSSP) and is responsible for proactively ... Leveraging a deep knowledge of the threat landscape, the Principal Cyber Threat Hunter will enhance our...with internal and external stakeholders, including IT, network, and security teams, to improve the overall cybersecurity posture of… more
    Leidos (07/19/25)
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  • Principal Cyber Software Engineer

    Concurrent Technologies Corporation (Columbia, MD)
    Principal Cyber Software Engineer Concurrent Technologies Corporation Client Site - Columbia, MD area Minimum Clearance Required: TS/SCI with Fullscope Poly ... Lower-level computing language/principles, especially debugging Assembly + Experience with Cyber Security research, especially malware anti-debugging, detection… more
    Concurrent Technologies Corporation (08/07/25)
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  • Sr. Principal Cyber Software…

    Northrop Grumman (Washington, DC)
    …this mission, Northrop Grumman Defense Systems sector is seeking a **Sr. Principal Cyber Software Engineer** to join our team of qualified, diverse ... evaluate vendor products, services, and suggestions. + Adhere to strict Information Systems security guidelines in all cases. **Basic Qualifications:** +… more
    Northrop Grumman (10/04/25)
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  • Principal Cyber Software Engineer…

    Northrop Grumman (Annapolis Junction, MD)
    …Northrop Grumman. We are looking for you to join our team as a Sr Principal Cyber Software Test Engineer based out of Annapolis Junction, MD. **What You'll ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (08/31/25)
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  • Cyber Software Test Engineer/…

    Northrop Grumman (Chantilly, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to… more
    Northrop Grumman (09/25/25)
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  • Sr Principal Cyber Software Engineer

    Northrop Grumman (Chantilly, VA)
    …career. **Northrop Grumman Mission Systems ** is seeking an experienced **Senior Principal Cyber Software Engineer** to join our team supporting a program ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (10/07/25)
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  • Senior Principal Cyber

    BigBear.ai (Herndon, VA)
    Overview BigBear.ai is looking for a Systems Engineer to join our support team. The candidate will work closely with the development team and our customers in the ... embracing Infrastructure as Code principles. + DoD IAT Level II Certification, such as Security + CE, CISSP, or equivalent What we'd like you to have + Basic… more
    BigBear.ai (10/01/25)
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  • Information Systems Security

    Amentum (Fort Meade, MD)
    Security , & Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer** to join our team of passionate ... Information Security , etc. * 15 years of experience as a Cyber Security Engineer or Systems Engineer * Experience presenting technical information to… more
    Amentum (10/01/25)
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  • Senior Principal Information Systems

    Concurrent Technologies Corporation (Columbia, MD)
    Senior Principal Information Systems Security Engineer Concurrent Technologies Corporation Client Site - Columbia, MD area Minimum Clearance Required: TS/SCI ... Key Responsibilities: + To protect the interests of national security , cyber incidents must be coordinated among...within the Federal Government is required + The Information Systems Security Engineer shall perform, or review,… more
    Concurrent Technologies Corporation (08/07/25)
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  • Sr./Pr. Program Cyber Systems

    Northrop Grumman (Dulles, VA)
    …not only part of history, they're making history. This Principal (or Senior Principal ) Cyber Systems Engineer position is for an Information Systems ... communications subsystems and ground software. Prior knowledge and experience applying Cyber /SSE principles to complex systems throughout the system development… more
    Northrop Grumman (10/01/25)
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  • Principal Endpoint Security

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a ** Principal Endpoint Security Systems Engineer** in our **National Security Sector's ... This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering team. The focus of this team… more
    Leidos (08/29/25)
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  • Principal Information Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Information Systems Security Officer (ISSO)** in our **National Security ... for a 15k sign on bonus!** **Job Summary:** The ** Principal ISSO** plays a vital role in securing and...in securing and maintaining the integrity of our information systems through robust security measures and compliance… more
    Leidos (09/04/25)
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  • Sr Principal Security Engineer…

    General Dynamics Information Technology (Washington, DC)
    …** **Module** **(HSM)** Seize your opportunity to make a personal impact as a **Senior Principal Security Engineer for HSM** with GDIT. A career in systems ... in improving how agencies operate. At GDIT, people are our differentiator. As a **Senior Principal Security Engineer for HSM** , you will help ensure today is… more
    General Dynamics Information Technology (10/04/25)
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