• Security Software Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of ... work and will be performed in Dahlgren, Virginia. The Security Software Engineer will be...following: 1. Penetration Testing (PENTEST) (government or contractor) 2. Red Team Operations (government or contractor) 3. Tool/ Software more
    Imagine One Technology & Management (09/24/25)
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  • Senior Network & Systems Engineer (Data…

    Red River (Washington, DC)
    Red River Technology is actively seeking a dedicated and highly skilled Senior Network & Systems Engineer with deep expertise in Cisco ACI, virtualization ... recovery strategies using Nutanix and VMware toolsets. + System Operations and Security + Maintain high availability and performance baselines across all data center… more
    Red River (10/16/25)
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  • Network Engineer - Decentralized Services…

    Red Gate Group (Arlington, VA)
    …part of an organization that values both service excellence and employee wellbeing. The Red Gate Group is seeking a Network Engineer to provide on-site support ... The Red Gate Group, founded in 2006, is a...Country and Client," reflects our deep commitment to national security and service excellence. As an employer of choice,… more
    Red Gate Group (11/22/25)
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  • Network Engineer - Variable Trust Endpoints

    Red Gate Group (Arlington, VA)
    …enterprise systems + First-hand experience with research and/or development of secure platforms, security software for endpoints, and information security ... The Red Gate Group, founded in 2006, is a...Country and Client," reflects our deep commitment to national security and service excellence. As an employer of choice,… more
    Red Gate Group (11/22/25)
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  • Software Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** SOFTWARE ENGINEER Transform technology into opportunity as a Software ... engineering career. MEANINGFUL WORK AND PERSONAL IMPACT As a Software Engineer , the work you'll do at...integration. * Technical skills: Java, Spring, and XML * Security clearance level: Secret * US citizenship required *… more
    General Dynamics Information Technology (11/25/25)
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  • Integration and Test Software

    CACI International (Fairfax, VA)
    Integration and Test Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... is currently looking for a Senior Integration and Test Software Engineer to join our team developing...safeguarding the American people and enhancing the Nation's safety, security , and prosperity. Our warfighters are on the front… more
    CACI International (09/17/25)
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  • Software Engineer /Systems…

    Cinteot (Springfield, VA)
    Software Engineer / Systems Administrator (location: Springfield, VA) The selected individual will be responsible to support the Framework Services / Platform ... and Security scrum team, performing operations / maintenance of program Window systems software and associated applications. Team members must be able to… more
    Cinteot (11/06/25)
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  • Software Engineer - Level 5

    Northrop Grumman (Fairfax, VA)
    …with REST architecture + Experience as a full-stack developer + Experience with software development on Red Hat Enterprise Linux + Experience with Atlassian ... your pioneering spirit to our collaborative teams. This _Software Engineer - Level 5_ role will be in either...will:** + Design, develop, document, test and debug applications software and systems that contain logical and mathematical solutions.… more
    Northrop Grumman (09/25/25)
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  • Staff Software Engineer , Backend…

    Coinbase (Washington, DC)
    …is the most important builder platform since the internet ("online"). As a Staff Software Engineer on this team, you'll be instrumental in designing, building, ... (ie. job requirements): * You have 8+ years of software engineering experience. * You are passionate about enabling...or other crypto tools. * An interest in blockchain security , red -teaming, and exploit prevention. *Answers to… more
    Coinbase (11/07/25)
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  • Senior Security Engineer

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Senior Security Engineer for a new customer on a highly-visible and strategic Cybersecurity Task Order. The ... Senior Security Engineer will need to be a...tasks and the extraction of logs + Hardware and software installations, upgrades, maintenance, security analysis and… more
    Leidos (12/12/25)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider ... prior employers + 3 years of experience performing offensive security activities such as red teaming, penetration...of total experience in a technical role such as security , networking, systems, or software development +… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Senior Principal Offensive Security

    Oracle (Washington, DC)
    **Job Description** Job Description **Offensive Security Engineer ** Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security ... vulnerability research, static and dynamic analysis research, penetration testing, red -teaming, and security tool development. We ensure...and security tool development. We ensure the security of the software and hardware that… more
    Oracle (11/25/25)
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  • AI Security Engineer , Lead

    Deloitte (Arlington, VA)
    …Information Systems Security Professional (CISSP) + Certified SAFe(R) Agile Software Engineer + Certified SAFe(R) Agilist + Certified SAFe(R) DevOps ... value. Work you'll do As a Deloitte Lead AI Security Engineer , you will be crucial in...attacks (adversarial, prompt injection, data leakage) + Conduct AI-focused security assessments, penetration tests, red /purple team exercises… more
    Deloitte (10/22/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …Qualifications: + 7 or more years experience implementing and maintaining Cyber Security technologies on a multi-platform (Windows, Red Hat, etc.) ... are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI clearance - with the...Used: + Implementation & Maintenance and maintaining of Cyber Security technologies on a multi-platform (Windows, Red more
    V2X (12/12/25)
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  • Principal Systems Engineer - active TS/SCI…

    V2X (Suitland, MD)
    …battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our ... respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our government customer based… more
    V2X (11/15/25)
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  • Virtual Infrastructure Engineer - Advanced…

    IDS International (Arlington, VA)
    …information warfare. SITE 525 is seeking a highly skilled Cyber Virtualization Engineer to support the development and sustainment of advanced cyber training ... OT domains. These environments are used for cyber mission rehearsals, red /blue/gray team operations, and full-spectrum cybersecurity exercises. Must be willing to… more
    IDS International (10/31/25)
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  • Cloud Engineer

    Nightwing (Arlington, VA)
    …and assist with the restoration of services. Nightwing is seeking an experienced Cloud Engineer with strong Red Hat Enterprise Linux (RHEL) experience to join ... - Automate provisioning and configuration using tools such as Ansible, Terraform, or Red Hat Satellite - Collaborate with security teams to ensure compliance… more
    Nightwing (11/26/25)
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  • IDS / IPS Engineer - Active TS/SCI with CI…

    ENS Solutions (Washington, DC)
    …core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project ... We are seeking an experienced Network Intrusion Detection Engineer to join our cybersecurity team. The ideal...within a complex enterprise IT environment, primarily running on Red Hat Enterprise Linux. What You'll Work On: +… more
    ENS Solutions (12/14/25)
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  • Suricata Engineer - Active TS/SCI with CI…

    ENS Solutions (Washington, DC)
    …core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project ... We are seeking an experienced Suricata Engineer to join our cybersecurity team. The ideal...within a complex enterprise IT environment, primarily running on Red Hat Enterprise Linux. A key focus of this… more
    ENS Solutions (11/26/25)
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  • Senior Submarine Structural Engineer

    Serco (Washington, DC)
    …be working onsite at our Washington, DC office** As the Submarine Structural Engineer , you will be on a dynamic team providing technical and programmatic support ... support five of the six Navy core maritime capabilities: Deterrence, Maritime Security , Sea Control, Forward Presence, and Power Projection. Serco-NA is seeking a… more
    Serco (12/05/25)
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