• Senior Principal Cyber

    Nightwing (Sterling, VA)
    …customers in the intelligence community, defense, civil, and commercial markets. **Sr. Principal Cyber Engineer ** Nightwing provides technically advanced ... challenging, meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer ** Cyber Offense and Defense Experts (CODEX)… more
    Nightwing (01/09/26)
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  • Principal /Sr. Principal

    Northrop Grumman (Fairfax, VA)
    …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 ... meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal Cyber more
    Northrop Grumman (11/21/25)
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  • Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports ... infrastructures across classified and unclassified environments. You will work alongside cyber experts to develop solutions that enhance network compliance and… more
    ManTech (12/13/25)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment...+ A Bachelor's degree or 4+ additional years of cyber experience in lieu of a degree + 10+… more
    ManTech (12/13/25)
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  • Principal Cyber Software…

    Northrop Grumman (Fort Meade, MD)
    …within Northrop Grumman. We are looking for you to join our team as a ** Principal Cyber Software Engineer ** based out of Annapolis Junction, MD. **What ... Sensing & Secure Solutions Operating Unit is actively seeking a talented SW Engineer to join a Northrop Grumman primed program. This position's work location is… more
    Northrop Grumman (12/16/25)
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  • Sr. Principal Cyber Software…

    Northrop Grumman (Chantilly, VA)
    …work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting ... at a Mission Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be responsible for the design, development,… more
    Northrop Grumman (10/21/25)
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  • Sr Principal Cyber Software…

    Northrop Grumman (Jessup, MD)
    …within 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 ... & Secure Solutions Operating Unit is actively seeking a talented SW Test Engineer expert to join a Northrop Grumman primed program. This position's work location… more
    Northrop Grumman (12/05/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …join our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The ... but not limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an active… more
    Northrop Grumman (01/01/26)
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  • Principal Software Engineer - SIGINT…

    Lockheed Martin (Hanover, MD)
    …with every rumor and whim of contract changes\. **What We're Doing:** Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting ... electronics to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the...of Lockheed Martin to keep the threats at bay\. Cyber | Lockheed Martin **Who We Are:** Are you… more
    Lockheed Martin (01/08/26)
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  • Staff Cybersecurity Analyst / Information Systems…

    Northrop Grumman (Fairfax, VA)
    …to join our diverse team of engineers, system administrators, and operators as a Principal Cyber Systems Engineer professional in Chantilly, VA. The ... successful candidate will be expected to monitor, maintain, and provide Tier-2 and Tier-3 support of a mission critical network infrastructure, collect data for analysis, perform network upgrades, and be able to produce documentation and diagrams of the work… more
    Northrop Grumman (01/10/26)
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  • Information Systems Security Engineer

    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… more
    Amentum (10/23/25)
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  • Principal Systems Engineer - active…

    V2X (Suitland, MD)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi- disciplinary team… more
    V2X (11/15/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of our ... be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible...Experience in installation and testing of security patches and cyber security products. + Hands-on experience designing and supporting… more
    Saliense Consulting (01/06/26)
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  • Elastic Principal Software Engineer

    BCMC (Dulles, VA)
    …Kubernetes Administrator (CKA), or Certified Kubernetes Security Specialist (CKS) DOM-TO9-3495 Software Engineer - Principal I - ESW05 Our Company Overview ... BCMC provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission...intelligence community, defense, civil, and commercial markets. The Elastic Engineer will be a part of a team of… more
    BCMC (01/06/26)
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  • Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    …has a new and exciting opportunity a ** Principal Endpoint Security Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering team. The focus of this team member… more
    Leidos (11/28/25)
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  • UC Engineer - Principal

    Amentum (Fort Meade, MD)
    …new products and processes. **Responsibilities:** The duties and responsibilities of the UC Engineer Principal include, but are not limited to, the following: * ... interested in using your skills to help shape the Cyber , Security, & Intel space? If so, look no...no further. Amentum is seeking an Unified Capabilities (UC) Engineer to join our team of passionate individuals in… more
    Amentum (12/09/25)
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  • Identity and Access Management Senior…

    General Dynamics Information Technology (Washington, DC)
    …you advance your career. Join GDIT as an Identity and Access Management Senior Principal Engineer you will build an impactful career in enterprise IT, ... like you. MEANINGFUL WORK AND PERSONAL IMPACT As an Identity and Access Management Senior Principal Engineer , the work you'll do at GDIT will be impactful to the… more
    General Dynamics Information Technology (11/01/25)
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  • Senior Principal Applications Delivery…

    General Dynamics Information Technology (Washington, DC)
    …our customers operate while you advance your career. Join GDIT as a Senior Principal Applications Delivery Network Engineer and build an impactful career in ... driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a Senior Principal Applications Delivery Network Engineer , the work you'll do at GDIT… more
    General Dynamics Information Technology (11/01/25)
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  • Principal Infrastructure Engineer

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a Principal Integration and Test Engineer to serve in a key role ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (01/09/26)
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  • Principal Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …not apply if you currently do not possess this level of clearance. Are you a Principal Software Engineer who is ready for a new challenge that will launch your ... focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable...amazingly talented people Job Description: GliaCell is seeking a Principal Software Engineer on one of our… more
    GliaCell Technologies (11/10/25)
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