• COLSA Corporation (Fort Belvoir, VA)
    …hire date + Strong knowledge base preferred in the areas of: real-time security situational awareness, operational network systems , and security monitoring ... temporary position with employment expected to last approximately 10 months. Principal Duties and Responsibilities (*Essential Functions): + Applies knowledge of … more
    DirectEmployers Association (10/25/25)
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  • Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career-driven ** Principal Cyber Security Systems Engineer** to join our team in **Chantilly, VA** . This role ... high-performing systems across mission environments. **Responsibilities** + The Principal Cyber Security Engineer will design, implement, and maintain… more
    ManTech (10/28/25)
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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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  • Senior Principal Cyber

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer** to join our team in the **Chantilly, VA.** ... of degree + 10+ years of experience in a cyber role + Experience with Security Information...Management (SIEM) platforms, and/or Splunk + Knowledge of Linux systems administration, general operating system security practices,… more
    ManTech (10/24/25)
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  • Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career-oriented ** Principal Cyber Security Engineer** to join our dynamic team in **Chantilly, VA** . In this role, you ... will lead cyber solution development and deployment in support of mission-critical...technical team dedicated to securing our nation's most sensitive systems . **Responsibilities:** + Maintain and support Identity and Access… more
    ManTech (10/21/25)
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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 (10/18/25)
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  • Principal Cyber Software Engineer

    Northrop Grumman (Mclean, VA)
    …they're making history. Northrop Grumman Defense Systems has an opening for a Principal Cyber Software Engineer. We are looking for you to join our team ... as a Principal Cyber Software Engineer based out of...This role offers an exciting opportunity to influence the security posture of our software systems while… more
    Northrop Grumman (10/26/25)
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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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  • Sr. Principal Cyber Software…

    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 (10/21/25)
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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 (10/23/25)
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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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  • Cyber Intrusion Detection System…

    General Dynamics Information Technology (Washington, DC)
    …Description:** CYBERSECURITY ANALYST PRINCIPAL Advance your career while impacting our national security in cyber as a Cybersecurity Analyst Principal at ... MEANINGFUL WORK AND PERSONAL IMPACT As a Cybersecurity Analyst Principal , the work you'll do at GDIT will be...systems . Networks, and data. * Lead/Manage/Support our customers cyber tool stack and ability to implement defensive rules.… more
    General Dynamics Information Technology (10/25/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to manage ... package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer) to join our...VLAN/LAN/WAN environment + Experience in installation and testing of security patches and cyber security more
    Saliense Consulting (10/01/25)
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  • Data Protection and Security

    Highmark Health (Washington, DC)
    …:** Highmark Health **Job Description :** **JOB SUMMARY** The Data Protection and Security - Principal Architect is a leadership role responsible for defining, ... ensuring responsible data handling practices. The Data Protection and Security - Principal Architect is responsible for...Expertise: Serve as the subject matter expert on data security and protection best practices for AI/ML systems more
    Highmark Health (09/13/25)
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  • Senior 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 (10/23/25)
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