• Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …best work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team ... located 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,… more
    Northrop Grumman (10/21/25)
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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 ... program-related meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal more
    Northrop Grumman (11/21/25)
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  • Senior Principal Cyber

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

    BCMC (Dulles, VA)
    …(CKAD), Certified Kubernetes Administrator (CKA), or Certified Kubernetes Security Specialist (CKS) DOM-TO9-3495 Software Engineer - Principal I - ESW05 Our ... BCMC provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' most… more
    BCMC (01/06/26)
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  • Full Stack Developer, Software

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical… more
    Nightwing (01/07/26)
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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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  • 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 ... including but not limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have… more
    Northrop Grumman (01/01/26)
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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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  • Unified Communications Engineer

    Amentum (Warrenton, VA)
    …, Security, & Intel space? If so, look no further. Amentum is seeking a Principal Unified Communications Engineer to join our team of passionate individuals in ... for transformative change. **Responsibilities:** The duties and responsibilities of the Principal Unified Communications Engineer include, but are not limited… more
    Amentum (12/11/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    …**Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (01/09/26)
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  • Acquisition Systems Engineer Senior…

    SAIC (Chantilly, VA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We ... part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) in acquisition and… more
    SAIC (11/21/25)
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  • Digital Signal Processing Engineer

    Parsons Corporation (Chantilly, VA)
    …Parsons Company, is seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA. We are currently ... application, eg, audio, communications, radar, etc.] + Implement DSP algorithms in software and/or hardware using programming languages such as C, C++, MATLAB,… more
    Parsons Corporation (10/21/25)
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  • Principal Software Developer

    General Dynamics Information Technology (Fairfax, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** Job Description ** Principal Software Developer** We value: - Writing code rather than ... for you + Lead a team of Developers to engineer and develop software to solve complex...worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we… more
    General Dynamics Information Technology (10/31/25)
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  • Field Engineer

    Parsons Corporation (Sterling, VA)
    …of systems, supporting installation, maintenance, and field-related sustainment work worldwide. Field Engineer , Associate Principal : BS 10-12, MS 8-10, Phd 5-7 ... Description:** Parsons is looking for an amazingly talented **Field Engineer ** to join our team! In this role, you...logistical work + Participate in testing and evaluation of software and hardware upgrades at the warehouse laboratory and… more
    Parsons Corporation (12/23/25)
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  • AWS Full Stack Infrastructure Engineer

    BCMC (Dulles, VA)
    …(FSA) for dependent & health care 11 standard holidays & 3 weeks of annual leave DOM-TO9-3501 Software Engineer - Principal I - ESW05 Powered by JazzHR ... to sustain and operate a network operations environment, including introducing new cyber capabilities to address emerging threats. BCMC is seeking a skilled Full… more
    BCMC (01/06/26)
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  • Information System Security Engineer

    SAIC (Mclean, VA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We ... **Description** SAIC is seeking an **Information System Security Engineer (ISSE)** to provide information security support. This position is in **McLean, VA** and… more
    SAIC (01/14/26)
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  • AWS Full Stack Engineer

    BCMC (Dulles, VA)
    …dependent & health care 11 standard holidays & 3 weeks of annual leave DOM-TO9-3498 DOM-TO9-3499 Software Engineer - Principal I - ESW05 Powered by JazzHR ... to sustain and operate a network operations environment, including introducing new cyber capabilities to address emerging threats. We are seeking a skilled Full… more
    BCMC (01/06/26)
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