• 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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  • 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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  • AI Cybersecurity Engineer Principal

    General Dynamics Information Technology (Fairfax, VA)
    …career while impacting our national security in cyber as an **AI Cybersecurity Engineer Principal ** at GDIT. Here, technologists have many paths to grow a ... to Obtain:** None **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Cybersecurity,Information Security,Information Technology… more
    General Dynamics Information Technology (12/17/25)
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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 ... solutions. Key Responsibilities: + To protect the interests of national security, cyber incidents must be coordinated among and across DoD organizations and sources… more
    Concurrent Technologies Corporation (01/08/26)
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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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  • 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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  • Principal Civil Roadway & Highway…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** **Join Parsons Corporation as a Principal -Level Roadway & Highway Design Engineer ** Are you an experienced ... is seeking a dynamic and seasoned professional to join our team as a Principal -Level Roadway & Highway Design Engineer . This is an exciting opportunity for… more
    Parsons Corporation (12/11/25)
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  • Principal Process Engineer

    Parsons Corporation (Centreville, VA)
    …your full potential. Unleash your talent and redefine what's possible. **Job Description:** ** Principal Process Engineer - Wastewater Systems - Los Angeles, CA** ... **OPPORTUNITY** : The **Wastewater Principal Process Engineer ** provides technical leadership and project management accountability for process engineering in… more
    Parsons Corporation (10/30/25)
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  • Principal Elasticsearch Systems…

    Leidos (Bethesda, MD)
    …a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... **Join us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an Agile team… more
    Leidos (10/30/25)
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  • Principal HPC Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    Are you a Principal HPC Software Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like a ... 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 HPC Software Engineer on one of… more
    GliaCell Technologies (11/21/25)
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