• Principal Cyber Software Engineer

    Northrop Grumman (Mclean, VA)
    …security architectures, and secure coding best practices + Hands-on experience with Linux /Unix operating systems and managing security policies (eg, SELinux or ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,... has an opening for a Principal Cyber Software Engineer . We are looking for you to join our… more
    Northrop Grumman (10/26/25)
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  • Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    …on-premises and cloud-based cybersecurity infrastructure and applications running on Windows and Linux operating systems + Engineer and implement ... Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time...compute, storage, and transport. + Expertise in Windows and Linux server operating systems . + Excellent writing… more
    CACI International (11/14/25)
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  • Senior RHEL Engineer

    CACI International (VA)
    …* * * **The Opportunity:** CACI is seeking senior level **Red Hat Enterprise Linux (RHEL) Engineer ** to lead RHEL and Satellite Engineering efforts supporting ... Senior RHEL Engineer Job Category: Information Technology Time Type: Full...and compliance across hybrid RHEL 8 and RHEL 9 systems + Collaborate with cross-functional teams to define host… more
    CACI International (10/29/25)
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  • DevSecOps Engineer

    KBR (Chantilly, VA)
    Title: DevSecOps Engineer KBR is seeking a highly motivated Development Security Operations Engineer (DevSecOps) to join our team. The successful candidate will ... center operations, and security protocols. + Strong knowledge of Linux and Windows OS + Familiar with AWS and...DoD Authority to Operate (ATO) processes + 8570 IAT II compliant certification such as Security+ + Certified Information… more
    KBR (10/28/25)
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  • Network Engineer , TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …Infrastructure and Operations **Skills:** Data Networking,Local Area Network (LAN),Network Systems **Experience:** 10 + years of related experience **US Citizenship ... **Job Description:** Transform technology into opportunity as a **Network Engineer ** with GDIT. A career in enterprise IT means...career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at… more
    General Dynamics Information Technology (11/15/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate will be ... not limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an active **TS/SCI… more
    Northrop Grumman (10/02/25)
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  • Cybersecurity Engineer I

    TekSynap (Virginia Beach, VA)
    …+ Applying patches and resolving vulnerabilities on Linux and Windows operating systems . **Overview** We are seeking a Cybersecurity Engineer I to join our ... & Qualifications** **RESPONSIBILITIES** + Support the system hardening of DoD systems through secure configuration and implementation of best practices. + Apply… more
    TekSynap (10/01/25)
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  • High Speed Guard Engineer

    CACI International (Springfield, VA)
    …developing systems , products, and/or processes based on a total systems perspective.** **Experience with Linux operating systems ; understanding ... High Speed Guard Engineer Job Category: Information Technology Time Type: Full...of applicable experience** **DoD Information Assurance Technical (IAT) Level II certification** **Experience with EverFox High Speed Guards** **_Desired:_**… more
    CACI International (09/01/25)
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  • Sr. Software Engineer

    Leidos (Arlington, VA)
    …seeking a **Sr.** **Software Engineer ** in support of the Defense Information Systems Agency GSMO- II Program. The selected candidate will be a key member ... start date. + Ability to obtain Security+ certification or equivalent DoD 8570 IAT II certification prior to start date. + Must possess one of the following… more
    Leidos (11/09/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …Information and Event Management (SIEM) platforms, and/or Splunk + Knowledge of Linux systems administration, general operating system security practices, TCP/IP ... a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in the **Chantilly, VA.**...of DoD policy and technical security guidance to information systems + DoD Directive 8570.1 IAT Level II more
    ManTech (10/24/25)
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