• Principal Cyber / Systems

    Northrop Grumman (Dulles, VA)
    …the Tactical Space organization. This position will be in **Dulles, VA.** This Cyber Systems Security Engineering position requires demonstrated technical ... subsystem. + Performing Attack Surface Analysis (ASA) and preparing Systems Security Plan (SSP) documentation for complex...terrestrial systems . + For space segments, the Principal Cyber SSE supports design and implementation… more
    Northrop Grumman (05/30/25)
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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 offers the ... + Understanding of defensive cyber operations + Ability to apply security design principles across systems and enterprise architecture + Basic understanding… more
    ManTech (06/25/25)
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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 OR Denver, CO.** ... 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 (05/20/25)
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  • Principal Cyber Security

    ManTech (Chantilly, VA)
    **Mantech** seeks a motivated and customer-focused ** Principal Cyber Security Engineer** to join our team in **Chantilly, VA** . In this role, you will help ... . Bachelor's degree, or an additional 4+ years of cyber experience in lieu of a degree . 7+...or data centers . Experience deploying and/or supporting enterprise security software such as firewalls, intrusion prevention systems more
    ManTech (06/28/25)
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  • Principal Cyber Engineer

    Leidos (Chantilly, VA)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Cyber Engineer to join a new cyber security ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics...or Ansible. **Favorable if you have:** + Certified Information Systems Security Professional (CISSP). + GIAC … more
    Leidos (06/30/25)
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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 ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our… more
    Nightwing (04/25/25)
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  • Principal Cyber Engineer

    Leidos (Chantilly, VA)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Cyber Engineer to join a new cyber security ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics...program and play a key role in supporting government-critical systems . You will be part of a program that… more
    Leidos (06/28/25)
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  • Principal /Senior Principal

    Northrop Grumman (Chantilly, VA)
    …continued O&M of existing systems . This position can be hired at a Principal Software Engineer or Sr. Principal Software Engineer level. ** Principal ... 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 (05/28/25)
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  • Pr. Cyber Software Security

    Northrop Grumman (Dulles, VA)
    …demonstrate ability to work independently is essential. **Additional Responsibilities for a Principal Cyber /Software Security Assurance Engineer include:** + ... independent, technical contributor in an Agile engineering environment, where the Cyber Systems Engineer may identify and prioritize security requirements;… more
    Northrop Grumman (05/03/25)
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  • Senior Cyber Network Engineer

    CACI International (Chantilly, VA)
    …Type of Travel: Local * * * **The Opportunity:** Join our team as a Senior Principal Cyber Network Engineer in Chantilly, VA where you will be responsible for ... load balancers) + Solid understanding of Windows and Linux systems , general operating system security practices, TCP/IP...on a computer screen _Desired:_ + Understanding of federal Cyber Security Guidance (eg, NIST SP 800-37,… more
    CACI International (06/23/25)
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  • Principal Systems Engineer

    SAIC (Chantilly, VA)
    …Intel Business Group, USG Mission and Information Technology Division, is seeking a ** Principal Systems Engineer** to provide technical expertise and guidance to ... document mission solution architecture and interfaces. + Comply with Risk Management (ie, cyber security ) Framework to ensure that the program addresses and… more
    SAIC (06/26/25)
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  • Principal Systems Administrator

    Leidos (Chantilly, VA)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Systems Administrator to join a new cyber security ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics...program and play a key role in supporting government-critical systems . You will be part of a program that… more
    Leidos (06/28/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must be ... cyber capabilities to address emerging threats. We are seeking a Principal Systems Engineer to assess, design, and develop automated cloud-based requirements… more
    Shuvel Digital (06/26/25)
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  • Systems Engineer Principal

    SAIC (Chantilly, VA)
    …that are critical to achieving our customers' missions SAIC is looking for a Systems Engineer to support a highly dynamic and growing program with one of our ... a large multi-year contract that supports our customer in systems engineering and integration across a broad portfolio of...the customer execute real world missions that impact National Security on a daily basis. This close relationship, along… more
    SAIC (06/23/25)
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  • Principal Integration Engineer

    Leidos (Chantilly, VA)
    …Sector is seeking a skilled Principal Integration Engineer to join a new cyber security program and play a key role in supporting government-critical ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics...systems . You will be part of a program that… more
    Leidos (06/30/25)
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  • Principal Classified Cybersecurity Analyst…

    Northrop Grumman (Dulles, VA)
    …The Northrop Grumman Classified Solutions team is seeking experienced **Information Systems Security Professionals** across the country to support information ... of risks and supports obtaining certification and accreditation of systems . Includes support of process, analysis, coordination, security...The ideal candidate will have a Bachelor's degree in Cyber Security , a CASP CE, and 6… more
    Northrop Grumman (06/25/25)
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  • Principal Cybersecurity Analyst

    Northrop Grumman (Chantilly, VA)
    …**Preferred Qualifications:** + The ideal candidate will have a Bachelor's degree in Cyber Security and 3+ years of Risk Management Framework experience. + ... is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure...the best work of your career. Northrop Grumman Mission Systems is seeking a Principal Cybersecurity Analyst… more
    Northrop Grumman (06/09/25)
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  • System Engineer Principal Uscybercom SETA…

    Sciolex Corporation (Chantilly, VA)
    …that surpasses the epitome of excellence. Our core services include systems engineering technical advice, technical support, and administrative assistance. From our ... Directorate (MID). Sciolex is seeking to fill an opening for a Systems Engineering and Technical Assistance (SETA) USCYBERCOM Outreach Representative. The customer… more
    Sciolex Corporation (04/16/25)
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  • Principal Solutions Architect

    Parsons Corporation (Centreville, VA)
    …using containerization (Docker/Kubernetes). + Evaluate robust authentication, authorization, and security in systems best practices. + Contribute to ... 75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services… more
    Parsons Corporation (06/13/25)
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  • Hardware Reverse Engineer (Jr., Senior,…

    Parsons Corporation (Centreville, VA)
    …for automating reverse engineering and exploit development + Create and develop novel security applications for embedded systems + Quickly isolate areas of ... 75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services… more
    Parsons Corporation (04/25/25)
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