• 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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  • Principle Lead Cyber Engineer

    BAE Systems (Reston, VA)
    …war figther while leading a team of support engineers. You will make impacts as a Principal Lead Cyber Security Engineer in the following ways: + Decompose ... Security Products (CSP) portfolio. Your Role: As a Principal Lead Cyber Engineer, you'll be responsible...You'll work closely with cross-functional teams to ensure the security of our products and systems for… more
    BAE Systems (04/30/25)
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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 Software Systems Engineer

    Parsons Corporation (Herndon, VA)
    …**Job Description:** **Job Description:** Parsons is looking for an amazingly talented ** Principal ** **Software Systems Engineer** to join our team! This ... 75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services… more
    Parsons Corporation (05/08/25)
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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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  • Principal Elasticsearch Systems

    Leidos (Reston, VA)
    …**Leidos** has a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National Security !** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an Agile team in… more
    Leidos (04/19/25)
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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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  • Senior/ Principal Software Engineer - CTJ…

    Microsoft Corporation (Reston, VA)
    …Would you like to be part of one of the world's most advanced cyber - security solutions and protect millions of computers from thousands of active attack ... Security represents the most critical priorities for our...platform development. We're looking to recruit both **Senior and/or Principal Software Engineer.** You will help conduct business reviews… more
    Microsoft Corporation (06/27/25)
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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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